2a198f370ff2d9c2afbec879a0dc84d1d60f59077178c67bff6a5f4b4210be8f

Analysis

max time kernel
139s
max time network
272s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
12/01/2024, 15:30

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General

Target

Setting File/Setting File/Romoral User Manual/Operating Video/Ctrl Shift Wheelup Wheeldown Setting.mp4
Size

1.2MB
MD5

63dcc92710b98495e9cd2940103b5289
SHA1

9612c9251935e316af298b632c44bbb10f54fabc
SHA256

75bd83e912200676a7b522193fefef2e5f19ca7326ac22096927b54e10021b9e
SHA512

42f2bdcdf4a89214d275e3e6ccf1450e0b4f1a896e17a19956ba1d03427326d0d93612df0cd09d7d0f50b07a94de8a704d159d6134b8e6ad10ef0ea23a8f7869
SSDEEP

24576:7FnWTyyDZk7OPnD+/NimVDusF99ilGBMuR0YtQExh:7RWTXZkiPnq/jT99pM80RWh

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1432	unregmp2.exe
Token: SeCreatePagefilePrivilege	1432	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5444 wrote to memory of 2948	5444	wmplayer.exe	82
PID 5444 wrote to memory of 2948	5444	wmplayer.exe	82
PID 5444 wrote to memory of 2948	5444	wmplayer.exe	82
PID 5444 wrote to memory of 5328	5444	wmplayer.exe	83
PID 5444 wrote to memory of 5328	5444	wmplayer.exe	83
PID 5444 wrote to memory of 5328	5444	wmplayer.exe	83
PID 5328 wrote to memory of 1432	5328	unregmp2.exe	84
PID 5328 wrote to memory of 1432	5328	unregmp2.exe	84

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\Setting File\Setting File\Romoral User Manual\Operating Video\Ctrl Shift Wheelup Wheeldown Setting.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:5444
- 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\Setting File\Setting File\Romoral User Manual\Operating Video\Ctrl Shift Wheelup Wheeldown Setting.mp4"
  2⤵
  PID:2948
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5328
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1432

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
e709816d7074410920fe4815d4ba6f6e

SHA1
cc8c7f106270cc8c0bb58204a680d0f50ac54859

SHA256
57f6039da23299fea0006f191fd2fa1ff515336f130ccef0382b016f59effbc7

SHA512
f6c020ecf8e7a323d7555358bae5e844450078ac345ab56e45292b8670c87c203de8b462e8f79a0f121cf71277e195415ac7f19cc56144d9eeab892bbf5dff6f

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
a64b5604df531a2db1b93fbda06045f2

SHA1
ae0f7c3983213dc0bbd252392a2b758181a4c3ea

SHA256
ed6387d96442341c71384065ed4de17428f329137deb2640cd8f8df3efeac5aa

SHA512
f4478a8385cacdfdb981af7ad3926801e107d29ca7e785c3c6ecf2973d3c10c08497b761bf84e51a4b418f927fcd33802948a077748372d421715a014fcd58de

Download Submit