4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42

General

Target

4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe
Size

664KB
MD5

3d244b4bdbdef6b5932daeffcff956c1
SHA1

f9fba06b0a7d9cae9479e85cdf3f1f088bca6b24
SHA256

4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42
SHA512

49ce925e718033b4de7962a2c3e24466aef94112070b29e95c00374b92d6ffa4d942473ac3eec5faaaef92b1d83ef563be087c38157e7f89399b255766200788
SSDEEP

12288:pYIW0p98Oh8P7h8Kn4AqMotLv8tuqZNLlgjOETn4/5BWpUohOqH:dW298E8uKTs8bZNLlgjOETn4/5BWpUoD

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

13CF.tmp

pid process

2608 13CF.tmp
Loads dropped DLL 1 IoCs

Processes:

4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe

pid process

2856 4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2608	13CF.tmp

pid	process
2856	4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
Suspicious behavior: RenamesItself 1 IoCs

Processes:

13CF.tmp

pid process

2608 13CF.tmp
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE

pid	process
2548	WINWORD.EXE

pid	process
2608	13CF.tmp

pid	process
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe13CF.tmp

description	pid	process	target process
PID 2856 wrote to memory of 2608	2856	4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe	13CF.tmp
PID 2856 wrote to memory of 2608	2856	4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe	13CF.tmp
PID 2856 wrote to memory of 2608	2856	4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe	13CF.tmp
PID 2856 wrote to memory of 2608	2856	4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe	13CF.tmp
PID 2608 wrote to memory of 2548	2608	13CF.tmp	WINWORD.EXE
PID 2608 wrote to memory of 2548	2608	13CF.tmp	WINWORD.EXE
PID 2608 wrote to memory of 2548	2608	13CF.tmp	WINWORD.EXE
PID 2608 wrote to memory of 2548	2608	13CF.tmp	WINWORD.EXE

C:\Users\Admin\AppData\Local\Temp\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe
"C:\Users\Admin\AppData\Local\Temp\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\13CF.tmp
  "C:\Users\Admin\AppData\Local\Temp\13CF.tmp" --pingC:\Users\Admin\AppData\Local\Temp\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe 5756F63D8E6FFAFCF453FBC710C0CA0E5709105D276509C54E766469CF080ED99F8E69E98A8E6DFF180AF5290F9C9FEB4A6112E8C98E51AD16966130E7444C89
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2608
- - 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\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.docx"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\13CF.tmp

Filesize
664KB

MD5
a6341bf7875f3d9ff019da0dd094e5d9

SHA1
8023217aaa130ae08de227f6f6910d7ff8adaebc

SHA256
da745e23485b713a4196c1ba4e58f7a1f65d1e1f76c348ac0b7a76bf2f9d798d

SHA512
d1ad4a36c24d17136bb14bb8a293101da56d5e33fa378fdac0c69fd1fdf54ecb38e15b1b538903a84e51f17e74a8500e99270fb9b064d24341984356020e2767

Download Submit
C:\Users\Admin\AppData\Local\Temp\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.docx

Filesize
21KB

MD5
7079891932a64f097abafd233055a1e9

SHA1
246d95feafe67689d49a5a4cadba18d3ac1914e5

SHA256
c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1

SHA512
6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a

Download Submit
memory/2548-7-0x000000002F111000-0x000000002F112000-memory.dmp

Filesize
4KB

Download
memory/2548-8-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2548-9-0x000000007122D000-0x0000000071238000-memory.dmp

Filesize
44KB

Download
memory/2548-13-0x000000007122D000-0x0000000071238000-memory.dmp

Filesize
44KB

Download

Analysis

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