981eeb419fd3ac1a7701cebe39149c89c8ba22a389936e93b3984d9640fdfad8

Analysis

max time kernel
141s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 21:58

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General

Target

art/sound/engine/0BE1F1A5405C187702AEE893B40ABF5F/EXH_1380.wav
Size

191KB
MD5

9f717e844e1fb630e60c3ac54ff9fdd7
SHA1

ab57f6957ca16402585c352964a2b0a937d03b65
SHA256

09c1168fdcf349c8eaa76034ec005a1576a42d6e9dd01e0bf478ca01072ea015
SHA512

04013039b4252fcb646a33b3a787998d1041ad9e37dc0d78f85da23f1c4bf20c91e50d5e78bfaa0ba9fef31d28bd89cc51dbb1a965b11fe30ade36813075335f
SSDEEP

768:B3O1Mr1h1Y7RN/ekYltZCyV/V1nsIyJOiCRHIdBBZFF+360UdvnkL0+vTogBh2wG:JU

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4144	unregmp2.exe
Token: SeCreatePagefilePrivilege	4144	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5508 wrote to memory of 4464	5508	wmplayer.exe	88
PID 5508 wrote to memory of 4464	5508	wmplayer.exe	88
PID 5508 wrote to memory of 4464	5508	wmplayer.exe	88
PID 5508 wrote to memory of 1460	5508	wmplayer.exe	89
PID 5508 wrote to memory of 1460	5508	wmplayer.exe	89
PID 5508 wrote to memory of 1460	5508	wmplayer.exe	89
PID 1460 wrote to memory of 4144	1460	unregmp2.exe	90
PID 1460 wrote to memory of 4144	1460	unregmp2.exe	90

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\art\sound\engine\0BE1F1A5405C187702AEE893B40ABF5F\EXH_1380.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:5508
- 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\art\sound\engine\0BE1F1A5405C187702AEE893B40ABF5F\EXH_1380.wav"
  2⤵
  PID:4464
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4144

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
256KB

MD5
563088ad0f20fabf9dd62c6ba8ae1636

SHA1
f9cd2fd153afa1a12ff990cf27c32b8c9c44e878

SHA256
eb897bf202d32f067728f1b666eb16e9926557efa8676b72db11411013030184

SHA512
8229dfb1d96b6a34b91b1e5c463833e7859331be880f585c48af1ba0ace0465ac755c7f22a9e6f30284266165f850e8f85af76157eea8136b2d6f79db02d3092

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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
1bf8e5130523892900cced2c72120dc1

SHA1
4b3ed6774a76dfda47d7e13e6fa66cdcd6345a4b

SHA256
f877be79739fd10f7a5dbb075e81554736919974a2afd1f32f7a6b8f3a1d01c0

SHA512
fcc7316266dd55c2ad7c03b7ded309162be30b8b4f2c35fc94986cd94945c88a19c375de32db8b03717e14e04fc90f3ef8a3e9e8dae43bc88ee7fd4e5352c51d

Download Submit