645e274fec3723d065308f9b16b33392ed7f51fbd5ffc3c00806c2efafb08b65

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/07/2024, 11:34

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General

Target
internal/extensions/keycodes.lua
Size 2KB
Sample240719-npr1jascqa
SHA256 feef07106680ddb04400c161e42999e2dc183304a5edaf36dd934d61c24e16b1
MD5 35bec02284cc87dc505d48987f115d09
SHA1 22c571a9e4ea449a59612042ed63434b57157159
SHA512 b19c460fb0d5074f25f1a3e8d1f48d7f5823a34bb3cad34bebf5141f4c2b585087c3ccc7e2383bf01998f907f7957efe2f6ecb93b5beaef8f9002fe0b6ec50ca
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
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.lua\ = "lua_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lua_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lua_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lua_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lua_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\lua_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.lua	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2984	AcroRd32.exe
2984	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 2716	1920	cmd.exe	31
PID 1920 wrote to memory of 2716	1920	cmd.exe	31
PID 1920 wrote to memory of 2716	1920	cmd.exe	31
PID 2716 wrote to memory of 2984	2716	rundll32.exe	32
PID 2716 wrote to memory of 2984	2716	rundll32.exe	32
PID 2716 wrote to memory of 2984	2716	rundll32.exe	32
PID 2716 wrote to memory of 2984	2716	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\internal\extensions\keycodes.lua
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- 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\keycodes.lua
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2716
- - 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\keycodes.lua"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2984

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 17912e9b969bab6545a123b25638f40b33c3213da2e0af8b56c26b26561ce0ba
MD5 323a6e3e8c7d2dee4100e303db747bba
SHA1 710a420f1ef2f980a7a99ce42343130c1eaf4e10
SHA512 0e1ca036ec941af1894457e23da0057f4296e9f00510c5f88958a1e539da1e7a55309561ac0505acf9c7820e92d9f7063fc2852f22c39adeb865467d2a089505
MD5 SHA1 SHA512

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