Analysis
- max time kernel
135s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
28/05/2023, 07:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0f51a3b984003a24b73266d958d515d2.exe
Resource
win7-20230220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
0f51a3b984003a24b73266d958d515d2.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target 0f51a3b984003a24b73266d958d515d2.exe
- Size 648KB
- Sample230528-h2mzfsfa2y
- SHA256 1237eec0287f5d0590ef5a8d6bc33e37c3f1384ed1ee265645f8efa054255f38
- MD5 0f51a3b984003a24b73266d958d515d2
- SHA1 5203dfffc39d5e8706a00a003121352a148a7853
- SHA512 469443562245bb197317e2be764ed0e5643b3e566bdba2f28d2c1464d98a3c4b18b32df19fada07816f18d9d099eeefa240b590cbd4a9b497696ae638761642b
- SSDEEP 12288:UaWIm6lVvtzZBEP859h42YdZRP66J6eVNArN0cXiPbL6VrTa5Hhas9o:ZTmIt9BEP8TItC6keVNAr1iPb55Bt
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.pinnafidelis.com
-
Port
587
-
Username
-
Password
*jrdFCF7IO.J
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
mail.pinnafidelis.com
-
Port
587
-
Username
-
Password
*jrdFCF7IO.J
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 2 IoCs
resource yara_rule behavioral2/memory/4244-140-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/4244-145-0x0000000005700000-0x0000000005710000-memory.dmp family_snakekeylogger - 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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0f51a3b984003a24b73266d958d515d2.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0f51a3b984003a24b73266d958d515d2.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0f51a3b984003a24b73266d958d515d2.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 29 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 368 set thread context of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 368 0f51a3b984003a24b73266d958d515d2.exe 368 0f51a3b984003a24b73266d958d515d2.exe 4244 0f51a3b984003a24b73266d958d515d2.exe 4244 0f51a3b984003a24b73266d958d515d2.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4244 0f51a3b984003a24b73266d958d515d2.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 368 0f51a3b984003a24b73266d958d515d2.exe Token: SeDebugPrivilege 4244 0f51a3b984003a24b73266d958d515d2.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 368 wrote to memory of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 PID 368 wrote to memory of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 PID 368 wrote to memory of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 PID 368 wrote to memory of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 PID 368 wrote to memory of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 PID 368 wrote to memory of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 PID 368 wrote to memory of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 PID 368 wrote to memory of 4244 368 0f51a3b984003a24b73266d958d515d2.exe 90 - 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 0f51a3b984003a24b73266d958d515d2.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 0f51a3b984003a24b73266d958d515d2.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0f51a3b984003a24b73266d958d515d2.exe"C:\Users\Admin\AppData\Local\Temp\0f51a3b984003a24b73266d958d515d2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Users\Admin\AppData\Local\Temp\0f51a3b984003a24b73266d958d515d2.exe"C:\Users\Admin\AppData\Local\Temp\0f51a3b984003a24b73266d958d515d2.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4244
-
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\0f51a3b984003a24b73266d958d515d2.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512