cobaltstrike | 958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f

General

Target

958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe
Size

143KB
MD5

95c68f4aaaef33e8f3088283904f5b48
SHA1

bc5d1da0296f1f21ef088b60b71787f7e6f0dcbe
SHA256

958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f
SHA512

2bcb0985b0ce399f6697fc2281ddeb98ee35f9e9f31491aebf0652ee01cd70b2144758eeb71cce4bdc878b430a48c6ae791ea66a0cd636467e61d08eeefbd6a9
SSDEEP

1536:d++fq6M5b9NqTxV67wAInyAeG+90MHJaOsp1gMIEELZ2G64NgRtOOOOOOOOEQ6:d++VMoTxyi9e7O1IXLoIWRq

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

1556 CacheMgr.exe
Loads dropped DLL 1 IoCs

Processes:

958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe

pid process

1480 958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe

pid	process
1556	CacheMgr.exe

pid	process
1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\CacheMgr.exe\" -as"	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe

description	pid	process	target process
PID 1480 wrote to memory of 1372	1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe	cmd.exe
PID 1480 wrote to memory of 1372	1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe	cmd.exe
PID 1480 wrote to memory of 1372	1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe	cmd.exe
PID 1480 wrote to memory of 1372	1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe	cmd.exe
PID 1480 wrote to memory of 1556	1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe	CacheMgr.exe
PID 1480 wrote to memory of 1556	1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe	CacheMgr.exe
PID 1480 wrote to memory of 1556	1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe	CacheMgr.exe
PID 1480 wrote to memory of 1556	1480	958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe
"C:\Users\Admin\AppData\Local\Temp\958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c copy "C:\Users\Admin\AppData\Local\Temp\958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f.exe" "C:\Users\Admin\AppData\Roaming\CacheMgr.exe"
2⤵
PID:1372

C:\Users\Admin\AppData\Roaming\CacheMgr.exe
"C:\Users\Admin\AppData\Roaming\CacheMgr.exe" -as
2⤵
- Executes dropped EXE
PID:1556

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:\Users\Admin\AppData\Roaming\CacheMgr.exe
Filesize
143KB

MD5
95c68f4aaaef33e8f3088283904f5b48

SHA1
bc5d1da0296f1f21ef088b60b71787f7e6f0dcbe

SHA256
958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f

SHA512
2bcb0985b0ce399f6697fc2281ddeb98ee35f9e9f31491aebf0652ee01cd70b2144758eeb71cce4bdc878b430a48c6ae791ea66a0cd636467e61d08eeefbd6a9

Download Submit
C:\Users\Admin\AppData\Roaming\CacheMgr.exe
Filesize
143KB

MD5
95c68f4aaaef33e8f3088283904f5b48

SHA1
bc5d1da0296f1f21ef088b60b71787f7e6f0dcbe

SHA256
958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f

SHA512
2bcb0985b0ce399f6697fc2281ddeb98ee35f9e9f31491aebf0652ee01cd70b2144758eeb71cce4bdc878b430a48c6ae791ea66a0cd636467e61d08eeefbd6a9

Download Submit
\Users\Admin\AppData\Roaming\CacheMgr.exe
Filesize
143KB

MD5
95c68f4aaaef33e8f3088283904f5b48

SHA1
bc5d1da0296f1f21ef088b60b71787f7e6f0dcbe

SHA256
958bd7562b2646cfeaea8951bd6bb963a060b5f45581f0678838538870e4307f

SHA512
2bcb0985b0ce399f6697fc2281ddeb98ee35f9e9f31491aebf0652ee01cd70b2144758eeb71cce4bdc878b430a48c6ae791ea66a0cd636467e61d08eeefbd6a9

Download Submit
memory/1372-56-0x0000000000000000-mapping.dmp

Download
memory/1480-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1480-59-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download
memory/1480-58-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/1480-55-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download
memory/1480-57-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1480-66-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download
memory/1556-62-0x0000000000000000-mapping.dmp

Download
memory/1556-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1556-69-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/1556-70-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download
memory/1556-71-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/1556-72-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download

Analysis

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