8aaa02cb23a65170200c0119b22ca6ca0ce242fd6f6e76282984ada900b20aa5

General

Target

b5b41653cd99c247f775d2f0bad8f99d.exe
Size

464KB
MD5

b5b41653cd99c247f775d2f0bad8f99d
SHA1

925a6512a26daeeadda9b5b38d0f9613be25c290
SHA256

8aaa02cb23a65170200c0119b22ca6ca0ce242fd6f6e76282984ada900b20aa5
SHA512

12c5b56f1913c0bec7437cbb8cccb8097923062895040200e5ce682cbb88bf125a7c45137a469d13bea1661224ecf5189e647a823b7212cc1885302f2ab596a2
SSDEEP

6144:zRPu8zwNAZYCZrIik3tHSXnbgOdd8pgi0dLUc2gKKhT1l5b8QoPZJCvEsH5f:zJrIik3ObgGd8pgi0LlKKhT1c3zCvN9

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1872	1D31.tmp

Loads dropped DLL 1 IoCs

pid	Process
1984	b5b41653cd99c247f775d2f0bad8f99d.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2172	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1872	1D31.tmp

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1872	1984	b5b41653cd99c247f775d2f0bad8f99d.exe	28
PID 1984 wrote to memory of 1872	1984	b5b41653cd99c247f775d2f0bad8f99d.exe	28
PID 1984 wrote to memory of 1872	1984	b5b41653cd99c247f775d2f0bad8f99d.exe	28
PID 1984 wrote to memory of 1872	1984	b5b41653cd99c247f775d2f0bad8f99d.exe	28
PID 1872 wrote to memory of 2172	1872	1D31.tmp	29
PID 1872 wrote to memory of 2172	1872	1D31.tmp	29
PID 1872 wrote to memory of 2172	1872	1D31.tmp	29
PID 1872 wrote to memory of 2172	1872	1D31.tmp	29

C:\Users\Admin\AppData\Local\Temp\b5b41653cd99c247f775d2f0bad8f99d.exe
"C:\Users\Admin\AppData\Local\Temp\b5b41653cd99c247f775d2f0bad8f99d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\1D31.tmp
  "C:\Users\Admin\AppData\Local\Temp\1D31.tmp" --helpC:\Users\Admin\AppData\Local\Temp\b5b41653cd99c247f775d2f0bad8f99d.exe 7ADDB9A29A742C06119085C3EF593F6F024FDD3B41247713303ADA054627A748206B2B710ED8B7660B4704C3BE69525283D9DDE9A13876E8B175292A79300A82
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1872
- - 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\b5b41653cd99c247f775d2f0bad8f99d.docx"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2172

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\b5b41653cd99c247f775d2f0bad8f99d.docx

Filesize
21KB

MD5
7079891932a64f097abafd233055a1e9

SHA1
246d95feafe67689d49a5a4cadba18d3ac1914e5

SHA256
c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1

SHA512
6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a

Download Submit
\Users\Admin\AppData\Local\Temp\1D31.tmp

Filesize
464KB

MD5
44c51b126063ba37ff6586059e88853b

SHA1
05eba68074751117eeb1e008b67f0b618c30f6e8

SHA256
da0fe4140861c1188dbf78c692c9a6c91b04d65746ffed7abb471161e757bab2

SHA512
9035149a93304df1b8bf0f409d2f4f4371bad720d94dcb306f3a51d9fb31a5111cff759162ed2ccb9f4a610275ae262769e89ab6e3dd614f40f2943aee449443

Download Submit
memory/2172-7-0x000000002F3D1000-0x000000002F3D2000-memory.dmp

Filesize
4KB

Download
memory/2172-8-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2172-9-0x0000000070C6D000-0x0000000070C78000-memory.dmp

Filesize
44KB

Download
memory/2172-13-0x0000000070C6D000-0x0000000070C78000-memory.dmp

Filesize
44KB

Download

Analysis

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