860a1bafa27533b8ba73a7e0303fb83263129ca28672dc7d2c71d126ceee0688

Analysis

max time kernel
124s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
23-07-2024 17:25

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General

Target

MegaLoader FIXED/COMPONENTS/dxwebsetup.exe
Size

288KB
MD5

2cbd6ad183914a0c554f0739069e77d7
SHA1

7bf35f2afca666078db35ca95130beb2e3782212
SHA256

2cf71d098c608c56e07f4655855a886c3102553f648df88458df616b26fd612f
SHA512

ff1af2d2a883865f2412dddcd68006d1907a719fe833319c833f897c93ee750bac494c0991170dc1cf726b3f0406707daa361d06568cd610eeb4ed1d9c0fbb10
SSDEEP

6144:kWK8fc2liXmrLxcdRDLiH1vVRGVOhMp421/7YQV:VcvgLARDI1KIOzO0

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

dxwsetup.exe

pid process

1548 dxwsetup.exe
Loads dropped DLL 2 IoCs

Processes:

dxwsetup.exe

pid process

1548 dxwsetup.exe
1548 dxwsetup.exe

pid	process
1548	dxwsetup.exe

pid	process
1548	dxwsetup.exe
1548	dxwsetup.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

dxwebsetup.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	dxwebsetup.exe

Drops file in System32 directory 7 IoCs

Processes:

dxwsetup.exe

description	ioc	process
File created	C:\Windows\SysWOW64\directx\websetup\SETF04B.tmp	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\dsetup.dll	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\SETF06C.tmp	dxwsetup.exe
File created	C:\Windows\SysWOW64\directx\websetup\SETF06C.tmp	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\dsetup32.dll	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\DirectX\WebSetup	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\SETF04B.tmp	dxwsetup.exe

Drops file in Windows directory 1 IoCs

Processes:

dxwsetup.exe

description ioc process

File opened for modification C:\Windows\Logs\DirectX.log dxwsetup.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\DirectX.log	dxwsetup.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:

dxwsetup.exedxwebsetup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxwsetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxwebsetup.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

dxwebsetup.exe

description	pid	process	target process
PID 4460 wrote to memory of 1548	4460	dxwebsetup.exe	dxwsetup.exe
PID 4460 wrote to memory of 1548	4460	dxwebsetup.exe	dxwsetup.exe
PID 4460 wrote to memory of 1548	4460	dxwebsetup.exe	dxwsetup.exe

C:\Users\Admin\AppData\Local\Temp\MegaLoader FIXED\COMPONENTS\dxwebsetup.exe
"C:\Users\Admin\AppData\Local\Temp\MegaLoader FIXED\COMPONENTS\dxwebsetup.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\Temp\IXP000.TMP\dsetup.dll

Filesize
93KB

MD5
984cad22fa542a08c5d22941b888d8dc

SHA1
3e3522e7f3af329f2235b0f0850d664d5377b3cd

SHA256
57bc22850bb8e0bcc511a9b54cd3da18eec61f3088940c07d63b9b74e7fe2308

SHA512
8ef171218b331f0591a4b2a5e68dcbae98f5891518ce877f1d8d1769c59c0f4ddae43cc43da6606975078f889c832f0666484db9e047782e7a0ae4a2d41f5bef

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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup32.dll

Filesize
1.5MB

MD5
a5412a144f63d639b47fcc1ba68cb029

SHA1
81bd5f1c99b22c0266f3f59959dfb4ea023be47e

SHA256
8a011da043a4b81e2b3d41a332e0ff23a65d546bd7636e8bc74885e8746927d6

SHA512
2679a4cb690e8d709cb5e57b59315d22f69f91efa6c4ee841943751c882b0c0457fd4a3376ac3832c757c6dfaffb7d844909c5665b86a95339af586097ee0405

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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe

Filesize
515KB

MD5
ac3a5f7be8cd13a863b50ab5fe00b71c

SHA1
eee417cd92e263b84dd3b5dcc2b4b463fe6e84d9

SHA256
8f5e89298e3dc2e22d47515900c37cca4ee121c5ba06a6d962d40ad6e1a595da

SHA512
c8bbe791373dad681f0ac9f5ab538119bde685d4f901f5db085c73163fc2e868972b2de60e72ccd44f745f1fd88fcde2e27f32302d8cbd3c1f43e6e657c79fba

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.inf

Filesize
477B

MD5
ad8982eaa02c7ad4d7cdcbc248caa941

SHA1
4ccd8e038d73a5361d754c7598ed238fc040d16b

SHA256
d63c35e9b43eb0f28ffc28f61c9c9a306da9c9de3386770a7eb19faa44dbfc00

SHA512
5c805d78bafff06c36b5df6286709ddf2d36808280f92e62dc4c285edd9176195a764d5cf0bb000da53ca8bbf66ddd61d852e4259e3113f6529e2d7bdbdd6e28

Download Submit