e95c2508bab20b1fb478a24d4c4a3ee75bec5e1b8e7a0c66928948cec30773cf

Analysis

max time kernel
109s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2023 03:06

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General

Target

happytime-onvif-server/happytime-rtsp-server/test.mp4
Size

7.8MB
MD5

39e3ce8e8a95b00f528145360e9eafd6
SHA1

271e65a9657d5aeda2f91ebf6b6abb928878a2f8
SHA256

fc27bb451fc5fb4a40579d1bd45f60487e25febe5247f4b40dcea84f76ca48dd
SHA512

946e94fe3f0d872552cf5c28fb92a197799aafae8b33aa441c13f65392171c590c576cc7db8a769d3ef270ff71c006adfae9a7176c552f7380d70234162e9590
SSDEEP

196608:Fkz9RQ3xJyNoe2cSnw1M8agj86QT1hCNDJ+jJcr0rbZd5k9R19bY9kSyqvHnmj:eJRQpe2fw1WXU+jJc2bZzIR789dvHnI

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unregmp2.exe

description pid process

Token: SeShutdownPrivilege 5044 unregmp2.exe
Token: SeCreatePagefilePrivilege 5044 unregmp2.exe

description	pid	process
Token: SeShutdownPrivilege	5044	unregmp2.exe
Token: SeCreatePagefilePrivilege	5044	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 2096 wrote to memory of 5040	2096	wmplayer.exe	setup_wm.exe
PID 2096 wrote to memory of 5040	2096	wmplayer.exe	setup_wm.exe
PID 2096 wrote to memory of 5040	2096	wmplayer.exe	setup_wm.exe
PID 2096 wrote to memory of 388	2096	wmplayer.exe	unregmp2.exe
PID 2096 wrote to memory of 388	2096	wmplayer.exe	unregmp2.exe
PID 2096 wrote to memory of 388	2096	wmplayer.exe	unregmp2.exe
PID 388 wrote to memory of 5044	388	unregmp2.exe	unregmp2.exe
PID 388 wrote to memory of 5044	388	unregmp2.exe	unregmp2.exe

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\happytime-onvif-server\happytime-rtsp-server\test.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:2096

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" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\happytime-onvif-server\happytime-rtsp-server\test.mp4"
2⤵
PID:5040

C:\Windows\SysWOW64\unregmp2.exe
"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
2⤵
- Suspicious use of WriteProcessMemory
PID:388

C:\Windows\system32\unregmp2.exe
"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:5044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/388-133-0x0000000000000000-mapping.dmp

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memory/5040-132-0x0000000000000000-mapping.dmp

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memory/5044-134-0x0000000000000000-mapping.dmp

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