c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
90s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
30/04/2024, 07:34

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General

Target

SOUND22.wav
Size

7KB
MD5

aa49652b614337369c4a7f1d3c02e597
SHA1

62e121b9178172fd5e7869566c7d998b12b0ae80
SHA256

1b5b2e369409d2fab0f2bcc38de99b340f6c7f6dc8f40b4103afe57a0dbebb2a
SHA512

e659167c6a287caca5b1d733021dc02f5e530dccfb030774577d8b21100b5503e0e11b499223d505ef4b45ac1018745735a624851481bf04540cd77c35afb51b
SSDEEP

192:luQA7owHoeE/sJe+Nk20sJk7eU9g2ZF4T:luQoE/ue+Nb+e52ZF4T

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4284	unregmp2.exe
Token: SeCreatePagefilePrivilege	4284	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 3408	3776	wmplayer.exe	79
PID 3776 wrote to memory of 3408	3776	wmplayer.exe	79
PID 3776 wrote to memory of 3408	3776	wmplayer.exe	79
PID 3776 wrote to memory of 1528	3776	wmplayer.exe	80
PID 3776 wrote to memory of 1528	3776	wmplayer.exe	80
PID 3776 wrote to memory of 1528	3776	wmplayer.exe	80
PID 1528 wrote to memory of 4284	1528	unregmp2.exe	81
PID 1528 wrote to memory of 4284	1528	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\SOUND22.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:3776
- 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\SOUND22.wav"
  2⤵
  PID:3408
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4284

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

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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

Filesize
1KB

MD5
5eaa70232bb2719f2eb1f9779c207b50

SHA1
28fa22114843ea53c2d066f587a8a3d3b08c8bd7

SHA256
9800c9156430fb3be9dd869ea522f5ae67f0600050cb0481550768e2ce9151ee

SHA512
92ced2082ced207af68af57f29aa58f47e25a80cb491e82d9b966a77d86a455923305fb52b77d500bb780b379902e2b86953574b33f35288aaa223c23dbd960c

Download Submit