c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
146s
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

SOUND21.wav
Size

8KB
MD5

052a743aec1b7beaf7159b8f2a8a368f
SHA1

e547de35a94eac2d72a6db634a05bf35d615e201
SHA256

2029fdff1153308e251d9c12c4eed3904147e3940fd01549814cd9672b849c42
SHA512

910f546c46c343043841a06c9943649478553f5807f3435559cda43eeab571add3965656784a86bdbd9668bc6800d4d0301a05311f039ab1f00e0366a2347ef6
SSDEEP

192:Q8TcCr50gzyl5w1948m7oITTw0IIu1uAnuhMh9T:Q8IUWglyvTIIu1nEMh9

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4256	unregmp2.exe
Token: SeCreatePagefilePrivilege	4256	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 3364	2400	wmplayer.exe	80
PID 2400 wrote to memory of 3364	2400	wmplayer.exe	80
PID 2400 wrote to memory of 3364	2400	wmplayer.exe	80
PID 2400 wrote to memory of 4920	2400	wmplayer.exe	81
PID 2400 wrote to memory of 4920	2400	wmplayer.exe	81
PID 2400 wrote to memory of 4920	2400	wmplayer.exe	81
PID 4920 wrote to memory of 4256	4920	unregmp2.exe	82
PID 4920 wrote to memory of 4256	4920	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\SOUND21.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- 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\SOUND21.wav"
  2⤵
  PID:3364
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4920
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4256

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
9b39c8547503a0fdecd29c6ee70cef52

SHA1
e7449059220cd65a69f5002bb6ef24aca23e9d8b

SHA256
4ee3ec0ebaa01d5d91d526b47b550218816424b6c854e4efcd9284a769ef271a

SHA512
c280f5c0fbf1bc423e1c5885f5a04d38393148487016f34c1ad8a051131ed763892ec6e3ef530e6bf037f9253a2833ea3910f6df3f4bc0d6b1d35c8fe4b117ac

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
eadf37f8d1e37363f3683f2a866e62e5

SHA1
7f3ff4ff4dca40d7a3705e81b350d271827fd390

SHA256
d2f6460a376a97e41b9853b5e5829885345a2377f334d3a9a254240e08248b67

SHA512
03f74312e813b1110bf5a1adc8acc3af021f429283916a5dcb9ecc0427aef79a11bc5d2a8e3e07fa74c653f803d1cb503ba8ba2f05f1dc62ebe4faccbcae79cc

Download Submit