42dc0c6aa8d303772fdb285f615c83afb76c71eb3fbe304c65e2d93c50939458

Analysis

max time kernel
153s
max time network
33s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
24-06-2023 18:56

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General

Target

Kiwi X/WRDAPICONF.json
Size

25B
MD5

e980ad71e4e5ed465831d732d3175c98
SHA1

f07e0767a4d9d53bfd8a4028fcd6b2ecd2df8c30
SHA256

a52aed34a368ec553e7f89067ec65b7d6205208640f8357f76247e406d80452e
SHA512

d440156035b849287f7ad719345e99b06e481b27c6c9f794ab9fc8c3319de44dd42f62cee454608389feda7d803eaf475bc0215c3d589b0a4d50fd1215bc7861

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 584	1200	cmd.exe	28
PID 1200 wrote to memory of 584	1200	cmd.exe	28
PID 1200 wrote to memory of 584	1200	cmd.exe	28
PID 584 wrote to memory of 872	584	rundll32.exe	29
PID 584 wrote to memory of 872	584	rundll32.exe	29
PID 584 wrote to memory of 872	584	rundll32.exe	29
PID 584 wrote to memory of 872	584	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Kiwi X\WRDAPICONF.json"
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Kiwi X\WRDAPICONF.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:584
- - 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\Kiwi X\WRDAPICONF.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
4e71fd9762914fd9a0b2725e5043b509

SHA1
cf1281f256a170df3c007bba36ec8f1d0bd6d08c

SHA256
2b733cb9f3c4d9adb301439d4b1ff025ef8c7e63dcdd69afe2f1e8729cb82c18

SHA512
4d73e9d319870e5b7c2c8e5cd2346448abd4aefb665c5d3050e0f04d207877b75d4ccca42a8cdb9375263e04ec4a4fa718fa3a3d210831d4cd4c399618dc9a75

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