Analysis
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max time kernel
150s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 12:15
General
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Target
DHL SHIPPING DOCUMENTS.exe
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Size
413KB
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MD5
e23e136aa369ed40337780e8412de097
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SHA1
11e0a110b56219a177f9868fffbffe6b91b25edd
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SHA256
de0bc48e2efc61427a301db89cf4c3497e235cc0ef388db3a26ba94ac734de69
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SHA512
6ba7edb93d47d45cf58f944bf7df0dc4134cd10e58f38a26260132a5a36f1885b49aa378f8f8f5e787f13f94875cd1e555521dc30037a14eba3ba9695480bd31
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
montana.co.ke - Port:
587 - Username:
sales@montana.co.ke - Password:
67brooke66
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
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ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
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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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Adds Run key to start application 2 TTPs 1 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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 13 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\DHL SHIPPING DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENTS.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\OgbBhCJohnL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8D1.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DHL SHIPPING DOCUMENTS.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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\Temp\tmpF8D1.tmpFilesize
1KB
MD547f6c188b2ca128a17c06015ce5b013c
SHA1f5c36242e6322fea2dc2e631e62ad59bf59a2c8f
SHA256854bbe687525b8dc326119c6063b5cd2fa84f0f145235182900055d5815b423c
SHA512c326703ee6b62f7243d2063406f7bcaf3a3935b68a0d6bfcdd9edc0f3fbc7e6dd8786a9e967c7d8ebc6d91e8c34551a49a3708443a3d77ee4ab49d03ba6ac04b
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memory/304-54-0x0000000000250000-0x00000000002BE000-memory.dmpFilesize
440KB
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memory/304-55-0x00000000003B0000-0x00000000003C0000-memory.dmpFilesize
64KB
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memory/304-56-0x0000000001FA0000-0x0000000001FF6000-memory.dmpFilesize
344KB
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memory/1476-57-0x0000000000000000-mapping.dmp
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memory/2024-60-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2024-59-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2024-62-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2024-63-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2024-65-0x000000000044951E-mapping.dmp
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memory/2024-64-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2024-67-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2024-69-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2024-70-0x0000000075311000-0x0000000075313000-memory.dmpFilesize
8KB