Analysis
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max time kernel
146s -
max time network
15s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-02-2021 03:12
General
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Target
Additional documents required.exe
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://files.000webhost.com/ - Port:
21 - Username:
zinco - Password:
computer147
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 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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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Additional documents required.exe"C:\Users\Admin\AppData\Local\Temp\Additional documents required.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lHxDNGlOENUG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21F2.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Additional documents required.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp21F2.tmpMD5
2add73afdc665bc162b54c0a8b85a13b
SHA1cfc3cd81c6d10ba83e0282d34a5cbc5fb002b42d
SHA256ae8bc681651309f95d6ac512d368bb8ca357901479c0efec55d3454497cd306c
SHA512e5b07b4f841aa0e5527c1c44649f8e68196f45a03f865109d13f8996f8d0b537616a38f514bd576beaae3cd8c49b711cbd1e17be2fc6bc1591ae26b408994700
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memory/240-8-0x0000000000000000-mapping.dmp
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memory/964-12-0x0000000073A30000-0x000000007411E000-memory.dmpFilesize
6.9MB
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memory/964-10-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/964-11-0x00000000004375DE-mapping.dmp
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memory/964-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/964-15-0x0000000004D90000-0x0000000004D91000-memory.dmpFilesize
4KB
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memory/964-16-0x0000000004D91000-0x0000000004D92000-memory.dmpFilesize
4KB
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memory/1940-6-0x0000000000930000-0x000000000093B000-memory.dmpFilesize
44KB
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memory/1940-7-0x0000000007E00000-0x0000000007E81000-memory.dmpFilesize
516KB
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memory/1940-5-0x0000000000A20000-0x0000000000A21000-memory.dmpFilesize
4KB
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memory/1940-3-0x0000000001140000-0x0000000001141000-memory.dmpFilesize
4KB
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memory/1940-2-0x0000000073A30000-0x000000007411E000-memory.dmpFilesize
6.9MB