Malware Analysis Report

2025-01-18 18:19

Sample ID 241124-b3abestlgj
Target 91d8ab08a37f9c26a743380677aa200d_JaffaCakes118
SHA256 d0431537537c9c73f5a1b90b46b560cac4be82feb5ac14d47163a9f4b4fa1a41
Tags
locky discovery ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

d0431537537c9c73f5a1b90b46b560cac4be82feb5ac14d47163a9f4b4fa1a41

Threat Level: Known bad

The file 91d8ab08a37f9c26a743380677aa200d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

locky discovery ransomware

Locky

Locky family

Loads dropped DLL

Executes dropped EXE

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-24 01:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-24 01:39

Reported

2024-11-24 01:42

Platform

win7-20240903-en

Max time kernel

138s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91d8ab08a37f9c26a743380677aa200d_JaffaCakes118.exe"

Signatures

Locky

ransomware locky

Locky family

locky

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\91d8ab08a37f9c26a743380677aa200d_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\91d8ab08a37f9c26a743380677aa200d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\91d8ab08a37f9c26a743380677aa200d_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
RU 94.242.57.45:80 tcp
DE 46.4.239.76:80 tcp
US 8.8.8.8:53 icmgjlcwdagup.fr udp
US 8.8.8.8:53 akfxdmrckklw.eu udp
US 162.249.64.234:80 akfxdmrckklw.eu tcp
US 8.8.8.8:53 neowblqxfcuwyjx.ru udp
US 8.8.8.8:53 btlgjec.eu udp
US 162.249.64.234:80 btlgjec.eu tcp
US 8.8.8.8:53 sjekmb.pm udp
US 8.8.8.8:53 gybwjfnlf.nl udp
RU 94.242.57.45:80 tcp
DE 46.4.239.76:80 tcp
US 162.249.64.234:80 btlgjec.eu tcp
US 162.249.64.234:80 btlgjec.eu tcp
RU 94.242.57.45:80 tcp
DE 46.4.239.76:80 tcp

Files

memory/2132-0-0x0000000000400000-0x000000000041B000-memory.dmp

\Users\Admin\AppData\Local\Temp\svchost.exe

MD5 4e4a8812b80c8542a3095a53c29f5441
SHA1 6218bd4eba6d91007d8b8c32a040194ec123f5b6
SHA256 2cbf3ac4f304fa711e23d6a8a762451b7b06550d56b7bd688d4c6d1bee9984db
SHA512 5bfd0bb53db5e4c6abe8dbed61a14244e107061bd29319a30e6dc8ee1c87f9d88ead7c843494a0b927d32efbf95e9510eb4d67df6bc3f4c849c80798523a071b

memory/2132-8-0x0000000000400000-0x000000000041B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-24 01:39

Reported

2024-11-24 01:42

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91d8ab08a37f9c26a743380677aa200d_JaffaCakes118.exe"

Signatures

Locky

ransomware locky

Locky family

locky

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\91d8ab08a37f9c26a743380677aa200d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\91d8ab08a37f9c26a743380677aa200d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\91d8ab08a37f9c26a743380677aa200d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4740 -ip 4740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 440

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4740 -ip 4740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 460

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4740 -ip 4740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4740 -ip 4740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 504

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 94.242.57.45:80 tcp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
DE 46.4.239.76:80 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 icmgjlcwdagup.fr udp
US 8.8.8.8:53 akfxdmrckklw.eu udp
US 162.249.64.234:80 akfxdmrckklw.eu tcp
US 8.8.8.8:53 neowblqxfcuwyjx.ru udp
US 8.8.8.8:53 btlgjec.eu udp
US 162.249.64.234:80 btlgjec.eu tcp
US 8.8.8.8:53 sjekmb.pm udp
US 8.8.8.8:53 gybwjfnlf.nl udp
RU 94.242.57.45:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
DE 46.4.239.76:80 tcp
US 8.8.8.8:53 icmgjlcwdagup.fr udp
US 162.249.64.234:80 btlgjec.eu tcp
US 8.8.8.8:53 neowblqxfcuwyjx.ru udp
US 162.249.64.234:80 btlgjec.eu tcp
US 8.8.8.8:53 sjekmb.pm udp
US 8.8.8.8:53 gybwjfnlf.nl udp
RU 94.242.57.45:80 tcp
DE 46.4.239.76:80 tcp
US 8.8.8.8:53 30.73.42.20.in-addr.arpa udp

Files

memory/4740-0-0x0000000000400000-0x000000000041B000-memory.dmp

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

MD5 4e4a8812b80c8542a3095a53c29f5441
SHA1 6218bd4eba6d91007d8b8c32a040194ec123f5b6
SHA256 2cbf3ac4f304fa711e23d6a8a762451b7b06550d56b7bd688d4c6d1bee9984db
SHA512 5bfd0bb53db5e4c6abe8dbed61a14244e107061bd29319a30e6dc8ee1c87f9d88ead7c843494a0b927d32efbf95e9510eb4d67df6bc3f4c849c80798523a071b

memory/4740-4-0x0000000000400000-0x000000000041B000-memory.dmp