bb0bca92cc74cac6b770649c5e70b0f4fd177de58fcfc7c719223485624dc28b

Resubmissions

12/02/2022, 08:00

220212-jwe74ahgh6 8

12/01/2022, 18:56

220112-xlrd9sdfhm 8

12/01/2022, 06:29

220112-g9cm1sbdg5 6

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-en-20211208
submitted
12/01/2022, 18:56

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Report Analysis Logs

General

Target

WindowsFormsApp1.exe
Size

117KB
MD5

e7138eb2f838114591d0917050710bff
SHA1

55f4b508ed4ed8e6650057b7a7538fda9dbdf2e7
SHA256

bb0bca92cc74cac6b770649c5e70b0f4fd177de58fcfc7c719223485624dc28b
SHA512

09a05490a40a05e1df42022742512a417c1a6970c06f32e445fb4aa12a123ea72f7cb2ed4da1ac1365229114c18578ae3e4baecbd653f81b77cf750a86554cc2

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	WindowsFormsApp1.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	WindowsFormsApp1.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	WindowsFormsApp1.exe

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 14 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\.JEBAĆ_BYDGOSZCZ!!!\ = "JEBAĆ_BYDGOSZCZ!!!_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\JEBAĆ_BYDGOSZCZ!!!_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\.JEBAĆ_BYDGOSZCZ!!!	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1680	NOTEPAD.EXE

C:\Users\Admin\AppData\Local\Temp\WindowsFormsApp1.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsFormsApp1.exe"
1⤵
- Drops desktop.ini file(s)
PID:1932

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\MergeWrite.easmx.JEBAĆ_BYDGOSZCZ!!!
1⤵
- Modifies registry class
PID:540

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:832

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\MergeWrite.easmx.JEBAĆ_BYDGOSZCZ!!!
1⤵
- Modifies registry class
PID:1616
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\MergeWrite.easmx.JEBAĆ_BYDGOSZCZ!!!
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1680

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/540-60-0x000007FEFC151000-0x000007FEFC153000-memory.dmp

Filesize
8KB

Download
memory/1932-55-0x00000000008B0000-0x00000000008D2000-memory.dmp

Filesize
136KB

Download
memory/1932-56-0x00000000008B0000-0x00000000008D2000-memory.dmp

Filesize
136KB

Download
memory/1932-57-0x0000000076511000-0x0000000076513000-memory.dmp

Filesize
8KB

Download
memory/1932-58-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1932-59-0x0000000000495000-0x00000000004A6000-memory.dmp

Filesize
68KB

Download