| File name: | dekont.pdf.exe |
| Full analysis: | https://app.any.run/tasks/aef44063-cb9f-4ba7-a351-2e3ea19c46dd |
| Verdict: | Malicious activity |
| Threats: | FormBook is a data stealer that is being distributed as a MaaS. FormBook differs from a lot of competing malware by its extreme ease of use that allows even the unexperienced threat actors to use FormBook virus. |
| Analysis date: | March 25, 2025, 06:57:18 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | C7C545BDD0BA6ABA5DC454DF13B928E4 |
| SHA1: | 616F2FB37D07CF17C69326FCEF5C91005F5B13A0 |
| SHA256: | 3FBCEC3B7E1D2B8EFEF9E2AB1BE54A55E2252166CD357FC2EE9CB42581851365 |
| SSDEEP: | 24576:iZI/a8TemkRa6mvZyi/9d76/e3QLmfC7JmOGoMKMQYi/0PiFRW3EZEYv:iZI/a8Tem2a6mvZyi/9d76/e3QLmfC7t |
MALICIOUS
FORMBOOK has been detected (YARA)
- WWAHost.exe (PID: 8004)
FORMBOOK has been detected
- WWAHost.exe (PID: 8004)
SUSPICIOUS
Starts a Microsoft application from unusual location
- dekont.pdf.exe (PID: 7284)
- dekont.pdf.exe (PID: 7668)
Process drops legitimate windows executable
- dekont.pdf.exe (PID: 7284)
Application launched itself
- dekont.pdf.exe (PID: 7284)
Starts CMD.EXE for commands execution
- WWAHost.exe (PID: 8004)
INFO
Checks supported languages
- dekont.pdf.exe (PID: 7284)
- dekont.pdf.exe (PID: 7668)
Reads the computer name
- dekont.pdf.exe (PID: 7284)
- dekont.pdf.exe (PID: 7668)
Reads the machine GUID from the registry
- dekont.pdf.exe (PID: 7284)
Reads security settings of Internet Explorer
- BackgroundTransferHost.exe (PID: 1276)
- BackgroundTransferHost.exe (PID: 6728)
- BackgroundTransferHost.exe (PID: 5024)
- BackgroundTransferHost.exe (PID: 7724)
- BackgroundTransferHost.exe (PID: 4696)
Checks proxy server information
- BackgroundTransferHost.exe (PID: 6728)
Reads the software policy settings
- BackgroundTransferHost.exe (PID: 6728)
Creates files or folders in the user directory
- BackgroundTransferHost.exe (PID: 6728)
Manual execution by a user
- WWAHost.exe (PID: 8004)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Formbook
(PID) Process(8004) WWAHost.exe
C2www.lectro-hub.online/m13o/
Strings (79)USERNAME
LOCALAPPDATA
USERPROFILE
APPDATA
TEMP
ProgramFiles
CommonProgramFiles
ALLUSERSPROFILE
/c copy "
/c del "
\Run
\Policies
\Explorer
\Registry\User
\Registry\Machine
\SOFTWARE\Microsoft\Windows\CurrentVersion
Office\15.0\Outlook\Profiles\Outlook\
NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\
\SOFTWARE\Mozilla\Mozilla
\Mozilla
Username:
Password:
formSubmitURL
usernameField
encryptedUsername
encryptedPassword
\logins.json
\signons.sqlite
\Microsoft\Vault\
SELECT encryptedUsername, encryptedPassword, formSubmitURL FROM moz_logins
\Google\Chrome\User Data\Default\Login Data
SELECT origin_url, username_value, password_value FROM logins
.exe
.com
.scr
.pif
.cmd
.bat
ms
win
gdi
mfc
vga
igfx
user
help
config
update
regsvc
chkdsk
systray
audiodg
certmgr
autochk
taskhost
colorcpl
services
IconCache
ThumbCache
Cookies
SeDebugPrivilege
SeShutdownPrivilege
\BaseNamedObjects
config.php
POST
HTTP/1.1
Host:
Connection: close
Content-Length:
Cache-Control: no-cache
Origin: http://
User-Agent: Mozilla Firefox/4.0
Content-Type: application/x-www-form-urlencoded
Accept: */*
Referer: http://
Accept-Language: en-US
Accept-Encoding: gzip, deflate
dat=
f-start
f-end
Decoy C2 (64)un20250227-23.fun
mallelectricarsgb.bond
emvmaasbn.pro
ewaraja.xyz
olar-systems-panels-18238.bond
anjau2.cfd
ental-implants-58831.bond
riferrari.shop
ypham-japan.shop
imilarityapi.xyz
ealthywayzone.online
r33bz.online
ureformula.shop
arlsjrmenu.net
ziugsyw.xyz
osmetic-packaging-jobs.click
uaizhan.xyz
99game.xyz
otdrones.shop
rettvollmar.shop
uslim-dating-iocc5xdbns61.today
nomy.app
egreen.green
elegelhg.watch
twuytr.online
ishwasher-jobs-678341.today
imorraes.shop
88p2p.xyz
viddeos.red
iverlakes.online
yroisland.net
hufi.pink
egalregistration.net
rice-artificial-886827482.click
ailyhotdealstoday.world
adenauno1240.online
verythingchat.xyz
ushgroup.info
crypt.xyz
bjcwedding.xyz
arlist.app
owbest.click
partmentflatart.xyz
yperfakeverse.xyz
etafusion.tech
railers.info
onstruction-jobs-92972.bond
evala.online
ngin.live
peekr.app
awspro4d.net
3-nine.net
nifiedway.sbs
aceseek.online
ompresormx1.today
ipsexshop.shop
zit.world
rendvault.fashion
italbitez.info
ertifiedfasting.info
eliverynacional.online
ainiceria.pro
ealdirectiveteam.info
lberche.info
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (82.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.4) |
| .exe | | | Win32 Executable (generic) (5.1) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2068:08:07 00:26:41+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 640512 |
| InitializedDataSize: | 2560 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x9e562 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Compatibility Database |
| FileVersion: | 1.0.0.0 |
| InternalName: | xpNF.exe |
| LegalCopyright: | Copyright © Microsoft Corporation. All rights reserved. |
| LegalTrademarks: | - |
| OriginalFileName: | xpNF.exe |
| ProductName: | Compatibility Database |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
149
Monitored processes
13
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1276 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4696 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5024 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6728 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7284 | "C:\Users\admin\AppData\Local\Temp\dekont.pdf.exe" | C:\Users\admin\AppData\Local\Temp\dekont.pdf.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Compatibility Database Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 7424 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7456 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7636 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7668 | "C:\Users\admin\AppData\Local\Temp\dekont.pdf.exe" | C:\Users\admin\AppData\Local\Temp\dekont.pdf.exe | — | dekont.pdf.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Compatibility Database Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 7724 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
2 284
Read events
2 269
Write events
15
Delete events
0
Modification events
| (PID) Process: | (1276) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (1276) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (1276) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (6728) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (6728) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (6728) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (5024) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (5024) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (5024) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (4696) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
Executable files
0
Suspicious files
5
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6728 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\3cd71f21-2e33-4afd-80e5-62e4ff7dd5e3.down_data | — | |
MD5:— | SHA256:— | |||
| 6728 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\MetaData\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D | binary | |
MD5:21043CF14369F92277674BBD8FF3F44F | SHA256:2006522FECDDC68EBE00CC156ABBEC71D196429C18D6EBB87F96E6B9FE7EBB4C | |||
| 6728 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\3cd71f21-2e33-4afd-80e5-62e4ff7dd5e3.2cc67f9a-69e4-4261-9346-4da0729c7290.down_meta | binary | |
MD5:D568A5CB4F748B3EC1D4B261C090DB38 | SHA256:5C7CFAC8A3EB05F0B47155E6AEE6849DE51E1E8A7A3A3450A067EAC84E7AECC3 | |||
| 6728 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\2c43b6be-463c-4104-89fd-13df1b37beb5.up_meta_secure | binary | |
MD5:FF8D498297E37AA0A7E794C60313137A | SHA256:FAB3C8A29FACD19AAF2E3BDDB6BEA647845420128A148EA71698F4115A133D9F | |||
| 6728 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\Content\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D | binary | |
MD5:4872BABAF39AA62B8D32695EBB7E9173 | SHA256:2EE85DF86EE29BBEB3DCA81AA29B6DE204F605A2769B84C728A329178A2D0999 | |||
| 6728 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\2c43b6be-463c-4104-89fd-13df1b37beb5.2cc67f9a-69e4-4261-9346-4da0729c7290.down_meta | binary | |
MD5:D568A5CB4F748B3EC1D4B261C090DB38 | SHA256:5C7CFAC8A3EB05F0B47155E6AEE6849DE51E1E8A7A3A3450A067EAC84E7AECC3 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
27
DNS requests
20
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.53.40.178:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.53.40.178:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
7580 | backgroundTaskHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
5436 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
5436 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6728 | BackgroundTransferHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 23.53.40.178:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.53.40.178:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 40.126.32.138:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
3216 | svchost.exe | 40.113.110.67:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
arc.msn.com |
| whitelisted |
www.bing.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |