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

sound_out2.wav
Size

53KB
MD5

ced76f9b8fa6a838c24d79fdcb5b9d14
SHA1

461b9b56fcefd036c4cafb67a0736c0344f4f56d
SHA256

6a90330be3c02b2e9f14f6eefc3b8e626f7b96053e30dbc02d5257653ca83761
SHA512

a4df9f58692c17ab12457f63aa9f800d1c061356fbda0c99cca223be9deff975a646fa24aa4c1d150ad35a6085aff50b7a8ee2fcff2727f78b3cb4148c0addef
SSDEEP

768:Zq5jG6rlzfky38Px6c8pa9bGHExnLchLigz038mixEoPUqT5RzX1pOjlOnZO97+G:Cj3lbky3G4DpvR+EwEPUqTtgaPA

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unregmp2.exe

description pid process

Token: SeShutdownPrivilege 5032 unregmp2.exe
Token: SeCreatePagefilePrivilege 5032 unregmp2.exe

description	pid	process
Token: SeShutdownPrivilege	5032	unregmp2.exe
Token: SeCreatePagefilePrivilege	5032	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 3204 wrote to memory of 820	3204	wmplayer.exe	setup_wm.exe
PID 3204 wrote to memory of 820	3204	wmplayer.exe	setup_wm.exe
PID 3204 wrote to memory of 820	3204	wmplayer.exe	setup_wm.exe
PID 3204 wrote to memory of 620	3204	wmplayer.exe	unregmp2.exe
PID 3204 wrote to memory of 620	3204	wmplayer.exe	unregmp2.exe
PID 3204 wrote to memory of 620	3204	wmplayer.exe	unregmp2.exe
PID 620 wrote to memory of 5032	620	unregmp2.exe	unregmp2.exe
PID 620 wrote to memory of 5032	620	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\sound_out2.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:3204

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\sound_out2.wav"
2⤵
PID:820

C:\Windows\SysWOW64\unregmp2.exe
"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
2⤵
- Suspicious use of WriteProcessMemory
PID:620

C:\Windows\system32\unregmp2.exe
"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:5032

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
256KB

MD5
9c481a94abc7eee23cd5234262e60077

SHA1
2873225e708fb5461ac60c3613fe12112423f0f0

SHA256
681c9665d741ca6ed709cdd79d070ff7f4fdf158e02342f7d47e90a6d962b061

SHA512
0579499b5f01649f7e5e3afad07b4c7924d30fbc56dd12b37d9ad46bdefe35fcb6371694c1eff6c42d56c21b1de4c4f40531b27cd32eca1bdf51c6cac41fe668

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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
7ccfc7a44537e88848a1de8cfc8e9f55

SHA1
67a9d99e75a527cdb1e531861669411149b375e5

SHA256
7037af246101079fbbfdea1a06cf4eea55de555ab0f0faf9a0cca9b48a37a34c

SHA512
ff286f04ab94eaa92208437ee7467f14148a11f2070ec0e5816d09991eef4f0697c7d9e4eaaead699a4da6711995aa62bcc10ce4b0d1e310e4508494d9e432f4

Download Submit