cobaltstrike | 644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d

General

Target

644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe
Size

1.2MB
MD5

4daf5cf751680712f85806ff6116b295
SHA1

c776d41aaa20eed0493a0330a58a1399c0245913
SHA256

644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d
SHA512

e5ca4867938d4b6b50df8acfd1a3a10f90b76c3c6df411161715b35a92a21cb8be5eb78935e4eb25003679ed278e8db6b217afb54e4dd03767f0f8912edae730
SSDEEP

6144:+YLTfG6i9JehNAQ9Nd5hY2WFhel8GNle4PjgG+Yqo:+YPOtTe0yJ5aKHNlh7gGn

Score

10^/10

cobaltstrike backdoor persistence trojan

Malware Config

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Executes dropped EXE 1 IoCs

Processes:

CacheMgr.exe

pid process

1988 CacheMgr.exe
Loads dropped DLL 1 IoCs

Processes:

644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe

pid process

1512 644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe

pid	process
1988	CacheMgr.exe

pid	process
1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\Setup\\CacheMgr.exe\" -as"	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe

description	pid	process	target process
PID 1512 wrote to memory of 1528	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1512 wrote to memory of 1528	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1512 wrote to memory of 1528	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1512 wrote to memory of 1528	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1512 wrote to memory of 2020	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1512 wrote to memory of 2020	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1512 wrote to memory of 2020	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1512 wrote to memory of 2020	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1512 wrote to memory of 1988	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	CacheMgr.exe
PID 1512 wrote to memory of 1988	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	CacheMgr.exe
PID 1512 wrote to memory of 1988	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	CacheMgr.exe
PID 1512 wrote to memory of 1988	1512	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe
"C:\Users\Admin\AppData\Local\Temp\644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /q /c md "C:\Setup"
  2⤵
  PID:1528
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /q /c copy "C:\Users\Admin\AppData\Local\Temp\644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe" "C:\Setup\CacheMgr.exe"
  2⤵
  PID:2020
- C:\Setup\CacheMgr.exe
  "C:\Setup\CacheMgr.exe" -as
  2⤵
  - Executes dropped EXE
  PID:1988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Setup\CacheMgr.exe

Filesize
1.2MB

MD5
4daf5cf751680712f85806ff6116b295

SHA1
c776d41aaa20eed0493a0330a58a1399c0245913

SHA256
644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d

SHA512
e5ca4867938d4b6b50df8acfd1a3a10f90b76c3c6df411161715b35a92a21cb8be5eb78935e4eb25003679ed278e8db6b217afb54e4dd03767f0f8912edae730

Download Submit
C:\Setup\CacheMgr.exe

Filesize
1.2MB

MD5
4daf5cf751680712f85806ff6116b295

SHA1
c776d41aaa20eed0493a0330a58a1399c0245913

SHA256
644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d

SHA512
e5ca4867938d4b6b50df8acfd1a3a10f90b76c3c6df411161715b35a92a21cb8be5eb78935e4eb25003679ed278e8db6b217afb54e4dd03767f0f8912edae730

Download Submit
\Setup\CacheMgr.exe

Filesize
1.2MB

MD5
4daf5cf751680712f85806ff6116b295

SHA1
c776d41aaa20eed0493a0330a58a1399c0245913

SHA256
644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d

SHA512
e5ca4867938d4b6b50df8acfd1a3a10f90b76c3c6df411161715b35a92a21cb8be5eb78935e4eb25003679ed278e8db6b217afb54e4dd03767f0f8912edae730

Download Submit
memory/1512-56-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1512-55-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1512-63-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1512-54-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1512-64-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1528-57-0x0000000000000000-mapping.dmp

Download
memory/1988-61-0x0000000000000000-mapping.dmp

Download
memory/1988-66-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1988-67-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1988-68-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/2020-58-0x0000000000000000-mapping.dmp

Download

Analysis

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