bbec7a6d4f3edf13e687545f8ae4709cf31b08d1feac57161598638c57f17f8e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 21:42

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General

Target

BuilderGUI.runtimeconfig.json
Size

458B
MD5

07b9a30265ca4e69c7016a1b6e3ffc27
SHA1

3a4af82a2695b1423aedd8b60a5c86793c011b02
SHA256

c71152bf25e40d647b2440c5b39be157a3d356106be9d5b678ab97bb87b4e782
SHA512

efd582f8edcdba5ef48d02eee5f73d83ff35071af99b49e08e0213928568d728d0856e3b903bfcccb9237f786846cf94da83139f99e9bee86287aff2071c3f1c

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_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
2368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2368	AcroRd32.exe
2368	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2632	2092	cmd.exe	31
PID 2092 wrote to memory of 2632	2092	cmd.exe	31
PID 2092 wrote to memory of 2632	2092	cmd.exe	31
PID 2632 wrote to memory of 2368	2632	rundll32.exe	32
PID 2632 wrote to memory of 2368	2632	rundll32.exe	32
PID 2632 wrote to memory of 2368	2632	rundll32.exe	32
PID 2632 wrote to memory of 2368	2632	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\BuilderGUI.runtimeconfig.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\BuilderGUI.runtimeconfig.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2632
- - 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\BuilderGUI.runtimeconfig.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
7fce35fba1e7f6bee6dee06ab596d59a

SHA1
40596fc98d8550a794f6c6bf487ae363874d58d8

SHA256
01d3228fafa5cfe2b8162070838d3ee4a1d2ffe29a67e1125b669a4d8a63a713

SHA512
d2d8ca0b9926f3862f39c625b45a42a88a5542b8faf84fc4c9c4af7e61b4e41af109579c62815a42f203007eb351479aa4e997d7d95f08f61e398c3f58ec61ae

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