cbb42eaaddfd95d52e8a961d5689bb93d3073a79ce7704012e8442d0a3a8e2ba

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 14:33

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General

Target

Solara/Solara/autoexec/test.lua
Size

34B
MD5

f051c998ef025a1ccd4f6f7abe16e55e
SHA1

2e75e1237531ae3c0647c0fad7cf6ae1687d0e99
SHA256

601c187ff3410f7c71258bd29c0e48a9f40a046a745093f71e7172decf0f0eae
SHA512

748cb431b3a2208c07187c80a3c5b5174b2c536fb056e7b48646875cbd4392225da4aaaaf376f16ca79ab854245e7638cf02103f0913abff55e005da482d498a

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	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	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\lua_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\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
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\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2640	AcroRd32.exe
2640	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2984	1656	cmd.exe	31
PID 1656 wrote to memory of 2984	1656	cmd.exe	31
PID 1656 wrote to memory of 2984	1656	cmd.exe	31
PID 2984 wrote to memory of 2640	2984	rundll32.exe	32
PID 2984 wrote to memory of 2640	2984	rundll32.exe	32
PID 2984 wrote to memory of 2640	2984	rundll32.exe	32
PID 2984 wrote to memory of 2640	2984	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Solara\Solara\autoexec\test.lua
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Solara\Solara\autoexec\test.lua
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2984
- - 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\Solara\Solara\autoexec\test.lua"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2640

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

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Downloads

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

Filesize
3KB

MD5
c49de3995a4a5f6b043db0b49f21ab01

SHA1
895209586df8f74ad898468c31507bd254010487

SHA256
0148828cc3d15072479ae85c454fdf76e8c18c7f938726fd4059499efc3cc1ef

SHA512
b7b33e68eda3ab29cb2e88be9fa0e2e3dd641dd41aced744a49d44f9044b3015b584a60b2c5a7d804aad500cdf41c7f0161828d48be3811b1dd55956dd628a3b

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