c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
90s
max time network
94s
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

SOUND16.wav
Size

1KB
MD5

e41791bbcd5b895ecd909e45e718d3cd
SHA1

a4abd710cc2a64cb2d0c0779228c0ee4c568532b
SHA256

4552eada8e87c3c6dc448f61749ab10e218d786addf62d3abc6df982bdb4b17e
SHA512

e520c073cca4a3fdf96eeb06242abff6a9cd45ffbc99fa8f71ca47cea242d105dae8ccd2dfdda78f4ea960c240aa3f7b73cb6d52a72910fcba9412edf4e10ac8

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	unregmp2.exe
Token: SeCreatePagefilePrivilege	3376	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 3288	1548	wmplayer.exe	81
PID 1548 wrote to memory of 3288	1548	wmplayer.exe	81
PID 1548 wrote to memory of 3288	1548	wmplayer.exe	81
PID 1548 wrote to memory of 3132	1548	wmplayer.exe	82
PID 1548 wrote to memory of 3132	1548	wmplayer.exe	82
PID 1548 wrote to memory of 3132	1548	wmplayer.exe	82
PID 3132 wrote to memory of 3376	3132	unregmp2.exe	83
PID 3132 wrote to memory of 3376	3132	unregmp2.exe	83

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\SOUND16.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- 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\SOUND16.wav"
  2⤵
  PID:3288
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3132
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3376

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
64KB

MD5
19d78b1eae63fd95e33c36ae0cad7aa8

SHA1
52bbbd1abf5e05fd11b19462a54685e7ccfc2d4b

SHA256
50c2e86388d63a5a5a2052f9866083e8784c3eed266f9b947b4f5772e5fbcf80

SHA512
34d6dd06fc41e2a3bf026cc58e461cf12064eab6969225d118b786aaacfabaac8bd7cbc6c26ad2c985faa04f0a07a4134119d4780c9189ded6db3d0fe9b59454

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
f24d4b3e8de0ee90083790b4def6632e

SHA1
82f339b2bd1ec91990a13ab93016f0219a57386d

SHA256
6612581fe2d21a599abc8ea2444cc5f17c924f0c0cc13b927b19aecb126dda45

SHA512
8777f574e99eb3e8308ca525551743cbc56198258bebacd5c8e6dbf8b4a4410b222d4a07da073b318f3d324608b93aec1fc37851b6f3c5b1e0ce416889a4950d

Download Submit