581a836381b7012c2491af9b8aecbe084a5bb157254ef07a5d46883bd8933d8b

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22/04/2023, 05:20

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General

Target

Zuma Deluxe/cached/sounds/chant14.wav
Size

209KB
MD5

d3408ba45c32815dafbd9303971e30ca
SHA1

a6e1083ce4ed163c3d73a0d005f75bd9df482f9d
SHA256

765b8f3b6d9825fd26bea60564826639de0bd83f69e94eb4189c8cc753fe85d4
SHA512

3b7e6c6c7a338822b68c0d9c4a52fcac0806f5185bb25e6c9f1b13f0f4468ce332fcaddaf9dd3f375530f15af356ee643258fffd18e6282f82f90b345ec1d4e9
SSDEEP

3072:A2bVaKswfbyVHFpdbJw4DaBiB/FLhlt2FDZ107lWsfSxoAXn0fpWUxTu:1vswTyVHHxzacfft2NZqR3SxoAXGW9

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1348	unregmp2.exe
Token: SeCreatePagefilePrivilege	1348	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 4324	1808	wmplayer.exe	86
PID 1808 wrote to memory of 4324	1808	wmplayer.exe	86
PID 1808 wrote to memory of 4324	1808	wmplayer.exe	86
PID 1808 wrote to memory of 3284	1808	wmplayer.exe	87
PID 1808 wrote to memory of 3284	1808	wmplayer.exe	87
PID 1808 wrote to memory of 3284	1808	wmplayer.exe	87
PID 3284 wrote to memory of 1348	3284	unregmp2.exe	88
PID 3284 wrote to memory of 1348	3284	unregmp2.exe	88

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\Zuma Deluxe\cached\sounds\chant14.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1808
- 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\Zuma Deluxe\cached\sounds\chant14.wav"
  2⤵
  PID:4324
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3284
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1348

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
b94f861bd46cc779642551ebd504a4ee

SHA1
53227c428d4fb5b57a4d9b735801ec7a368e1b77

SHA256
933f89e4c77036f0b4bb5dd3eded20b7adcbbfb7c07e063b4b61797d15289340

SHA512
d16a983ef826e869459532c932a52766a0e732739275b28c8397743b4436796e0e44eda458830520fdabf24bfdcab826400676d4d0d47f674b31d744751b11f0

Download Submit