Analysis
- max time kernel
148s - max time network
194s - platform
windows7_x64 - resource
win7v20210408 - submitted
22/06/2021, 07:38
Static task
static1
Behavioral task
behavioral1
Sample
da37656f71601d9b59eaf8a9618f4817.exe
Resource
win7v20210408
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
da37656f71601d9b59eaf8a9618f4817.exe
Resource
win10v20210410
0 signatures
0 seconds
General
- Target da37656f71601d9b59eaf8a9618f4817.exe
- Size 2.7MB
- Sample210622-cm79dsvzaa
- SHA256 9dd91a17703dba0d4582e24431c17eac4fdca602ea8d14f4f43afcc2657b3bbc
- MD5 da37656f71601d9b59eaf8a9618f4817
- SHA1 ee10d5a43c23e1af3eea75fe097baaf9b7004de1
- SHA512 87f67608d9b6a9d7c1182364924b61e6407faf5278ddc1d6755d67e6e1c9fe6eaef3d1296bd64ae6aa2da0fcad53094dd6429f15b5a0a339b3e2717083c79302
- MD5 SHA1 SHA512
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 456 schtasks.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1220 da37656f71601d9b59eaf8a9618f4817.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1220 wrote to memory of 456 1220 da37656f71601d9b59eaf8a9618f4817.exe 30 PID 1220 wrote to memory of 456 1220 da37656f71601d9b59eaf8a9618f4817.exe 30 PID 1220 wrote to memory of 456 1220 da37656f71601d9b59eaf8a9618f4817.exe 30 PID 1016 wrote to memory of 968 1016 taskeng.exe 33 PID 1016 wrote to memory of 968 1016 taskeng.exe 33 PID 1016 wrote to memory of 968 1016 taskeng.exe 33 PID 1016 wrote to memory of 1760 1016 taskeng.exe 34 PID 1016 wrote to memory of 1760 1016 taskeng.exe 34 PID 1016 wrote to memory of 1760 1016 taskeng.exe 34 PID 1016 wrote to memory of 1268 1016 taskeng.exe 35 PID 1016 wrote to memory of 1268 1016 taskeng.exe 35 PID 1016 wrote to memory of 1268 1016 taskeng.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exe"C:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Videocard Service" /tr "C:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exe" /f2⤵
- Creates scheduled task(s)
PID:456
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C:\Windows\system32\taskeng.exetaskeng.exe {790EA828-849C-44AB-954E-8BC37D0DC8C7} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exeC:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exe2⤵PID:968
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C:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exeC:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exe2⤵PID:1760
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C:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exeC:\Users\Admin\AppData\Local\Temp\da37656f71601d9b59eaf8a9618f4817.exe2⤵PID:1268
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