Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2024 22:12
Static task
static1
Behavioral task
behavioral1
Sample
91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe
Resource
win10v2004-20241007-en
General
-
Target
91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe
-
Size
654KB
-
MD5
ace7321f101fddbc56f6b8a1754c6480
-
SHA1
d9d534d2ae693ef58f45cd1c8925639408839fbe
-
SHA256
91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b
-
SHA512
55fe40c3fb6e884086267370c928af043a4bcdbe6c75e9c879351458e8940299ff1abf0fe54421a3c2c44a0bb30a54979990fdd284a00b1ace501011a6a59dd2
-
SSDEEP
12288:DW0TFYJW0Qya7OsO1Bq2G4qNQScuH8Vv8NhSAQkSHAC8GxLuyNJwF1:D7YJW0Qya7DO/qLNQ7r8NYAQNACRw
Malware Config
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/428-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2816 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.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.
flow ioc 29 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2304 set thread context of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language choice.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 428 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 2816 powershell.exe 2816 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe Token: SeDebugPrivilege 428 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe Token: SeDebugPrivilege 2816 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2304 wrote to memory of 2816 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 101 PID 2304 wrote to memory of 2816 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 101 PID 2304 wrote to memory of 2816 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 101 PID 2304 wrote to memory of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 PID 2304 wrote to memory of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 PID 2304 wrote to memory of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 PID 2304 wrote to memory of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 PID 2304 wrote to memory of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 PID 2304 wrote to memory of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 PID 2304 wrote to memory of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 PID 2304 wrote to memory of 428 2304 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 103 PID 428 wrote to memory of 4900 428 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 105 PID 428 wrote to memory of 4900 428 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 105 PID 428 wrote to memory of 4900 428 91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe 105 PID 4900 wrote to memory of 1720 4900 cmd.exe 107 PID 4900 wrote to memory of 1720 4900 cmd.exe 107 PID 4900 wrote to memory of 1720 4900 cmd.exe 107
Processes
-
C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2816
-
-
C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:428 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
- System Location Discovery: System Language Discovery
PID:1720
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\91b20cd419833222c4bfdf40ac9126f0519e799f0a237192433b9a6cf3ab1a4b.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82