Analysis
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max time kernel
90s -
max time network
114s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
26-02-2021 07:13
General
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Target
SC_(~0778965435~)pdf.exe
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 1 IoCs
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Loads dropped DLL 2 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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Adds Run key to start application 2 TTPs 2 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 10 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SC_(~0778965435~)pdf.exe"C:\Users\Admin\AppData\Local\Temp\SC_(~0778965435~)pdf.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SC_(~0778965435~)pdf.exe"C:\Users\Admin\AppData\Local\Temp\SC_(~0778965435~)pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\1v352wo7.dllMD5
52ec46bbf6b2388a0cfd7a18154874ce
SHA11bb4111231629e0d4834b347a8f144c7609ac3a2
SHA2562d2eda8bb0767544a39b6629004faa02eb0fc319ec9786903072b725f5b84ad3
SHA51263f5ce00631495e31aa8f6db450f5d3b70e7194ea49c3d863cc0f3b7c159a99746a791003ee9c00f117f29bdf187756c6d58587ec8c3d9644aaf7b719c45d524
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\Users\Admin\AppData\Local\Temp\nsd357E.tmp\System.dllMD5
fccff8cb7a1067e23fd2e2b63971a8e1
SHA130e2a9e137c1223a78a0f7b0bf96a1c361976d91
SHA2566fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
SHA512f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c
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memory/1480-4-0x000000000040188B-mapping.dmp
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memory/1480-5-0x0000000000400000-0x000000000044B000-memory.dmpFilesize
300KB
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memory/1480-6-0x00000000022F0000-0x00000000022F1000-memory.dmpFilesize
4KB
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memory/1480-7-0x00000000022F1000-0x00000000022F2000-memory.dmpFilesize
4KB
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memory/1480-8-0x00000000022F2000-0x00000000022F4000-memory.dmpFilesize
8KB
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memory/1480-9-0x00000000022F7000-0x00000000022F8000-memory.dmpFilesize
4KB
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memory/1480-10-0x00000000022F8000-0x00000000022F9000-memory.dmpFilesize
4KB
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memory/1480-11-0x00000000022FD000-0x00000000022FF000-memory.dmpFilesize
8KB