437c8032e578d678d10379c25af38953c41821103fb2d7d25f6a229fdd2bec10

Analysis

max time kernel
151s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
13-02-2023 22:51

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General

Target

Borrador/Language/Arabic.lng
Size

6KB
MD5

3b6e5d586108290ec90b7ee8aa09a672
SHA1

f5a48251313a68a0d5fe08136707af425911691a
SHA256

699f38f71da3cff1d7224f3c3701707ba287fcf025ca24e8fbf55a1217145e77
SHA512

121269585ac4e2d9f95d5dc97b216f24f8104455db8bd76f803edc46b45cf37b84565e40280ac2cebf83e41d92cbc83cf0f233875dd59ca1c1f57c931f97e5c3
SSDEEP

96:rR374/idLBJavABxXO7boSJpxTyDUo5UijDJguxhwSJr7V//EJUW5GAZcE8E6IjN:d370i3JavABIKfJgyhPXOmW95jN

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\lng_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.lng	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.lng\ = "lng_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\lng_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\lng_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\lng_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\lng_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\lng_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
940	AcroRd32.exe
940	AcroRd32.exe
940	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 572	1396	cmd.exe	28
PID 1396 wrote to memory of 572	1396	cmd.exe	28
PID 1396 wrote to memory of 572	1396	cmd.exe	28
PID 572 wrote to memory of 940	572	rundll32.exe	29
PID 572 wrote to memory of 940	572	rundll32.exe	29
PID 572 wrote to memory of 940	572	rundll32.exe	29
PID 572 wrote to memory of 940	572	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Borrador\Language\Arabic.lng
1⤵
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Borrador\Language\Arabic.lng
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:572
- - 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\Borrador\Language\Arabic.lng"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:940

Network

MITRE ATT&CK Enterprise v6

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

memory/572-76-0x0000000000000000-mapping.dmp

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memory/940-81-0x0000000000000000-mapping.dmp

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memory/940-82-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

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memory/1396-54-0x000007FEFB781000-0x000007FEFB783000-memory.dmp

Filesize
8KB

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