2795153f640f44d5fd12c73aa5291f29f3448bade08565e5e326c07184c594c3

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 14:29

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General

Target

config.json
Size

250B
MD5

b11e59e64824eae1ad8f4931226f39bb
SHA1

d19ab3856be1735e5974d6f813a62c5c1afb2ce2
SHA256

ac709ac62e8a2d28a84b2473ac35ff7779dc6dc6e1ed3339ba6fd88e89b14797
SHA512

86498e71aa238a371400444f94018efb391da5c28816b71cf6123f3ff169b11bac1605ed9cc73aa51cd227b7af6aa78d6fa447fbbfc63cea08f58f58aca8b5e5

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
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_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-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.json	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2472	1916	cmd.exe	31
PID 1916 wrote to memory of 2472	1916	cmd.exe	31
PID 1916 wrote to memory of 2472	1916	cmd.exe	31
PID 2472 wrote to memory of 2720	2472	rundll32.exe	32
PID 2472 wrote to memory of 2720	2472	rundll32.exe	32
PID 2472 wrote to memory of 2720	2472	rundll32.exe	32
PID 2472 wrote to memory of 2720	2472	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- 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:2472
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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
8101daf193ad6b6981fe8632cc3092a4

SHA1
d854b7a6bb09141fb18885b6cfc2fffc8ce94638

SHA256
a1c5ae3220f968849c92abb5facd7e3d836a2a32553e4a9aa6e88aa22e0fb9f9

SHA512
7eb553323656e6ba674064127c77d043a821ab3efba98f2073a65378e885999828af4bb61c21b813df05d13c46d17b612d958473eb11a9e12e7a60c879b5b572

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