21d5cc62e1e9c967f89a944bd62f92f5f952f5e0e6c84b4732ae5167efa106a9

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
06/06/2024, 12:23

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General

Target
SOLARAUPDATED/scripts/test.lua
Size 15B
Sample240606-pknb8afa55
SHA256 819627eee839b974a3a9905ea4f98b1fce63b9ef68a9a1030b39c52ec2046999
MD5 45952b4f4540d4ea32b1a56b40dfcb54
SHA1 c43f61758aede460274cbe0a7a52ed3a8e06201a
SHA512 5fae4efa4037c96b3012e825e1041ecb419b8b6ce6eeb2f4667228874ddb7be48137d9118dc676e6d1f430e71f68809837e4caea8fd65f6100624e63abb81e8a
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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.lua\ = "lua_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\lua_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\lua_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\lua_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\lua_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.lua	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\lua_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\lua_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
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2732	2976	cmd.exe	29
PID 2976 wrote to memory of 2732	2976	cmd.exe	29
PID 2976 wrote to memory of 2732	2976	cmd.exe	29
PID 2732 wrote to memory of 2740	2732	rundll32.exe	30
PID 2732 wrote to memory of 2740	2732	rundll32.exe	30
PID 2732 wrote to memory of 2740	2732	rundll32.exe	30
PID 2732 wrote to memory of 2740	2732	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SOLARAUPDATED\scripts\test.lua
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SOLARAUPDATED\scripts\test.lua
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2732
- - 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\SOLARAUPDATED\scripts\test.lua"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

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 bec31dceec145f440ef9f003039801bfcc03422c5e2f5f7c88f9511164d65dd8
MD5 6fa83829ec0ce79c7c5a8016a34e0f71
SHA1 9e9fcf3e93d1d82a0fe55dc18d6bcc27178fbd9e
SHA512 0205e7e8b3d458915fcd2d50ff7adae74a1c4636c40aa0a2b1a5a6e2773d4d0025f0d8125127c4159bac467e1ab112d47e5ba78d00aa8f68ffea11c782d8761a
MD5 SHA1 SHA512

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