437c8032e578d678d10379c25af38953c41821103fb2d7d25f6a229fdd2bec10

Analysis

max time kernel
150s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
13-02-2023 22:51

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General

Target

Borrador/Language/Danish.lng
Size

6KB
MD5

4c46432a05ce09bb563f48437a395f70
SHA1

ea7ff52387b973d29a9cd03d62593369fc96b765
SHA256

184f0c95f5d3433c0d5845099fc1da5d7e196ebaad993f2cd49d237cec34d292
SHA512

ca4e5f6e472b32a17a3345bfcadc5eed8861b7d216bcecb02a1d8f03ed62fc10fe0e0a311ff8c73ed7b58b1d5afe0d2175936e956d734a3d16e7af9f6a96eebf
SSDEEP

96:rROmT9mDV1g8r4iakjgiModJpkTyOIugAYdf2RqdDG37QX4xi+5+CnEStChGEwfD:dOBD3IiaD6wQ2wogCeE

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-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\lng_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\lng_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.lng	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.lng\ = "lng_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\lng_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\lng_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\lng_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\lng_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 1512	836	cmd.exe	29
PID 836 wrote to memory of 1512	836	cmd.exe	29
PID 836 wrote to memory of 1512	836	cmd.exe	29
PID 1512 wrote to memory of 460	1512	rundll32.exe	30
PID 1512 wrote to memory of 460	1512	rundll32.exe	30
PID 1512 wrote to memory of 460	1512	rundll32.exe	30
PID 1512 wrote to memory of 460	1512	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Borrador\Language\Danish.lng
1⤵
- Suspicious use of WriteProcessMemory
PID:836
- 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\Danish.lng
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1512
- - 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\Danish.lng"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:460

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/460-81-0x0000000000000000-mapping.dmp

Download
memory/460-82-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/836-54-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

Filesize
8KB

Download
memory/1512-76-0x0000000000000000-mapping.dmp

Download