cobaltstrike | 9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20

Analysis

max time kernel
162s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 16:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe
Size

197KB
MD5

80c39a580fd4de240e85c9cbf8e4f0e3
SHA1

4410606f14cad27ddac84462e6965b8cdbc00504
SHA256

9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20
SHA512

f4a17bf666893fb3dad15746bd02693e73959f7a6d01e042b7805c280e62dd8749b3a47add44d50c2cf266004f131e8de6fb2e6d46c6539eba844dd477f88569
SSDEEP

1536:aX2tAh15hxrmf7VlBSBzD7TbNau3doRzEg0H86Lx8CAcf+SuqGMLefNe6WW5RXQ:ov5hm7VmBP7PtReQJUhMLgEW5RX

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

4760 CacheMgr.exe

pid	process
4760	CacheMgr.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\ProgramData\\CacheMgr.exe\" -as"	9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe

description	pid	process	target process
PID 3356 wrote to memory of 4864	3356	9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe	cmd.exe
PID 3356 wrote to memory of 4864	3356	9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe	cmd.exe
PID 3356 wrote to memory of 4864	3356	9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe	cmd.exe
PID 3356 wrote to memory of 4760	3356	9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe	CacheMgr.exe
PID 3356 wrote to memory of 4760	3356	9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe	CacheMgr.exe
PID 3356 wrote to memory of 4760	3356	9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe
"C:\Users\Admin\AppData\Local\Temp\9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3356

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20.exe" "C:\ProgramData\CacheMgr.exe"
2⤵
PID:4864

C:\ProgramData\CacheMgr.exe
"C:\ProgramData\CacheMgr.exe" -as
2⤵
- Executes dropped EXE
PID:4760

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

Loading Replay Monitor...

Downloads

C:\ProgramData\CacheMgr.exe
Filesize
197KB

MD5
80c39a580fd4de240e85c9cbf8e4f0e3

SHA1
4410606f14cad27ddac84462e6965b8cdbc00504

SHA256
9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20

SHA512
f4a17bf666893fb3dad15746bd02693e73959f7a6d01e042b7805c280e62dd8749b3a47add44d50c2cf266004f131e8de6fb2e6d46c6539eba844dd477f88569

Download Submit
C:\ProgramData\CacheMgr.exe
Filesize
197KB

MD5
80c39a580fd4de240e85c9cbf8e4f0e3

SHA1
4410606f14cad27ddac84462e6965b8cdbc00504

SHA256
9fa6777f2677f387a56fcefd48ef8346afef701d46a9bd664b30c47933e65f20

SHA512
f4a17bf666893fb3dad15746bd02693e73959f7a6d01e042b7805c280e62dd8749b3a47add44d50c2cf266004f131e8de6fb2e6d46c6539eba844dd477f88569

Download Submit
memory/3356-136-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/3356-133-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3356-134-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/3356-141-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3356-142-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/4760-137-0x0000000000000000-mapping.dmp

Download
memory/4760-143-0x0000000000810000-0x0000000000910000-memory.dmp

Filesize
1024KB

Download
memory/4760-144-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4760-145-0x00000000005A0000-0x00000000005B6000-memory.dmp

Filesize
88KB

Download
memory/4760-146-0x0000000000810000-0x0000000000910000-memory.dmp

Filesize
1024KB

Download
memory/4760-147-0x00000000005A0000-0x00000000005B6000-memory.dmp

Filesize
88KB

Download
memory/4864-135-0x0000000000000000-mapping.dmp

Download