metasploit | a27ff09ec8cbc4b9bad0679d8922ed1dd22fbf9bcf472ba69c1e413e6785dfa3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 10:52

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General

Target

RAT/CobaltStrike.docm
Size

86KB
MD5

96ff9d4cac8d3a8e73c33fc6bf72f198
SHA1

17d7edf6e496dec4695d686e7d0e422081cd5cbe
SHA256

96db5d52f4addf46b0a41d45351a52041d9e5368aead642402db577bcb33cc3d
SHA512

23659fb32dff24b17caffaf94133dac253ccde16ea1ad4d378563b16e99cb10b3d7e9dacf1b95911cd54a2cad4710e48c109ab73796b954cd20844833d3a7c46
SSDEEP

1536:lDZnLvdWcSVUj473eXfb6K3ABfSlH+ArfocK4XEorNColhVDo8NYzyReCxRVZs+x:vDAzVY4zSfb6mABfSleqocKg7Bo8NiCR

Score

10^/10

metasploit backdoor discovery trojan

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

http://149.129.72.37:23456/SNpK

Attributes

headers User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; NP09; NP09; MAAU)

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Metasploit family
metasploit

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	2856	1752	rundll32.exe	30

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	2856	rundll32.exe
5	2856	rundll32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1752	WINWORD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1752	WINWORD.EXE
1752	WINWORD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1428	1752	WINWORD.EXE	31
PID 1752 wrote to memory of 1428	1752	WINWORD.EXE	31
PID 1752 wrote to memory of 1428	1752	WINWORD.EXE	31
PID 1752 wrote to memory of 1428	1752	WINWORD.EXE	31
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32
PID 1752 wrote to memory of 2856	1752	WINWORD.EXE	32

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\RAT\CobaltStrike.docm"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1428
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\\SysWOW64\\rundll32.exe
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1752-17-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-10-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-902-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-901-0x0000000070E1D000-0x0000000070E28000-memory.dmp

Filesize
44KB

Download
memory/1752-20-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1752-18-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-7-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-291-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-712-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-8-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-9-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-2-0x0000000070E1D000-0x0000000070E28000-memory.dmp

Filesize
44KB

Download
memory/1752-13-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-0-0x000000002F801000-0x000000002F802000-memory.dmp

Filesize
4KB

Download
memory/1752-19-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-16-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1752-21-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/2856-894-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-38-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-54-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-58-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-60-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-46-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-44-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-42-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-40-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-64-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-56-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-52-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-26-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-62-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-28-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-24-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-22-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-68-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-70-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-48-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-36-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-50-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2856-66-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download