Malware Analysis Report

2024-11-13 19:13

Sample ID 240714-s2rbzswgkp
Target 4672860f144d68f4c11ff482116f2c5e_JaffaCakes118
SHA256 e09d6c1804c091b77dd08e7e07ba057c6809f989d1a88189ac68929f38281084
Tags
smokeloader ku11 backdoor trojan
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

e09d6c1804c091b77dd08e7e07ba057c6809f989d1a88189ac68929f38281084

Threat Level: Known bad

The file 4672860f144d68f4c11ff482116f2c5e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader ku11 backdoor trojan

SmokeLoader

Loads dropped DLL

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-14 15:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-14 15:37

Reported

2024-07-14 15:40

Platform

win7-20240704-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 168

Network

N/A

Files

\Users\Admin\AppData\Local\Temp\5C1B.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/852-2-0x0000000002A60000-0x0000000002A61000-memory.dmp

memory/852-4-0x0000000002A90000-0x0000000002A9A000-memory.dmp

memory/852-3-0x0000000002A80000-0x0000000002A8A000-memory.dmp

memory/852-6-0x0000000002A90000-0x0000000002A9A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-14 15:37

Reported

2024-07-14 15:40

Platform

win10v2004-20240709-en

Max time kernel

93s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4672860f144d68f4c11ff482116f2c5e_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4848 -ip 4848

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp

Files

memory/4848-1-0x00000000034D0000-0x00000000034DA000-memory.dmp

memory/4848-0-0x00000000034B0000-0x00000000034B1000-memory.dmp

memory/4848-2-0x00000000034E0000-0x00000000034EA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\5C1B.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

memory/4848-7-0x00000000034E0000-0x00000000034EA000-memory.dmp