45c5b0a5769677b7136986ec96690c635ef5e7ea81411e76da2482d20f6f923b

Analysis

max time kernel
140s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 14:58

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General

Target

Captivate/Converter.dll
Size

1.9MB
MD5

37f386c820482989db35d68075edb0e5
SHA1

cdfdb940d2c0476e62cbe5083dfd33e18539a9b8
SHA256

7e720e9ff3205296569783a87f9150d30a758c43f63ef162699fa006bc142d33
SHA512

6919ede1f432ff6d2c659e685b7132b57e3bb64951ff97b923bf137a531ac8ea8c38f28c63e9494877c3f31e14e36c9e3f2033ca3407bf7c2eeeb9be23fbcd1b
SSDEEP

24576:3zpNSkl2AtDXfZlpGkskaBeLBpkcQbilabHcV3nGa4FU38agm2QgKZgYU:3zbnheGLBQil4+3nG7msDQRgY

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	2616	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2616	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2616 wrote to memory of 2740	2616	rundll32.exe	31
PID 2616 wrote to memory of 2740	2616	rundll32.exe	31
PID 2616 wrote to memory of 2740	2616	rundll32.exe	31
PID 2616 wrote to memory of 2740	2616	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Captivate\Converter.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Captivate\Converter.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 420
    3⤵
    - Program crash
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/2616-0-0x0000000000BE0000-0x0000000000DD1000-memory.dmp

Filesize
1.9MB

Download
memory/2616-2-0x0000000000210000-0x0000000000225000-memory.dmp

Filesize
84KB

Download
memory/2616-1-0x00000000001F0000-0x000000000020F000-memory.dmp

Filesize
124KB

Download
memory/2616-3-0x0000000000230000-0x0000000000247000-memory.dmp

Filesize
92KB

Download
memory/2616-4-0x00000000001A0000-0x00000000001AC000-memory.dmp

Filesize
48KB

Download
memory/2616-5-0x0000000000430000-0x000000000046D000-memory.dmp

Filesize
244KB

Download
memory/2616-7-0x0000000000470000-0x00000000004EC000-memory.dmp

Filesize
496KB

Download
memory/2616-8-0x0000000000BE0000-0x0000000000DD1000-memory.dmp

Filesize
1.9MB

Download