Analysis
- max time kernel
132s - max time network
115s - platform
windows10_x64 - resource
win10 - submitted
04/08/2020, 13:31
Static task
static1
Behavioral task
behavioral1
Sample
new purchase order No 0696846238 9684753285.exe
Resource
win7v200722
0 signatures
0 seconds
General
- Target new purchase order No 0696846238 9684753285.exe
- Size 876KB
- Sample200804-anxfs63fds
- SHA256 9d9739b817d35a815e89c74d8e04d1571e5591de09ca6e8d7a634b140db45605
- MD5 2149d478dc2ab312f830411d32e49332
- SHA1 f9aad7b7e770f52467151f85ecda69bda14ed25c
- SHA512 640e10c8e926aaa014c2a160f5ec4e91f5ae8093b0f3cd5077db884c48761c0b83068254e64ee36393d9482fc554d631d9ec558804b3a9279deb5015416510e4
- MD5 SHA1 SHA512
Malware Config
Signatures
- Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3588 wrote to memory of 3948 3588 new purchase order No 0696846238 9684753285.exe 67 PID 3588 wrote to memory of 3948 3588 new purchase order No 0696846238 9684753285.exe 67 PID 3588 wrote to memory of 3948 3588 new purchase order No 0696846238 9684753285.exe 67 PID 3588 wrote to memory of 3948 3588 new purchase order No 0696846238 9684753285.exe 67 PID 3588 wrote to memory of 3948 3588 new purchase order No 0696846238 9684753285.exe 67 - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3948 new purchase order No 0696846238 9684753285.exe 3948 new purchase order No 0696846238 9684753285.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 new purchase order No 0696846238 9684753285.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 new purchase order No 0696846238 9684753285.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cpsu = "C:\\Users\\Admin\\AppData\\Local\\Cpsu.url" new purchase order No 0696846238 9684753285.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3588 set thread context of 3948 3588 new purchase order No 0696846238 9684753285.exe 67 PID 3948 set thread context of 2972 3948 new purchase order No 0696846238 9684753285.exe 56 PID 3948 set thread context of 2972 3948 new purchase order No 0696846238 9684753285.exe 56 - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3948 new purchase order No 0696846238 9684753285.exe 3948 new purchase order No 0696846238 9684753285.exe 3948 new purchase order No 0696846238 9684753285.exe 3948 new purchase order No 0696846238 9684753285.exe 3948 new purchase order No 0696846238 9684753285.exe 3948 new purchase order No 0696846238 9684753285.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3948 new purchase order No 0696846238 9684753285.exe Token: SeShutdownPrivilege 2972 Explorer.EXE Token: SeCreatePagefilePrivilege 2972 Explorer.EXE Token: SeShutdownPrivilege 2972 Explorer.EXE Token: SeCreatePagefilePrivilege 2972 Explorer.EXE - Formbook Payload 3 IoCs
resource yara_rule behavioral2/memory/3948-1-0x000000000041CB00-mapping.dmp formbook behavioral2/memory/3948-0-0x0000000000400000-0x0000000000428000-memory.dmp formbook behavioral2/memory/3948-0-0x0000000000400000-0x0000000000428000-memory.dmp formbook
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2972 -
C:\Users\Admin\AppData\Local\Temp\new purchase order No 0696846238 9684753285.exe"C:\Users\Admin\AppData\Local\Temp\new purchase order No 0696846238 9684753285.exe"2⤵
- Suspicious use of WriteProcessMemory
- Modifies system certificate store
- Adds Run key to start application
- Suspicious use of SetThreadContext
PID:3588 -
C:\Users\Admin\AppData\Local\Temp\new purchase order No 0696846238 9684753285.exe"C:\Users\Admin\AppData\Local\Temp\new purchase order No 0696846238 9684753285.exe"3⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3948
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