c221df92ab8ad749226c07b8951349a0d0fa6aff77b25357e8942e5c64c612b0

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 09:56

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General

Target

Solara/Solar/autoexec/test2.lua
Size

11B
MD5

701bf4a4743e5e0361e26999881a5ce9
SHA1

f34d33bcb5c13eae1c15faddc6054e479f74aa28
SHA256

c2d0a5e0790d97a015387a995c0d0b5eb3e88138466586fc980787c9b1731eb8
SHA512

8c0eedc5dca108eb9682239164cba3c70ba4c12e4520a9bdfa8efce0416ce51534fcea2ef4dcd7ea2dfc684358a064233165b0bda5287892de2014a1f2b21c6f

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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.lua	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.lua\ = "lua_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\lua_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\lua_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\lua_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\lua_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\lua_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2280	3056	cmd.exe	32
PID 3056 wrote to memory of 2280	3056	cmd.exe	32
PID 3056 wrote to memory of 2280	3056	cmd.exe	32
PID 2280 wrote to memory of 2836	2280	rundll32.exe	33
PID 2280 wrote to memory of 2836	2280	rundll32.exe	33
PID 2280 wrote to memory of 2836	2280	rundll32.exe	33
PID 2280 wrote to memory of 2836	2280	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Solara\Solar\autoexec\test2.lua
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Solara\Solar\autoexec\test2.lua
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2280
- - 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\Solar\autoexec\test2.lua"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2836

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
d022b2a12588521f0ed591707d1f443a

SHA1
a86b8bd2ebd8b5dd6016bfdaf17e91933a262288

SHA256
bbcff2ba00d0396071733598df70964b66cfdf96396947eba8d9f1decc075900

SHA512
fbc7a2efe83b505f875a5ca214c159d724b1496752fe8606f9bc2d49526973d9b16b01e4726fdfc2e4eb131e0d7b6890dae4ef709a45561db27858287a930cea

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