Analysis
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max time kernel
149s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 00:00
General
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Target
BL-Draft Copy-536834.exe
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Size
691KB
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MD5
18a0d2e7127c6c01e71c859027b2f62c
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SHA1
d38758b0e2fc8d9079528e3bff79400f302afe18
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SHA256
109c1e14f18b4021461c5f39e695edc2f20d79494dd26da41c11f1d4ebb6c88f
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SHA512
57fc95f366417b3e4b6cd388aa82764dd505ae0f8ef1b11fc04ff02aaca21edcaf1e3e72e4710ea6d510de02cc22190bc2dd33a465ddd4d428629ff364d993e2
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
sages101
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
sages101
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\BL-Draft Copy-536834.exe"C:\Users\Admin\AppData\Local\Temp\BL-Draft Copy-536834.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\BL-Draft Copy-536834.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BL-Draft Copy-536834.exe.logFilesize
1KB
MD5400f1cc1a0a0ce1cdabda365ab3368ce
SHA11ecf683f14271d84f3b6063493dce00ff5f42075
SHA256c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765
SHA51214c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45
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memory/1156-130-0x0000000000CE0000-0x0000000000D94000-memory.dmpFilesize
720KB
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memory/1156-131-0x0000000005D20000-0x00000000062C4000-memory.dmpFilesize
5.6MB
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memory/1156-132-0x0000000005990000-0x0000000005A22000-memory.dmpFilesize
584KB
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memory/1156-133-0x0000000005B80000-0x0000000005B8A000-memory.dmpFilesize
40KB
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memory/1156-134-0x00000000091F0000-0x000000000928C000-memory.dmpFilesize
624KB
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memory/4172-135-0x0000000000000000-mapping.dmp
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memory/4172-136-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/4172-138-0x0000000005A60000-0x0000000005AC6000-memory.dmpFilesize
408KB
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memory/4172-139-0x0000000006760000-0x00000000067B0000-memory.dmpFilesize
320KB