c148c4ae4e093b3653496766f69a01b2fff54fce595836e71373efc8e4ee6794

Analysis

max time kernel
135s
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
09-06-2023 18:41

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General

Target

sound4.wav
Size

58KB
MD5

a1205e78e1b273c0355a77de8a5cc6a3
SHA1

e267a41cb563f4d4761fb6d39e0cfce8c81b31b7
SHA256

c3ed890e51dd519972d2c4ddd7634dc99f0c06771a0f0643c5a2ba2e291a0d5f
SHA512

dbac3dcfa8e99d31e0b0ce7ae8c09386aa336d6cef9ce1d6af5b1e204b54ea2f3b41de5cf50923c66408e8207d00830ea1ca4296613909044da1f06436802caa
SSDEEP

1536:gpUTQlNyuAACYOG7jvZ9CjSTg9VsjZ9R/:g+QnAuOqjvTLTgQ7B

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unregmp2.exe

description pid process

Token: SeShutdownPrivilege 1604 unregmp2.exe
Token: SeCreatePagefilePrivilege 1604 unregmp2.exe

description	pid	process
Token: SeShutdownPrivilege	1604	unregmp2.exe
Token: SeCreatePagefilePrivilege	1604	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 4120 wrote to memory of 2596	4120	wmplayer.exe	setup_wm.exe
PID 4120 wrote to memory of 2596	4120	wmplayer.exe	setup_wm.exe
PID 4120 wrote to memory of 2596	4120	wmplayer.exe	setup_wm.exe
PID 4120 wrote to memory of 3192	4120	wmplayer.exe	unregmp2.exe
PID 4120 wrote to memory of 3192	4120	wmplayer.exe	unregmp2.exe
PID 4120 wrote to memory of 3192	4120	wmplayer.exe	unregmp2.exe
PID 3192 wrote to memory of 1604	3192	unregmp2.exe	unregmp2.exe
PID 3192 wrote to memory of 1604	3192	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\sound4.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4120

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\sound4.wav"
2⤵
PID:2596

C:\Windows\SysWOW64\unregmp2.exe
"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
2⤵
- Suspicious use of WriteProcessMemory
PID:3192

C:\Windows\system32\unregmp2.exe
"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:1604

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

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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
7b9832c5afa630f97ac3bf7862c152d5

SHA1
c3d2e215f6da7c6558d1970af7717938a7b1a315

SHA256
b9b23fa7465ba1038920025c9edb14d51f127d2e211bf673a98c81d4e0a913cb

SHA512
9c12b2391eba11d8d6047750f076f39c35d8dc4db1638536d7aaa4abc37762b63bc7f14ec81d356460240793dc19a0e7ea9b6125048d936f1fbb0f27fd2929c3

Download Submit