Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
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submitted
09-12-2023 01:12
General
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Target
91975dd11dbcf2cebd2f381722eaded7f39a3a472a1bbba8ea8aeb6d17dd5ea8.exe
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Size
52.0MB
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MD5
50ca49db35da90d69b4a855f7595c480
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SHA1
cc7cb6b3b7d3f95f032b092a9c994cd01aa2d374
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SHA256
91975dd11dbcf2cebd2f381722eaded7f39a3a472a1bbba8ea8aeb6d17dd5ea8
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SHA512
de8253b181ef74136574c2286fe26ec082053247f523fba2f72a4b91d0c24d712cb13bebf77ba4f24843fa039db6920c788cc93bb2ae6d23b277b33576c17b38
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SSDEEP
12288:mW6tW1aXobBRh1bFycNjp7WOXDlXYBEkYSNn3ed/E:w4bbTCYDlXIjYSNj
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.flecon.com.sg - Port:
587 - Username:
[email protected] - Password:
8CJN6A87XUIU - 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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\91975dd11dbcf2cebd2f381722eaded7f39a3a472a1bbba8ea8aeb6d17dd5ea8.exe"C:\Users\Admin\AppData\Local\Temp\91975dd11dbcf2cebd2f381722eaded7f39a3a472a1bbba8ea8aeb6d17dd5ea8.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\91975dd11dbcf2cebd2f381722eaded7f39a3a472a1bbba8ea8aeb6d17dd5ea8.exe"C:\Users\Admin\AppData\Local\Temp\91975dd11dbcf2cebd2f381722eaded7f39a3a472a1bbba8ea8aeb6d17dd5ea8.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6.9MB
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Filesize
920KB
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Filesize
256KB
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Filesize
104KB
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Filesize
32KB
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Filesize
40KB
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Filesize
504KB
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Filesize
6.9MB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
4KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
6.9MB