Malware Analysis Report

2024-11-13 13:22

Sample ID 240616-3q298ayakn
Target b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118
SHA256 1e92da3f3107469f9830f8551affa8b028a67af43e75c8aaedd59b646c5e8251
Tags
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

1e92da3f3107469f9830f8551affa8b028a67af43e75c8aaedd59b646c5e8251

Threat Level: Shows suspicious behavior

The file b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary


Executes dropped EXE

Reads runtime system information

Writes file to tmp directory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-16 23:43

Signatures

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-16 23:43

Reported

2024-06-16 23:44

Platform

debian9-mipsbe-20240611-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-16 23:43

Reported

2024-06-16 23:44

Platform

debian9-mipsel-20240611-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 23:43

Reported

2024-06-16 23:46

Platform

ubuntu1804-amd64-20240611-en

Max time kernel

0s

Max time network

131s

Command Line

[/tmp/b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118]

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A
N/A /tmp/zantari32 /tmp/zantari32 N/A

Reads runtime system information

Description Indicator Process Target
File opened for reading /proc/filesystems /bin/cp N/A

Writes file to tmp directory

Description Indicator Process Target
File opened for modification /tmp/busybox /bin/cp N/A
File opened for modification /tmp/zantari32 /tmp/b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 N/A

Processes

/tmp/b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118

[/tmp/b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118]

/bin/cp

[cp /bin/busybox /tmp/]

/bin/cat

[cat zantari.x86]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.mips]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.mpsl]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.arm4]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.arm5]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.arm6]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.arm7]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.ppc]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.m68k]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

/bin/cat

[cat zantari.sh4]

/bin/chmod

[chmod +x b5cd35d83aa5cc3634567ce7908a98ff_JaffaCakes118 busybox config-err-KaZKo5 netplan_shzgbutu snap-private-tmp ssh-DJAIfF5vDuSn systemd-private-405cfb5ad6264ab195f9c96db16d9d87-bolt.service-TbhmLP systemd-private-405cfb5ad6264ab195f9c96db16d9d87-colord.service-Zm2MHU systemd-private-405cfb5ad6264ab195f9c96db16d9d87-ModemManager.service-byjNAE systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-resolved.service-9DiRy3 systemd-private-405cfb5ad6264ab195f9c96db16d9d87-systemd-timedated.service-BTz1IL zantari32]

/tmp/zantari32

[./zantari32 ssh]

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 185.125.188.61:443 tcp
GB 185.125.188.62:443 tcp
US 151.101.193.91:443 tcp
US 151.101.193.91:443 tcp
GB 89.187.167.8:443 tcp

Files

/tmp/busybox

MD5 b4dede5fc0b1bad5cb8e901bde126b97
SHA1 10cbe9a418ad84a1ed297948539d37aeb58dd810
SHA256 a9f0735d28f9a6a4f2634d3b144156f7b3df3b476a16a5ab0c7bdf98d74dd020
SHA512 45665ce3a42f63a01fdef517e0c4cb943efce64c8a32d3ce07ab4f1fafc23cda77f378d324342efc79dc9d2293c4b4454d06c1cf4997b9e866784de01cb546e6

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 23:43

Reported

2024-06-16 23:46

Platform

debian9-armhf-20240418-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A