Analysis
- max time kernel
82s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
24/02/2023, 12:55
Static task
static1
Behavioral task
behavioral1
Sample
cfb62591da20892aa755ee932666054f.exe
Resource
win7-20230220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
cfb62591da20892aa755ee932666054f.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target cfb62591da20892aa755ee932666054f.exe
- Size 802KB
- Sample230224-p5wt4abc58
- SHA256 a1f20e7eb5cf78dfec6c0a2103ebff1e9809f2205f5f2098acb1cabed20960bd
- MD5 cfb62591da20892aa755ee932666054f
- SHA1 bace9b29c0e784c0d8c59c83dc1629feb36a7e8c
- SHA512 5d70a2ff6633356d4b9f58144066ec1cab78e52d0b112d552a1b99e4ad538f368c62b92b54ea8f9d919bd28a19e29d50c38711aa0e828725746838703b445342
- SSDEEP 24576:3z4eLxWfz2PHWFLAAYNYF1JaSOyll0Ctcu:HLxWfaP2FLAAoI1Jaby
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
cp5ua.hyperhost.ua
-
Port
587
-
Username
-
Password
7213575aceACE@#$
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/388-140-0x0000000000400000-0x0000000000426000-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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cfb62591da20892aa755ee932666054f.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cfb62591da20892aa755ee932666054f.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cfb62591da20892aa755ee932666054f.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 21 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1732 set thread context of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 388 cfb62591da20892aa755ee932666054f.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 388 cfb62591da20892aa755ee932666054f.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1732 wrote to memory of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 PID 1732 wrote to memory of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 PID 1732 wrote to memory of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 PID 1732 wrote to memory of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 PID 1732 wrote to memory of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 PID 1732 wrote to memory of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 PID 1732 wrote to memory of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 PID 1732 wrote to memory of 388 1732 cfb62591da20892aa755ee932666054f.exe 85 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cfb62591da20892aa755ee932666054f.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cfb62591da20892aa755ee932666054f.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cfb62591da20892aa755ee932666054f.exe"C:\Users\Admin\AppData\Local\Temp\cfb62591da20892aa755ee932666054f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Users\Admin\AppData\Local\Temp\cfb62591da20892aa755ee932666054f.exe"C:\Users\Admin\AppData\Local\Temp\cfb62591da20892aa755ee932666054f.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:388
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cfb62591da20892aa755ee932666054f.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512