c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
146s
max time network
150s
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

SOUND243.wav
Size

20KB
MD5

7e57ab05d47a75785832defccb24b4c6
SHA1

ad6f57e531dfc6611970f8f431fdcb542f4719a1
SHA256

49998ec981bb7c20d2b299cfc99af3f43113d3464d6b9245091bee3b69528d4e
SHA512

bd2217584fc77023d3be8470e1a5bbc8cde4a21ee242a97925dfc161fa9937de4680087163af37c4f34b5c142ee5b1cc0c037f8cf9edcf8d61351753a222cf1b
SSDEEP

192:aFXvaHSX+L3WMuQCAWUgnS9WFZ0k3v5Zz6uTRUNxmPiQPafRUL6zRNIU9Kd6ll55:aFXCBKMdLg0kxldR7q+L2bIU9Kd6H542

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3088	unregmp2.exe
Token: SeCreatePagefilePrivilege	3088	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 3912	4604	wmplayer.exe	78
PID 4604 wrote to memory of 3912	4604	wmplayer.exe	78
PID 4604 wrote to memory of 3912	4604	wmplayer.exe	78
PID 4604 wrote to memory of 5112	4604	wmplayer.exe	79
PID 4604 wrote to memory of 5112	4604	wmplayer.exe	79
PID 4604 wrote to memory of 5112	4604	wmplayer.exe	79
PID 5112 wrote to memory of 3088	5112	unregmp2.exe	80
PID 5112 wrote to memory of 3088	5112	unregmp2.exe	80

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\SOUND243.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4604
- 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\SOUND243.wav"
  2⤵
  PID:3912
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3088

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
384KB

MD5
9094c783418a02287a50e36fa6c8a56d

SHA1
668133014fe33c9e8116f99e7398a9882f3742bb

SHA256
5fb3c0c9cce8a7576c7fb22424d9e702dab7d81d4aba2e8098264f4092a358c3

SHA512
00b947b28b1988897729dc6c37b094441a489d33a02ff961d6934e8d5755894cf094e66ce76400c46bd035bda867516a5d5404b3ce05b6120efec3f0c981d1a6

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
233996291b9d3e64184729c0350801f1

SHA1
4318faeb77f4e5b7a4af17c43bd782ada80fdfe1

SHA256
756afa73ec2e72aa19cdda1d0ae75d7189641aaa8cb473ed1590aa02116c2381

SHA512
10f5d2f72c49118403bde322a7747f6cd7d3e5b480c96c3a5688ef7e31f79e81f78fcafc50b6e25d7b4df42dfbb50cb4650bc9527f24deb1efd251777e7189a3

Download Submit