645e274fec3723d065308f9b16b33392ed7f51fbd5ffc3c00806c2efafb08b65

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
19/07/2024, 11:34

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General

Target
internal/extensions/CScriptThread_EventHandlers.lua
Size 2KB
Sample240719-npr1jascqa
SHA256 fa1c4d1944b33c32f9155ea2512c397fb360b7fef6b90cd24e8ca1101d1d8a7d
MD5 1e4b4833d2b1f669c19adba54710adc7
SHA1 5337039b5b89b9d587f3edd574d4763c9cc7fb99
SHA512 a9fa97af54d7c64f7c19752571398a5bf8d61cc72195534f38b9032c6e9beee2b253146c84346b2907500f864f5aee61a4d132ca18ce1907c5c873655a69ae8f
MD5 SHA1 SHA512

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-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\lua_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\lua_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\lua_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\lua_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.lua	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\lua_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.lua\ = "lua_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\lua_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2220	2808	cmd.exe	31
PID 2808 wrote to memory of 2220	2808	cmd.exe	31
PID 2808 wrote to memory of 2220	2808	cmd.exe	31
PID 2220 wrote to memory of 2620	2220	rundll32.exe	32
PID 2220 wrote to memory of 2620	2220	rundll32.exe	32
PID 2220 wrote to memory of 2620	2220	rundll32.exe	32
PID 2220 wrote to memory of 2620	2220	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\internal\extensions\CScriptThread_EventHandlers.lua
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\internal\extensions\CScriptThread_EventHandlers.lua
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2220
- - 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\internal\extensions\CScriptThread_EventHandlers.lua"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2620

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 3f448d3d05e553e995de723afb9f2850a8572e8f45733ece0bc4ec9dd0c61af0
MD5 e0080a34ff4251dc42b17f584d750fc3
SHA1 7a7ef8adeb367b2370766c908848102e88752d60
SHA512 37243dba82ca15172cbf085de23a259106b2f9172e8ae3b299247c32c0bfa44dc809afb0f6b94dbc553d9554ac6f30b12f8782b2e4e80bed7b733e871daf577b
MD5 SHA1 SHA512

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