cobaltstrike | 4b4d7574afacea74d40b1e74c0c9ad558657497c9ecc4f83f3eff217a127838b | Triage

Analysis

max time kernel
62s
max time network
122s
platform
windows10_x64
resource
win10v20201028
submitted
17-11-2020 15:38

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General

Target

c297312e3cc81d0e9e48786424adf6ec.dll
Size

206KB
MD5

d47bcabcc490354820ddda8a493f4ada
SHA1

32de7d23179004bc503dff210fbce9d876f60031
SHA256

4b4d7574afacea74d40b1e74c0c9ad558657497c9ecc4f83f3eff217a127838b
SHA512

0d094e50383d0ca95ffc5f5feaac90c023cd6160763be0de96547e2c20d1d6e099f27c56bbb011f885a962431d6f8419fd084ec732098842b0f444162889c980

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

5088 4724 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe
5088	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 5088 WerFault.exe
Token: SeBackupPrivilege 5088 WerFault.exe
Token: SeDebugPrivilege 5088 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4676 wrote to memory of 4724	4676	rundll32.exe	rundll32.exe
PID 4676 wrote to memory of 4724	4676	rundll32.exe	rundll32.exe
PID 4676 wrote to memory of 4724	4676	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c297312e3cc81d0e9e48786424adf6ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4676

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c297312e3cc81d0e9e48786424adf6ec.dll,#1
2⤵
PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 656
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5088

Network

MITRE ATT&CK Matrix

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Downloads

memory/4724-0-0x0000000000000000-mapping.dmp

Download
memory/4724-2-0x0000000000000000-mapping.dmp

Download
memory/4724-3-0x0000000000000000-mapping.dmp

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memory/4724-4-0x0000000000000000-mapping.dmp

Download
memory/5088-1-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/5088-5-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

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