bea0714c016960dfa97069125eb49ed1c2517c050e9e0a723efe850254d16938

Analysis

max time kernel
140s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2023 13:21

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General

Target

Setting File/Operating Video/Bluetooth layer.mp4
Size

1.4MB
MD5

febf9fbbce2290d8b8647e504eaf91f8
SHA1

6995146a73a65a6d1ea8217e781cf75bf2d7b711
SHA256

94c01ae02fb1f29478152c1c3e66e5408faf36aa2071e658c174844a931ffd25
SHA512

28e20d19d4c46ac7c464963d71c96da173aead1560966e8a35ed21702fd41173bfae9df860781b1f9a358c3090952b1335f305c1738d4f7e441c52c4e5b72d1c
SSDEEP

24576:+gviQgUeQK+b449jTBePTzX7JezqdcNnTGyuheMGZwutB4yfoVpOZL:+gqQgLQK+bR98X7Je28TQheMGuutBro+

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3616	unregmp2.exe
Token: SeCreatePagefilePrivilege	3616	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 8	3960	wmplayer.exe	81
PID 3960 wrote to memory of 8	3960	wmplayer.exe	81
PID 3960 wrote to memory of 8	3960	wmplayer.exe	81
PID 3960 wrote to memory of 4324	3960	wmplayer.exe	82
PID 3960 wrote to memory of 4324	3960	wmplayer.exe	82
PID 3960 wrote to memory of 4324	3960	wmplayer.exe	82
PID 4324 wrote to memory of 3616	4324	unregmp2.exe	83
PID 4324 wrote to memory of 3616	4324	unregmp2.exe	83

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\Setting File\Operating Video\Bluetooth layer.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:3960
- 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\Setting File\Operating Video\Bluetooth layer.mp4"
  2⤵
  PID:8
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3616

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
fc240c081ec382df4b74d591d7d37a45

SHA1
396e9d8accb2ff8b32e6c3957808cb87d23ad47c

SHA256
8cfeb277627a0fc9f2596c83dc37f9a3d8871293cd88dadd08f32098bf936038

SHA512
d8f83773c330b88b43f9ebc6220aa98368854e44a75b73a8575e7171f6c32e784d404e5a2e2e7787d3c71c0cfecdbb983631b639d9fee879b374d498d2ef0ab7

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
c7a44c016081a8a578659499e0e47712

SHA1
bd02f08e0a231abd72dfb50c4b05aa27674e995d

SHA256
7ce22d5bc27d5cc039395c9f5696e89fabaf673978c3e877476110a20dd29339

SHA512
adad14e22fc50c65aef1ec1f19aea766c7e422b5f6e2ab199b29d6a9f9ad88a32e5ae36a59699240020614032f6b5508360b0bdc6606f850024e09bf20c53eb5

Download Submit