Analysis
- max time kernel
91s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
16/01/2023, 09:28
Static task
static1
Behavioral task
behavioral1
Sample
yJJsjDFtgxl42Kq.exe
Resource
win7-20221111-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
yJJsjDFtgxl42Kq.exe
Resource
win10v2004-20220812-en
13 signatures
150 seconds
General
- Target yJJsjDFtgxl42Kq.exe
- Size 864KB
- Sample230116-lfbwvagg6t
- SHA256 d54bb4abf5b1d85b7c01eb5a5ca9bd61b2b6ff82acc7235a8b8b65cff3129782
- MD5 41cde171d7d202576988655b06bbf197
- SHA1 f488cea7f8a7d49180a893438f4ec9c0ed8c116c
- SHA512 7baf5fa21f1cd0c4faef5dc9938c25627135dbb0af1b145f0551e1a7414861bdbf18a78ce184152a1b986c53fce44250b19ca1e213cfaa2397873aa910264954
- SSDEEP 24576:KDPDJhb3ewHdqoXpDDLZtM+nbMB/0UpIH:qPDJhb/1LZtMnpIH
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot5818680343:AAGVJsfIHcopySiifMCdAaFCv-ICp2_Yo_M/sendMessage?chat_id=5765702254
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/2204-139-0x0000000000400000-0x0000000000426000-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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 yJJsjDFtgxl42Kq.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 yJJsjDFtgxl42Kq.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 yJJsjDFtgxl42Kq.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 42 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 976 set thread context of 2204 976 yJJsjDFtgxl42Kq.exe 91 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 976 yJJsjDFtgxl42Kq.exe 976 yJJsjDFtgxl42Kq.exe 2204 yJJsjDFtgxl42Kq.exe 2204 yJJsjDFtgxl42Kq.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 976 yJJsjDFtgxl42Kq.exe Token: SeDebugPrivilege 2204 yJJsjDFtgxl42Kq.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 976 wrote to memory of 2116 976 yJJsjDFtgxl42Kq.exe 90 PID 976 wrote to memory of 2116 976 yJJsjDFtgxl42Kq.exe 90 PID 976 wrote to memory of 2116 976 yJJsjDFtgxl42Kq.exe 90 PID 976 wrote to memory of 2204 976 yJJsjDFtgxl42Kq.exe 91 PID 976 wrote to memory of 2204 976 yJJsjDFtgxl42Kq.exe 91 PID 976 wrote to memory of 2204 976 yJJsjDFtgxl42Kq.exe 91 PID 976 wrote to memory of 2204 976 yJJsjDFtgxl42Kq.exe 91 PID 976 wrote to memory of 2204 976 yJJsjDFtgxl42Kq.exe 91 PID 976 wrote to memory of 2204 976 yJJsjDFtgxl42Kq.exe 91 PID 976 wrote to memory of 2204 976 yJJsjDFtgxl42Kq.exe 91 PID 976 wrote to memory of 2204 976 yJJsjDFtgxl42Kq.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 yJJsjDFtgxl42Kq.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 yJJsjDFtgxl42Kq.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\yJJsjDFtgxl42Kq.exe"C:\Users\Admin\AppData\Local\Temp\yJJsjDFtgxl42Kq.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Users\Admin\AppData\Local\Temp\yJJsjDFtgxl42Kq.exe"C:\Users\Admin\AppData\Local\Temp\yJJsjDFtgxl42Kq.exe"2⤵PID:2116
-
-
C:\Users\Admin\AppData\Local\Temp\yJJsjDFtgxl42Kq.exe"C:\Users\Admin\AppData\Local\Temp\yJJsjDFtgxl42Kq.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2204
-
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\yJJsjDFtgxl42Kq.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512