Analysis
-
max time kernel
124s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-12-2024 16:15
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20241007-en
General
-
Target
file.exe
-
Size
3.6MB
-
MD5
34aad6fec4fa9e1387d268bb6f24f758
-
SHA1
959cca79e07e7a9589f05ac46d1bf9563d38de8b
-
SHA256
99b74e18133910a21f58428c8fd9615a8dcb6a496bcda6acd20b5621d7951e43
-
SHA512
85caddccbef84b9cbd6ad7cc100e3183a72ff99cb4485e7426d06f38aed9e163d5e3c072b5d33b6adf44070955e8a71d1843c5bdb3a1bd3fd136b56ecc42c9ea
-
SSDEEP
49152:TBwDUAR6Qzk7UHlj796h+16eUMTycWaX/Ngvv1VlHIPIV/CdQvJuJ44wPcbErkcT:TKQtQzv9XUMmczWvnlo0KSj5L1Ln9
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7692220058:AAEny12fSzuKXI7iNJaESECu5UR80nmwLAQ/sendMessage?chat_id=7342994424
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/2904-23-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
-
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 664 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation file.exe -
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.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 20 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 964 set thread context of 2904 964 file.exe 102 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 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 file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4164 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 664 powershell.exe 964 file.exe 964 file.exe 2904 vbc.exe 664 powershell.exe 2904 vbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 664 powershell.exe Token: SeDebugPrivilege 964 file.exe Token: SeDebugPrivilege 2904 vbc.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 964 wrote to memory of 664 964 file.exe 97 PID 964 wrote to memory of 664 964 file.exe 97 PID 964 wrote to memory of 664 964 file.exe 97 PID 964 wrote to memory of 4164 964 file.exe 99 PID 964 wrote to memory of 4164 964 file.exe 99 PID 964 wrote to memory of 4164 964 file.exe 99 PID 964 wrote to memory of 3168 964 file.exe 101 PID 964 wrote to memory of 3168 964 file.exe 101 PID 964 wrote to memory of 3168 964 file.exe 101 PID 964 wrote to memory of 2904 964 file.exe 102 PID 964 wrote to memory of 2904 964 file.exe 102 PID 964 wrote to memory of 2904 964 file.exe 102 PID 964 wrote to memory of 2904 964 file.exe 102 PID 964 wrote to memory of 2904 964 file.exe 102 PID 964 wrote to memory of 2904 964 file.exe 102 PID 964 wrote to memory of 2904 964 file.exe 102 PID 964 wrote to memory of 2904 964 file.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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:964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FVhIjYtGTAjNkN.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:664
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FVhIjYtGTAjNkN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC8CE.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4164
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:3168
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2904
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD5b4c93ffaadb41344b0cb8bdbec846f87
SHA17852dca954d11c5893a2675beaa0df41a717c187
SHA256658b0cf2ceda91df47db9d329e078a1e7215c9dfcc28a6ce2caabb3ec58df873
SHA512d0f0aa84ef957509a325badf1c1e81b8b29d0c20b4b9cce8f1f3b53b27be57cbc6015f86479211a4db3a9dbbddcf1e1f288582fa4ed05b2865a08352979200e3