f6d439b28fcb5f5ba472e3fa3cc133f8067e34c05b1d358a1a61e75696c1dbad

Analysis

max time kernel
117s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 16:20

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General

Target

cpvp/advancements/fd0ddbea-e221-43f1-8eb6-96c52ba549f0.json
Size

4KB
MD5

afae1a9fd056ebc3608e951f2f85d05d
SHA1

5c80cda95c8a9e269955cd2af4bd22f2d1106e7f
SHA256

207ba0579d8c3e0626a117a4ce0e66f58e9ec8558b644cf4fa86cd4d78e303d8
SHA512

a33f3532149da8d0b5a666c7cd8d633b94c5cbfa1fbee228b05b303a6d9734ec1b8dae795eca1cb80bf1c714464fac06b4e6eaae96fd24485ab27d22f1a58ca1
SSDEEP

96:BCmb12LZ1TB6SLqBnuL81TdJ1ULN1tL9LsoZLWmJ1NLeKLc17mKLcHO1EOqLwLQi:d91d

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\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_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\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2440	AcroRd32.exe
2440	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2420	2600	cmd.exe	29
PID 2600 wrote to memory of 2420	2600	cmd.exe	29
PID 2600 wrote to memory of 2420	2600	cmd.exe	29
PID 2420 wrote to memory of 2440	2420	rundll32.exe	30
PID 2420 wrote to memory of 2440	2420	rundll32.exe	30
PID 2420 wrote to memory of 2440	2420	rundll32.exe	30
PID 2420 wrote to memory of 2440	2420	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\cpvp\advancements\fd0ddbea-e221-43f1-8eb6-96c52ba549f0.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cpvp\advancements\fd0ddbea-e221-43f1-8eb6-96c52ba549f0.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2420
- - 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\cpvp\advancements\fd0ddbea-e221-43f1-8eb6-96c52ba549f0.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2440

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
1f932422eea1a1a9c2ea42efd774af80

SHA1
e5ace9d2acfa51dcb35fb3715d6a5e628e805b3c

SHA256
97b31793e03df681441ba94d4df05412dbff9cb554f40bce96ff37daa0c55a16

SHA512
352da7a00f5e152d354038e9f8d436daf8a96f935c6818ba5ac76a66b00fbb5091184e34daf7a1f527bfac41546b28e4029819d8db40fc942858935d77c2bd75

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