c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
91s
max time network
100s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
30/04/2024, 07:34

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General

Target

SOUND13.wav
Size

7KB
MD5

f2dca9ca1b4008676d8e6a6c205be905
SHA1

6750b4b9130ec9dc41df9ac6290fcdf987d8b72c
SHA256

0f537e4c5c1b5c48185c9c02cfa101dafad9111d20bfbfc3ad4bfefe82978818
SHA512

7e92cfe9b98d485bdb46cc258f0802e9f900746951dc28e71ff4c054f2aed233dbc4b7b5d6906747e9bf4d28f08183d58d735596607cd545757d595cb7023cf5
SSDEEP

192:1et9uURooVR9ikZuF+doW4n2R5ZtYlnHthJ1ZJDuT3:1JUbVRNZq+ufnE1UtX1PDuT3

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3492	unregmp2.exe
Token: SeCreatePagefilePrivilege	3492	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 4476	1628	wmplayer.exe	79
PID 1628 wrote to memory of 4476	1628	wmplayer.exe	79
PID 1628 wrote to memory of 4476	1628	wmplayer.exe	79
PID 1628 wrote to memory of 880	1628	wmplayer.exe	80
PID 1628 wrote to memory of 880	1628	wmplayer.exe	80
PID 1628 wrote to memory of 880	1628	wmplayer.exe	80
PID 880 wrote to memory of 3492	880	unregmp2.exe	81
PID 880 wrote to memory of 3492	880	unregmp2.exe	81

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Open "C:\Users\Admin\AppData\Local\Temp\SOUND13.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Program Files (x86)\Windows Media Player\setup_wm.exe
  "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Open "C:\Users\Admin\AppData\Local\Temp\SOUND13.wav"
  2⤵
  PID:4476
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
256KB

MD5
1553f4412f0373d5333a9f12e49e863c

SHA1
c117ef6e8cd55a9bdf974a228bde97aadb440cad

SHA256
ffdb9c3d8773e354d5a048e7b48ab4bf684deef7d72482a1762c437ed23d0c8a

SHA512
ca76ad53c021753f43c166d147f03b873166c63e494f55e20da0077e96fc8dcb48a4012e94b14ae12cce86dfde5901e53ee233ff72b4d68ae7005d0744103ebe

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C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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C:\Users\Admin\AppData\Local\Temp\wmsetup.log

Filesize
1KB

MD5
9f9b17c99e0d855e94e6cb741e1c9e1b

SHA1
d6a4f39d761c1988ce8b6bb4f1e3cd84005180ba

SHA256
f20213ec99fe4560fb40b08c60d21a61ca6387d35a632af7a0531e6db27e3e3e

SHA512
4dd274f719b3abe80138e21f03113e5d551b44d33ca057f49a73b12ea69749ad535368d9cc9382b8774c0078add431b33ae08a3725b2633f3bb7cee75697d3d5

Download Submit