8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0

Analysis

max time kernel
151s
max time network
159s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 01:57

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General

Target

8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe
Size

84KB
MD5

16374bb2dc52687a42af71e845913edf
SHA1

4d3d4575c500c87ae22f77fbc9d117bc2c3dd044
SHA256

8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0
SHA512

1bbd40998d44fc1de54455a9acea839a35759cd68fa740c7de38f4490c7888352205a9fac7116175b61dae545719b7607144a5b3aba55da00803cce38bcd50e3
SSDEEP

768:5I3vElriR9D+z7p8hwrZBJ/oD6kFXQMMSiaWUMK:50j4t8hwrOD6kFXQVSiaW9K

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 2 IoCs

Processes:

WScript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dddd.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dddd.vbs	WScript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WScript.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\dddd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\dddd.vbs\""	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\dddd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\dddd.vbs\""	WScript.exe
Key created	\REGISTRY\MACHINE\software\Wow6432Node\microsoft\windows\currentversion\run	WScript.exe

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

System Information Discovery
T1082
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

1924 NOTEPAD.EXE

pid	process
1924	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe

description	pid	process	target process
PID 1916 wrote to memory of 1924	1916	8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe	NOTEPAD.EXE
PID 1916 wrote to memory of 1924	1916	8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe	NOTEPAD.EXE
PID 1916 wrote to memory of 1924	1916	8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe	NOTEPAD.EXE
PID 1916 wrote to memory of 1924	1916	8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe	NOTEPAD.EXE
PID 1916 wrote to memory of 560	1916	8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe	WScript.exe
PID 1916 wrote to memory of 560	1916	8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe	WScript.exe
PID 1916 wrote to memory of 560	1916	8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe	WScript.exe
PID 1916 wrote to memory of 560	1916	8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe	WScript.exe

C:\Users\Admin\AppData\Local\Temp\8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe
"C:\Users\Admin\AppData\Local\Temp\8c859cc8961ad4c823ee352b3cf2d64be9e3b2847a210a3c0ec36ed572acb3a0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\add4.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1924
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\dddd.vbs"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\add4.txt

Filesize
12KB

MD5
90d9c6ffacac645cd05206fd543c39e7

SHA1
66487ba953899ac0247ddf1c1a401cb3ae4afcad

SHA256
c017fa068c9029e761b001d47ced94fb897645f2808de2169179c4b78d1d1704

SHA512
165541f06fcb739966e6be0838f4ba3fd2fe4191da8ffa1b4abf099b610352917ee9232fdbf65835dd89e567310fd7703acf449456e4803cf460ed8ae2595242

Download Submit
C:\Users\Admin\AppData\Local\Temp\dddd.vbs

Filesize
49KB

MD5
2ddda6a9b659992544f453fbec38d3f5

SHA1
3f6f322cdb18ff00e8684284b335b54ea5fe8733

SHA256
64c2fb0dc0a942dcef51971b7313a1a6967f5f0dfbb689f3a2318a55e6c0c62a

SHA512
4331d81759594cb90633a636ffa5aeecee82d74401db4ec0d09dafde4abddf26d2e643d358960df98ca1d00d1ce68110a806feaab9523be3e5a0ca70074c2687

Download Submit
memory/560-57-0x0000000000000000-mapping.dmp

Download
memory/1916-54-0x0000000075A81000-0x0000000075A83000-memory.dmp

Filesize
8KB

Download
memory/1924-55-0x0000000000000000-mapping.dmp

Download