c148c4ae4e093b3653496766f69a01b2fff54fce595836e71373efc8e4ee6794

Analysis

max time kernel
139s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09-06-2023 18:41

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General

Target

sound3.wav
Size

46KB
MD5

47f029f497ae8220366d4f0b1d5776f6
SHA1

f97ec2775157b22b11e3e460a5badc32eea958e5
SHA256

199209b0239bf1eba9e60df85c6d3049650ccaea3587c0310d8233466b6d2f5f
SHA512

92861f60b2f8eb75b8ec066f28cf3b3f7f22081cb283406cc1c854cc1754b4b4febbde9d01f93fb6347bd83337b754a2d67a4ef181121508642cf071bc63ffcc
SSDEEP

768:B+8rh9/dm5TT5tx0Zuh259+J5t86m1A/CvWlx8Dj:Bth9/deTT5/0M8+d8G/4Dj

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unregmp2.exe

description pid process

Token: SeShutdownPrivilege 212 unregmp2.exe
Token: SeCreatePagefilePrivilege 212 unregmp2.exe

description	pid	process
Token: SeShutdownPrivilege	212	unregmp2.exe
Token: SeCreatePagefilePrivilege	212	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 4056 wrote to memory of 3680	4056	wmplayer.exe	setup_wm.exe
PID 4056 wrote to memory of 3680	4056	wmplayer.exe	setup_wm.exe
PID 4056 wrote to memory of 3680	4056	wmplayer.exe	setup_wm.exe
PID 4056 wrote to memory of 3800	4056	wmplayer.exe	unregmp2.exe
PID 4056 wrote to memory of 3800	4056	wmplayer.exe	unregmp2.exe
PID 4056 wrote to memory of 3800	4056	wmplayer.exe	unregmp2.exe
PID 3800 wrote to memory of 212	3800	unregmp2.exe	unregmp2.exe
PID 3800 wrote to memory of 212	3800	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\sound3.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4056

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\sound3.wav"
2⤵
PID:3680

C:\Windows\SysWOW64\unregmp2.exe
"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
2⤵
- Suspicious use of WriteProcessMemory
PID:3800

C:\Windows\system32\unregmp2.exe
"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:212

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

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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

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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
e96acf2eb034ca64bd66ead44f696b94

SHA1
5680b14874d30449abf473250b8c2a1a39c7e236

SHA256
065a0ce88b122608a5854bd1febb2b465ce18543f110be94f7e0d23c933641c4

SHA512
0629b81eb6b468d49423283d71c7fe048ada3c4c2516c7c3bf74dcc593788411737da327fe84d18081beb358c7a96c1f739d5e609ed772b5cbf7578cd41b6442

Download Submit