Analysis
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max time kernel
56s -
max time network
38s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
28-10-2023 01:26
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20231023-en
General
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Target
file.exe
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Size
299KB
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MD5
41b883a061c95e9b9cb17d4ca50de770
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SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad
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SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408
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SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319
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SSDEEP
6144:2neDcgRQv5VaNT9DW7a6dtM9VstSttuvqIT:2O0v5VuT9DW7hdt9tKt2qI
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
mstsca.exepid process 2300 mstsca.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
file.exedescription pid process target process PID 1556 set thread context of 412 1556 file.exe file.exe -
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 use of WriteProcessMemory 12 IoCs
Processes:
file.exefile.exedescription pid process target process PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 1556 wrote to memory of 412 1556 file.exe file.exe PID 412 wrote to memory of 4564 412 file.exe schtasks.exe PID 412 wrote to memory of 4564 412 file.exe schtasks.exe PID 412 wrote to memory of 4564 412 file.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:412 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"3⤵
- Creates scheduled task(s)
PID:4564
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
PID:2300
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
299KB
MD541b883a061c95e9b9cb17d4ca50de770
SHA11daf96ec21d53d9a4699cea9b4db08cda6fbb5ad
SHA256fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408
SHA512cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319
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Filesize
299KB
MD541b883a061c95e9b9cb17d4ca50de770
SHA11daf96ec21d53d9a4699cea9b4db08cda6fbb5ad
SHA256fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408
SHA512cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319