Malware Analysis Report

2024-09-23 06:48

Sample ID 240614-1jawaaxbjf
Target ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118
SHA256 e59d9cf02598cf225626f10d72340a119c1025305548eda0901665d791f02f6d
Tags
gandcrab backdoor persistence ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e59d9cf02598cf225626f10d72340a119c1025305548eda0901665d791f02f6d

Threat Level: Known bad

The file ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor persistence ransomware

GandCrab payload

Gandcrab

Enumerates connected drives

Adds Run key to start application

Program crash

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 21:40

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 21:40

Reported

2024-06-14 21:42

Platform

win7-20240508-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe"

Signatures

GandCrab payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Gandcrab

ransomware backdoor gandcrab

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\jargyueuxzn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\qtkuyo.exe\"" C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2236 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe
PID 2236 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe C:\Windows\SysWOW64\nslookup.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe"

C:\Windows\SysWOW64\nslookup.exe

nslookup carder.bit ns1.wowservers.ru

C:\Windows\SysWOW64\nslookup.exe

nslookup ransomware.bit ns2.wowservers.ru

C:\Windows\SysWOW64\nslookup.exe

nslookup carder.bit ns2.wowservers.ru

C:\Windows\SysWOW64\nslookup.exe

nslookup ransomware.bit ns1.wowservers.ru

C:\Windows\SysWOW64\nslookup.exe

nslookup carder.bit ns1.wowservers.ru

C:\Windows\SysWOW64\nslookup.exe

nslookup ransomware.bit ns2.wowservers.ru

Network

Country Destination Domain Proto
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 ns1.wowservers.ru udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 ns2.wowservers.ru udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ns2.wowservers.ru udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 ns1.wowservers.ru udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ns1.wowservers.ru udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 carder.bit udp
US 8.8.8.8:53 ns2.wowservers.ru udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ransomware.bit udp
US 8.8.8.8:53 ransomware.bit udp

Files

memory/2236-0-0x00000000001C0000-0x00000000001DB000-memory.dmp

memory/2236-1-0x0000000000400000-0x000000000042C000-memory.dmp

memory/2236-2-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2236-3-0x0000000001B70000-0x0000000001B87000-memory.dmp

memory/2236-5-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2236-13-0x0000000000400000-0x000000000042C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 21:40

Reported

2024-06-14 21:42

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe"

Signatures

GandCrab payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Gandcrab

ransomware backdoor gandcrab

Processes

C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ab965bfae982809f15b4e4ef6f5a65b0_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1244 -ip 1244

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 488

Network

Files

memory/1244-0-0x0000000000490000-0x00000000004AB000-memory.dmp

memory/1244-1-0x0000000000400000-0x000000000042C000-memory.dmp

memory/1244-2-0x0000000000400000-0x0000000000449000-memory.dmp

memory/1244-3-0x00000000020B0000-0x00000000020C7000-memory.dmp

memory/1244-5-0x0000000000400000-0x0000000000449000-memory.dmp

memory/1244-8-0x0000000000490000-0x00000000004AB000-memory.dmp

memory/1244-9-0x0000000000400000-0x000000000042C000-memory.dmp