2795153f640f44d5fd12c73aa5291f29f3448bade08565e5e326c07184c594c3

Analysis

max time kernel
102s
max time network
18s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 14:29

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General

Target

LICENSE.lock
Size

1KB
MD5

a4f846ce4481e7cb946a08610e7cbde5
SHA1

69e2f86acdca28ba7b28ce0812157837f0e86560
SHA256

1ce3fe3a80da4796d3865d6a6f0a8de7b96b93385a035e8319ca5021822fcb52
SHA512

2ee64fa07a3b3dd23d74932c653d349edcd4eeae0747aa2e19cb52826fbbcfb7872cd4fc0f17967b35fab4c88444bec6e63804663ba6c2f189dad139f1b3a9c0

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\lock_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\lock_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\lock_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\lock_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.lock	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.lock\ = "lock_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\lock_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\lock_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2200	2904	cmd.exe	30
PID 2904 wrote to memory of 2200	2904	cmd.exe	30
PID 2904 wrote to memory of 2200	2904	cmd.exe	30
PID 2200 wrote to memory of 2720	2200	rundll32.exe	31
PID 2200 wrote to memory of 2720	2200	rundll32.exe	31
PID 2200 wrote to memory of 2720	2200	rundll32.exe	31
PID 2200 wrote to memory of 2720	2200	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\LICENSE.lock
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\LICENSE.lock
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2200
- - 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\LICENSE.lock"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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
d3a61c5ff22e1a080aad18ed668ab882

SHA1
5c3bc99bbfa604c6277ea0cb7d7afed4941a7fc7

SHA256
59913742c1d3d9b504aa0f84600a33bba995d0367fa15214a2a8d5df033052e6

SHA512
14234d3d32cb8bb8c3c5e8af93a349da59438e708945250fd2288011dc79180c129e7eb8d0c9a4707d6d9cc81db481caacc4a5dc2164dbff99e2a24bdc2691f3

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