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| File name: | b4c62ab10c3ce2f9c7b5263d36dfa3ab |
| Full analysis: | https://app.any.run/tasks/e6e39296-b7f1-4a5a-af78-af0caf69a0d0 |
| 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: | August 12, 2022, 14:54:41 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | B4C62AB10C3CE2F9C7B5263D36DFA3AB |
| SHA1: | 1B4FD4E7F8A6CBB29D839DCF2E3D6EEE26D659D7 |
| SHA256: | 31E1689F5F0B5E52BCA7BCB63AAA565C4E3239AC16386BEF523365B1FC24F306 |
| SSDEEP: | 12288:Txot3gmitQfv8Bn11M4nfwKhPevlg4BiZfZi+i23v41NW+rrL6g:lSHFH8hnfwuf/41NW+rrGg |
MALICIOUS
FORMBOOK detected by memory dumps
- rundll32.exe (PID: 2672)
FORMBOOK was detected
- Explorer.EXE (PID: 1304)
Connects to CnC server
- Explorer.EXE (PID: 1304)
SUSPICIOUS
Checks supported languages
- b4c62ab10c3ce2f9c7b5263d36dfa3ab.exe (PID: 3048)
- vbc.exe (PID: 2864)
Reads the computer name
- b4c62ab10c3ce2f9c7b5263d36dfa3ab.exe (PID: 3048)
- vbc.exe (PID: 2864)
Reads Environment values
- rundll32.exe (PID: 2672)
INFO
Checks supported languages
- rundll32.exe (PID: 2672)
- cmd.exe (PID: 2984)
Reads the computer name
- rundll32.exe (PID: 2672)
Manual execution by user
- rundll32.exe (PID: 2672)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Formbook
(PID) Process(2672) rundll32.exe
Modules (42)kernel32.dll
advapi32.dll
ws2_32.dll
svchost.exe
msiexec.exe
wuauclt.exe
lsass.exe
wlanext.exe
msg.exe
lsm.exe
dwm.exe
help.exe
chkdsk.exe
cmmon32.exe
nbtstat.exe
spoolsv.exe
rdpclip.exe
control.exe
taskhost.exe
rundll32.exe
systray.exe
audiodg.exe
wininit.exe
services.exe
autochk.exe
autoconv.exe
autofmt.exe
cmstp.exe
colorcpl.exe
cscript.exe
explorer.exe
WWAHost.exe
ipconfig.exe
msdt.exe
mstsc.exe
NAPSTAT.EXE
netsh.exe
NETSTAT.EXE
raserver.exe
wscript.exe
wuapp.exe
cmd.exe
Decoys and strings (143)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
personalrecargas-arg.com
headsetaccessories.xyz
sunriseboutique21.com
ubeafrika.com
shopnyoot.com
driverksa.info
ilikespeedracer.net
akdambakdam.com
bethe1responder.com
gfhd.online
n9bot.site
hstyz.com
buyresellerdomain.com
matoaciganjur.com
mainlineb.com
q385-yogen.net
squamation.top
thebeardedcrow.com
cannaverse.xyz
cracksoftpc.net
hertok.online
mopygames.com
certifiedtechdirect.mobi
kahramanmarasgayrimenkul.com
wormbooklibrary.com
advisernutrition.info
frldsend.space
cavoc.xyz
hinsbrookbank.com
beertime.xyz
dollarvigilante247.com
veriprofessional.online
dresstheblacksheep.com
bunchichi.info
psyiqhpxrjwsmve.com
jelloartisan.com
hbqygl.com
klariondesigns.com
brightmindsahead.community
oliverpeoplesmalaysia.com
bidentist.xyz
ayurvedicyoggram.com
nataliestrachey.club
marktplatz-mannheim.com
newwebsitee.com
97089e.com
nikeboy1001.xyz
americanase.com
webster-sports.com
medivirtus.com
mdyy30.xyz
churchill.beauty
jacdia.com
sdlkrth.xyz
jun88k.net
tjetrainline.com
catscheck.com
lkfs.media
ggbcc.net
ytbwgeerw.space
marketingent.xyz
carollourieri.com
kawakamiph.com
topframelessglass.com
f-end
C2www.rainwaterbotanicals.store/p63n/
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
| AssemblyVersion: | 1.0.0.0 |
|---|---|
| ProductVersion: | 1.0.0.0 |
| ProductName: | Post Service |
| OriginalFileName: | IConstructionCallMess.exe |
| LegalTrademarks: | - |
| LegalCopyright: | Copyright © 2020 |
| InternalName: | IConstructionCallMess.exe |
| FileVersion: | 1.0.0.0 |
| FileDescription: | Post Service |
| CompanyName: | Microsoft |
| Comments: | - |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.0.0.0 |
| FileVersionNumber: | 1.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xe7342 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 1536 |
| CodeSize: | 939008 |
| LinkerVersion: | 48 |
| PEType: | PE32 |
| TimeStamp: | 2081:05:29 01:20:03+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 22-Apr-1945 16:51:47 |
| Comments: | - |
| CompanyName: | Microsoft |
| FileDescription: | Post Service |
| FileVersion: | 1.0.0.0 |
| InternalName: | IConstructionCallMess.exe |
| LegalCopyright: | Copyright © 2020 |
| LegalTrademarks: | - |
| OriginalFilename: | IConstructionCallMess.exe |
| ProductName: | Post Service |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 22-Apr-1945 16:51:47 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x000E5348 | 0x000E5400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.00086 |
.rsrc | 0x000E8000 | 0x000003C8 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.03993 |
.reloc | 0x000EA000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.29364 | 876 | UNKNOWN | UNKNOWN | RT_VERSION |
Imports
mscoree.dll |
Total processes
38
Monitored processes
5
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3048 | "C:\Users\admin\AppData\Local\Temp\b4c62ab10c3ce2f9c7b5263d36dfa3ab.exe" | C:\Users\admin\AppData\Local\Temp\b4c62ab10c3ce2f9c7b5263d36dfa3ab.exe | — | Explorer.EXE |
User: admin Company: Microsoft Integrity Level: MEDIUM Description: Post Service Exit code: 0 Version: 1.0.0.0 | ||||
| 2864 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | — | b4c62ab10c3ce2f9c7b5263d36dfa3ab.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual Basic Command Line Compiler Exit code: 0 Version: 12.0.51209.34209 | ||||
| 2672 | "C:\Windows\System32\rundll32.exe" | C:\Windows\System32\rundll32.exe | Explorer.EXE | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Version: 6.1.7600.16385 (win7_rtm.090713-1255) Formbook(PID) Process(2672) rundll32.exe Modules (42)kernel32.dll advapi32.dll ws2_32.dll svchost.exe msiexec.exe wuauclt.exe lsass.exe wlanext.exe msg.exe lsm.exe dwm.exe help.exe chkdsk.exe cmmon32.exe nbtstat.exe spoolsv.exe rdpclip.exe control.exe taskhost.exe rundll32.exe systray.exe audiodg.exe wininit.exe services.exe autochk.exe autoconv.exe autofmt.exe cmstp.exe colorcpl.exe cscript.exe explorer.exe WWAHost.exe ipconfig.exe msdt.exe mstsc.exe NAPSTAT.EXE netsh.exe NETSTAT.EXE raserver.exe wscript.exe wuapp.exe cmd.exe Decoys and strings (143)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 personalrecargas-arg.com headsetaccessories.xyz sunriseboutique21.com ubeafrika.com shopnyoot.com driverksa.info ilikespeedracer.net akdambakdam.com bethe1responder.com gfhd.online n9bot.site hstyz.com buyresellerdomain.com matoaciganjur.com mainlineb.com q385-yogen.net squamation.top thebeardedcrow.com cannaverse.xyz cracksoftpc.net hertok.online mopygames.com certifiedtechdirect.mobi kahramanmarasgayrimenkul.com wormbooklibrary.com advisernutrition.info frldsend.space cavoc.xyz hinsbrookbank.com beertime.xyz dollarvigilante247.com veriprofessional.online dresstheblacksheep.com bunchichi.info psyiqhpxrjwsmve.com jelloartisan.com hbqygl.com klariondesigns.com brightmindsahead.community oliverpeoplesmalaysia.com bidentist.xyz ayurvedicyoggram.com nataliestrachey.club marktplatz-mannheim.com newwebsitee.com 97089e.com nikeboy1001.xyz americanase.com webster-sports.com medivirtus.com mdyy30.xyz churchill.beauty jacdia.com sdlkrth.xyz jun88k.net tjetrainline.com catscheck.com lkfs.media ggbcc.net ytbwgeerw.space marketingent.xyz carollourieri.com kawakamiph.com topframelessglass.com f-end C2www.rainwaterbotanicals.store/p63n/ | ||||
| 2984 | /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe" | C:\Windows\System32\cmd.exe | — | rundll32.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 1304 | C:\Windows\Explorer.EXE | C:\Windows\Explorer.EXE | — | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
175
Read events
174
Write events
1
Delete events
0
Modification events
| (PID) Process: | (1304) Explorer.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Action Center\Checks\{C8E6F269-B90A-4053-A3BE-499AFCEC98C4}.check.0 |
| Operation: | write | Name: | CheckSetting |
Value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| |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
2
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1304 | Explorer.EXE | GET | 404 | 69.57.161.33:80 | http://www.hertok.online/p63n/?Tj=OGgG71+Bjo4y1VfGAkFgS78X6h7QV7nyz1SXCegfjdDJRJahNFEQyvWnv4qdFKLMUPltrA==&RXo=dncLCv8pALTtIvY | US | html | 279 b | malicious |
1304 | Explorer.EXE | GET | 403 | 34.102.136.180:80 | http://www.topframelessglass.com/p63n/?Tj=5NAXcGWcibdJ9oyzYuqCDkIgWTNiZ7x0difaHkIbYcjVC/RH6Loo8s0cgYQTHK1kcA3miQ==&RXo=dncLCv8pALTtIvY | US | html | 291 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
1304 | Explorer.EXE | 69.57.161.33:80 | www.hertok.online | FortressITX | US | malicious |
1304 | Explorer.EXE | 34.102.136.180:80 | www.topframelessglass.com | — | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.hertok.online |
| malicious |
www.topframelessglass.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1304 | Explorer.EXE | Generic Protocol Command Decode | SURICATA HTTP Unexpected Request body |
1304 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |
1304 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |
1304 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |
1304 | Explorer.EXE | Generic Protocol Command Decode | SURICATA HTTP Unexpected Request body |
1304 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |
1304 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |
1304 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |