Analysis
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max time kernel
136s -
max time network
25s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
09-07-2020 06:43
Static task
static1
Behavioral task
behavioral1
Sample
4543-7875-642.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
4543-7875-642.exe
Resource
win10
General
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Target
4543-7875-642.exe
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Size
888KB
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MD5
5dddba03976adec5181a7611a172fcde
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SHA1
ee4a200ce9d0d5a7f8eadcccf47c065afed399de
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SHA256
a2a8e595abb9d14bf0a84f49b0f81725925b19f14f0b06da5ab01b6eb4b9e7e9
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SHA512
1eac187fe58daa7b7135bcd78c1daee884bb14709b4594bab501b8f2170b315abe295c1f57381044986e549da2f3f3226add9608fb2a0be6e6e7265936faa3fd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
08140480968Ju@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1800-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1800-3-0x0000000000446B1E-mapping.dmp family_agenttesla behavioral1/memory/1800-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1800-5-0x0000000000400000-0x000000000044C000-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:
4543-7875-642.exedescription pid process target process PID 1432 set thread context of 1800 1432 4543-7875-642.exe 4543-7875-642.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
4543-7875-642.exe4543-7875-642.exepid process 1432 4543-7875-642.exe 1800 4543-7875-642.exe 1800 4543-7875-642.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
4543-7875-642.exe4543-7875-642.exedescription pid process Token: SeDebugPrivilege 1432 4543-7875-642.exe Token: SeDebugPrivilege 1800 4543-7875-642.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
4543-7875-642.exepid process 1800 4543-7875-642.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
4543-7875-642.exedescription pid process target process PID 1432 wrote to memory of 1784 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1784 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1784 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1784 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe PID 1432 wrote to memory of 1800 1432 4543-7875-642.exe 4543-7875-642.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4543-7875-642.exe"C:\Users\Admin\AppData\Local\Temp\4543-7875-642.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Users\Admin\AppData\Local\Temp\4543-7875-642.exe"{path}"2⤵PID:1784
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C:\Users\Admin\AppData\Local\Temp\4543-7875-642.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1800