Analysis
- max time kernel
146s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
18/03/2024, 15:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e-dekont.exe
Resource
win7-20240221-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
e-dekont.exe
Resource
win10v2004-20240226-en
12 signatures
150 seconds
General
- Target e-dekont.exe
- Size 810KB
- Sample240318-srbhsabg78
- SHA256 c1ecdc617db839e561aa5318e3458ce0f0db30386f8b9cb5586314b2e75a8a7d
- MD5 e3f761aaddc5dc46f6c6e92d611a59fb
- SHA1 81f7d3a2fef67f130a1a612f774fd749e02c0ca4
- SHA512 7bb24d0072d46dfe4246856b76586b2eb50623f5dcabc77474e10fb47522479991b1387713718bb34dadd16147bf9083a3b48d60017aa8d6218baff5ad23bb55
- SSDEEP 12288:jPgRh4JrZQvYs/hWBG4zbp2kyBburYh0gD9eLRUhMhzMH:j4JYcIo29yBb/hZZAmz
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4100-11-0x0000000000400000-0x0000000000426000-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-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.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 2740 set thread context of 4100 2740 e-dekont.exe 99 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4100 e-dekont.exe 4100 e-dekont.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4100 e-dekont.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2740 wrote to memory of 4100 2740 e-dekont.exe 99 PID 2740 wrote to memory of 4100 2740 e-dekont.exe 99 PID 2740 wrote to memory of 4100 2740 e-dekont.exe 99 PID 2740 wrote to memory of 4100 2740 e-dekont.exe 99 PID 2740 wrote to memory of 4100 2740 e-dekont.exe 99 PID 2740 wrote to memory of 4100 2740 e-dekont.exe 99 PID 2740 wrote to memory of 4100 2740 e-dekont.exe 99 PID 2740 wrote to memory of 4100 2740 e-dekont.exe 99 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4100
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e-dekont.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512