Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
21-05-2024 12:14
Static task
static1
Behavioral task
behavioral1
Sample
Vessel Position.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Vessel Position.exe
Resource
win10v2004-20240508-en
General
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Target
Vessel Position.exe
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Size
461KB
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MD5
2811bb21fbddfc5aa2fc7645899490f1
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SHA1
409103b6f327dfdb552dbbcccfc42c8079114f20
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SHA256
f8945563dab52de0ef1cc3dcce3afbdcd8122cfef0c84a0a5d6661ae3ab6137a
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SHA512
fd51548706dee4ef4ad01e69444c24157760d0f7200adf6293cc7f34700014458cc10d7586e77388b0c91f066baaad982c3365abc79a08cc7b19875c4a7c6e3e
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SSDEEP
6144:TWeKZc3d4L6GzC/fikYczRj+m2xHfTVDgjnx3G5UuBjhpH3565Xnnz/8vqe7fV:kLCwczBGVgjx3q5
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
jxkiKr1nB8PV
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
jxkiKr1nB8PV - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Vessel Position.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\notepads = "C:\\Users\\Admin\\AppData\\Roaming\\notepads.exe" Vessel Position.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.
Processes:
flow ioc 44 api.ipify.org 45 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Vessel Position.exedescription pid process target process PID 4892 set thread context of 2372 4892 Vessel Position.exe Vessel Position.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Vessel Position.exepid process 2372 Vessel Position.exe 2372 Vessel Position.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Vessel Position.exeVessel Position.exedescription pid process Token: SeDebugPrivilege 4892 Vessel Position.exe Token: SeDebugPrivilege 4892 Vessel Position.exe Token: SeDebugPrivilege 2372 Vessel Position.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Vessel Position.exedescription pid process target process PID 4892 wrote to memory of 2372 4892 Vessel Position.exe Vessel Position.exe PID 4892 wrote to memory of 2372 4892 Vessel Position.exe Vessel Position.exe PID 4892 wrote to memory of 2372 4892 Vessel Position.exe Vessel Position.exe PID 4892 wrote to memory of 2372 4892 Vessel Position.exe Vessel Position.exe PID 4892 wrote to memory of 2372 4892 Vessel Position.exe Vessel Position.exe PID 4892 wrote to memory of 2372 4892 Vessel Position.exe Vessel Position.exe PID 4892 wrote to memory of 2372 4892 Vessel Position.exe Vessel Position.exe PID 4892 wrote to memory of 2372 4892 Vessel Position.exe Vessel Position.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe"C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe"C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2372
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5489c7565f9b029ba9fadff774073cc98
SHA156c05089b33ee7e7dfa9e6a2d098164efd8e1150
SHA25610bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4
SHA512ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac