cobaltstrike | 9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c

Analysis

max time kernel
268s
max time network
341s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 04:37

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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

868 CacheMgr.exe

pid	process
868	CacheMgr.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-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\ProgramData\\CacheMgr.exe\" -as"	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe

description	pid	process	target process
PID 4996 wrote to memory of 2300	4996	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	cmd.exe
PID 4996 wrote to memory of 2300	4996	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	cmd.exe
PID 4996 wrote to memory of 2300	4996	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	cmd.exe
PID 4996 wrote to memory of 868	4996	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	CacheMgr.exe
PID 4996 wrote to memory of 868	4996	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	CacheMgr.exe
PID 4996 wrote to memory of 868	4996	9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe
"C:\Users\Admin\AppData\Local\Temp\9bc0c00f316b510dfe73a9436630929ebaa219004afe4187af92d61db218226c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4996

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:2300

C:\ProgramData\CacheMgr.exe
"C:\ProgramData\CacheMgr.exe" -as
2⤵
- Executes dropped EXE
PID:868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

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
memory/868-143-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/868-137-0x0000000000000000-mapping.dmp

Download
memory/868-141-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/868-142-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/868-147-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/2300-134-0x0000000000000000-mapping.dmp

Download
memory/4996-136-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/4996-135-0x0000000000A00000-0x0000000000B00000-memory.dmp

Filesize
1024KB

Download
memory/4996-132-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4996-144-0x0000000000A00000-0x0000000000B00000-memory.dmp

Filesize
1024KB

Download
memory/4996-145-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/4996-146-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download