4d63caee8d2c5e50ebb220e6aa593fe852a516e209006ba0a16507907125f46c

Analysis

max time kernel
188s
max time network
129s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
16/11/2023, 09:02

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General

Target

ScriptingAssemblies.json
Size

2KB
MD5

63c2292704d52c1d71136237bd47baf1
SHA1

2dd681b94a5ecb5684293d5048c29e152e462b54
SHA256

5e154e6552520d8d1022acb257e5fd443f20211ee1ab81d5d6b4ca3c6e418ca4
SHA512

6d3ee9c3c432353a2702ca0a59321531167cd9462bb4a818fedb540ed20ae1fdc76066eeadc2db908c2e080d005cb62e470f9fdf592a19a925de576e9894a50a

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 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_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-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\json_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2520	2732	cmd.exe	30
PID 2732 wrote to memory of 2520	2732	cmd.exe	30
PID 2732 wrote to memory of 2520	2732	cmd.exe	30
PID 2520 wrote to memory of 2232	2520	rundll32.exe	31
PID 2520 wrote to memory of 2232	2520	rundll32.exe	31
PID 2520 wrote to memory of 2232	2520	rundll32.exe	31
PID 2520 wrote to memory of 2232	2520	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ScriptingAssemblies.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ScriptingAssemblies.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2520
- - 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\ScriptingAssemblies.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
0445ef17766ed46dae665c5820ce8907

SHA1
c5452df362b1723fbff845fe6554fdcaf68273aa

SHA256
cea7f6f9962007783eac5bd41e458bbf07229ecab130a9e43164b8e549fbb05d

SHA512
39ad7c21be373e82c27712d1dbda407621322350c20e94192cb783c76eb3ed15ad14903cf5765cee751d234790e6391b6a7fd0effbcdaa818011f273e3a22e9e

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