cobaltstrike | de5657a1ede1fbfdc70912bdd28a53ca71cf1a113ad7431c53b51a2ae6bd4dac | Triage

Analysis

max time kernel
15s
max time network
113s
platform
windows10_x64
resource
win10v20201028
submitted
17-11-2020 11:27

Sharing

Report Analysis Logs

General

Target

8ea1556e8dc87bb4fc2422a2b3877bbf.dll
Size

204KB
MD5

f679cea11d6b8faa40a2b0b9ac7d7510
SHA1

96288ccf9600eb1f8d5021693d296d8e3e2a317a
SHA256

de5657a1ede1fbfdc70912bdd28a53ca71cf1a113ad7431c53b51a2ae6bd4dac
SHA512

244ea55c6ed26eac089c4320a30913ca714396bc07b558fead034eb869c1becf43d6f1718ca925d7bc0bc60636730364a76b4099479bf4f2cd1e1dd411f98b3c

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2796 2620 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe
2796	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2796 WerFault.exe
Token: SeBackupPrivilege 2796 WerFault.exe
Token: SeDebugPrivilege 2796 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3372 wrote to memory of 2620	3372	rundll32.exe	rundll32.exe
PID 3372 wrote to memory of 2620	3372	rundll32.exe	rundll32.exe
PID 3372 wrote to memory of 2620	3372	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea1556e8dc87bb4fc2422a2b3877bbf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3372

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea1556e8dc87bb4fc2422a2b3877bbf.dll,#1
2⤵
PID:2620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 648
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2796

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2620-0-0x0000000000000000-mapping.dmp

Download
memory/2620-2-0x0000000000000000-mapping.dmp

Download
memory/2620-3-0x0000000000000000-mapping.dmp

Download
memory/2620-4-0x0000000000000000-mapping.dmp

Download
memory/2796-1-0x00000000047C0000-0x00000000047C1000-memory.dmp

Filesize
4KB

Download
memory/2796-5-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download