Analysis
- max time kernel
127s - max time network
177s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
25/01/2022, 08:28
Static task
static1
Behavioral task
behavioral1
Sample
Profroma Invoice # 734739.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Profroma Invoice # 734739.exe
Resource
win10-en-20211208
0 signatures
0 seconds
General
- Target Profroma Invoice # 734739.exe
- Size 747KB
- Sample220125-kc1kcscbd6
- SHA256 4caa0ca1608f5982bbedace751bde8798f481a68e44542f9c834d0774ad1e1e0
- MD5 884b1d145b84f952edf448313f1dfa58
- SHA1 46760fbe1c86a9e57d2cec2967e8c0bedf866ecf
- SHA512 031e8901047e79046d6d47cbc6cc1ee708eeaf4eeb1e76485024269bb52625dd36b471e5819b1fcf4cead07f9598eeb8f98e81af350a2455d8031e1218189c70
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot5003449260:AAENtP4Tzr9My4Dh-x5IgX7-VIgy7oLFBMc/sendMessage?chat_id=5097728125
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 1 IoCs
resource yara_rule behavioral2/memory/3576-127-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profroma Invoice # 734739.exe Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profroma Invoice # 734739.exe Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profroma Invoice # 734739.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 43 checkip.dyndns.org 45 freegeoip.app 46 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2152 set thread context of 3576 2152 Profroma Invoice # 734739.exe 72 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3576 Profroma Invoice # 734739.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3576 Profroma Invoice # 734739.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2152 wrote to memory of 3576 2152 Profroma Invoice # 734739.exe 72 PID 2152 wrote to memory of 3576 2152 Profroma Invoice # 734739.exe 72 PID 2152 wrote to memory of 3576 2152 Profroma Invoice # 734739.exe 72 PID 2152 wrote to memory of 3576 2152 Profroma Invoice # 734739.exe 72 PID 2152 wrote to memory of 3576 2152 Profroma Invoice # 734739.exe 72 PID 2152 wrote to memory of 3576 2152 Profroma Invoice # 734739.exe 72 PID 2152 wrote to memory of 3576 2152 Profroma Invoice # 734739.exe 72 PID 2152 wrote to memory of 3576 2152 Profroma Invoice # 734739.exe 72 PID 3576 wrote to memory of 3196 3576 Profroma Invoice # 734739.exe 73 PID 3576 wrote to memory of 3196 3576 Profroma Invoice # 734739.exe 73 PID 3576 wrote to memory of 3196 3576 Profroma Invoice # 734739.exe 73 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profroma Invoice # 734739.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profroma Invoice # 734739.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Profroma Invoice # 734739.exe"C:\Users\Admin\AppData\Local\Temp\Profroma Invoice # 734739.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Users\Admin\AppData\Local\Temp\Profroma Invoice # 734739.exe"C:\Users\Admin\AppData\Local\Temp\Profroma Invoice # 734739.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3576 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:3196
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