Analysis
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max time kernel
185s -
max time network
280s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
16/11/2023, 22:17
Static task
static1
Behavioral task
behavioral1
Sample
t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe
Resource
win10v2004-20231020-en
General
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Target
t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe
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Size
138KB
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MD5
58a6acecabac60d31bacdd30909101e0
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SHA1
f6c9c618ee74853355446711b64dd72f853d5297
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SHA256
14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520
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SHA512
691485d7a1aec7bf406052b4b7d60045f409b9b7e971fd9427d2db1d6a90cc5f4173fe6c5e1f00b411b0cb2e17f72dcaef75ce07f97a4d19afb561bdcc8966fe
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SSDEEP
3072:YWpyRowPM+sfHoPIaPQuF5Bcd+NlBvCL:JUowPMPfHAbPQuHBcAC
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6291795537:AAEMBnTzrVQuxAduZ-X6E2opYJoPQJoG5tY/sendMessage?chat_id=5262627523
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
resource yara_rule behavioral2/memory/4616-10-0x0000000140000000-0x0000000140022000-memory.dmp family_snakekeylogger behavioral2/memory/4616-14-0x0000021536DA0000-0x0000021536DB0000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sssssss = "C:\\Users\\Admin\\AppData\\Roaming\\sssssss.exe" t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.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 43 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2904 set thread context of 4616 2904 t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe 95 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4616 MSBuild.exe 4616 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2904 t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe Token: SeDebugPrivilege 4616 MSBuild.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2904 wrote to memory of 4616 2904 t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe 95 PID 2904 wrote to memory of 4616 2904 t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe 95 PID 2904 wrote to memory of 4616 2904 t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe 95 PID 2904 wrote to memory of 4616 2904 t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe 95 PID 2904 wrote to memory of 4616 2904 t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe 95 PID 2904 wrote to memory of 4616 2904 t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe"C:\Users\Admin\AppData\Local\Temp\t_d_14b6181455c3e32793109b986099e80ccefa68fbc48b0fd5d07beb5cd4cc4520_exe.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4616
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