Analysis
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max time kernel
109s -
max time network
130s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
07-12-2021 10:50
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
Invoice.exe
Resource
win10-en-20211014
General
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Target
Invoice.exe
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Size
911KB
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MD5
0bc78923cd459f32b22143e218d36f9e
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SHA1
6277fdb6265e0910fc8ff723b1cc117d5c3a77c1
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SHA256
38cf5f384013f4abee761fc5f076afbf41a44fc270d1fe2c4340dc0d1fa43e4e
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SHA512
325fbcaeba29408a80cb45b28baaf0ffc021e789807c42d2c928ffa4e9e5598f8977e1d3df3e6af4e6fe0328cca4a786fd1e94a38d103c58df2c7bb199ba1020
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.agc.com.sa - Port:
587 - Username:
vijayakumar.singh@agc.com.sa - Password:
admin@admin$$
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 22 checkip.dyndns.org 24 freegeoip.app 25 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Invoice.exedescription pid process target process PID 3468 set thread context of 1248 3468 Invoice.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Invoice.exeRegSvcs.exepid process 3468 Invoice.exe 3468 Invoice.exe 3468 Invoice.exe 3468 Invoice.exe 1248 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Invoice.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3468 Invoice.exe Token: SeDebugPrivilege 1248 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
Invoice.exedescription pid process target process PID 3468 wrote to memory of 1900 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1900 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1900 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 3348 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 3348 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 3348 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1248 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1248 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1248 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1248 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1248 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1248 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1248 3468 Invoice.exe RegSvcs.exe PID 3468 wrote to memory of 1248 3468 Invoice.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1248-125-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1248-132-0x0000000005F70000-0x0000000005F71000-memory.dmpFilesize
4KB
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memory/1248-131-0x0000000004DA0000-0x000000000529E000-memory.dmpFilesize
5.0MB
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memory/1248-126-0x000000000042044E-mapping.dmp
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memory/3468-119-0x00000000052E0000-0x00000000057DE000-memory.dmpFilesize
5.0MB
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memory/3468-121-0x00000000054D0000-0x00000000054D5000-memory.dmpFilesize
20KB
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memory/3468-122-0x0000000005DE0000-0x0000000005DE1000-memory.dmpFilesize
4KB
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memory/3468-123-0x0000000006150000-0x0000000006151000-memory.dmpFilesize
4KB
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memory/3468-124-0x00000000063E0000-0x00000000064EA000-memory.dmpFilesize
1.0MB
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memory/3468-120-0x0000000005370000-0x0000000005371000-memory.dmpFilesize
4KB
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memory/3468-115-0x0000000000930000-0x0000000000931000-memory.dmpFilesize
4KB
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memory/3468-118-0x0000000005390000-0x0000000005391000-memory.dmpFilesize
4KB
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memory/3468-117-0x00000000057E0000-0x00000000057E1000-memory.dmpFilesize
4KB