Analysis
- max time kernel
17s - max time network
17s - platform
windows7_x64 - resource
win7v200722 - submitted
22/10/2020, 06:36
Static task
static1
Behavioral task
behavioral1
Sample
1x40,MC, 910159447-MIRAI Signed.pdf.exe
Resource
win7v200722
0 signatures
0 seconds
General
- Target 1x40,MC, 910159447-MIRAI Signed.pdf.exe
- Size 403KB
- Sample201022-c8tr3eer2s
- SHA256 fa5850a0ba8809631d4e3f5a3f8cafa133b3d6ae37088eeb934ec13d1bc9f368
- MD5 0b8b539ff932ee7d37b7dfc04b3cb46e
- SHA1 fce6a57c19494171756dea68633c22d4982d7cc0
- SHA512 9e59a6f4aec40f06c9c4044d8d9d4dca74e8fd841e32a5c8c427cc908bf3b33dd01416a251dd2e821a83bb41b8a07c3166d3ad3eaab061202c12b5b8569af671
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
remcos
C2
-
petroleum.sytes.net:3014
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe 1x40,MC, 910159447-MIRAI Signed.pdf.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 836 set thread context of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 1684 set thread context of 1548 1684 RegAsm.exe 29 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 836 wrote to memory of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 836 wrote to memory of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 836 wrote to memory of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 836 wrote to memory of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 836 wrote to memory of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 836 wrote to memory of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 836 wrote to memory of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 836 wrote to memory of 1684 836 1x40,MC, 910159447-MIRAI Signed.pdf.exe 28 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29 PID 1684 wrote to memory of 1548 1684 RegAsm.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\1x40,MC, 910159447-MIRAI Signed.pdf.exe"C:\Users\Admin\AppData\Local\Temp\1x40,MC, 910159447-MIRAI Signed.pdf.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:836 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵PID:1548
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