92e9e6765bf36034b5eba64e2609a4f53cbb4d8e234d06286504167a1ed39c62

Resubmissions

18/08/2024, 12:39

240818-pv2btstdrc8

18/08/2024, 12:38

240818-pt66patdph8

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 12:39

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General

Target
resources/luascripts/general/chattroll.lua
Size 249B
Sample240818-pv2btstdrc
SHA256 70146fdf2eb371d4651ae9282bea038648ba31b0eecbf25ef1c59eed13571b22
MD5 83cfe90b286ddf7219b98293c07a172b
SHA1 dca7b00f25052146d4384694c935c33242cdc1d7
SHA512 0759620f8e175bfc134b412b0324ac9695f49e3853567d1b5b2465d0cd36476e6e943b56a650b9e2043fbe53e0d14b32992125e7a6afc27ad1f0cfc5cfc854d5
MD5 SHA1 SHA512

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2776	AcroRd32.exe
2776	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 1720	2656	cmd.exe	31
PID 2656 wrote to memory of 1720	2656	cmd.exe	31
PID 2656 wrote to memory of 1720	2656	cmd.exe	31
PID 1720 wrote to memory of 2776	1720	rundll32.exe	32
PID 1720 wrote to memory of 2776	1720	rundll32.exe	32
PID 1720 wrote to memory of 2776	1720	rundll32.exe	32
PID 1720 wrote to memory of 2776	1720	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\resources\luascripts\general\chattroll.lua
1⤵
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\resources\luascripts\general\chattroll.lua
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1720
- - 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\resources\luascripts\general\chattroll.lua"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2776

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

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 9086cda8cd810a246476e419264e70b9b4ace9b6cee8f28804a05394177899a7
MD5 ebc7f1ccf9821c668f2caa6e887378c0
SHA1 c231e39181857045b82a09ec0f153b5127abc868
SHA512 14e62a721b424100ce32bc19cc05ba6a80e896cab91f6bb07b0e565ecb9255aed4890ddd3933d07268733d9a56291c6acb5bef6849e30fc65d2d793216bd73c5
MD5 SHA1 SHA512

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