Analysis
- max time kernel
135s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
03/04/2023, 12:25
Static task
static1
Behavioral task
behavioral1
Sample
41jjKa3asuAaTmT.exe
Resource
win7-20230220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
41jjKa3asuAaTmT.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target 41jjKa3asuAaTmT.exe
- Size 582KB
- Sample230403-plm3vaef37
- SHA256 991bbcfcdcf46e0e2180f8024b6ba4d87c72d36289bb49e023a9fb04c71ff191
- MD5 76fa888f49eb0823a6bf23b7025e4575
- SHA1 6a09ab8dbf6c23f189053e2332f43a7cb7492316
- SHA512 b75f4f8678169567329f777d1cead11f00769ba580acaf7a9bb46a0fd491ef6c4a046b0e19d316c78be6e7cb61c5a46b8d30d624ffb1372c9c185d62284e34ec
- SSDEEP 12288:satzLwrQTtoMF0K3JecxtbwO+VsZd9ZumgtP+ZnD4qMSOgqnB3:gMZeQpJKs7juTEZnD4DSq
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot6277827765:AAGkON0bdCE8PCGABmKqbxxetYUGx4oIV1w/sendMessage?chat_id=6176924282
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/2688-140-0x0000000000400000-0x0000000000426000-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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 41jjKa3asuAaTmT.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 41jjKa3asuAaTmT.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 41jjKa3asuAaTmT.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 35 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2840 set thread context of 2688 2840 41jjKa3asuAaTmT.exe 90 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2688 41jjKa3asuAaTmT.exe 2688 41jjKa3asuAaTmT.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2688 41jjKa3asuAaTmT.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2840 wrote to memory of 2688 2840 41jjKa3asuAaTmT.exe 90 PID 2840 wrote to memory of 2688 2840 41jjKa3asuAaTmT.exe 90 PID 2840 wrote to memory of 2688 2840 41jjKa3asuAaTmT.exe 90 PID 2840 wrote to memory of 2688 2840 41jjKa3asuAaTmT.exe 90 PID 2840 wrote to memory of 2688 2840 41jjKa3asuAaTmT.exe 90 PID 2840 wrote to memory of 2688 2840 41jjKa3asuAaTmT.exe 90 PID 2840 wrote to memory of 2688 2840 41jjKa3asuAaTmT.exe 90 PID 2840 wrote to memory of 2688 2840 41jjKa3asuAaTmT.exe 90 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 41jjKa3asuAaTmT.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 41jjKa3asuAaTmT.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\41jjKa3asuAaTmT.exe"C:\Users\Admin\AppData\Local\Temp\41jjKa3asuAaTmT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Users\Admin\AppData\Local\Temp\41jjKa3asuAaTmT.exe"C:\Users\Admin\AppData\Local\Temp\41jjKa3asuAaTmT.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2688
-
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\41jjKa3asuAaTmT.exe.log
- Size 1KB
- SHA256 839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd
- MD5 36049bae97bba745c793444373453cb0
- SHA1 eb6e9a822944e8e207abba1a5e53f0183a1684f1
- SHA512 a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb
- MD5 SHA1 SHA512