Analysis
- max time kernel
91s - max time network
114s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
27/02/2023, 09:24
Static task
static1
Behavioral task
behavioral1
Sample
ljC5Y1fa6ilPfDC.exe
Resource
win7-20230220-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
ljC5Y1fa6ilPfDC.exe
Resource
win10v2004-20230220-en
11 signatures
150 seconds
General
- Target ljC5Y1fa6ilPfDC.exe
- Size 1.0MB
- Sample230227-lc29macf6y
- SHA256 534c9a9fa4838e6f01ba0efc8bb323c0d5d09095d7c0f95a0c70bb69473250eb
- MD5 daffbc463767b931dea96ff6a939a6db
- SHA1 53f5bf7b34c4323beda88c3e1dbd16579a447b91
- SHA512 ec63b7bac85bc90502032264d49c40d7f67ea0a7e33628b60b815a32c03b9255bfc4f87c1d8abe5578f345f280547239fe78c139ef2a3e75df88d7cf761b6da7
- SSDEEP 12288:9rwEx2iNYUQav9zCH6ClHvaFQ//W25V0QptNlGGccLGfrEN8Y5wIKU2oth/yE10h:Zwk1MytCaS+2PtptN9LogN8Y1l3dKvP
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot6153811580:AAFDLNZoT-HelPNUs1JOyE22nWD-iLH7QKY/sendMessage?chat_id=5582419717
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1472-149-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - 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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation ljC5Y1fa6ilPfDC.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 37 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 560 set thread context of 1472 560 ljC5Y1fa6ilPfDC.exe 89 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
pid pid_target Process procid_target 3088 1472 WerFault.exe 89 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3856 schtasks.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 560 ljC5Y1fa6ilPfDC.exe 560 ljC5Y1fa6ilPfDC.exe 4288 powershell.exe 1472 MSBuild.exe 4288 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 560 ljC5Y1fa6ilPfDC.exe Token: SeDebugPrivilege 4288 powershell.exe Token: SeDebugPrivilege 1472 MSBuild.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 560 wrote to memory of 4288 560 ljC5Y1fa6ilPfDC.exe 84 PID 560 wrote to memory of 4288 560 ljC5Y1fa6ilPfDC.exe 84 PID 560 wrote to memory of 4288 560 ljC5Y1fa6ilPfDC.exe 84 PID 560 wrote to memory of 3856 560 ljC5Y1fa6ilPfDC.exe 86 PID 560 wrote to memory of 3856 560 ljC5Y1fa6ilPfDC.exe 86 PID 560 wrote to memory of 3856 560 ljC5Y1fa6ilPfDC.exe 86 PID 560 wrote to memory of 1980 560 ljC5Y1fa6ilPfDC.exe 88 PID 560 wrote to memory of 1980 560 ljC5Y1fa6ilPfDC.exe 88 PID 560 wrote to memory of 1980 560 ljC5Y1fa6ilPfDC.exe 88 PID 560 wrote to memory of 1472 560 ljC5Y1fa6ilPfDC.exe 89 PID 560 wrote to memory of 1472 560 ljC5Y1fa6ilPfDC.exe 89 PID 560 wrote to memory of 1472 560 ljC5Y1fa6ilPfDC.exe 89 PID 560 wrote to memory of 1472 560 ljC5Y1fa6ilPfDC.exe 89 PID 560 wrote to memory of 1472 560 ljC5Y1fa6ilPfDC.exe 89 PID 560 wrote to memory of 1472 560 ljC5Y1fa6ilPfDC.exe 89 PID 560 wrote to memory of 1472 560 ljC5Y1fa6ilPfDC.exe 89 PID 560 wrote to memory of 1472 560 ljC5Y1fa6ilPfDC.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\ljC5Y1fa6ilPfDC.exe"C:\Users\Admin\AppData\Local\Temp\ljC5Y1fa6ilPfDC.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lwbuGspQZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4288
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lwbuGspQZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2EEF.tmp"2⤵
- Creates scheduled task(s)
PID:3856
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:1980
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1472 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 14603⤵
- Program crash
PID:3088
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1472 -ip 14721⤵PID:4992
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0dbh0qsa.b30.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp2EEF.tmp
- Size 1KB
- SHA256 cbe735cbe7b874bcb0d84ddef47df14744d8e90c88fb86efc78321fd2ffc05bc
- MD5 1f2ea1335f10cc26b3af8ad1bf61a97f
- SHA1 4de53d7a0f2d8c00685e17ebf618a484fb3d8783
- SHA512 14dda43f3e9cb0414bb1bd126888f645d2f89a67ff08f7f1ac0bb3245ce2bb1a9b99bb5fa5de9405cbe934ffc097036aa7fb544d7f96ccab2d064dcdf099debc
- MD5 SHA1 SHA512