37b533a715bd962424dd394cd17b2ecdb74bb08d5c2a629b27ecfd25b586cffa

Analysis

max time kernel
92s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31-03-2023 18:52

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General

Target

hra/LLL_Mantis_Data/StreamingAssets/Black Mesa.wav
Size

432KB
MD5

d0181bdaf0cd72206bbd58ff5378714f
SHA1

7b1ce716bc1ec06e7334f347dff5d60e297df7c5
SHA256

2d527024b12512531794583fc43d6b6ffe073b0ff541efdaac23ec70df17f96a
SHA512

cb8a655a96ad2d98c6cb73e73e1396be7e40a863fed92b5c2e331f0a93a0962cf085fa769004ba3524a93c4fa18641063981e58c8f4889b0a4fc4a20f0481683
SSDEEP

12288:eaAXS+eCxhtleHUFCftiZUcT46METdU89HMstogm:PACFCNEUFCfUxnMEB7ssthm

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 24 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)	\??\G:	unregmp2.exe
File opened (read-only)	\??\H:	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)	\??\R:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\F:	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)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\V:	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)	\??\U:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	800	unregmp2.exe
Token: SeCreatePagefilePrivilege	800	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 1360	1188	wmplayer.exe	83
PID 1188 wrote to memory of 1360	1188	wmplayer.exe	83
PID 1188 wrote to memory of 1360	1188	wmplayer.exe	83
PID 1188 wrote to memory of 664	1188	wmplayer.exe	84
PID 1188 wrote to memory of 664	1188	wmplayer.exe	84
PID 1188 wrote to memory of 664	1188	wmplayer.exe	84
PID 664 wrote to memory of 800	664	unregmp2.exe	85
PID 664 wrote to memory of 800	664	unregmp2.exe	85

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\hra\LLL_Mantis_Data\StreamingAssets\Black Mesa.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- 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\hra\LLL_Mantis_Data\StreamingAssets\Black Mesa.wav"
  2⤵
  PID:1360
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:664
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:800

Network

MITRE ATT&CK Enterprise v6

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
351c5a7093b3c585a5d6d0ffb9586873

SHA1
e0c8957a9033278cff5a8a39169dac0baccaf9fe

SHA256
3429a06dad573f966bf79b108ba48a95b9eef8f52d86f61ae49d6af76bc29b69

SHA512
132b860f7047abad3154307c891ce9f0e2d04a2f9520d7368780efd05e1a7a47fda1598ad6ea91661080de67072a751fd619d67d175b59f4200578c16267a05c

Download Submit