39eed41a282105d827a5ed1c6bd0e50e5b69d8535f80c2e67aeb2f0da72e1628

Resubmissions

15/10/2024, 23:54

241015-3x4fvsxemq 8

15/10/2024, 23:51

241015-3v719sxdrl 7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 23:54

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General

Target

Payload/Mabz.app/c.wav
Size

212KB
MD5

b8c0604cd7f46d8f9c8fd1afcd3e7e96
SHA1

abafdb5022578082234542383b8111ab6985b485
SHA256

3b06f7a05a673513e18612a6c39b5c93110459a75b4a4c8d66855224840ec4cd
SHA512

c7b5cf20a7ac2b0510ff2fb6c561c9bf9222b29c44b5534315e2bebe3b806c57f4701834804eeed900c14d3edc6db3dc1e0b1407749121c2154e636fe8090efd
SSDEEP

6144:4FUgpNiyW3QbLHUq2A43b2UFXvoZOyaesYX+:4FUwcy1/HUM45VoZDa/YX+

Score

6^/10

discovery

Malware Config

Signatures

Drops desktop.ini file(s) 7 IoCs

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

description	ioc	Process
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\K:	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\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-3442511616-637977696-3186306149-1000\{5C9F46C6-DD3E-43BA-ABD5-672C323E4DEA}	wmplayer.exe
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 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	wmplayer.exe
Token: SeCreatePagefilePrivilege	3536	wmplayer.exe
Token: SeShutdownPrivilege	1892	unregmp2.exe
Token: SeCreatePagefilePrivilege	1892	unregmp2.exe
Token: 33	3088	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3088	AUDIODG.EXE
Token: SeShutdownPrivilege	3536	wmplayer.exe
Token: SeCreatePagefilePrivilege	3536	wmplayer.exe
Token: SeShutdownPrivilege	3536	wmplayer.exe
Token: SeCreatePagefilePrivilege	3536	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3536	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 4036	3536	wmplayer.exe	87
PID 3536 wrote to memory of 4036	3536	wmplayer.exe	87
PID 3536 wrote to memory of 4036	3536	wmplayer.exe	87
PID 4036 wrote to memory of 1892	4036	unregmp2.exe	88
PID 4036 wrote to memory of 1892	4036	unregmp2.exe	88

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\Payload\Mabz.app\c.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:3536
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4036
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1892

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:3152

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x414 0x40c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3088

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
256KB

MD5
29bd18035ac3468ed8ee41ba90d66f22

SHA1
36e76825c5aff3f599ec16a85b14ee487595a69d

SHA256
eca587e1d30a5a9c65a7f3d69272ebc2890a0ec954d1ee4ad7d5ac45bd95ddc8

SHA512
b1b8a231de045c227d430c9edd5996b882153fd848fc319ba2dfbfc7aa309bce8a3551889f735f6de6d6fdfc09a1ffad4dcb4fd7ff2d4017eeb2c97f7a83f7d0

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

Filesize
1024KB

MD5
c8d94b9c2bd0e9cce0e064dd8201cb08

SHA1
1227b8149493bd327507ea6d00e666208bd41f28

SHA256
7fff027236cc0dc381a50eaad6a184e31467fa1c9768de7ab5383a92440be84a

SHA512
3792b07918fc57b1c105497b135994013d861933d42e2d0209da574219794401ee031c891ca2429f26ead29aaeb54d128a411e200217405db5034f4501210814

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

Filesize
68KB

MD5
7feb053f759089d6ddb2154782dbb293

SHA1
4f642fce829e8a597caad3dc39a6464fae95ae35

SHA256
d629f8ae727c9e12608cebadba427cde0b1a5c18c62f9afb7f2d5e38797b6e41

SHA512
ef0b58e47a1fcc02253fda75f9a16daa785165d207c48923c30e64418386623db9941cd8ecbbd39ecb18317c4ac521d584165825d7d185bfe3b9996385e0e9ca

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
d9bac8e8577b7af0fad35e7c3a3a6e7b

SHA1
ef2fcba1072d15e5640e256481bcd8c06eaa5d30

SHA256
ca7fa9f16c68d19cda9afd578b86d5e2896321bdacd94d6dd49f5096c21905ba

SHA512
c2cd461758cf2e47fb927f97e4185eb36dcde454e037b8b2ed37d2089d4621f2de6723b077b7b0f001bfae4eb0db04f21f36fafe113072e231c5f9782e21a1c6

Download Submit
memory/3536-31-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/3536-32-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/3536-36-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/3536-35-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/3536-33-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/3536-34-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/3536-51-0x0000000007A40000-0x0000000007A50000-memory.dmp

Filesize
64KB

Download