3974aa507fed5303b0632c268cdb9ea82de4ca7ab4ab7184e361d58ebb912b4b

Analysis

max time kernel
146s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10-06-2023 13:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Changed Special/steamapps/common/Changed Special/Audio/BGM/11.wav
Size

2.7MB
MD5

1e20e5cb1b3d3bfd5939159dd53a53d7
SHA1

43021ca542dee2f88116033989a6ba5e5c842bda
SHA256

5fa7a87d00c3784abb9a43c2e097ab9b379b4e881ece992ac41c22b1b4b5b9b1
SHA512

dea5d77e44f53d7edf143e6eab57b83c08a6ca96a5d69fa6d5deff53d10ef3546c5f7d565e705f99d2db73d4f027f8919f377849c4ad63cf7d95bdbc563e8eac
SSDEEP

49152:bee9LVEUxT3iLP76gcaFVD9BOcRNLBTk7QPPWA6HvZ7bPgly+JNmb6z4+NjxeQU3:6gCgTiugTz54GNLOAgPgDoF3

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

Processes:

unregmp2.exe

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unregmp2.exe

description pid process

Token: SeShutdownPrivilege 4084 unregmp2.exe
Token: SeCreatePagefilePrivilege 4084 unregmp2.exe

description	pid	process
Token: SeShutdownPrivilege	4084	unregmp2.exe
Token: SeCreatePagefilePrivilege	4084	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 4780 wrote to memory of 1504	4780	wmplayer.exe	setup_wm.exe
PID 4780 wrote to memory of 1504	4780	wmplayer.exe	setup_wm.exe
PID 4780 wrote to memory of 1504	4780	wmplayer.exe	setup_wm.exe
PID 4780 wrote to memory of 1480	4780	wmplayer.exe	unregmp2.exe
PID 4780 wrote to memory of 1480	4780	wmplayer.exe	unregmp2.exe
PID 4780 wrote to memory of 1480	4780	wmplayer.exe	unregmp2.exe
PID 1480 wrote to memory of 4084	1480	unregmp2.exe	unregmp2.exe
PID 1480 wrote to memory of 4084	1480	unregmp2.exe	unregmp2.exe

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\Changed Special\steamapps\common\Changed Special\Audio\BGM\11.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4780

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\Changed Special\steamapps\common\Changed Special\Audio\BGM\11.wav"
2⤵
PID:1504

C:\Windows\SysWOW64\unregmp2.exe
"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
2⤵
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\system32\unregmp2.exe
"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:4084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Filesize
256KB

MD5
41e020ee798eceb4ac90cba2142a7a1b

SHA1
714ffdf4ddc441ae72c3fb2e4548a8219ad06fb8

SHA256
60968b6f285adc7f7347c43815c17a27a383807366f91212b81b17cac20131a8

SHA512
29d22703589df058c7f3509ce58f8e2f8fdf1fc2077e0622a796e4f9c17e563994e3cce83d74b5d58d79ae5b335a1e114c86ca7fe149bab10c3656c0acb0ae76

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
681ef5452c252809171cb7929c86ccc7

SHA1
6a9f614defbc65d2d05149f06646baf7683fff1a

SHA256
6fc80eb8a8dbbc2e2838627e7dafd5a3ad2e8f3ed75834e33b59ab172275f1dc

SHA512
07de943bb0737ee480c4120f706a04fb8c0d6ca7348b385aade93f278c0c37ec29f00fcb01d4c015883a743bb5a4487279ae5b25b884a2b79e7356abf8b21b2b

Download Submit