da049d68a0a8723ddebf502f9c991a2f3c76efdf1ca77bb7e977dc98a5686c3a

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 19:00

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General

Target

JSON.exe-malware
Size

235KB
MD5

3a8a5d3252a154bc42a97eccb84b97ce
SHA1

20ef9489c85e06ee06ae3108930758c5d634ffbb
SHA256

da049d68a0a8723ddebf502f9c991a2f3c76efdf1ca77bb7e977dc98a5686c3a
SHA512

cafe307d68a643d6dcf86718a51c18302a126b299f8ed21a6cbd188d3d7abdc5d4b9aeb171958f81561e30ff033f24dcc0e014d451211ed57cbb9cc549fdf4c1
SSDEEP

6144:zbDuqJhf1AVSgE29xxspm0n1vuz3T9yvZJT3CqbMrhryfQNRPaCieMjAkvCJv1Vv:Jf1AVSgE29xxspm0n1vuz3T9yvZJT3CB

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe-malware	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe-malware\ = "exe-malware_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\exe-malware_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\exe-malware_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\exe-malware_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\exe-malware_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\exe-malware_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\exe-malware_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\JSON.exe-malware
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\JSON.exe-malware
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\JSON.exe-malware"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2920

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
47df6db5189581e730379ab179c70687

SHA1
a4983d1747cc9546d898c0cf6dde243a3c02e04e

SHA256
86a8a9fe5a43f12c9a83add08fac7ccc9f71aebc59464231dc33bc314524c7ca

SHA512
48d263d0d5dcddc89d40b5ec18084fb977704898a4d79e65c0dfaf50f72032ce3930e26cf2957e9070d1f02eaae09882018c4bca8a04dcff9a3df609777329f5

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