Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
29-09-2023 07:05
Static task
static1
Behavioral task
behavioral1
Sample
AWB 5331810761.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
AWB 5331810761.exe
Resource
win10v2004-20230915-en
General
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Target
AWB 5331810761.exe
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Size
608KB
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MD5
c059b627b34942fdb9963290d3bf54d9
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SHA1
98f45995e4891fd10a7229d89ac966be044cf8ae
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SHA256
b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb
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SHA512
553b32c382a2070a76bbb587a243285c9cc8b26dbc0428a035a1cc1d3d622cb47497952ca3c5f53c179972cfba86996140a52668ceb67a5bdf3a9b619a0722c3
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SSDEEP
12288:2sXs/PP5KypE/pjWsuaTvWotigoTaqb06yyOi6J:2sc/XEypE/pjvuaTOotLoTJbbOi8
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6493157304:AAGHAAmVG_ud-GzRlE5SfjpNm92V1vbaysI/sendMessage?chat_id=6518133154
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3052-20-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
AWB 5331810761.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation AWB 5331810761.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
AWB 5331810761.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 58 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
AWB 5331810761.exedescription pid process target process PID 4936 set thread context of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
AWB 5331810761.exepid process 3052 AWB 5331810761.exe 3052 AWB 5331810761.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
AWB 5331810761.exedescription pid process Token: SeDebugPrivilege 3052 AWB 5331810761.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
AWB 5331810761.exedescription pid process target process PID 4936 wrote to memory of 3900 4936 AWB 5331810761.exe schtasks.exe PID 4936 wrote to memory of 3900 4936 AWB 5331810761.exe schtasks.exe PID 4936 wrote to memory of 3900 4936 AWB 5331810761.exe schtasks.exe PID 4936 wrote to memory of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe PID 4936 wrote to memory of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe PID 4936 wrote to memory of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe PID 4936 wrote to memory of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe PID 4936 wrote to memory of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe PID 4936 wrote to memory of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe PID 4936 wrote to memory of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe PID 4936 wrote to memory of 3052 4936 AWB 5331810761.exe AWB 5331810761.exe -
outlook_office_path 1 IoCs
Processes:
AWB 5331810761.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761.exe -
outlook_win_path 1 IoCs
Processes:
AWB 5331810761.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AWB 5331810761.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AWB 5331810761.exe"C:\Users\Admin\AppData\Local\Temp\AWB 5331810761.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uxkwHpZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp176B.tmp"2⤵
- Creates scheduled task(s)
PID:3900 -
C:\Users\Admin\AppData\Local\Temp\AWB 5331810761.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3052
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD52c1ecd199be1558b0c14c81b4610dcc4
SHA1d8fc8a1d2d386f73aea18ff9b9275146c8cb0be5
SHA256f36ab7d534723c37aecc53a20673ab73efa32301332c11c3cb73fdaa5918e331
SHA5127bec258d0ed8f2a254c7cba8952669bf8352dc8cf373fe92374ab03b0adf1bb5e6b9d3c95273b3abf61e41867ad499ee613dfd38797fc97b3ec6d7ab4d2d9bb3
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Filesize
1KB
MD53b8022f798c177f065f4c3edb78dc9af
SHA1c35f815128e362f4be05218d8f8eca9b1d42378a
SHA2569b8b2099a71688f1d69362da549d561e8ac42c0f65b65ed3685928b61ace84c2
SHA5124361358e921b1590fe526ddf2f9b365cceffa3c71b17f044deb29accfa8231918ecf22006cb085cb34cb8451f4ead7ae61a0cfea5af0a062c76368ab6e0f1f5b