c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
147s
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

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General

Target

SOUND25.wav
Size

25KB
MD5

fd4348e6554d2bc2005d0301947257f6
SHA1

2f0c2a9d0c688e19d24602a525ee5e0883d7d7d0
SHA256

89b018e05246cad3ec1ebd8ce0b33619e45049244f255fa1a9786c3000522d5f
SHA512

18c4c908cc11a39a50cdf08948145eac1a219ece8e9f807f1767b7e629bd568bc2a133f2eaa3b20703559fb7cd77a88a3883952e2f35312be82ecab03f522747
SSDEEP

768:FQY//dIOUTzycn9asbcu/vLUJ2mHs3LqGGM:FZTUPfn9ZbccgJ2nmM

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3632	unregmp2.exe
Token: SeCreatePagefilePrivilege	3632	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 5080	1552	wmplayer.exe	80
PID 1552 wrote to memory of 5080	1552	wmplayer.exe	80
PID 1552 wrote to memory of 5080	1552	wmplayer.exe	80
PID 1552 wrote to memory of 2232	1552	wmplayer.exe	81
PID 1552 wrote to memory of 2232	1552	wmplayer.exe	81
PID 1552 wrote to memory of 2232	1552	wmplayer.exe	81
PID 2232 wrote to memory of 3632	2232	unregmp2.exe	82
PID 2232 wrote to memory of 3632	2232	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\SOUND25.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1552
- 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\SOUND25.wav"
  2⤵
  PID:5080
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3632

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
512KB

MD5
cb7e01aa7934596717166c67842937f6

SHA1
28d4ed6dae0fe6bc4a85196c9de201ddae4cadda

SHA256
37aa3efbf96d63e646ad768f3b43a35297662efdddae4c529ca33d25579b8a6f

SHA512
4b725df5e6cc2ff8b5e7458d7a061cb14d7a8fdf1b3b57c1fb036ed6c5a8080154c6f9fffac39a771ca5d4c073e2e749a883ec369d2ffc65e779528ad978e26f

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
9f9b17c99e0d855e94e6cb741e1c9e1b

SHA1
d6a4f39d761c1988ce8b6bb4f1e3cd84005180ba

SHA256
f20213ec99fe4560fb40b08c60d21a61ca6387d35a632af7a0531e6db27e3e3e

SHA512
4dd274f719b3abe80138e21f03113e5d551b44d33ca057f49a73b12ea69749ad535368d9cc9382b8774c0078add431b33ae08a3725b2633f3bb7cee75697d3d5

Download Submit