c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
89s
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

SOUND14.wav
Size

2KB
MD5

6e16123605be6ead006de652a7bfee6b
SHA1

3634223359f1ff17533cf616069015c2a0e3051a
SHA256

f6bd098350ad28571427ae7535da76ec13def5a0d24cd33a4259fc93177861bf
SHA512

1a69ecd781addf71c68759e59e288acb5c754494d82fa5424f8ba24da2f200db3788f9aef86d1624a887f422723ed038e9df4242df0b6f9d29a76be429f90627

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	248	unregmp2.exe
Token: SeCreatePagefilePrivilege	248	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 2652	3880	wmplayer.exe	79
PID 3880 wrote to memory of 2652	3880	wmplayer.exe	79
PID 3880 wrote to memory of 2652	3880	wmplayer.exe	79
PID 3880 wrote to memory of 3160	3880	wmplayer.exe	80
PID 3880 wrote to memory of 3160	3880	wmplayer.exe	80
PID 3880 wrote to memory of 3160	3880	wmplayer.exe	80
PID 3160 wrote to memory of 248	3160	unregmp2.exe	81
PID 3160 wrote to memory of 248	3160	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\SOUND14.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:3880
- 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\SOUND14.wav"
  2⤵
  PID:2652
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3160
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:248

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

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

Filesize
1KB

MD5
2d12ed6902ddf2ad3a73255456e32398

SHA1
f77780f4240e7e0f5870e43a78031068f1c3f3b7

SHA256
7058e435b62dedcc3e697ee9fb255e1fbfdc3552b819b9bebec2afd47235d8a3

SHA512
a677a205cc1314c8de42a97a7eb888afb2042c58594524f02ebb5bc158b5f2f049324da179305980a7d4fd41efdcf7ade0b28d828580c6544a4b2df30848021d

Download Submit