c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
146s
max time network
151s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SOUND131.wav
Size

1KB
MD5

899435422642d583aa2a28e1aa5e7b3b
SHA1

961f182053de9c85825b1a6cb29ec6576d708d75
SHA256

74b86b262c3dbb8e366d859786f434eb603ae20a3c5098187effb03a41c5e6de
SHA512

8cf0d0b3ed80337484a73246ffb54f5320fc79177786c4111a7caa70b0f3d986f949d8ab9d0c4233385ea141f642143842299a4c592c56b8a39420448d7d11d6

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4320	unregmp2.exe
Token: SeCreatePagefilePrivilege	4320	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 3456	4652	wmplayer.exe	80
PID 4652 wrote to memory of 3456	4652	wmplayer.exe	80
PID 4652 wrote to memory of 3456	4652	wmplayer.exe	80
PID 4652 wrote to memory of 1172	4652	wmplayer.exe	81
PID 4652 wrote to memory of 1172	4652	wmplayer.exe	81
PID 4652 wrote to memory of 1172	4652	wmplayer.exe	81
PID 1172 wrote to memory of 4320	1172	unregmp2.exe	82
PID 1172 wrote to memory of 4320	1172	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\SOUND131.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4652
- 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\SOUND131.wav"
  2⤵
  PID:3456
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4320

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
19d78b1eae63fd95e33c36ae0cad7aa8

SHA1
52bbbd1abf5e05fd11b19462a54685e7ccfc2d4b

SHA256
50c2e86388d63a5a5a2052f9866083e8784c3eed266f9b947b4f5772e5fbcf80

SHA512
34d6dd06fc41e2a3bf026cc58e461cf12064eab6969225d118b786aaacfabaac8bd7cbc6c26ad2c985faa04f0a07a4134119d4780c9189ded6db3d0fe9b59454

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
45e03098aaefae3b83c1399fcb167585

SHA1
e22121d3f07eb96e62a4e9bd6168c14d0dd904a8

SHA256
286ce31f121f474a991b38babf31818d26d5390ff0e9771d94fd6e5e43265503

SHA512
fd36ead03098ba2de4595f811c9acc90a991e6cfc2ff6e4aabff9be432d30bb56fa1a89883480295667e7c71da8b3fbd459585b172047fd0dcd01fc613e67f37

Download Submit