Analysis
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max time kernel
89s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
30-03-2023 11:56
General
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Target
z1REF-0010.exe
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Size
792KB
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MD5
b5c1249537988459774956c23328415f
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SHA1
1b9c88057ce90f1a2b0630b25898d157c2d24a76
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SHA256
d5d1d16158e09ec1c96be32068355ad3818c43afef21eaa27490b78b107a65f3
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SHA512
a7d16a8926f5ebc8e5858a596196536b0a5a868e5068c847d4bcd1af61a2e2b8f16d943d1420f022737997325c6e4e5e90fcb126ee15902051d53d6bb7181fbb
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SSDEEP
12288:FGxdYxSbGdHABLqc+pHmWBeMk9STzQUcMHoscx1z80Z9zrF29CW:FddgBmc+B/kiRu8W912oW
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.experthvac.ro - Port:
21 - Username:
[email protected] - Password:
-8{jszMOY*Z8(~Za0#jyP%o7VoB.0)kk^)7_
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 9 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\z1REF-0010.exe"C:\Users\Admin\AppData\Local\Temp\z1REF-0010.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\z1REF-0010.exe"C:\Users\Admin\AppData\Local\Temp\z1REF-0010.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/700-69-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/700-67-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/700-72-0x0000000004E30000-0x0000000004E70000-memory.dmpFilesize
256KB
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memory/700-70-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/700-68-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/700-66-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/700-65-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/700-64-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/700-73-0x0000000004E30000-0x0000000004E70000-memory.dmpFilesize
256KB
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memory/700-71-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1260-61-0x0000000004AB0000-0x0000000004AF0000-memory.dmpFilesize
256KB
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memory/1260-60-0x0000000004AB0000-0x0000000004AF0000-memory.dmpFilesize
256KB
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memory/1260-59-0x0000000004AB0000-0x0000000004AF0000-memory.dmpFilesize
256KB
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memory/1260-55-0x0000000004AB0000-0x0000000004AF0000-memory.dmpFilesize
256KB
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memory/1260-58-0x0000000004AB0000-0x0000000004AF0000-memory.dmpFilesize
256KB
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memory/1260-54-0x0000000000CB0000-0x0000000000D7C000-memory.dmpFilesize
816KB
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memory/1260-57-0x0000000000330000-0x0000000000348000-memory.dmpFilesize
96KB
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memory/1260-63-0x00000000003E0000-0x00000000003E6000-memory.dmpFilesize
24KB
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memory/1260-56-0x0000000000BB0000-0x0000000000BFA000-memory.dmpFilesize
296KB
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memory/1260-62-0x0000000000380000-0x000000000039A000-memory.dmpFilesize
104KB