57555d30b94ddfdf15d1b1ee7b01b104c5c73a5146ce79851c80a996c59b946e

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 23:03

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General

Target

42 prikolyxa/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

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

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

Drops file in Windows directory 2 IoCs

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

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 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-wmplayer	wmplayer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-wmplayer\CLSID = "{cd3afa96-b84f-48f0-9393-7edc34128127}"	wmplayer.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2392887640-1187051047-2909758433-1000\{9AFE64C0-BC67-4610-BF68-A1E45E944FDC}	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	unregmp2.exe
Token: SeCreatePagefilePrivilege	3376	unregmp2.exe
Token: SeShutdownPrivilege	1180	wmplayer.exe
Token: SeCreatePagefilePrivilege	1180	wmplayer.exe
Token: 33	4072	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4072	AUDIODG.EXE
Token: SeShutdownPrivilege	1180	wmplayer.exe
Token: SeCreatePagefilePrivilege	1180	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1180	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 4604	1180	wmplayer.exe	85
PID 1180 wrote to memory of 4604	1180	wmplayer.exe	85
PID 1180 wrote to memory of 4604	1180	wmplayer.exe	85
PID 4604 wrote to memory of 3376	4604	unregmp2.exe	87
PID 4604 wrote to memory of 3376	4604	unregmp2.exe	87

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\42 prikolyxa\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:1180
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4604
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3376

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:1612

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4c4 0x244
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4072

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
384KB

MD5
5f77e2589660a79c038fbb3c0801827c

SHA1
2d3ae441464869ec3a13409b8151f56d1f214c61

SHA256
cc3ac2f756132a1a7491374df8d2422589e4c739d3cfe544cc5965f07fb19d53

SHA512
9bf1d722ffee0fa0b1788fb75b93ca1f259c4c398443e0d7123211a4a92a74ede8dd9b3e203dd6fa8ce368dcfab2436311dbbf36210893e72a253fd2845639ca

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

Filesize
1024KB

MD5
da116dd3c14509595a81e7725fb7b1c9

SHA1
202166a2769cee3393245d52837b506afcd2ebd1

SHA256
a291d0fc3c668b54cfaf02376b993829946853b90475d1f65db7c31e478cea88

SHA512
a649b734ddfd3dd45602b4153d36b4890a7a62b97119fe13c15d4d3889f453cd675155028560f86c041784f217359ee78fa5eda64c154b66c8f6c44b572811dc

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

Filesize
68KB

MD5
59737b30e6237190046ca6d8592e4176

SHA1
35b103ca14bec781d916e5edc4a502743cfe70e9

SHA256
3b122bf17a90d5127b756a429e1933ba2427d90407419868e919d5996ab66ab6

SHA512
2f43652dce126da0428c52672feeb4ff0856e57751f649c39cc72870ec27627dc7f681048bb305ebbf55cd5f67df676afc0cf44d1c4c7af7c47d557ea6f19c19

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
5433eab10c6b5c6d55b7cbd302426a39

SHA1
c5b1604b3350dab290d081eecd5389a895c58de5

SHA256
23dbf7014e99e93af5f2760f18ee1370274f06a453145c8d539b66d798dad131

SHA512
207b40d6bec65ab147f963a5f42263ae5bf39857987b439a4fa1647bf9b40e99cdc43ff68b7e2463aa9a948284126ac3c9c7af8350c91134b36d8b1a9c61fd34

Download Submit
C:\Users\Admin\AppData\Local\Temp\wmsetup.log

Filesize
1KB

MD5
4f15c894e062bffd24c36c560a9a7dc5

SHA1
10508adccbac09b965910a3202b63e78b2086c86

SHA256
5f559c23ed2ded280ffc74ee1645a358333346173a9fe99c9057512d5887808a

SHA512
0e8d1e90f84b4e2321421bd389fdc62496565916c6c58657be3aa2a53cd82d80c7f2ba24a67a8279961770f4cbe0467cb030eb3b957bb082e9a96f5671dee9a7

Download Submit
memory/1180-32-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1180-27-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1180-29-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1180-31-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1180-28-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1180-30-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1180-47-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/1180-54-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/1180-59-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/1180-61-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/1180-62-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download