Analysis
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max time kernel
131s -
max time network
135s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
19-10-2021 12:40
General
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Target
new order 00041221.exe
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Size
400KB
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MD5
732de5ad320a92c57f1973c02147befe
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SHA1
8c1d8475d0800d148448e3380e9e6b7e0ccdc562
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SHA256
ab117e0e873dc84ac3c9d5498f5eeae6672a9b999fc59c0cbd66c6591c96ebd4
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SHA512
a9231a8327485c2776b9494ef4429412dc7cb10270f7669039814bbcbd3d24c7f6eac8a96bb0021be47840357d5a6d00e654f3fcf2414f75919075095170a5c6
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
e)cnIdR1
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
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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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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 6 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 14 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\new order 00041221.exe"C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hzQYeJgCInuHX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7849.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"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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memory/528-126-0x0000000000000000-mapping.dmp
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memory/660-135-0x0000000005F00000-0x0000000005F01000-memory.dmpFilesize
4KB
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memory/660-134-0x0000000005E60000-0x0000000005E61000-memory.dmpFilesize
4KB
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memory/660-133-0x0000000002D80000-0x0000000002D81000-memory.dmpFilesize
4KB
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memory/660-128-0x0000000000436D6E-mapping.dmp
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memory/660-127-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3708-120-0x0000000004B40000-0x000000000503E000-memory.dmpFilesize
5.0MB
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memory/3708-123-0x00000000088C0000-0x00000000088C8000-memory.dmpFilesize
32KB
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memory/3708-124-0x0000000008F30000-0x0000000008F31000-memory.dmpFilesize
4KB
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memory/3708-125-0x0000000008FD0000-0x0000000009027000-memory.dmpFilesize
348KB
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memory/3708-121-0x0000000004B40000-0x000000000503E000-memory.dmpFilesize
5.0MB
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memory/3708-122-0x0000000004B40000-0x000000000503E000-memory.dmpFilesize
5.0MB
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memory/3708-115-0x00000000002C0000-0x00000000002C1000-memory.dmpFilesize
4KB
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memory/3708-119-0x0000000004B70000-0x0000000004B71000-memory.dmpFilesize
4KB
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memory/3708-118-0x0000000004BE0000-0x0000000004BE1000-memory.dmpFilesize
4KB
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memory/3708-117-0x0000000005040000-0x0000000005041000-memory.dmpFilesize
4KB