e486427733d1d915d8bb59e31321163c26b4f6456bafdc88055ff6aa7bd1e049

Analysis

max time kernel
422s
max time network
427s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2023, 05:13

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General

Target

robloxapp-20221213-1938383.wmv
Size

6.3MB
MD5

bc88bd3c36b05b37ba2f8ca4e1962d91
SHA1

c63db24079726d46881eae4254baa6bd0abf6af9
SHA256

e486427733d1d915d8bb59e31321163c26b4f6456bafdc88055ff6aa7bd1e049
SHA512

8441dfd5e10310ac0f9af49aeb64d3cec0bdee242637495d145f0b67f75fc57826574a1c43cfb1163ead5c81e94440753f356f23f3c8ea80848b2f28111cd713
SSDEEP

98304:Yz9FBVqbGMh5rBdbMb8JGidpVoq23ZUMGDc0DouSkMXWiOEgpithc1lOsQIjZzx:YDObGi508oidpV2ZGDL/ScEg8c1lOJKx

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4984	unregmp2.exe
Token: SeCreatePagefilePrivilege	4984	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2248	4932	wmplayer.exe	81
PID 4932 wrote to memory of 2248	4932	wmplayer.exe	81
PID 4932 wrote to memory of 2248	4932	wmplayer.exe	81
PID 4932 wrote to memory of 3756	4932	wmplayer.exe	82
PID 4932 wrote to memory of 3756	4932	wmplayer.exe	82
PID 4932 wrote to memory of 3756	4932	wmplayer.exe	82
PID 3756 wrote to memory of 4984	3756	unregmp2.exe	83
PID 3756 wrote to memory of 4984	3756	unregmp2.exe	83

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:7 /Open "C:\Users\Admin\AppData\Local\Temp\robloxapp-20221213-1938383.wmv"
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- 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:7 /Open "C:\Users\Admin\AppData\Local\Temp\robloxapp-20221213-1938383.wmv"
  2⤵
  PID:2248
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3756
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4984

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

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

Filesize
1KB

MD5
10af6c876a5665169e9daa8de2fc425d

SHA1
e2a5caa262da1045e40a3a0756508c38312e5559

SHA256
3b14a91f4680b5daed691ec7336f54b1a79deb9db535d64c8d6d5e4d43cabaa7

SHA512
73298293d813dfe4c4489ae33d46d4a9060302d23826a440384be2d0fb3fca0e388b787f06d9aef20d5b960535fd74aa31eed95c44377cfb9aa1d353c3c0c8f7

Download Submit