c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
146s
max time network
150s
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

SOUND29.wav
Size

10KB
MD5

a960850b4d37cdf89ec3538f6dfd7289
SHA1

6db09c6c9f728ada8a6a9a17aea456ad7e3df5c9
SHA256

82752afe3c0ff97a44a14537a04dc2b4a3268029c870aa3d6b7c99bd75f4e09e
SHA512

dfc399f41932dfbff0437727a938b5135aa67feb39508c0adada9171469153b6d14ba5521b1a072d2c6dee47529104adc3ab00fa0760dc5248c3d1e459cbea9a
SSDEEP

192:sCZDKEpByxuMRzkYfCmDq9hTN6chbF/Mx9g7wsA+U0e8SEyY5eL24E:dQAQRDm6ch51qHEXDF

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)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\T:	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	2004	unregmp2.exe
Token: SeCreatePagefilePrivilege	2004	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 3016	648	wmplayer.exe	80
PID 648 wrote to memory of 3016	648	wmplayer.exe	80
PID 648 wrote to memory of 3016	648	wmplayer.exe	80
PID 648 wrote to memory of 3020	648	wmplayer.exe	81
PID 648 wrote to memory of 3020	648	wmplayer.exe	81
PID 648 wrote to memory of 3020	648	wmplayer.exe	81
PID 3020 wrote to memory of 2004	3020	unregmp2.exe	82
PID 3020 wrote to memory of 2004	3020	unregmp2.exe	82

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\SOUND29.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:648
- 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\SOUND29.wav"
  2⤵
  PID:3016
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2004

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
384KB

MD5
9b39c8547503a0fdecd29c6ee70cef52

SHA1
e7449059220cd65a69f5002bb6ef24aca23e9d8b

SHA256
4ee3ec0ebaa01d5d91d526b47b550218816424b6c854e4efcd9284a769ef271a

SHA512
c280f5c0fbf1bc423e1c5885f5a04d38393148487016f34c1ad8a051131ed763892ec6e3ef530e6bf037f9253a2833ea3910f6df3f4bc0d6b1d35c8fe4b117ac

Download Submit
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
304eb4cc88ff4973218e442db9d1f4ae

SHA1
4bcb07a4b5a8126c00f7cdad97591bfd723b980d

SHA256
ab7d55038cd677bc63bd6ef405ac82e0fef590613de3bb4edefd26fc7a2a19cb

SHA512
f81b8b131c7b687e865126421ebbc9c62e9f43e15f2c1f04fe8e790cbffeed62dc783bcd14d9f0f0cc8b9ea3db615247cd535820d6051ec0e640a0e804c58307

Download Submit