Analysis
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max time kernel
149s -
max time network
9s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-01-2021 12:34
General
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Target
Revise Bank Details_pdf.exe
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Size
1.1MB
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MD5
6b570822192f820d570e27f48a611a68
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SHA1
ab68cf415bfafbb0653a2e4bff91b419242f960a
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SHA256
d772a7709f4e53addd0e12c3bdbd5759f75ce4792131004947480c84160b4a6a
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SHA512
70ff769e953ce3bef0ed6a87f773e82b471143128283885b2949deac09f1ad18e80dc0ac2f31861206367900eb5ba5f973c4faaed875ebeb518f1e6068fb916c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
barclays247.com - Port:
587 - Username:
[email protected] - Password:
kenny@12345
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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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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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 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Revise Bank Details_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Revise Bank Details_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CFyuvVlXJBe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD01B.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Revise Bank Details_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Revise Bank Details_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpD01B.tmpMD5
ffbd1536b87b412dd36678d48232a6e7
SHA1512af7d4bd2b091ae0635bc5b1b275c706491d2d
SHA25671bc0db0b14a763f7e50ec7883fd8cdadd87fe5d5ef53cb94ddd03bdb7f07a2f
SHA512d833eee6091f814f94291a8c8df80f8849170a46771a1ba37ed1999447190931a39948e58634418827fa6ba6ce716be27db4fae9d6ad4ded68de8717725a582a
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memory/268-8-0x0000000000000000-mapping.dmp
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memory/576-12-0x00000000741A0000-0x000000007488E000-memory.dmpFilesize
6.9MB
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memory/576-10-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/576-11-0x000000000043763E-mapping.dmp
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memory/576-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/576-15-0x0000000004A00000-0x0000000004A01000-memory.dmpFilesize
4KB
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memory/576-16-0x0000000004A01000-0x0000000004A02000-memory.dmpFilesize
4KB
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memory/1740-6-0x0000000000480000-0x0000000000481000-memory.dmpFilesize
4KB
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memory/1740-7-0x0000000005010000-0x000000000507C000-memory.dmpFilesize
432KB
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memory/1740-5-0x0000000000510000-0x0000000000513000-memory.dmpFilesize
12KB
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memory/1740-3-0x0000000001370000-0x0000000001371000-memory.dmpFilesize
4KB
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memory/1740-2-0x00000000741A0000-0x000000007488E000-memory.dmpFilesize
6.9MB