981eeb419fd3ac1a7701cebe39149c89c8ba22a389936e93b3984d9640fdfad8

Analysis

max time kernel
142s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 21:58

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General

Target

art/sound/engine/0BE1F1A5405C187702AEE893B40ABF5F/EXH_1052_P.wav
Size

191KB
MD5

d72b4417ee441ca42d1d5530de825409
SHA1

8ff96140f23e04ad36348f81aaa5eaf35d34665c
SHA256

fc9519685b40508f02691ce17985227f9efb65261af213d45fede80b86d3e345
SHA512

31255e21af2d745cd893ebe6d02df0875fffbb2ec9308fc1ee25df8181de1bd5f3317a5c55ff3e4e1c2aad70f933dd7c5a76fb132ad147b9424a932b9d2f5c8e
SSDEEP

3072:Lk8zQw4DnmFlIAcwS+J1tr2gVg3cKoL2zFc5rVEMumYv85v:wYibscwS+0gKxoBrCVE5

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	384	unregmp2.exe
Token: SeCreatePagefilePrivilege	384	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 3332	4016	wmplayer.exe	88
PID 4016 wrote to memory of 3332	4016	wmplayer.exe	88
PID 4016 wrote to memory of 3332	4016	wmplayer.exe	88
PID 4016 wrote to memory of 1620	4016	wmplayer.exe	89
PID 4016 wrote to memory of 1620	4016	wmplayer.exe	89
PID 4016 wrote to memory of 1620	4016	wmplayer.exe	89
PID 1620 wrote to memory of 384	1620	unregmp2.exe	90
PID 1620 wrote to memory of 384	1620	unregmp2.exe	90

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\art\sound\engine\0BE1F1A5405C187702AEE893B40ABF5F\EXH_1052_P.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4016
- 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\art\sound\engine\0BE1F1A5405C187702AEE893B40ABF5F\EXH_1052_P.wav"
  2⤵
  PID:3332
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:384

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
704KB

MD5
b753cb4fc40597fe8ade1e2248464c13

SHA1
f6ac274877de1669f6361625034e5691165017e1

SHA256
7d8265c307941cc2eecad211bc53ae60f1e0eda479a4d747346e3fdf6e93b337

SHA512
8fb4fc04952123d8fae777e413fcd14abd8d4706e053969ed72b10d2e3fe27be627b000ac65c6bbc580f422c73375b977e06785998c580b2fa587581a2ea9b0a

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C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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C:\Users\Admin\AppData\Local\Temp\wmsetup.log

Filesize
1KB

MD5
0a87518e03c40a0a037033f13e865d6f

SHA1
86e2de15c9967bf5baf079dcdc714d7fb3b530b1

SHA256
c0551f938ca4bce73060b6e7dc4e902db08692ed0a18e96b505cc58bcecbaa2f

SHA512
b0bf24e4466cc7e2931021bfa5c3968f02c17a7c614a8223a90a7bd12b4ea2b00889715fcb065ef28bb2683f76b2e76611df90e5d4a80838f3a00d2a61b8866d

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