6d5ff2230c713e9372d23989c3ea247d814ffc6f19380be86f7bccf3c0b6ff91

Resubmissions

26/11/2024, 17:54

241126-whcw2aylbr 10

29/06/2024, 04:49

240629-ff5aha1eke 10

Analysis

max time kernel
133s
max time network
135s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
29/06/2024, 04:49

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General

Target

bin/Background.mp4
Size

4.6MB
MD5

9782180eb68f73030fe24ef6a1735932
SHA1

589827fe098ba048c9f871a28db8eae3e3537ff4
SHA256

3a1cbb800f8f25c2ab703ba8bfdb01e938e4143c3bc0fea8ca734fb5ba779ba7
SHA512

dc768638bae2d6d47d8910252ae64a656d8a6fd88efdf24165ddce51b7afdb4acb3fddd41dfe788737a2cab4fab66174db2f0d2f48bc8669af76d1656bca8be1
SSDEEP

98304:xs/6Ldccul3Wn48btjNEkPSFTaIwJ0Mt6KNY:xs/Gul3EvEmFItMkb

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4892	unregmp2.exe
Token: SeCreatePagefilePrivilege	4892	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 4856	4672	wmplayer.exe	71
PID 4672 wrote to memory of 4856	4672	wmplayer.exe	71
PID 4672 wrote to memory of 4856	4672	wmplayer.exe	71
PID 4672 wrote to memory of 4636	4672	wmplayer.exe	72
PID 4672 wrote to memory of 4636	4672	wmplayer.exe	72
PID 4672 wrote to memory of 4636	4672	wmplayer.exe	72
PID 4636 wrote to memory of 4892	4636	unregmp2.exe	73
PID 4636 wrote to memory of 4892	4636	unregmp2.exe	73

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\bin\Background.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:4672
- 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" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\bin\Background.mp4"
  2⤵
  PID:4856
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Windows\System32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4892

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
0e807656bd86f2aef7ccf207f963973b

SHA1
27052af8d103d134369e356b793eb88ba873df55

SHA256
c509c498682bec50142782a51785655020bea27652f46e104e07a530c2ff5162

SHA512
e6c7d5e001e8322ccb1abd101d47e7f1401597518f45dd8da1d757728147262bcb3b1f96128f291e0e367c5b34026b401468e4219b27cf3c37a8d434180cd8f3

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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

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

Filesize
1KB

MD5
b5e296b6bee2dad4f281306d9390083a

SHA1
490d5ffc4ac8f7c76c136c255c92ece63805cd63

SHA256
647affb123252c253917542e2ee0b2673731da88352b6f5d33966c139a0821f1

SHA512
078816af70345b61d061e425a1034f116c929ea9643c2d7b572683dbf415455e417a9187a28136e2127b49f0207714bb24432d326f3afab9fb99767cc219ac30

Download Submit