cobaltstrike | 9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c

General

Target

9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe
Size

121KB
MD5

09205aac44ae94d3c381c7e3c05fd160
SHA1

2246f360d0ce9d918c6bd7e61dc5a5efd2b85545
SHA256

9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c
SHA512

8eac8f7fdbb293fdf17d7c1f8ca74aa76a329e81a559d30365408a636229989ab9c9d99e48c4db7b5863e36479ac3b9e10492d8bf0524aa1ccef2ac67a859839
SSDEEP

1536:ZX2tAh15hxrmf7VlBSBzD7TbNau3doRzEg0H86Lx8CAcf+SuqGMLefNe6WE5RXQY:5v5hm7VmBP7PtReQJUhMLgEE5RXP

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

1904 CacheMgr.exe
Loads dropped DLL 1 IoCs

Processes:

9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe

pid process

672 9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe

pid	process
1904	CacheMgr.exe

pid	process
672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\ProgramData\\CacheMgr.exe\" -as"	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe

description	pid	process	target process
PID 672 wrote to memory of 1532	672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	cmd.exe
PID 672 wrote to memory of 1532	672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	cmd.exe
PID 672 wrote to memory of 1532	672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	cmd.exe
PID 672 wrote to memory of 1532	672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	cmd.exe
PID 672 wrote to memory of 1904	672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	CacheMgr.exe
PID 672 wrote to memory of 1904	672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	CacheMgr.exe
PID 672 wrote to memory of 1904	672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	CacheMgr.exe
PID 672 wrote to memory of 1904	672	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe
"C:\Users\Admin\AppData\Local\Temp\9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe" "C:\ProgramData\CacheMgr.exe"
2⤵
PID:1532

C:\ProgramData\CacheMgr.exe
"C:\ProgramData\CacheMgr.exe" -as
2⤵
- Executes dropped EXE
PID:1904

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:\ProgramData\CacheMgr.exe
Filesize
121KB

MD5
09205aac44ae94d3c381c7e3c05fd160

SHA1
2246f360d0ce9d918c6bd7e61dc5a5efd2b85545

SHA256
9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c

SHA512
8eac8f7fdbb293fdf17d7c1f8ca74aa76a329e81a559d30365408a636229989ab9c9d99e48c4db7b5863e36479ac3b9e10492d8bf0524aa1ccef2ac67a859839

Download Submit
C:\ProgramData\CacheMgr.exe
Filesize
121KB

MD5
09205aac44ae94d3c381c7e3c05fd160

SHA1
2246f360d0ce9d918c6bd7e61dc5a5efd2b85545

SHA256
9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c

SHA512
8eac8f7fdbb293fdf17d7c1f8ca74aa76a329e81a559d30365408a636229989ab9c9d99e48c4db7b5863e36479ac3b9e10492d8bf0524aa1ccef2ac67a859839

Download Submit
\ProgramData\CacheMgr.exe
Filesize
121KB

MD5
09205aac44ae94d3c381c7e3c05fd160

SHA1
2246f360d0ce9d918c6bd7e61dc5a5efd2b85545

SHA256
9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c

SHA512
8eac8f7fdbb293fdf17d7c1f8ca74aa76a329e81a559d30365408a636229989ab9c9d99e48c4db7b5863e36479ac3b9e10492d8bf0524aa1ccef2ac67a859839

Download Submit
memory/672-64-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/672-58-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/672-56-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/672-57-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/672-55-0x0000000074FA1000-0x0000000074FA3000-memory.dmp

Filesize
8KB

Download
memory/672-66-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1532-59-0x0000000000000000-mapping.dmp

Download
memory/1904-62-0x0000000000000000-mapping.dmp

Download
memory/1904-68-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1904-69-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/1904-70-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1904-71-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download

Analysis

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