7c74e7e7692022a36569bd057e368afd2fa73ba423b9564580ea137f8bb70fe6

Resubmissions

03/11/2023, 09:28

231103-lflfaahe73 7

03/11/2023, 09:15

231103-k72qxafc3v 7

Analysis

max time kernel
140s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2023, 09:15

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

fuckingsound.mp3
Size

63KB
MD5

45625f88f5dd1d2f5a73ee4cef3d91a6
SHA1

3270f4f3a1006529b4772eeaf9ecb18cd0850156
SHA256

8dc7e248d5e15fcb0682a10e98307af30e6854dc60a2a51553a64572000c75e2
SHA512

f977f108ae93e62effb5f6c40a0d7d6da2567998b63bd6868ddd95a35ffcc99538f5f955cb53f819e757d7deeba13d16c6a55856bdd9f0c05c45be9fd38364f9
SSDEEP

1536:V9IOE46wrqoiP4D4xdHwT0FDCZXAUs4u/oH3Iw4YSi:HnE461oiQ4xlwT0N+Ai3tH

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1080	unregmp2.exe
Token: SeCreatePagefilePrivilege	1080	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 3708	1372	wmplayer.exe	90
PID 1372 wrote to memory of 3708	1372	wmplayer.exe	90
PID 1372 wrote to memory of 3708	1372	wmplayer.exe	90
PID 1372 wrote to memory of 2168	1372	wmplayer.exe	91
PID 1372 wrote to memory of 2168	1372	wmplayer.exe	91
PID 1372 wrote to memory of 2168	1372	wmplayer.exe	91
PID 2168 wrote to memory of 1080	2168	unregmp2.exe	92
PID 2168 wrote to memory of 1080	2168	unregmp2.exe	92

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\fuckingsound.mp3"
1⤵
- Suspicious use of WriteProcessMemory
PID:1372
- 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\fuckingsound.mp3"
  2⤵
  PID:3708
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1080

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

Loading Replay Monitor...

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
e5103604abecf08eba0186aec5a919b0

SHA1
a315416f8f586bb11823434c4a7c6e14b3e33289

SHA256
781d0e75ad74ede6aa6e017983d3262479281a17145d30a3054aad36892d0eef

SHA512
501e4256f43bc1db3caadeff1749a7ba54d7966f719ce1f3492bfe8eff407481d0e9be6379101aa10bc5fdb10812f87aa20c9d4791037f18d9b5a19ef9cd3ec7

Download Submit