3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604

Resubmissions

05/11/2024, 17:41

241105-v9ez2avgpa 10

05/11/2024, 17:40

241105-v8x48avgnf 10

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 17:40

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General

Target

3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex
Size

7.0MB
MD5

ad49458b8e8eb164537d1bf1de0c086b
SHA1

4fdf8ccc11478b0b3a8546902b82ca6c4b38c7f4
SHA256

3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604
SHA512

f767e7b7ab176ca70be5ef1dabaa1f27b7c05b797e0ddd0d7ecbf45c876d94b692be9dc3fcb461ab81d5990fa12c960eadad822e1b44e152147b8a3a878798cb
SSDEEP

49152:L2dCjFLhTnIWe1RtK62VH9gMtFCYHTLKqTRscM7:qoj/TnIWutK62VXrnzL3ts37

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

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	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\.dex	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\.dex\ = "dex_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2500	AcroRd32.exe
2500	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2592	3068	cmd.exe	31
PID 3068 wrote to memory of 2592	3068	cmd.exe	31
PID 3068 wrote to memory of 2592	3068	cmd.exe	31
PID 2592 wrote to memory of 2500	2592	rundll32.exe	32
PID 2592 wrote to memory of 2500	2592	rundll32.exe	32
PID 2592 wrote to memory of 2500	2592	rundll32.exe	32
PID 2592 wrote to memory of 2500	2592	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex
1⤵
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2500

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
4cdee9df9f0014b8a5218c681a7dfed7

SHA1
e590baa838faa373c0e017827978a4a0b1415736

SHA256
dc3abced8bb84173fc2397eb7970e32960da18006a2eb8f9316070760eb6d5b8

SHA512
965cf484a700b09faa77d932feae832c635a6e18976fe0cd6641fe13c969dcc696be9c517720af8a9ef68f620538a315900aa5919751969d67cc7f3048a08ef8

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