cobaltstrike | dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4

General

Target

dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe
Size

281KB
MD5

23b7efda1310c603863b9ccdcdc2ae60
SHA1

6bdcb523ce08b46002279c136bc56f9682cf180b
SHA256

dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4
SHA512

c17735659f6f344e2b810b1d0db65297c3671d4d664d0fa386ba2b7ec80cd477139d4c3beee0ee15ea466e5ccc958824cb5e501bc5b54ceb42e9753381043ce3
SSDEEP

3072:sv5hm7VmBP7PtReQJUhMLgE35RXzdNKi6sYpdHfeC:i5wAJyQJKMLgEHOs0HfeC

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

1164 CacheMgr.exe
Loads dropped DLL 1 IoCs

Processes:

dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe

pid process

1236 dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe

pid	process
1164	CacheMgr.exe

pid	process
1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\ProgramData\\CacheMgr.exe\" -as"	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe

description	pid	process	target process
PID 1236 wrote to memory of 340	1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	cmd.exe
PID 1236 wrote to memory of 340	1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	cmd.exe
PID 1236 wrote to memory of 340	1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	cmd.exe
PID 1236 wrote to memory of 340	1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	cmd.exe
PID 1236 wrote to memory of 1164	1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	CacheMgr.exe
PID 1236 wrote to memory of 1164	1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	CacheMgr.exe
PID 1236 wrote to memory of 1164	1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	CacheMgr.exe
PID 1236 wrote to memory of 1164	1236	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe
"C:\Users\Admin\AppData\Local\Temp\dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe" "C:\ProgramData\CacheMgr.exe"
2⤵
PID:340

C:\ProgramData\CacheMgr.exe
"C:\ProgramData\CacheMgr.exe" -as
2⤵
- Executes dropped EXE
PID:1164

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\CacheMgr.exe
Filesize
281KB

MD5
23b7efda1310c603863b9ccdcdc2ae60

SHA1
6bdcb523ce08b46002279c136bc56f9682cf180b

SHA256
dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4

SHA512
c17735659f6f344e2b810b1d0db65297c3671d4d664d0fa386ba2b7ec80cd477139d4c3beee0ee15ea466e5ccc958824cb5e501bc5b54ceb42e9753381043ce3

Download Submit
C:\ProgramData\CacheMgr.exe
Filesize
281KB

MD5
23b7efda1310c603863b9ccdcdc2ae60

SHA1
6bdcb523ce08b46002279c136bc56f9682cf180b

SHA256
dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4

SHA512
c17735659f6f344e2b810b1d0db65297c3671d4d664d0fa386ba2b7ec80cd477139d4c3beee0ee15ea466e5ccc958824cb5e501bc5b54ceb42e9753381043ce3

Download Submit
\ProgramData\CacheMgr.exe
Filesize
281KB

MD5
23b7efda1310c603863b9ccdcdc2ae60

SHA1
6bdcb523ce08b46002279c136bc56f9682cf180b

SHA256
dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4

SHA512
c17735659f6f344e2b810b1d0db65297c3671d4d664d0fa386ba2b7ec80cd477139d4c3beee0ee15ea466e5ccc958824cb5e501bc5b54ceb42e9753381043ce3

Download Submit
memory/340-56-0x0000000000000000-mapping.dmp

Download
memory/1164-71-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/1164-72-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1164-70-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1164-62-0x0000000000000000-mapping.dmp

Download
memory/1164-69-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1164-68-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/1236-57-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1236-66-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1236-64-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1236-55-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/1236-59-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1236-58-0x0000000000460000-0x0000000000560000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing