cobaltstrike | 2dc66a39b022a2c750a9ae839b2f8d9681e34315b31c560381e05a1913a7851c

Analysis

Target

blobrunner_03600000_stripped.bin.dll
Size

4.0MB
MD5

cd132f454eb5fcdf1fe75541ac864d14
SHA1

a2d9ae828b3dd7986d4537266f0e7d9a6a19a533
SHA256

2dc66a39b022a2c750a9ae839b2f8d9681e34315b31c560381e05a1913a7851c
SHA512

5261f0e52dab79046bdc2159cfd2b4aab27c3284901bacd2e677542a8f8aef4f13ab6084850ea56ad05058d2b6b361292d1d17aab8f3483ab6411a9bad2d0d9f

Score

10^/10

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike

ServiceHost packer 4 IoCs

Detects ServiceHost packer used for .NET malware

Processes:

resource	yara_rule
behavioral2/memory/1768-5-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/1768-4-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/1768-6-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/1768-7-0x0000000000000000-mapping.dmp	servicehost

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1932 1768 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1932	1768	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1932 WerFault.exe
Token: SeBackupPrivilege 1932 WerFault.exe
Token: SeDebugPrivilege 1932 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 972 wrote to memory of 1768	972	rundll32.exe	rundll32.exe
PID 972 wrote to memory of 1768	972	rundll32.exe	rundll32.exe
PID 972 wrote to memory of 1768	972	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\blobrunner_03600000_stripped.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:972

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\blobrunner_03600000_stripped.bin.dll,#1
2⤵
PID:1768

memory/1768-2-0x0000000000000000-mapping.dmp

Download
memory/1768-5-0x0000000000000000-mapping.dmp

Download
memory/1768-4-0x0000000000000000-mapping.dmp

Download
memory/1768-6-0x0000000000000000-mapping.dmp

Download
memory/1768-7-0x0000000000000000-mapping.dmp

Download
memory/1932-3-0x00000000043D0000-0x00000000043D1000-memory.dmp

Filesize
4KB

Download
memory/1932-8-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download