cobaltstrike | 644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d

Analysis

max time kernel
159s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 03:35

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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

5052 CacheMgr.exe

pid	process
5052	CacheMgr.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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\Setup\\CacheMgr.exe\" -as"	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe

description	pid	process	target process
PID 1016 wrote to memory of 3292	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1016 wrote to memory of 3292	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1016 wrote to memory of 3292	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1016 wrote to memory of 4908	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1016 wrote to memory of 4908	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1016 wrote to memory of 4908	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	cmd.exe
PID 1016 wrote to memory of 5052	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	CacheMgr.exe
PID 1016 wrote to memory of 5052	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	CacheMgr.exe
PID 1016 wrote to memory of 5052	1016	644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe
"C:\Users\Admin\AppData\Local\Temp\644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /q /c md "C:\Setup"
  2⤵
  PID:3292
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /q /c copy "C:\Users\Admin\AppData\Local\Temp\644f0a88f1a5453ef1d23bd3dc4c30cc4495749846ca56d8f37c1ff4e852df8d.exe" "C:\Setup\CacheMgr.exe"
  2⤵
  PID:4908
- C:\Setup\CacheMgr.exe
  "C:\Setup\CacheMgr.exe" -as
  2⤵
  - Executes dropped EXE
  PID:5052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

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
memory/1016-137-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1016-138-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/3292-132-0x0000000000000000-mapping.dmp

Download
memory/4908-133-0x0000000000000000-mapping.dmp

Download
memory/5052-134-0x0000000000000000-mapping.dmp

Download
memory/5052-139-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/5052-140-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/5052-141-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download