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

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

SOUND17.wav
Size

2KB
MD5

433cdfd5ec169a5fba806add54fe2197
SHA1

a2353017387fab74062a72ba153d93c5855e30e7
SHA256

6e3be18204f5ab9874e86b70896012d416057b4c14dda492929539f11d31c990
SHA512

1370c3e8d247ca4dd20f94ddf4af7f4d3cf8231a657976f277a1724ec5a58dd1661292afd5d052e3bf83aa8856f270f161be1daedad5d14193c54f022b985407

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)	\??\A:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\I:	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	2960	unregmp2.exe
Token: SeCreatePagefilePrivilege	2960	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 472	5060	wmplayer.exe	80
PID 5060 wrote to memory of 472	5060	wmplayer.exe	80
PID 5060 wrote to memory of 472	5060	wmplayer.exe	80
PID 5060 wrote to memory of 2428	5060	wmplayer.exe	82
PID 5060 wrote to memory of 2428	5060	wmplayer.exe	82
PID 5060 wrote to memory of 2428	5060	wmplayer.exe	82
PID 2428 wrote to memory of 2960	2428	unregmp2.exe	83
PID 2428 wrote to memory of 2960	2428	unregmp2.exe	83

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\SOUND17.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:5060
- 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\SOUND17.wav"
  2⤵
  PID:472
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2960

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
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
b1b9696dff55e5d67734a2c95ec2e322

SHA1
82eba9bcb80147aeca073620da46e506237b35a4

SHA256
51e61543db568b84f33be0c25a762340f581845ed220be7853047f3f1746fe83

SHA512
aa2e2f5d652dfababa7ba581f7cbce77a50f32529d2fd52846b7cf2b07f7db785c8cc337b80a8b6ce75b7d4483a41edf6741ae3c93f8083034a50383547c6fec

Download Submit