Analysis
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max time kernel
137s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
21-10-2021 14:13
General
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Target
Cotización-21102021.pdf.exe
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Size
540KB
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MD5
7ca3c2ad1da3bd5514be7054b2af0a78
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SHA1
bc96a6c3f9f442f2d52a8ec7e48a7d010b6d767b
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SHA256
5bad96dda4ae65a4b81d53e3ddd51eaa0181e07c5dea64b1d1bfb561b900dc53
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SHA512
c4b71df1e2e40c6f9a5489f7b2f5f9935053b524d99a24f0c3869d0a9013a2441ac3b6c6f8f991b8df89fadba9890f946a4e7b5e3fbbd6f476d7fb9f8b2658c6
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
logs@chinadulokislogs.xyz - Password:
CHINADUA@#asx122
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
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Drops file in Drivers directory 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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 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\Cotización-21102021.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Cotización-21102021.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Cotización-21102021.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Cotización-21102021.pdf.exe"2⤵
- Drops file in Drivers directory
- 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\Cotización-21102021.pdf.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/996-124-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/996-136-0x0000000005520000-0x0000000005A1E000-memory.dmpFilesize
5.0MB
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memory/996-133-0x0000000006280000-0x0000000006281000-memory.dmpFilesize
4KB
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memory/996-132-0x00000000059A0000-0x00000000059A1000-memory.dmpFilesize
4KB
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memory/996-131-0x0000000005520000-0x0000000005A1E000-memory.dmpFilesize
5.0MB
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memory/996-125-0x00000000004375EE-mapping.dmp
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memory/3464-119-0x0000000007D00000-0x0000000007D01000-memory.dmpFilesize
4KB
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memory/3464-123-0x00000000089F0000-0x0000000008A48000-memory.dmpFilesize
352KB
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memory/3464-122-0x0000000008950000-0x0000000008951000-memory.dmpFilesize
4KB
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memory/3464-121-0x0000000007EA0000-0x0000000007EA7000-memory.dmpFilesize
28KB
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memory/3464-120-0x0000000007C50000-0x000000000814E000-memory.dmpFilesize
5.0MB
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memory/3464-115-0x0000000000E30000-0x0000000000E31000-memory.dmpFilesize
4KB
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memory/3464-118-0x0000000007D30000-0x0000000007D31000-memory.dmpFilesize
4KB
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memory/3464-117-0x0000000008150000-0x0000000008151000-memory.dmpFilesize
4KB