1b68640aa8fd10bd30af2f5a3e0a2a04bc203300fabbbc2401473c07be264632

Analysis

max time kernel
1781s
max time network
1583s
platform
windows10-1703_x64
resource
win10-20240611-es
resource tags

arch:x64arch:x86image:win10-20240611-eslocale:es-esos:windows10-1703-x64systemwindows
submitted
20-06-2024 08:57

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General

Target

$INSTDIR$_8_/Data/amp_models/Fender Deluxe - Marshall Stock 70.wav
Size

4KB
MD5

87638bf2893031b221af0922e973e21d
SHA1

da6640fe9cad53093a656f0d8656812813626ace
SHA256

59b067e001e9425b4c165b9a71ca5e0ea1aa839633dbe4252660c3fe87da1596
SHA512

f4d97c781b3f0e818b1d11e0a3744548d6603039fdecfe885b650c571bcb8bc6a86002f2b89785a9b40395a751b5c7801bb2c5280680e20c4bbbfafa074c8baf
SSDEEP

24:7n03rCHcYcdrStDrKb92ejtr3teZEbmfn7u:703ocYAw3Kb9JWGbh

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 7 IoCs

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

Modifies registry class 2 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

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1940	wmplayer.exe
Token: SeCreatePagefilePrivilege	1940	wmplayer.exe
Token: SeShutdownPrivilege	4468	unregmp2.exe
Token: SeCreatePagefilePrivilege	4468	unregmp2.exe
Token: 33	3348	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3348	AUDIODG.EXE
Token: SeShutdownPrivilege	1940	wmplayer.exe
Token: SeCreatePagefilePrivilege	1940	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1940	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 4872	1940	wmplayer.exe	71
PID 1940 wrote to memory of 4872	1940	wmplayer.exe	71
PID 1940 wrote to memory of 4872	1940	wmplayer.exe	71
PID 4872 wrote to memory of 4468	4872	unregmp2.exe	72
PID 4872 wrote to memory of 4468	4872	unregmp2.exe	72

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\$INSTDIR$_8_\Data\amp_models\Fender Deluxe - Marshall Stock 70.wav"
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Windows\System32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4468

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s upnphost
1⤵
- Drops file in Windows directory
PID:168

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x404
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3348

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

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
8a538564491534b0ee5c0a6177c8bb34

SHA1
a016f8134927292b0bd38079f58649b2b29e5292

SHA256
fb382afe7d90c65908eb3fcfbc5c0f936288c238ae4685d76ef9a219360c8bff

SHA512
6b2af42fb0eb5ede3ce3e06bf17d43f7a1684e35f1a0a1f3057a33df46f0668b7be49ce2781da86950c8c26253a1bf904019cc33c57030ee81db289b53c80f08

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

Filesize
1024KB

MD5
741c860bb9ae5891a6d062d82edb6717

SHA1
940f2b2cac55ab6d5dd6fabcffb92992bb9687a0

SHA256
f369b934f994a83675588e043840911f86451f53087c8e92c0c2579ba1f99d0b

SHA512
5beca1156d9ca80fd551db73143a9258a464a5fa203cbbf09cf40cd5f625d5fc6c9b6d431e3ca2d164f6589e685db4351eadb3e2085fb9955f468a97b1196f8f

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

Filesize
68KB

MD5
6410c581643b840145fd2a67abcb6b88

SHA1
6ab59bf2a71ace967b14f6ff838467faf911caa1

SHA256
8644d60cd59160b5ed6d7226a51c9c42518ca41e7c75c3e843bcf8cd7b303296

SHA512
14d85454480809d25837bc594984262e168bc970da4705769fba198f6eb3598dc43ee6f11051ec180f06a53ba5353232671037c0446af2a65c9826df3e016ddf

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
f8ecd9fddf5598df083e722310f3b610

SHA1
3c475ec36fab7fcec45f1c6297974e86307d2fe8

SHA256
862f9cd28ec06d90fac589bc6226e3aade4058cdd4aa029e61abda57b6c7519a

SHA512
f088dfc9148b75443d96f0527cbf7b43713fd53fe1dac6f414df133c008021264e0ff4e70a69dac9284dc49228f65cc9ceaa65b08e2fac873a0e775a2ac62817

Download Submit
memory/1940-34-0x0000000008610000-0x0000000008620000-memory.dmp

Filesize
64KB

Download
memory/1940-35-0x0000000008610000-0x0000000008620000-memory.dmp

Filesize
64KB

Download
memory/1940-36-0x0000000008610000-0x0000000008620000-memory.dmp

Filesize
64KB

Download
memory/1940-37-0x0000000008610000-0x0000000008620000-memory.dmp

Filesize
64KB

Download
memory/1940-39-0x0000000008610000-0x0000000008620000-memory.dmp

Filesize
64KB

Download
memory/1940-38-0x0000000008610000-0x0000000008620000-memory.dmp

Filesize
64KB

Download