Analysis
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max time kernel
133s -
max time network
90s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
19-01-2021 14:56
Static task
static1
Behavioral task
behavioral1
Sample
UsU2f18QuIdAe2U.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
UsU2f18QuIdAe2U.exe
Resource
win10v20201028
General
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Target
UsU2f18QuIdAe2U.exe
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Size
1.4MB
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MD5
ec5b95ff00f782aaca3f2df7ecb98a0e
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SHA1
0ce21c4a6fcf0d00db592c2cf14313530148040b
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SHA256
0c35e3200878064e8d41c8ad94b6984506eff466750222f8ce5e2ea961fd7d05
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SHA512
3057268e93f509701e7f6f7b647869eca5831bd15e214ba5f22eab579ccebea69ffefe0306f87f70b953b6e3eaedc5f4cf57fffa3a0a9587ce5819bdd7bcc791
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.cefortem.cat - Port:
587 - Username:
[email protected] - Password:
Vft284Rpyn
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3292-13-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3292-14-0x00000000004374DE-mapping.dmp family_agenttesla -
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
Processes:
UsU2f18QuIdAe2U.exedescription pid process target process PID 540 set thread context of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
UsU2f18QuIdAe2U.exeUsU2f18QuIdAe2U.exepid process 540 UsU2f18QuIdAe2U.exe 540 UsU2f18QuIdAe2U.exe 540 UsU2f18QuIdAe2U.exe 540 UsU2f18QuIdAe2U.exe 3292 UsU2f18QuIdAe2U.exe 3292 UsU2f18QuIdAe2U.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
UsU2f18QuIdAe2U.exeUsU2f18QuIdAe2U.exedescription pid process Token: SeDebugPrivilege 540 UsU2f18QuIdAe2U.exe Token: SeDebugPrivilege 3292 UsU2f18QuIdAe2U.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
UsU2f18QuIdAe2U.exepid process 3292 UsU2f18QuIdAe2U.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
UsU2f18QuIdAe2U.exedescription pid process target process PID 540 wrote to memory of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe PID 540 wrote to memory of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe PID 540 wrote to memory of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe PID 540 wrote to memory of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe PID 540 wrote to memory of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe PID 540 wrote to memory of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe PID 540 wrote to memory of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe PID 540 wrote to memory of 3292 540 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\UsU2f18QuIdAe2U.exe"C:\Users\Admin\AppData\Local\Temp\UsU2f18QuIdAe2U.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Users\Admin\AppData\Local\Temp\UsU2f18QuIdAe2U.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3292
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\UsU2f18QuIdAe2U.exe.logMD5
b4f7a6a57cb46d94b72410eb6a6d45a9
SHA169f3596ffa027202d391444b769ceea0ae14c5f7
SHA25623994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b
SHA512be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c
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memory/540-7-0x0000000005540000-0x0000000005541000-memory.dmpFilesize
4KB
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memory/540-10-0x0000000005930000-0x000000000593E000-memory.dmpFilesize
56KB
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memory/540-6-0x00000000059A0000-0x00000000059A1000-memory.dmpFilesize
4KB
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memory/540-2-0x0000000073520000-0x0000000073C0E000-memory.dmpFilesize
6.9MB
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memory/540-12-0x00000000087F0000-0x00000000087F1000-memory.dmpFilesize
4KB
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memory/540-9-0x00000000054B0000-0x00000000054B1000-memory.dmpFilesize
4KB
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memory/540-5-0x0000000007620000-0x00000000076A1000-memory.dmpFilesize
516KB
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memory/540-11-0x00000000086E0000-0x0000000008735000-memory.dmpFilesize
340KB
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memory/540-8-0x0000000005290000-0x0000000005291000-memory.dmpFilesize
4KB
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memory/540-3-0x00000000006D0000-0x00000000006D1000-memory.dmpFilesize
4KB
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memory/3292-14-0x00000000004374DE-mapping.dmp
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memory/3292-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3292-16-0x0000000073520000-0x0000000073C0E000-memory.dmpFilesize
6.9MB
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memory/3292-20-0x0000000005620000-0x0000000005621000-memory.dmpFilesize
4KB
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memory/3292-22-0x0000000005900000-0x0000000005901000-memory.dmpFilesize
4KB
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memory/3292-23-0x00000000061D0000-0x00000000061D1000-memory.dmpFilesize
4KB