cobaltstrike | dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4

Analysis

max time kernel
168s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 14:22

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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

1660 CacheMgr.exe

pid	process
1660	CacheMgr.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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\ProgramData\\CacheMgr.exe\" -as"	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe

description	pid	process	target process
PID 3128 wrote to memory of 2288	3128	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	cmd.exe
PID 3128 wrote to memory of 2288	3128	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	cmd.exe
PID 3128 wrote to memory of 2288	3128	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	cmd.exe
PID 3128 wrote to memory of 1660	3128	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	CacheMgr.exe
PID 3128 wrote to memory of 1660	3128	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	CacheMgr.exe
PID 3128 wrote to memory of 1660	3128	dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe
"C:\Users\Admin\AppData\Local\Temp\dcadd432cfa78bda8bbc242b5f14fe2415f1e66453d5c45f02dc8974171a72d4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3128

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:2288

C:\ProgramData\CacheMgr.exe
"C:\ProgramData\CacheMgr.exe" -as
2⤵
- Executes dropped EXE
PID:1660

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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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
memory/1660-144-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/1660-148-0x0000000000930000-0x0000000000A30000-memory.dmp

Filesize
1024KB

Download
memory/1660-147-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/1660-146-0x0000000000930000-0x0000000000A30000-memory.dmp

Filesize
1024KB

Download
memory/1660-138-0x0000000000000000-mapping.dmp

Download
memory/1660-145-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2288-135-0x0000000000000000-mapping.dmp

Download
memory/3128-136-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/3128-143-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/3128-142-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3128-137-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download
memory/3128-132-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3128-134-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download