Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
27-05-2024 06:43
General
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Target
doc0029388484859996.bat.exe
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Size
520KB
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MD5
a3b9350d1b3df23db1b51c290b4af29d
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SHA1
81a32852f02c2602f3c60094fe7c339225fc115b
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SHA256
5046cb3e7954bc8bc9c76603bb1be13d3e1839cb57b5fbcad1e0008d0aa2e5e3
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SHA512
c39a2004db216d4851a7a06bc4916ce23e3c74d164c127440b38e8d7e1c4525d332790fd0d6137a8956d7efae1f6320862d84d3dc07673f6e43edb34ea23d9c7
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SSDEEP
12288:karCpZAGA6yYsKAtOw+Qe4NigsmhhygoRu6X1:1rozA6z0t+Qe4vsYySG1
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.dachangshelving.id - Port:
21 - Username:
[email protected] - Password:
boygirl123456
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Loads dropped DLL 1 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 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).
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Suspicious behavior: EnumeratesProcesses 2 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 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\doc0029388484859996.bat.exe"C:\Users\Admin\AppData\Local\Temp\doc0029388484859996.bat.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\doc0029388484859996.bat.exe"C:\Users\Admin\AppData\Local\Temp\doc0029388484859996.bat.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\rasterside.iniFilesize
39B
MD5dc764daea004e907e2a4076dc2e81dce
SHA164cc2f14c8426031e8fe9995da24887ff5beec97
SHA2568a3dd54acac47298afa45e7048a9297f897e35cb351e511fbe5a421b1ed6523d
SHA512f03e8c65e1974e8bc1608e292a9898054c791b5e8505b8bbd5f9eb832cd414c3fb19f7e328286984cc73a07937d60731dd00f20c3e31db77245a2f178e5bf257
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\Users\Admin\AppData\Local\Temp\nso2251.tmp\System.dllFilesize
11KB
MD5fbe295e5a1acfbd0a6271898f885fe6a
SHA1d6d205922e61635472efb13c2bb92c9ac6cb96da
SHA256a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
SHA5122cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06
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memory/1712-41-0x00000000772B1000-0x00000000773B2000-memory.dmpFilesize
1.0MB
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memory/1712-42-0x00000000772B0000-0x0000000077459000-memory.dmpFilesize
1.7MB
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memory/2732-43-0x00000000772B0000-0x0000000077459000-memory.dmpFilesize
1.7MB
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memory/2732-44-0x0000000000470000-0x00000000014D2000-memory.dmpFilesize
16.4MB
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memory/2732-45-0x0000000000470000-0x00000000014D2000-memory.dmpFilesize
16.4MB
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memory/2732-46-0x0000000000470000-0x00000000004B2000-memory.dmpFilesize
264KB