c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
146s
max time network
150s
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

SOUND104.wav
Size

1KB
MD5

a44748e509bab00b3ca6f6fa5b25c629
SHA1

f8acd7e01a57238b9e7bdc66ef3fc543bc0c4f7b
SHA256

f38173fe132752208196194c4a37390f7ba0024ca0e69e38c49b3f1546550c06
SHA512

1fee3ed8ec952a82653c9c391738652af0830acd67c8e9f4c8d372a7a69797b366919c073692f3f3b8b456eb838596a30e2718cfd564621fe65d7117a0d012d9

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1792	unregmp2.exe
Token: SeCreatePagefilePrivilege	1792	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 3920	1740	wmplayer.exe	80
PID 1740 wrote to memory of 3920	1740	wmplayer.exe	80
PID 1740 wrote to memory of 3920	1740	wmplayer.exe	80
PID 1740 wrote to memory of 1864	1740	wmplayer.exe	81
PID 1740 wrote to memory of 1864	1740	wmplayer.exe	81
PID 1740 wrote to memory of 1864	1740	wmplayer.exe	81
PID 1864 wrote to memory of 1792	1864	unregmp2.exe	82
PID 1864 wrote to memory of 1792	1864	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\SOUND104.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- 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\SOUND104.wav"
  2⤵
  PID:3920
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1792

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
73c977ca318631b8c4d95e28c39bb5d0

SHA1
80584b42372b68106dcb7129b9170f2812c9aa19

SHA256
c7acd1ea7e5a018d5d820d4948fa89512a6b65c68c6973b3104dab53ce5a1c93

SHA512
8733c4714898be64d59d3526385c36dd7a2f8463a572c217cebd75e6c3dda1a75e6bec006ec25e46a1b2aad45c38c469b27b87e1464efaa81517f4a3c151d800

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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
d39f174b8c9f259314c91149d326bc16

SHA1
156c1952cb47d9a55b9e5101ba3e61fc5aad4f21

SHA256
ff67f874469a2a6e65669b2bd262f565c0a11da6a68bdb1f68add02157978afe

SHA512
599d815911dceec7e587f50bf6be8a5eb749c90a1102d4699d922fbac9f1707ae59b55c0866a55bcdc92a2b5fc31cd8c4b1b15a65ebe006c84a66dfff8d2d570

Download Submit