cobaltstrike | 4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115

Analysis

max time kernel
47s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 12:02

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General

Target

4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe
Size

224KB
MD5

6a2f9874a885cace73f83aa09a3feb4f
SHA1

78b0ce91cfb6b74c44baf7bf088dba98b056c444
SHA256

4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115
SHA512

16d8a92a813edc7fc76c5b8098fa7657c9d35d333f4c60dca95fcacaf827f060b0033bc115aba475c81e80caaa7e885769d3db742ea090c65a865877aa1634d2
SSDEEP

3072:6C/gLTTkRy7LfS2glhRXJehyBJUEoJA+1exXsoS2glhRXJehyBJUEoJA:1YLT1Pi9JehNACexXsoi9JehNA

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

pid	Process
1964	CacheMgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\Setup\\CacheMgr.exe\" -as"	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1228	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	27
PID 1204 wrote to memory of 1228	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	27
PID 1204 wrote to memory of 1228	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	27
PID 1204 wrote to memory of 1228	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	27
PID 1204 wrote to memory of 2044	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	29
PID 1204 wrote to memory of 2044	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	29
PID 1204 wrote to memory of 2044	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	29
PID 1204 wrote to memory of 2044	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	29
PID 1204 wrote to memory of 1964	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	31
PID 1204 wrote to memory of 1964	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	31
PID 1204 wrote to memory of 1964	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	31
PID 1204 wrote to memory of 1964	1204	4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe	31

C:\Users\Admin\AppData\Local\Temp\4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe
"C:\Users\Admin\AppData\Local\Temp\4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /q /c md "C:\Setup"
  2⤵
  PID:1228
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /q /c copy "C:\Users\Admin\AppData\Local\Temp\4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115.exe" "C:\Setup\CacheMgr.exe"
  2⤵
  PID:2044
- C:\Setup\CacheMgr.exe
  "C:\Setup\CacheMgr.exe" -as
  2⤵
  - Executes dropped EXE
  PID:1964

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:\Setup\CacheMgr.exe

Filesize
224KB

MD5
6a2f9874a885cace73f83aa09a3feb4f

SHA1
78b0ce91cfb6b74c44baf7bf088dba98b056c444

SHA256
4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115

SHA512
16d8a92a813edc7fc76c5b8098fa7657c9d35d333f4c60dca95fcacaf827f060b0033bc115aba475c81e80caaa7e885769d3db742ea090c65a865877aa1634d2

Download Submit
C:\Setup\CacheMgr.exe

Filesize
224KB

MD5
6a2f9874a885cace73f83aa09a3feb4f

SHA1
78b0ce91cfb6b74c44baf7bf088dba98b056c444

SHA256
4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115

SHA512
16d8a92a813edc7fc76c5b8098fa7657c9d35d333f4c60dca95fcacaf827f060b0033bc115aba475c81e80caaa7e885769d3db742ea090c65a865877aa1634d2

Download Submit
\Setup\CacheMgr.exe

Filesize
224KB

MD5
6a2f9874a885cace73f83aa09a3feb4f

SHA1
78b0ce91cfb6b74c44baf7bf088dba98b056c444

SHA256
4d4336297caa2c81160fe1b7b45383b1a9681f63ca3696a867c9a82242dfa115

SHA512
16d8a92a813edc7fc76c5b8098fa7657c9d35d333f4c60dca95fcacaf827f060b0033bc115aba475c81e80caaa7e885769d3db742ea090c65a865877aa1634d2

Download Submit
memory/1204-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1204-60-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1964-63-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1964-64-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download