c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
147s
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

SOUND105.wav
Size

1KB
MD5

afc9b22846e2455f3566b9d5f7094069
SHA1

b09398237b6439609aac3cc56ed570e0a4afd555
SHA256

61f8dcdba2b0313b078db1982cbc2f7763c5c5287a796341644d87fb5515a051
SHA512

93233e54e2c94364359b1db10e07401769751cda0b6cd352c2cc6c38748513cb309bf65388964a4d81193f2a23d0a555ee488883a886e1dd5f4144fabf8b0bcd

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)	\??\R:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\J:	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)	\??\K:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\I:	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)	\??\U:	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)	\??\V:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\A:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2716	unregmp2.exe
Token: SeCreatePagefilePrivilege	2716	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 3448	4432	wmplayer.exe	79
PID 4432 wrote to memory of 3448	4432	wmplayer.exe	79
PID 4432 wrote to memory of 3448	4432	wmplayer.exe	79
PID 4432 wrote to memory of 1984	4432	wmplayer.exe	80
PID 4432 wrote to memory of 1984	4432	wmplayer.exe	80
PID 4432 wrote to memory of 1984	4432	wmplayer.exe	80
PID 1984 wrote to memory of 2716	1984	unregmp2.exe	81
PID 1984 wrote to memory of 2716	1984	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\SOUND105.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4432
- 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\SOUND105.wav"
  2⤵
  PID:3448
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2716

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
066f6e5acfff197d12b550ef7d452d41

SHA1
aaa8cfa5a56519594490d069f31a42a15ca515a2

SHA256
cac3a8354c7766b4ce0900bf4d8097bf372ec405a6af4bba63a6d92132932a30

SHA512
21c3985bdc883b7c0fcdfb660a577eb03870943d9e812a24726158b6c06cc36b00425fdeafddcb099fddd1488173280563f7241c9589e69d04d1eb1b5daa786b

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
64d46528da531d2cf2426410e34bf61d

SHA1
d12c05229a24d508e5ee63b5e563c9bd6371b149

SHA256
65cccb3b74042db1028fb2735d15d5b4c907b8f374073da52ebab6b253750cbb

SHA512
1d94972d734e6e62266e1c17451c6577703247db956c96cb407ea2521bba0be824670208ca4e01d6f3e82d0df2c21b906b0e4a33375bca13672b1da7eea2ac0c

Download Submit