d16dddc1e9ad69c5ef67afd93eb801c74ca5b95ec8b46741786c8c8ec47b1b1d

Analysis

max time kernel
136s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 20:20

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General

Target

found.wav
Size

7KB
MD5

3faef40d30921bd14fc16d8df716b930
SHA1

88bff644c535012d4a0f306f5ab06b8e835086bd
SHA256

7651066d2eca622e832125f0766d0aa7aecc6ff2fa72f07354f20abeb2b99208
SHA512

7707e436b620ccb3acc733b101860dcf8315fd0687397e61f4e5957458b09ebab8bc85b25243eb54392c2be7e109cb53cc0952602381398efec68499039cfd08
SSDEEP

192:jwwBnVSn6gGGywj1yhvdKgucgRk7KuhmKaV:jwwfpcj1yq/cdmuhmKaV

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 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)	\??\B:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\U:	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)	\??\J:	unregmp2.exe
File opened (read-only)	\??\K:	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)	\??\A:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unregmp2.exe

description pid process

Token: SeShutdownPrivilege 852 unregmp2.exe
Token: SeCreatePagefilePrivilege 852 unregmp2.exe

description	pid	process
Token: SeShutdownPrivilege	852	unregmp2.exe
Token: SeCreatePagefilePrivilege	852	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 4984 wrote to memory of 3832	4984	wmplayer.exe	setup_wm.exe
PID 4984 wrote to memory of 3832	4984	wmplayer.exe	setup_wm.exe
PID 4984 wrote to memory of 3832	4984	wmplayer.exe	setup_wm.exe
PID 4984 wrote to memory of 3040	4984	wmplayer.exe	unregmp2.exe
PID 4984 wrote to memory of 3040	4984	wmplayer.exe	unregmp2.exe
PID 4984 wrote to memory of 3040	4984	wmplayer.exe	unregmp2.exe
PID 3040 wrote to memory of 852	3040	unregmp2.exe	unregmp2.exe
PID 3040 wrote to memory of 852	3040	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\found.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4984

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\found.wav"
2⤵
PID:3832

C:\Windows\SysWOW64\unregmp2.exe
"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
2⤵
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\system32\unregmp2.exe
"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:852

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Filesize
256KB

MD5
adbd8353954edbe5e0620c5bdcad4363

SHA1
aeb5c03e8c1b8bc5d55683ea113e6ce1be7ac6e6

SHA256
64eff10c4e866930d32d4d82cc88ec0e6f851ac49164122cae1b27eb3c9d9d55

SHA512
87bf4a2dc4dd5c833d96f3f5cb0b607796414ffee36d5c167a75644bcbb02ab5159aa4aa093ed43abe290481abc01944885c68b1755d9b2c4c583fcccd041fd2

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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
7fb801d8748e94c66175111552cf7716

SHA1
3c1a1fcfe97bb160acaf5670ea16b6ac25b2a8cd

SHA256
585f7ab8acd642978cb063667a510698c98a338cde0daa1a6a5aab3f36a76ff2

SHA512
b4dc80aca071d6934597d37c148fc64ab15de179a14d3144fe1ce07fa2808a81e093d69c0751500646b227d78bdc526ce9ae287edda4cc8fff13985ed85ec9ce

Download Submit