c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
90s
max time network
100s
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

SOUND136.wav
Size

18KB
MD5

78f089b8e0a048e6c06c381b6c01f1af
SHA1

49366d7fb78656deff1907ced0a91d3cb5867f99
SHA256

b734733533d4b0179d9c3cc2d14449d33576e9ef11ca419391a9c44dee6d5c20
SHA512

8fc36226341abc6cb4a1f0f615a1a11cbe21f5183f916e4f6fca96da1b855ebbd372410e4f0c5fbbc4a5cb1154780ce70d07f2df4360fed07a1218723db5002a
SSDEEP

384:16ntXh+uT2+d9Accc3DIRbQxYrg+ImoNpppp8p555nZ1foQ31vGPNPNXiiiiiiiV:8deQTmoNpppp8p555nZ1foQ31vGPNPNm

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)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\L:	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)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\N:	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	2192	unregmp2.exe
Token: SeCreatePagefilePrivilege	2192	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 2776	4188	wmplayer.exe	80
PID 4188 wrote to memory of 2776	4188	wmplayer.exe	80
PID 4188 wrote to memory of 2776	4188	wmplayer.exe	80
PID 4188 wrote to memory of 276	4188	wmplayer.exe	81
PID 4188 wrote to memory of 276	4188	wmplayer.exe	81
PID 4188 wrote to memory of 276	4188	wmplayer.exe	81
PID 276 wrote to memory of 2192	276	unregmp2.exe	82
PID 276 wrote to memory of 2192	276	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\SOUND136.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4188
- 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\SOUND136.wav"
  2⤵
  PID:2776
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:276
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2192

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

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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
595e4caafd313487931ff195265ae481

SHA1
8fbf9c22300724d7430cfa5a594f3984013b5ad2

SHA256
d825619cfa65702eec295ff4a04d324a8e9f8f31312abb561fb4195a13ba5882

SHA512
64553e6b51c2c0e85717c7900d476a3a0c89db85207620527010c9069af72f609a30621b92b4165445b111dd81c92644bb2a09761f999be062f8262795bae567

Download Submit