| File name: | nat.exe |
| Full analysis: | https://app.any.run/tasks/bbf46ab2-dd32-4094-877a-bbc1e3e5c55c |
| 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: | February 25, 2019, 20:06:25 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 2E08DDBA6B2FBD66F41F856C0722CF64 |
| SHA1: | 6B04954113CC20F8FB2902289B5E13612D204A67 |
| SHA256: | F335A775985B868E41038AE0483201A501FDAEC6F36A8B58B038FA2CA58BDE71 |
| SSDEEP: | 12288:cyAlhMLnCTPe/m3IpGKrRuwT+zq2+i7R6nc:cyAlhMLnVpbrRLT+zq2+cEc |
MALICIOUS
FORMBOOK was detected
- explorer.exe (PID: 284)
Stealing of credential data
- cmd.exe (PID: 1856)
- wscript.exe (PID: 2276)
Changes the autorun value in the registry
- wscript.exe (PID: 2276)
Actions looks like stealing of personal data
- wscript.exe (PID: 2276)
Formbook was detected
- wscript.exe (PID: 2276)
- Firefox.exe (PID: 3104)
Connects to CnC server
- explorer.exe (PID: 284)
Loads dropped or rewritten executable
- wscript.exe (PID: 2276)
Runs app for hidden code execution
- explorer.exe (PID: 284)
SUSPICIOUS
Creates files in the user directory
- wscript.exe (PID: 2276)
Executes scripts
- explorer.exe (PID: 284)
Application launched itself
- nat.exe (PID: 2968)
- colorcplcnltqr88.exe (PID: 3064)
Starts CMD.EXE for commands execution
- wscript.exe (PID: 2276)
- explorer.exe (PID: 284)
Executable content was dropped or overwritten
- explorer.exe (PID: 284)
- DllHost.exe (PID: 2556)
- wscript.exe (PID: 2276)
Loads DLL from Mozilla Firefox
- wscript.exe (PID: 2276)
Creates files in the program directory
- DllHost.exe (PID: 2556)
INFO
Creates files in the user directory
- Firefox.exe (PID: 3104)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Microsoft Visual Basic 6 (84.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (6.7) |
| .exe | | | Win32 Executable (generic) (4.6) |
| .exe | | | Generic Win/DOS Executable (2) |
| .exe | | | DOS Executable Generic (2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2008:02:13 23:53:48+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 483328 |
| InitializedDataSize: | 12288 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x104c |
| OSVersion: | 4 |
| ImageVersion: | 1.5 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.5.0.7 |
| ProductVersionNumber: | 1.5.0.7 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| Comments: | orient0 |
| ProductName: | chiengrai8 |
| FileVersion: | 1.05.0007 |
| ProductVersion: | 1.05.0007 |
| InternalName: | Jahveh7 |
| OriginalFileName: | Jahveh7.exe |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 13-Feb-2008 22:53:48 |
| Detected languages: |
|
| Comments: | orient0 |
| ProductName: | chiengrai8 |
| FileVersion: | 1.05.0007 |
| ProductVersion: | 1.05.0007 |
| InternalName: | Jahveh7 |
| OriginalFilename: | Jahveh7.exe |
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: | 0x000000B0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 13-Feb-2008 22:53:48 |
| 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 | 0x00001000 | 0x00075CB8 | 0x00076000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.59554 |
.data | 0x00077000 | 0x000009E8 | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00078000 | 0x000011C4 | 0x00002000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.51288 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.26843 | 536 | Unicode (UTF 16LE) | English - United States | RT_VERSION |
30001 | 4.03106 | 3752 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
Imports
MSVBVM60.DLL |
Total processes
43
Monitored processes
11
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 284 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1856 | /c copy "C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\admin\AppData\Local\Temp\DB1" /V | C:\Windows\System32\cmd.exe | wscript.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) Modules
| |||||||||||||||
| 2104 | C:\Program Files\Cudf8\colorcplcnltqr88.exe" | C:\Program Files\Cudf8\colorcplcnltqr88.exe | — | colorcplcnltqr88.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.05.0007 Modules
| |||||||||||||||
| 2276 | "C:\Windows\System32\wscript.exe" | C:\Windows\System32\wscript.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.8.7600.16385 Modules
| |||||||||||||||
| 2556 | C:\Windows\system32\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09} | C:\Windows\system32\DllHost.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2720 | /c del "C:\Users\admin\AppData\Roaming\nat.exe" | C:\Windows\System32\cmd.exe | — | wscript.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) Modules
| |||||||||||||||
| 2968 | "C:\Users\admin\AppData\Roaming\nat.exe" | C:\Users\admin\AppData\Roaming\nat.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.05.0007 Modules
| |||||||||||||||
| 3064 | "C:\Program Files\Cudf8\colorcplcnltqr88.exe" | C:\Program Files\Cudf8\colorcplcnltqr88.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.05.0007 Modules
| |||||||||||||||
| 3104 | "C:\Program Files\Mozilla Firefox\Firefox.exe" | C:\Program Files\Mozilla Firefox\Firefox.exe | wscript.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 61.0.2 Modules
| |||||||||||||||
| 3136 | "C:\Windows\System32\cmd.exe" | C:\Windows\System32\cmd.exe | — | explorer.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) Modules
| |||||||||||||||
Total events
440
Read events
434
Write events
6
Delete events
0
Modification events
| (PID) Process: | (2276) wscript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | 8PC8RZIX |
Value: C:\Program Files\Cudf8\colorcplcnltqr88.exe | |||
| (PID) Process: | (2276) wscript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2276) wscript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2276) wscript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories\{56FFCC30-D398-11D0-B2AE-00A0C908FA49}\Enum |
| Operation: | write | Name: | Implementing |
Value: 1C00000001000000E3070200010019001400090025000E0000000000 | |||
Executable files
3
Suspicious files
81
Text files
1
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2276 | wscript.exe | C:\Users\admin\AppData\Roaming\5M21T3AE\5M2logrc.ini | binary | |
MD5:— | SHA256:— | |||
| 2276 | wscript.exe | C:\Users\admin\AppData\Roaming\5M21T3AE\5M2logim.jpeg | image | |
MD5:— | SHA256:— | |||
| 2968 | nat.exe | C:\Users\admin\AppData\Local\Temp\~DFC2C75A3912BB45AB.TMP | binary | |
MD5:— | SHA256:— | |||
| 2276 | wscript.exe | C:\Users\admin\AppData\Roaming\5M21T3AE\5M2logri.ini | binary | |
MD5:D63A82E5D81E02E399090AF26DB0B9CB | SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE | |||
| 3064 | colorcplcnltqr88.exe | C:\Users\admin\AppData\Local\Temp\~DF25A837252981F2EC.TMP | binary | |
MD5:— | SHA256:— | |||
| 284 | explorer.exe | C:\Users\admin\AppData\Local\Temp\Cudf8\colorcplcnltqr88.exe | executable | |
MD5:— | SHA256:— | |||
| 3104 | Firefox.exe | C:\Users\admin\AppData\Roaming\5M21T3AE\5M2logrf.ini | binary | |
MD5:— | SHA256:— | |||
| 2556 | DllHost.exe | C:\Program Files\Cudf8\colorcplcnltqr88.exe | executable | |
MD5:— | SHA256:— | |||
| 2276 | wscript.exe | C:\Users\admin\AppData\Local\Temp\itd0gz9.zip | compressed | |
MD5:— | SHA256:— | |||
| 2276 | wscript.exe | C:\Users\admin\AppData\Roaming\5M21T3AE\5M2logrg.ini | binary | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
29
TCP/UDP connections
30
DNS requests
9
Threats
47
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
284 | explorer.exe | GET | 302 | 50.16.228.47:80 | http://www.rbcgamevents.com/na/?kfJHN4=2eHKWdsBsoUOPUlBaK6QlevOX5owOPkw0GCGTzG1K7NUIHWRXH+wNzU1ZgvWN3SO0U0CIA==&UBc=ybRLTJcPZdnx2P | US | — | — | malicious |
284 | explorer.exe | GET | 302 | 62.4.11.27:80 | http://www.cristinibevande.com/na/?kfJHN4=1rnMADOjMLw+hBu1cxocmX6+UKPVPbAz2fYvcqLwuEtaxTJ+VafVX6nw9kFnX8beQhNo9Q==&UBc=ybRLTJcPZdnx2P | FR | — | — | malicious |
284 | explorer.exe | GET | 200 | 198.187.30.209:80 | http://www.elimatewd.com/na/?kfJHN4=UYnufu9r6AS5d5CjQDw3iI3YauAA+zenqiEeFCowxo915uVpVgvqByx4JvkyqGknNyOyoA==&UBc=ybRLTJcPZdnx2P&sql=1 | US | binary | 323 Kb | malicious |
284 | explorer.exe | POST | — | 198.187.30.209:80 | http://www.elimatewd.com/na/ | US | — | — | malicious |
284 | explorer.exe | GET | — | 49.212.198.98:80 | http://www.emicoco-act.com/na/?kfJHN4=D82k+BEsqja/YO0YhOlUuq6ModJ7w5usPbvDiIhab3kQQgtiLznCMaWcwvnJZ2M3izRrOg==&UBc=ybRLTJcPZdnx2P | JP | — | — | malicious |
284 | explorer.exe | POST | — | 62.4.11.27:80 | http://www.cristinibevande.com/na/ | FR | — | — | malicious |
284 | explorer.exe | POST | — | 198.187.30.209:80 | http://www.elimatewd.com/na/ | US | — | — | malicious |
284 | explorer.exe | POST | — | 62.4.11.27:80 | http://www.cristinibevande.com/na/ | FR | — | — | malicious |
284 | explorer.exe | POST | — | 198.187.30.209:80 | http://www.elimatewd.com/na/ | US | — | — | malicious |
284 | explorer.exe | POST | — | 62.4.11.27:80 | http://www.cristinibevande.com/na/ | FR | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
284 | explorer.exe | 49.212.198.98:80 | www.emicoco-act.com | SAKURA Internet Inc. | JP | malicious |
284 | explorer.exe | 50.16.228.47:80 | www.rbcgamevents.com | Amazon.com, Inc. | US | malicious |
284 | explorer.exe | 50.63.202.53:80 | www.home-services-ads.info | GoDaddy.com, LLC | US | malicious |
284 | explorer.exe | 104.27.162.143:80 | www.oneending.com | Cloudflare Inc | US | shared |
284 | explorer.exe | 198.187.30.209:80 | www.elimatewd.com | Namecheap, Inc. | US | malicious |
284 | explorer.exe | 62.4.11.27:80 | www.cristinibevande.com | Online S.a.s. | FR | malicious |
284 | explorer.exe | 107.187.158.124:80 | www.czxiaochicheng.com | EGIHosting | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.chaindc.com |
| unknown |
www.czxiaochicheng.com |
| unknown |
www.elimatewd.com |
| malicious |
www.cristinibevande.com |
| malicious |
www.emicoco-act.com |
| malicious |
www.rbcgamevents.com |
| malicious |
www.home-services-ads.info |
| malicious |
www.trybrain.online |
| unknown |
www.oneending.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (POST) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (POST) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
284 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
18 ETPRO signatures available at the full report