Analysis
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max time kernel
90s -
max time network
54s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
07-07-2020 15:37
Static task
static1
Behavioral task
behavioral1
Sample
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe
Resource
win10
General
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Target
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe
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Size
549KB
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MD5
199ea7a5bb866bc8d6abd64d6aed6355
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SHA1
bcb3a35ac77d85e2b53be7e671554d76a91ef315
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SHA256
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba
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SHA512
99f1759ef750bc840c525c65d1289e94bf3c1e2e2e3b5a6f14223c7a79578b16eede76e93655cba7fcdd88cedcd1af01f3f3ddd7530b5b44717942c909ea86e6
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
5@!))(3gvE7
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/1364-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1364-5-0x00000000004472CE-mapping.dmp family_agenttesla behavioral1/memory/1364-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1364-7-0x0000000000400000-0x000000000044C000-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:
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exedescription pid process target process PID 1388 set thread context of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exepid process 1364 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 1364 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exedescription pid process Token: SeDebugPrivilege 1364 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exepid process 1364 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exedescription pid process target process PID 1388 wrote to memory of 1048 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe schtasks.exe PID 1388 wrote to memory of 1048 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe schtasks.exe PID 1388 wrote to memory of 1048 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe schtasks.exe PID 1388 wrote to memory of 1048 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe schtasks.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe PID 1388 wrote to memory of 1364 1388 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe 634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe"C:\Users\Admin\AppData\Local\Temp\634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pGUzlwtNm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFCA.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpEFCA.tmpMD5
edb9bc1198fd5ceb0229cf399cb8d1af
SHA1a07c5ab50727a89fe2e4240967a4869e25c94925
SHA2566466d373ae8ee7f551cd81cf862d2adeb7585d5058f8504df0fd3108fc524eed
SHA5126a427fa949ea700597b8f8f9e745d6d988f0c2299628c19490db0abd2b20cd90471ba6ad0135f5cf8cdc134ea4791ba49768121cba941dc565ecf47586791132
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memory/1048-2-0x0000000000000000-mapping.dmp
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memory/1364-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1364-5-0x00000000004472CE-mapping.dmp
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memory/1364-6-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1364-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1388-1-0x0000000000000000-0x0000000000000000-disk.dmp