e8571b8638f54f4c147bb2e44b7ec688899296e250d2938ffdc37cdcfaffdfd3

Analysis

max time kernel
600s
max time network
413s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
19-12-2022 00:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Dump.bin
Size

172KB
MD5

b1b29c275ca44faad9d22ca436468ecd
SHA1

e368b4ddfd8fcd30c21f690b83fdf6abdebae80b
SHA256

ab31b0cb796b3ae001fb4d12d9cac8c98911e11322cb974bf8d2be9303259a5e
SHA512

7b72c03f62c6759d72d2ca7c9090083966f981b6ef62166a6f5afef57bc52464e5143c61697d7c80b17288217a6808915a58b51bfe43f6e3e4d546fdfbaded83
SSDEEP

3072:Q82l42IQ+0Gh/CX8bYS3oAlobjUgS0cRilFxfiHNSXcJiB5CT01bDmDxWaB47uel:Q82lShBC41SFL1LjO5o

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-1-5-21-1214520366-621468234-4062160515-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\bin_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\.bin	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\bin_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 460	1344	cmd.exe	29
PID 1344 wrote to memory of 460	1344	cmd.exe	29
PID 1344 wrote to memory of 460	1344	cmd.exe	29
PID 460 wrote to memory of 876	460	rundll32.exe	30
PID 460 wrote to memory of 876	460	rundll32.exe	30
PID 460 wrote to memory of 876	460	rundll32.exe	30
PID 460 wrote to memory of 876	460	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Dump.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Dump.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:460
- - 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\Dump.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:876

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

Loading Replay Monitor...

Downloads

memory/460-76-0x0000000000000000-mapping.dmp

Download
memory/876-81-0x0000000000000000-mapping.dmp

Download
memory/876-82-0x0000000076391000-0x0000000076393000-memory.dmp

Filesize
8KB

Download
memory/1344-54-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

Filesize
8KB

Download