af430050f1a36ac9ac0c081d8dac85d706cc8841fb83c626e656111eea30ab94

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 17:56

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General

Target

res/sounds/hit.wav
Size

17KB
MD5

d99971cfda4d1de2b729fa6e50e93c85
SHA1

1e6eee4270bfb978675c8b4c19e07f9da10a49e5
SHA256

f6c1d4540cd0229eace2bccee828dc3464f9f5e3cac3fd35ea905eb4bc2da4e3
SHA512

b3aef18a31c7ae0a8fd7cd8f18fb3a206ac6af0981d7c7b469b62bb48e4b2b437d74c6074e7c9879fb08d35ff4c1d1576186d03a409e894969cd8ed04c29940c
SSDEEP

384:bK2fygH1NJeDWll0G+59hak83+5fPco/ExSOqI:e0nNJue+fhan3+5fko/sqI

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4232	unregmp2.exe
Token: SeCreatePagefilePrivilege	4232	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 1364	4360	wmplayer.exe	89
PID 4360 wrote to memory of 1364	4360	wmplayer.exe	89
PID 4360 wrote to memory of 1364	4360	wmplayer.exe	89
PID 4360 wrote to memory of 2552	4360	wmplayer.exe	90
PID 4360 wrote to memory of 2552	4360	wmplayer.exe	90
PID 4360 wrote to memory of 2552	4360	wmplayer.exe	90
PID 2552 wrote to memory of 4232	2552	unregmp2.exe	91
PID 2552 wrote to memory of 4232	2552	unregmp2.exe	91

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\res\sounds\hit.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4360
- 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\res\sounds\hit.wav"
  2⤵
  PID:1364
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4232

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
64KB

MD5
987a07b978cfe12e4ce45e513ef86619

SHA1
22eec9a9b2e83ad33bedc59e3205f86590b7d40c

SHA256
f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8

SHA512
39b86540e4d35c84609ef66537b5aa02058e3d4293f902127c7d4eac8ffc65920cb5c69a77552fc085687eed66e38367f83c177046d0ecb8e6d135463cc142aa

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
2b7b9ab5df4587f7c018eabb6b4ba504

SHA1
8b579c72e51c0128cb0c5aecaee2abb7fbdbc303

SHA256
37814dfb490f92de8f6e5a10c9a31b2ddf24f6d6c44849658d3c180441e25068

SHA512
0702e2079926d5bf5556fa9143d86c1854ab28dd9d79db9765588a34dfea0e38e2206311a2fd67cb472925e56532a2449c280a353a1372d2be92c517b793c596

Download Submit