596e6e2948eb2fbc7eb5627080b24af20dc904d17ec1b8a145bc35c3d2be7591

Analysis

max time kernel
15s
max time network
20s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2023, 19:23

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General

Target

2023-07-17_13-25-13.mkv
Size

7.2MB
MD5

107e15e04c4768c6d2c682f18a4c31af
SHA1

250159bdf1d63e9aae2630258af3c5c08b53f44a
SHA256

596e6e2948eb2fbc7eb5627080b24af20dc904d17ec1b8a145bc35c3d2be7591
SHA512

5107067c63b23b1bf18ed4acdff21321ad9b3934c56a1f582c06d59cca8abc94e2b14faa79bf8b1cd51444a4c1cd9367ce082c1f56ab2db9237133373c8705c7
SSDEEP

196608:YOVu76VQqVdQ2KV8AZ0NgFbMytKI2ZsqqeGLyT0ONB+gdD:9VxnKV8AiNgKyJ2G6T0BKD

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3052	unregmp2.exe
Token: SeCreatePagefilePrivilege	3052	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 4728	3068	wmplayer.exe	85
PID 3068 wrote to memory of 4728	3068	wmplayer.exe	85
PID 3068 wrote to memory of 4728	3068	wmplayer.exe	85
PID 3068 wrote to memory of 2456	3068	wmplayer.exe	86
PID 3068 wrote to memory of 2456	3068	wmplayer.exe	86
PID 3068 wrote to memory of 2456	3068	wmplayer.exe	86
PID 2456 wrote to memory of 3052	2456	unregmp2.exe	87
PID 2456 wrote to memory of 3052	2456	unregmp2.exe	87

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\2023-07-17_13-25-13.mkv"
1⤵
- Suspicious use of WriteProcessMemory
PID:3068
- 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\2023-07-17_13-25-13.mkv"
  2⤵
  PID:4728
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3052

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

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C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

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
33f2a04c1e4e425397765c4317dec71f

SHA1
18b35696fe4e4a5b508ad6367f05ea82203a79ac

SHA256
3539257ee1001dc13f3acd34c3e9860f2d649a1d46c9de80df5b9aa6285007e0

SHA512
6386610e3d926bcdfcdc09cf5a19167b447eeaa27d0d5b020037580c11ea0df421542c2d42210a49678868f0c5e48963af51795f77bb8625c486e9684beb6ed7

Download Submit