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

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General

Target

SOUND20.wav
Size

8KB
MD5

c05bec850a4336d53ded063ae009528f
SHA1

0408b9c258df424586ac2af4e074224e502aa328
SHA256

d9967a5ec4104c9e470e02163e07e0f34b313578d302c9a849972f81f328ecfe
SHA512

2cd7607358a5dcbf633eff19c000f055e21208049549514a167c54d364fb103a9631ad3dd594d1d410b7f91eccc24eb3eacf6eec085e81cb9593745f7f71cd55
SSDEEP

192:6OnZH+Ah9QALU1Pi6yp3ybKkteoorZJVHLZYH6WxL:dnx+KFg1jytLktXorZDdYjxL

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	820	unregmp2.exe
Token: SeCreatePagefilePrivilege	820	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 3160	1000	wmplayer.exe	79
PID 1000 wrote to memory of 3160	1000	wmplayer.exe	79
PID 1000 wrote to memory of 3160	1000	wmplayer.exe	79
PID 1000 wrote to memory of 2968	1000	wmplayer.exe	80
PID 1000 wrote to memory of 2968	1000	wmplayer.exe	80
PID 1000 wrote to memory of 2968	1000	wmplayer.exe	80
PID 2968 wrote to memory of 820	2968	unregmp2.exe	81
PID 2968 wrote to memory of 820	2968	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\SOUND20.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1000
- 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\SOUND20.wav"
  2⤵
  PID:3160
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2968
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:820

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

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
6c2bf2919e5efe18371ce3554652c1d5

SHA1
088adfa553039f23c84b004a44dc4d9aac9f57d2

SHA256
dc33d02e37bfe7d60c40e8c447895400be9cb56950cd279383167a4310addd01

SHA512
bc4e20cf11689630cca5da8ed801bff8f1e3d8b9c96347754dbc8555b321ba5368e3d0784fdd42324a8bae1f28d7149e57c095d27bdb50ac3b0d34aa2604ac62

Download Submit