cobaltstrike | cfc1155f576b0a19d0751b0ae796e7db156ebc7ee8bfa38a735d6856351e2336

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 08:21

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General

Target

本单位2024年上半年工作总结和下半年工作安排.docx ... .exe
Size

365KB
MD5

447eedd0ca8f3f5901f515e87fe3c279
SHA1

5abbbfdc3174ba565a8abe1636c4a940bc3d23f1
SHA256

3a3e0512b921fb5ccc231e0cbcaef12f3924eee35506f5813f4832e9cde5977d
SHA512

e316e3c20af47b2502a6674dd1ee8291fc57ee16fa051092b213525e8577ae7d60d05cc0d7ab6e8d7c8f5f56dde29e859ecf3404afdd2c73be7e4d63507e2fcc
SSDEEP

6144:urMliwGQNb5f6XzW+AQOn+LrttHvAUzG5Eq:qgPHf66TQxPPHTG5Eq

Score

10^/10

cobaltstrike backdoor discovery trojan

Malware Config

Extracted

Family

cobaltstrike

http://8.219.180.167:443/zyzyz

Attributes

user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0; MDDCJS)

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike

Network Service Discovery 1 TTPs 2 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
1496	cmd.exe
2784	ARP.EXE

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4344	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	664	whoami.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 5064	2320	本单位2024年上半年工作总结和下半年工作安排.docx ... .exe	91
PID 2320 wrote to memory of 5064	2320	本单位2024年上半年工作总结和下半年工作安排.docx ... .exe	91
PID 5064 wrote to memory of 664	5064	cmd.exe	93
PID 5064 wrote to memory of 664	5064	cmd.exe	93
PID 2320 wrote to memory of 1496	2320	本单位2024年上半年工作总结和下半年工作安排.docx ... .exe	94
PID 2320 wrote to memory of 1496	2320	本单位2024年上半年工作总结和下半年工作安排.docx ... .exe	94
PID 1496 wrote to memory of 2784	1496	cmd.exe	96
PID 1496 wrote to memory of 2784	1496	cmd.exe	96
PID 2320 wrote to memory of 2556	2320	本单位2024年上半年工作总结和下半年工作安排.docx ... .exe	97
PID 2320 wrote to memory of 2556	2320	本单位2024年上半年工作总结和下半年工作安排.docx ... .exe	97
PID 2556 wrote to memory of 376	2556	cmd.exe	99
PID 2556 wrote to memory of 376	2556	cmd.exe	99
PID 2320 wrote to memory of 1608	2320	本单位2024年上半年工作总结和下半年工作安排.docx ... .exe	100
PID 2320 wrote to memory of 1608	2320	本单位2024年上半年工作总结和下半年工作安排.docx ... .exe	100
PID 1608 wrote to memory of 4344	1608	cmd.exe	102
PID 1608 wrote to memory of 4344	1608	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\本单位2024年上半年工作总结和下半年工作安排.docx ... .exe
"C:\Users\Admin\AppData\Local\Temp\本单位2024年上半年工作总结和下半年工作安排.docx ... .exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /C whoami
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5064
- - C:\Windows\system32\whoami.exe
    whoami
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:664
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /C arp -a
  2⤵
  - Network Service Discovery
  - Suspicious use of WriteProcessMemory
  PID:1496
- - C:\Windows\system32\ARP.EXE
    arp -a
    3⤵
    - Network Service Discovery
    PID:2784
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /C hostname
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\system32\HOSTNAME.EXE
    hostname
    3⤵
    PID:376
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /C ipconfig /all
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:4344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2320-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2320-1-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2320-2-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2320-3-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2320-4-0x0000000003390000-0x0000000003790000-memory.dmp

Filesize
4.0MB

Download
memory/2320-5-0x0000000000720000-0x0000000000773000-memory.dmp

Filesize
332KB

Download
memory/2320-7-0x0000000000720000-0x0000000000773000-memory.dmp

Filesize
332KB

Download