cobaltstrike | 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc

General

Target

678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe
Size

115KB
MD5

ee061f4e5b74c464968353765f6dd478
SHA1

8bb9f2dc918eacb94aec40a12f3829687db20875
SHA256

678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc
SHA512

c35489613780044c908597d96d0f24bafc63e2ae3114365771286f944c14069280ee7cfdb495aa9a60541d2d595800533f36241b2ec43b33c5c92773b1df295e
SSDEEP

1536:R++fq6M5b9NqTxV67wAInyAeG+90MHJaOsp1gMIEELZ2G6nNgRtOOOOOOOOEQ6:R++VMoTxyi9e7O1IXLoXWRq

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

1692 CacheMgr.exe
Loads dropped DLL 1 IoCs

Processes:

678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe

pid process

1788 678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe

pid	process
1692	CacheMgr.exe

pid	process
1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\CacheMgr.exe\" -as"	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe

description	pid	process	target process
PID 1788 wrote to memory of 916	1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe	cmd.exe
PID 1788 wrote to memory of 916	1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe	cmd.exe
PID 1788 wrote to memory of 916	1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe	cmd.exe
PID 1788 wrote to memory of 916	1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe	cmd.exe
PID 1788 wrote to memory of 1692	1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe	CacheMgr.exe
PID 1788 wrote to memory of 1692	1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe	CacheMgr.exe
PID 1788 wrote to memory of 1692	1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe	CacheMgr.exe
PID 1788 wrote to memory of 1692	1788	678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe
"C:\Users\Admin\AppData\Local\Temp\678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c copy "C:\Users\Admin\AppData\Local\Temp\678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc.exe" "C:\Users\Admin\AppData\Roaming\CacheMgr.exe"
2⤵
PID:916

C:\Users\Admin\AppData\Roaming\CacheMgr.exe
"C:\Users\Admin\AppData\Roaming\CacheMgr.exe" -as
2⤵
- Executes dropped EXE
PID:1692

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

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Downloads

C:\Users\Admin\AppData\Roaming\CacheMgr.exe
Filesize
115KB

MD5
ee061f4e5b74c464968353765f6dd478

SHA1
8bb9f2dc918eacb94aec40a12f3829687db20875

SHA256
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc

SHA512
c35489613780044c908597d96d0f24bafc63e2ae3114365771286f944c14069280ee7cfdb495aa9a60541d2d595800533f36241b2ec43b33c5c92773b1df295e

Download Submit
C:\Users\Admin\AppData\Roaming\CacheMgr.exe
Filesize
115KB

MD5
ee061f4e5b74c464968353765f6dd478

SHA1
8bb9f2dc918eacb94aec40a12f3829687db20875

SHA256
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc

SHA512
c35489613780044c908597d96d0f24bafc63e2ae3114365771286f944c14069280ee7cfdb495aa9a60541d2d595800533f36241b2ec43b33c5c92773b1df295e

Download Submit
\Users\Admin\AppData\Roaming\CacheMgr.exe
Filesize
115KB

MD5
ee061f4e5b74c464968353765f6dd478

SHA1
8bb9f2dc918eacb94aec40a12f3829687db20875

SHA256
678aff3cb93a44e504abd50e42b47150d19467728d46ad49f8c496244a1764cc

SHA512
c35489613780044c908597d96d0f24bafc63e2ae3114365771286f944c14069280ee7cfdb495aa9a60541d2d595800533f36241b2ec43b33c5c92773b1df295e

Download Submit
memory/916-56-0x0000000000000000-mapping.dmp

Download
memory/1692-62-0x0000000000000000-mapping.dmp

Download
memory/1692-68-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1692-69-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download
memory/1692-70-0x0000000000430000-0x0000000000530000-memory.dmp

Filesize
1024KB

Download
memory/1692-71-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download
memory/1788-59-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download
memory/1788-57-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1788-58-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/1788-55-0x0000000076711000-0x0000000076713000-memory.dmp

Filesize
8KB

Download
memory/1788-63-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1788-66-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download

Analysis

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