Analysis
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max time kernel
124s -
max time network
127s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
19-10-2021 11:43
General
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Target
vaccination-certificate.pdf.exe
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Size
308KB
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MD5
6573f8a43ed03a44c90ae4b2f24731b1
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SHA1
4a91bbb558f5e91644e2d1cf97102a8ddba7646f
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SHA256
f18a287530626a1d2ce3d73394f16cd7d5e2b8cf261c21e8c53bae9c48a5b610
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SHA512
ea364baa2b9acace5766564538b5fa212411eb38055292b83b38d806e07390d6eec0393f0a5ef3be4f9c5086a9928804ccb8eb4585270eb1a32c3848de522fb2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dipiluminacion.com - Port:
587 - Username:
[email protected] - Password:
icui4cu2@@
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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Loads dropped DLL 1 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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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\vaccination-certificate.pdf.exe"C:\Users\Admin\AppData\Local\Temp\vaccination-certificate.pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vaccination-certificate.pdf.exe"C:\Users\Admin\AppData\Local\Temp\vaccination-certificate.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nsaF743.tmp\qpdxdeahmn.dllMD5
8808b53b862e4e24374a449f03b971c0
SHA126da682c2feeab114ae5dc2bfe0abaa6c068a6e4
SHA2566ad4ced0975e95f8165a13eac1ff3b55ec9f115854ca66a023a7d1c9e31e62bd
SHA5127eb5af70e87398c1310b9c5c807d2de13f4b4917701a98070f00a4120e5fd45f0a3e196a14670ba1e45c6529d7ce5443e7dede888f24511d283949b0a44cef03
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memory/4360-116-0x0000000000400000-0x000000000044B000-memory.dmpFilesize
300KB
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memory/4360-117-0x000000000040188B-mapping.dmp
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memory/4360-118-0x0000000000400000-0x000000000044B000-memory.dmpFilesize
300KB
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memory/4360-119-0x0000000002420000-0x0000000002456000-memory.dmpFilesize
216KB
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memory/4360-121-0x0000000004990000-0x0000000004991000-memory.dmpFilesize
4KB
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memory/4360-123-0x00000000022E2000-0x00000000022E3000-memory.dmpFilesize
4KB
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memory/4360-122-0x00000000022E0000-0x00000000022E1000-memory.dmpFilesize
4KB
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memory/4360-125-0x00000000022E4000-0x00000000022E5000-memory.dmpFilesize
4KB
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memory/4360-124-0x00000000022E3000-0x00000000022E4000-memory.dmpFilesize
4KB
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memory/4360-126-0x0000000004FB0000-0x0000000004FB1000-memory.dmpFilesize
4KB
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memory/4360-127-0x00000000058F0000-0x00000000058F1000-memory.dmpFilesize
4KB
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memory/4360-128-0x0000000005920000-0x0000000005921000-memory.dmpFilesize
4KB
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memory/4360-129-0x0000000005710000-0x0000000005711000-memory.dmpFilesize
4KB
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memory/4360-130-0x0000000000870000-0x0000000000871000-memory.dmpFilesize
4KB