75a3295f8c688359fcb7555b80e3f71ee42c5ac1d4525a39b2571107acf06a45

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 12:37

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General

Target

scripts/menu.lua
Size

1KB
MD5

9596bef3ecd38e99364eb58e56cd49be
SHA1

676b733db5bb30bdb7824024a1c2fc045a27b4f1
SHA256

4a7d7886622501f6b6728a0e9860fe81a1c90fd0e5f2fbe7ff94524e05e0b6b8
SHA512

f2d1b11964181b3017f12f381bc241688f18efb3901acd6697ce0ba462693ac947e1d576d88de08b8e8798680cc4e640c5ec1aa4b2a0f4ad6739904f48ce7665

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\lua_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.lua\ = "lua_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\lua_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.lua	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\lua_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\lua_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\lua_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2580	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2580	AcroRd32.exe
2580	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2120	2924	cmd.exe	29
PID 2924 wrote to memory of 2120	2924	cmd.exe	29
PID 2924 wrote to memory of 2120	2924	cmd.exe	29
PID 2120 wrote to memory of 2580	2120	rundll32.exe	30
PID 2120 wrote to memory of 2580	2120	rundll32.exe	30
PID 2120 wrote to memory of 2580	2120	rundll32.exe	30
PID 2120 wrote to memory of 2580	2120	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\scripts\menu.lua
1⤵
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\scripts\menu.lua
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2120
- - 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\scripts\menu.lua"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2580

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
7eaf82c28e90e1bd8e36e7f46c7716ae

SHA1
93dd1ec2b49f1a040f2c885e653b559d30102b98

SHA256
586ba9cf8957d8368ce84e73d39cb4584b2a0c069b4e45acdf0e6e0db7c9941b

SHA512
d03ba77169d624b306e4ec58677bb19b5824965371cab97c4a62f77179a6c6260da2e301c38884574f418773ed9cd47b10f73d69961f43e8d49b16217d8aed57

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