c5ac8ed1214c7eb71d2940ce96775f650202ac4e1f4766236196e95d5ac66dab

Resubmissions

08-08-2024 19:37

240808-ybxnzayblk 10

Analysis

max time kernel
272s
max time network
204s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-08-2024 19:37

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General

Target

XWorm v5.6 Edition Cracked By @Drcrypt0r/Sounds/Intro.wav
Size

238KB
MD5

ad3b4fae17bcabc254df49f5e76b87a6
SHA1

1683ff029eebaffdc7a4827827da7bb361c8747e
SHA256

e3e5029bf5f29fa32d2f6cdda35697cd8e6035d5c78615f64d0b305d1bd926cf
SHA512

3d6ecc9040b5079402229c214cb5f9354315131a630c43d1da95248edc1b97627fb9ba032d006380a67409619763fb91976295f8d22ca91894c88f38bb610cd3
SSDEEP

3072:FU3hYG9X9JzhaLL5+QYKHZDa6D+4LT92KEpcP+b8FGUt0Ybs5e9jXjubLtNmBNs9:GjVsLL5lva6D+4P9llWvaGe9CHeBNm

Score

6^/10

discovery

Malware Config

Signatures

Drops desktop.ini file(s) 7 IoCs

Processes:

wmplayer.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Music\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Public\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	wmplayer.exe

Enumerates connected drives 3 TTPs 46 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:

wmplayer.exeunregmp2.exe

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

Drops file in Windows directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

wmplayer.exeunregmp2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unregmp2.exe

Modifies registry class 1 IoCs

Processes:

wmplayer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-656926755-4116854191-210765258-1000\{48B4954A-C3E2-4769-B3F6-9E2AE600AF88}	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

wmplayer.exeunregmp2.exeAUDIODG.EXE

description	pid	process
Token: SeShutdownPrivilege	1400	wmplayer.exe
Token: SeCreatePagefilePrivilege	1400	wmplayer.exe
Token: SeShutdownPrivilege	1556	unregmp2.exe
Token: SeCreatePagefilePrivilege	1556	unregmp2.exe
Token: 33	3972	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3972	AUDIODG.EXE
Token: SeShutdownPrivilege	1400	wmplayer.exe
Token: SeCreatePagefilePrivilege	1400	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

wmplayer.exe

pid process

1400 wmplayer.exe

pid	process
1400	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 1400 wrote to memory of 376	1400	wmplayer.exe	unregmp2.exe
PID 1400 wrote to memory of 376	1400	wmplayer.exe	unregmp2.exe
PID 1400 wrote to memory of 376	1400	wmplayer.exe	unregmp2.exe
PID 376 wrote to memory of 1556	376	unregmp2.exe	unregmp2.exe
PID 376 wrote to memory of 1556	376	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\XWorm v5.6 Edition Cracked By @Drcrypt0r\Sounds\Intro.wav"
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:376
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1556

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:2604

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2f4 0x470
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
64KB

MD5
987a07b978cfe12e4ce45e513ef86619

SHA1
22eec9a9b2e83ad33bedc59e3205f86590b7d40c

SHA256
f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8

SHA512
39b86540e4d35c84609ef66537b5aa02058e3d4293f902127c7d4eac8ffc65920cb5c69a77552fc085687eed66e38367f83c177046d0ecb8e6d135463cc142aa

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
1024KB

MD5
8ec692343872f4eaf8cfee54f929e23e

SHA1
9c76e4f80a1d73069c6ea86c847e9804d0099ada

SHA256
440bff28f08e486b5b6fc3fa5f3d57df1ea81ee353708c4f5cb0a243684f4940

SHA512
34c22bdb5404eb420b07d0180609e1442e2668b83be304ef8e757e9362af3b4def60dbda068b6a32d34ee047f3392efcd358d691a14035240e6e9c81d98a6f0e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb

Filesize
68KB

MD5
9e42db252f9788b6a1bb9d6d6a6b2143

SHA1
eb5837bd5cda4aaa55ff6c079e1c6409c7399522

SHA256
022b43cce5ed1a022fbf1507b82d0fa1f38a146f9452e45c4a6243dab9348e93

SHA512
e4d062a316e19e6ceb73db5ae347d7ea013c3258e23fb2928cdfb4928d3d67bc2c945426fe784d1ec8fac269b019f53ec07a048085aaaa899cd2845dd6c4d879

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD

Filesize
498B

MD5
90be2701c8112bebc6bd58a7de19846e

SHA1
a95be407036982392e2e684fb9ff6602ecad6f1e

SHA256
644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf

SHA512
d618b473b68b48d746c912ac5fc06c73b047bd35a44a6efc7a859fe1162d68015cf69da41a5db504dcbc4928e360c095b32a3b7792fcc6a38072e1ebd12e7cbe

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
2057dfab95452bc568188f08dacfd76d

SHA1
c19106bca30b0ce58d804d620592c4c806003141

SHA256
7eaae7d823ab580ce3a34c547f46c5b52896e4a6eed49dd6b868365eaf5d0fc6

SHA512
a08deb795db84474853f3d6ef14b40ae7e2b899b9070a271a1f399023994c1de36d165cf5351b2cdfecf322ed14f906b9cb4670ee3e90005feb2bca56d5acb5e

Download Submit
memory/1400-33-0x0000000004560000-0x0000000004570000-memory.dmp

Filesize
64KB

Download
memory/1400-31-0x0000000004560000-0x0000000004570000-memory.dmp

Filesize
64KB

Download
memory/1400-32-0x0000000004560000-0x0000000004570000-memory.dmp

Filesize
64KB

Download
memory/1400-34-0x0000000004560000-0x0000000004570000-memory.dmp

Filesize
64KB

Download
memory/1400-36-0x0000000004560000-0x0000000004570000-memory.dmp

Filesize
64KB

Download
memory/1400-35-0x0000000004560000-0x0000000004570000-memory.dmp

Filesize
64KB

Download