0f681d1319f07c6f236917cd6056d15c3c02ac5c02d7b4b2203015164bff6978

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
21-11-2023 15:51

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General

Target

config.json
Size

2KB
MD5

d06a009c3e52ab714532771de43609f3
SHA1

bc8d2890666d3e82d38f231b3f64a8be2120e347
SHA256

35afe0c53bb71cc551eba0939bf83384c0ae20b47011d30dc48679313b2ca8d9
SHA512

e08b3c92ad4453e76ffcbb505eb3baefac1ae32b74b255b591d25983a5e59faad19a83f282d036e0d3107786f31358da1b800b257c49296cb4ee2842fe623db0

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
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2672	2920	cmd.exe	29
PID 2920 wrote to memory of 2672	2920	cmd.exe	29
PID 2920 wrote to memory of 2672	2920	cmd.exe	29
PID 2672 wrote to memory of 2544	2672	rundll32.exe	30
PID 2672 wrote to memory of 2544	2672	rundll32.exe	30
PID 2672 wrote to memory of 2544	2672	rundll32.exe	30
PID 2672 wrote to memory of 2544	2672	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\config.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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\config.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2544

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
1ee666c074159ec7b44d38b9ebb7af02

SHA1
33da46203101dad98cdb55d6c7647afad54e6c16

SHA256
62587cb831687bae9fb09e6acee39def59ffc27c4414b3e70bd68ea647be8318

SHA512
69a500c903926859e114691b394339db58b9942569a3d2ed787454bf4ee0866633c1d1921e5e0ffadc88db5278b146229b3a7fc5bf7af98ad45a867a723e64d3

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