c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
91s
max time network
93s
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

SOUND112.wav
Size

824B
MD5

e6ce1719e5a7118d9e69f1c92fb1939e
SHA1

5991dabb2969f149ad4b5fdea2784e9f69ae6ca2
SHA256

0ebb658081295dd5421fbcb9d8418786bf0566a0393e1dc78a0cf82205bb0af3
SHA512

36491ea5ba94cb28668ba6f12ecd2cc90e4df8a2eca4b0798063d1672116f2bf505153bf7a63408e2ab67ab10aaa06b0732b8c47f6783e914f4bea4c8abccccf

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4500	unregmp2.exe
Token: SeCreatePagefilePrivilege	4500	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 3616	1616	wmplayer.exe	80
PID 1616 wrote to memory of 3616	1616	wmplayer.exe	80
PID 1616 wrote to memory of 3616	1616	wmplayer.exe	80
PID 1616 wrote to memory of 3824	1616	wmplayer.exe	81
PID 1616 wrote to memory of 3824	1616	wmplayer.exe	81
PID 1616 wrote to memory of 3824	1616	wmplayer.exe	81
PID 3824 wrote to memory of 4500	3824	unregmp2.exe	82
PID 3824 wrote to memory of 4500	3824	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\SOUND112.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- 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\SOUND112.wav"
  2⤵
  PID:3616
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3824
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4500

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
d35defde3ad3faecd5955399986c9785

SHA1
7762067bc38abb0654f552bd5967404c57954ea3

SHA256
69d351f5546d8e20aed4549148ce8b8344faa65fb64e00b248028ac408922319

SHA512
cabff3a74b4b18b87b389f74c383dd79f33f17504a239deb35bb0ccf0d6f9e20b638d136ef8b3b7390f48a16e4f9398f264cc714766c8f7c032124a8737d84d0

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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
f24d4b3e8de0ee90083790b4def6632e

SHA1
82f339b2bd1ec91990a13ab93016f0219a57386d

SHA256
6612581fe2d21a599abc8ea2444cc5f17c924f0c0cc13b927b19aecb126dda45

SHA512
8777f574e99eb3e8308ca525551743cbc56198258bebacd5c8e6dbf8b4a4410b222d4a07da073b318f3d324608b93aec1fc37851b6f3c5b1e0ce416889a4950d

Download Submit