58e9508e363895165bee8892c9fde2c1048d2e000c44fd4bc2be739a37adfb92

Analysis

max time kernel
129s
max time network
30s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
17-02-2023 05:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

XWorm V3.1 - Copy/GeoIP.dat
Size

1.2MB
MD5

8ef41798df108ce9bd41382c9721b1c9
SHA1

1e6227635a12039f4d380531b032bf773f0e6de0
SHA256

bc07ff22d4ee0b6fafcc12482ecf2981c172a672194c647cedf9b4d215ad9740
SHA512

4c62af04d4a141b94eb3e1b0dbf3669cb53fe9b942072ed7bea6a848d87d8994cff5a5f639ab70f424eb79a4b7adabdde4da6d2f02f995bd8d55db23ce99f01b
SSDEEP

24576:0L/59ah0USm3uwl00odi9AnW1fUmdbxv6bA3wOzRAc3InsZLONMrZb:+/59a6USdi9Ues6bV6boLO6rZ

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

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dat_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.dat	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid	Process
328	AcroRd32.exe
328	AcroRd32.exe
328	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 2020 wrote to memory of 1508	2020	cmd.exe	28
PID 2020 wrote to memory of 1508	2020	cmd.exe	28
PID 2020 wrote to memory of 1508	2020	cmd.exe	28
PID 1508 wrote to memory of 328	1508	rundll32.exe	29
PID 1508 wrote to memory of 328	1508	rundll32.exe	29
PID 1508 wrote to memory of 328	1508	rundll32.exe	29
PID 1508 wrote to memory of 328	1508	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\XWorm V3.1 - Copy\GeoIP.dat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\XWorm V3.1 - Copy\GeoIP.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1508
- - 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\XWorm V3.1 - Copy\GeoIP.dat"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:328

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/328-81-0x0000000000000000-mapping.dmp

Download
memory/328-82-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1508-76-0x0000000000000000-mapping.dmp

Download
memory/2020-54-0x000007FEFB5F1000-0x000007FEFB5F3000-memory.dmp

Filesize
8KB

Download