Analysis
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max time kernel
93s -
max time network
136s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
20-10-2021 11:57
General
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Target
20211020 Copy of Customer transfer.exe
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Size
518KB
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MD5
8c8822a2a0b6329a010fa758ee7f3504
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SHA1
387e696061c2cbd9c492e19dca1b5a427ef3eb82
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SHA256
608662439f0e1f66bdaf62c1e0167a4e9d51c7aeabc8367b94c0f0b88daf2bb2
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SHA512
cc7078dab3f65ecf176c8fd0d0e88971e935fdde1267eb2720b481f54e531ffc49d6fabb4f713c61acaab4571efc5ab7f559e61c10a5ee458f25f225dca20b0d
Malware Config
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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Loads dropped DLL 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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 10 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\20211020 Copy of Customer transfer.exe"C:\Users\Admin\AppData\Local\Temp\20211020 Copy of Customer transfer.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\20211020 Copy of Customer transfer.exe"C:\Users\Admin\AppData\Local\Temp\20211020 Copy of Customer transfer.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
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Downloads
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\Users\Admin\AppData\Local\Temp\nsiE466.tmp\zsltqlmmr.dllMD5
b4ca995a4d74ca142bf15eb1db804e8c
SHA19f7dad03725c71a598359215d153a3906ede0e03
SHA2565ea65656cad334963949bd2ba8f8603090e6dbfc499cb7b802dd0e5a16197572
SHA51247b51f6c060369de1066d5ad1682620a602642a8d4290ff64857e8f614538a330f8155fb58577894e78dff7d0a33171cada2571cff1df600c4446d2bdcd6c389
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memory/3608-116-0x0000000000400000-0x000000000044B000-memory.dmpFilesize
300KB
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memory/3608-117-0x000000000040188B-mapping.dmp
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memory/3608-118-0x0000000000400000-0x000000000044B000-memory.dmpFilesize
300KB
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memory/3608-119-0x00000000021D0000-0x00000000021D1000-memory.dmpFilesize
4KB
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memory/3608-120-0x00000000021D1000-0x00000000021D2000-memory.dmpFilesize
4KB
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memory/3608-121-0x00000000021D2000-0x00000000021D4000-memory.dmpFilesize
8KB
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memory/3608-123-0x00000000021D8000-0x00000000021D9000-memory.dmpFilesize
4KB
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memory/3608-122-0x00000000021D7000-0x00000000021D8000-memory.dmpFilesize
4KB
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memory/3608-124-0x00000000021DD000-0x00000000021DF000-memory.dmpFilesize
8KB