Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
16-12-2024 12:43
General
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Target
PO.bat.exe
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Size
760KB
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MD5
e66902c532dd0fd4f019200e4599f17c
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SHA1
6306e266e3d9dcd3671aa81f77bb7502e3ae76ff
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SHA256
81c7f5b291b1fcd6d64f7f12208b0134a8462f156dbda97188ec0ba5ff869478
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SHA512
bfc0fb98f0921f370e55fc8d9ad8cd79c0280e0de9e6a49fb28cac5eebdf28e6bf14c5f1b94c23405dd387e5495c5f754568b20600ee7fd449a123a14a3b756d
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SSDEEP
12288:9s6eULcXcekO8cHzf2l4t5musvXsD6En3kV117Dd:MMetHzf2l4KvXgn3kJ7Dd
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.concaribe.com - Port:
21 - Username:
[email protected] - Password:
ro}UWgz#!38E
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 10 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 3 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 2 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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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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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 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.bat.exe"C:\Users\Admin\AppData\Local\Temp\PO.bat.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO.bat.exe"C:\Users\Admin\AppData\Local\Temp\PO.bat.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5KB
MD5174708997758321cf926b69318c6c3f5
SHA1645488089bf320f6864e0d0bc284c85216e56fbd
SHA256f577b66492e97c7b8bf515398d8deb745abafd74f56fc03e67fce248ebbeb873
SHA512214433597e04ca1ff9b4fe092d5d2997707a7c56f0f82c85d586088a200e4455028f3b9427d87b4f06f9252557d5be4b7a9138ea6a8d045df6209421fd8ca054
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Filesize
11KB
MD50ff2d70cfdc8095ea99ca2dabbec3cd7
SHA110c51496d37cecd0e8a503a5a9bb2329d9b38116
SHA256982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
SHA512cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e
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Filesize
18.3MB
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Filesize
1.1MB
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Filesize
40KB
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Filesize
584KB
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Filesize
320KB
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Filesize
18.0MB
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Filesize
4KB
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Filesize
4KB
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Filesize
18.0MB
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Filesize
408KB
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Filesize
5.6MB
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Filesize
264KB
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Filesize
18.0MB
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Filesize
1.1MB
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Filesize
18.0MB
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Filesize
18.0MB
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Filesize
4KB