Analysis
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max time kernel
133s -
max time network
122s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-01-2021 14:20
Static task
static1
Behavioral task
behavioral1
Sample
74tF1foMeQyUMCh.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
74tF1foMeQyUMCh.exe
Resource
win10v20201028
General
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Target
74tF1foMeQyUMCh.exe
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Size
764KB
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MD5
350c227dfc45a79250d681348f5ad96a
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SHA1
8aa4e6ca4c377f51e714798a93c95d9bd13a2e71
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SHA256
23efc97e61f8218480cd1b89de603d517f0b31ee4fe9e2bf1f83bcb38e242827
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SHA512
a948ea31cd103354376a254341354aaa2929822d944238564f33f004a6ce866934af41d1cf8959106415ee7e3d6754e0165daf459daf9cc28ec80c2429d2ef42
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 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1564-8-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1564-9-0x00000000004374DE-mapping.dmp family_agenttesla behavioral1/memory/1564-11-0x0000000000400000-0x000000000043C000-memory.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:
74tF1foMeQyUMCh.exedescription pid process target process PID 1732 set thread context of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
74tF1foMeQyUMCh.exepid process 1564 74tF1foMeQyUMCh.exe 1564 74tF1foMeQyUMCh.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
74tF1foMeQyUMCh.exedescription pid process Token: SeDebugPrivilege 1564 74tF1foMeQyUMCh.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
74tF1foMeQyUMCh.exepid process 1564 74tF1foMeQyUMCh.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
74tF1foMeQyUMCh.exedescription pid process target process PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe PID 1732 wrote to memory of 1564 1732 74tF1foMeQyUMCh.exe 74tF1foMeQyUMCh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\74tF1foMeQyUMCh.exe"C:\Users\Admin\AppData\Local\Temp\74tF1foMeQyUMCh.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Users\Admin\AppData\Local\Temp\74tF1foMeQyUMCh.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1564
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1564-8-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1564-9-0x00000000004374DE-mapping.dmp
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memory/1564-10-0x0000000074120000-0x000000007480E000-memory.dmpFilesize
6.9MB
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memory/1564-11-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1564-13-0x0000000004B50000-0x0000000004B51000-memory.dmpFilesize
4KB
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memory/1564-14-0x0000000004B51000-0x0000000004B52000-memory.dmpFilesize
4KB
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memory/1732-2-0x0000000074120000-0x000000007480E000-memory.dmpFilesize
6.9MB
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memory/1732-3-0x0000000001060000-0x0000000001061000-memory.dmpFilesize
4KB
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memory/1732-5-0x0000000004CA0000-0x0000000004CA1000-memory.dmpFilesize
4KB
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memory/1732-6-0x00000000004D0000-0x00000000004DE000-memory.dmpFilesize
56KB
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memory/1732-7-0x0000000005690000-0x0000000005739000-memory.dmpFilesize
676KB