c148c4ae4e093b3653496766f69a01b2fff54fce595836e71373efc8e4ee6794

Analysis

max time kernel
135s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
09-06-2023 18:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

sound_out5.wav
Size

78KB
MD5

e22c815f11d197c4010e9ad756815c40
SHA1

e4747ed39a55b84872542a55ea2cf11821efc82c
SHA256

c6168512adb61a1ae03ccbeb0e28f3f762a6119ae7e9293cc860b3af6c4eab4f
SHA512

d932be3d6e35a6fb53df42014f5910823d5dbbdb67ef33acd0a48d0794857d6c2cbcd353b7f19849234e5863317237874edaa5e8575cc42ce9452bab2cf8377f
SSDEEP

1536:EZXciKwuczeLQ6njSoXdwqpQVW6dg0ctA4bp/muQ:EZscuXTVwqp+OA4btG

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)	\??\J:	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)	\??\N:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
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)	\??\T:	unregmp2.exe
File opened (read-only)	\??\U:	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)	\??\G:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unregmp2.exe

description pid process

Token: SeShutdownPrivilege 4284 unregmp2.exe
Token: SeCreatePagefilePrivilege 4284 unregmp2.exe

description	pid	process
Token: SeShutdownPrivilege	4284	unregmp2.exe
Token: SeCreatePagefilePrivilege	4284	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 2604 wrote to memory of 2700	2604	wmplayer.exe	setup_wm.exe
PID 2604 wrote to memory of 2700	2604	wmplayer.exe	setup_wm.exe
PID 2604 wrote to memory of 2700	2604	wmplayer.exe	setup_wm.exe
PID 2604 wrote to memory of 2124	2604	wmplayer.exe	unregmp2.exe
PID 2604 wrote to memory of 2124	2604	wmplayer.exe	unregmp2.exe
PID 2604 wrote to memory of 2124	2604	wmplayer.exe	unregmp2.exe
PID 2124 wrote to memory of 4284	2124	unregmp2.exe	unregmp2.exe
PID 2124 wrote to memory of 4284	2124	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_out5.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:2604

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_out5.wav"
2⤵
PID:2700

C:\Windows\SysWOW64\unregmp2.exe
"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
2⤵
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\system32\unregmp2.exe
"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:4284

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
2936527c6171be1065c6012a3e8ffddd

SHA1
9273557d3cfc6987eac30802569e9d2579d7d4a4

SHA256
e341ab7fd265205d2477cb5234a6c3d35911d7ebb17139b585b55eb7def237e0

SHA512
a83203b4696232299c70ff0f7ae292964417b0636d278544fd252a41e6ab3b5c749e836d83d7b22bc52d56dc069bb8caa0ebf5634b32e3acae7afc87c1215e5d

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
74c65b90fce9d885694f7b1df59dbf4b

SHA1
3c8e38b08ddfc0b991ae54049284161e6cd0efce

SHA256
dca3cee0305d6d59c9eba40dcff577988b65882b85125bf5def3c544d642d47a

SHA512
e49c965144b1c6b25250f595648b639ef41c88c2a99c9f5306f0a4cb10a946021243016cb1056fb7fa973256be2787751cb00240ad00131cf60bc873641d1400

Download Submit