Analysis
- max time kernel
120s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
07/03/2023, 12:27
Static task
static1
Behavioral task
behavioral1
Sample
Belge.exe
Resource
win7-20230220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
Belge.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target Belge.exe
- Size 1.0MB
- Sample230307-pmrseshh86
- SHA256 606157eb85fa1f90ad5b6def0cbddc1445298156aecb9da21bcc925e6cd7638c
- MD5 74ad2d4df4613a50a25d8d36b5d967d1
- SHA1 b6b1c4615032e51310c00212c51e9c2aa3b81cb6
- SHA512 896d2541a3247bd47d2057fd52fad7a3aa2e75eccef4c030e1eb2d6517e3210b4e2804907ea2555ea4a52c2a7612fd3c33c6e86fe60ed2705dfb7239d9301fb6
- SSDEEP 12288:6TjXpV6cXhpUFycG+XQTHkgf53alA0Rho7/GyDGDYvdi9P:6TL3teyc/A9alZj6wDYw
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot5587666659:AAG8NrrXJQs__dhk8nLJBFOspz2my8OVpX0/sendMessage?chat_id=5569775004
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 2 IoCs
resource yara_rule behavioral2/memory/3664-138-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/3664-144-0x0000000005830000-0x0000000005840000-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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Belge.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Belge.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Belge.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 89 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1516 set thread context of 3664 1516 Belge.exe 96 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1516 Belge.exe 1516 Belge.exe 3664 Belge.exe 3664 Belge.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1516 Belge.exe Token: SeDebugPrivilege 3664 Belge.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1516 wrote to memory of 5048 1516 Belge.exe 95 PID 1516 wrote to memory of 5048 1516 Belge.exe 95 PID 1516 wrote to memory of 5048 1516 Belge.exe 95 PID 1516 wrote to memory of 3664 1516 Belge.exe 96 PID 1516 wrote to memory of 3664 1516 Belge.exe 96 PID 1516 wrote to memory of 3664 1516 Belge.exe 96 PID 1516 wrote to memory of 3664 1516 Belge.exe 96 PID 1516 wrote to memory of 3664 1516 Belge.exe 96 PID 1516 wrote to memory of 3664 1516 Belge.exe 96 PID 1516 wrote to memory of 3664 1516 Belge.exe 96 PID 1516 wrote to memory of 3664 1516 Belge.exe 96 - 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 Belge.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 Belge.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Belge.exe"C:\Users\Admin\AppData\Local\Temp\Belge.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Users\Admin\AppData\Local\Temp\Belge.exe"C:\Users\Admin\AppData\Local\Temp\Belge.exe"2⤵PID:5048
-
-
C:\Users\Admin\AppData\Local\Temp\Belge.exe"C:\Users\Admin\AppData\Local\Temp\Belge.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3664
-
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\Belge.exe.log
- Size 1KB
- SHA256 839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd
- MD5 36049bae97bba745c793444373453cb0
- SHA1 eb6e9a822944e8e207abba1a5e53f0183a1684f1
- SHA512 a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb
- MD5 SHA1 SHA512