Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20250129-en - resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system - submitted
05/02/2025, 07:47
Static task
static1
Behavioral task
behavioral1
Sample
SOA.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
SOA.exe
Resource
win10v2004-20250129-en
General
- Target SOA.exe
- Size 942KB
- Sample250205-jmlcraxjdw
- SHA256 83a7159eda11a47065c266929a9ea0c387be8db616b2d46c75a18c4e473760c8
- MD5 7e547a47ae1e1fc0e938996b3d44ddd0
- SHA1 9639dc85ade900b1a34dc3883efba49bac9c3637
- SHA512 d0ce6910e448414b6c47b9aa9e738b45d540a9ff0d9fa4b0319c27bd4b15920e280ef0e0e3221c2c41c595e65ff147dcf351d0b3b070861260b94858cbb2b7d1
- SSDEEP 12288:OaRUMXe5y/t1u/pg3fjDbCVmkAyMuJtirgU9DpxgCDBvSOGL2c3B1KOIKqkI:Oa+pg3rDbZyMuGU8bDBNGqAB1IKq
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.starmech.net
-
Port
587
-
Username
-
Password
nics123
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.starmech.net
-
Port
587
-
Username
-
Password
nics123
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe" SOA.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 18 api.ipify.org 19 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3676 set thread context of 3364 3676 SOA.exe 89 - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SOA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SOA.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3364 SOA.exe 3364 SOA.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3364 SOA.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3364 SOA.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3676 wrote to memory of 3364 3676 SOA.exe 89 PID 3676 wrote to memory of 3364 3676 SOA.exe 89 PID 3676 wrote to memory of 3364 3676 SOA.exe 89 PID 3676 wrote to memory of 3364 3676 SOA.exe 89 PID 3676 wrote to memory of 3364 3676 SOA.exe 89 PID 3676 wrote to memory of 3364 3676 SOA.exe 89 PID 3676 wrote to memory of 3364 3676 SOA.exe 89 PID 3676 wrote to memory of 3364 3676 SOA.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3364
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SOA.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512