Malware Analysis Report

2025-01-02 05:32

Sample ID 240723-lkfqlayfmg
Target 6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118
SHA256 055c50b29c58a0c66b7a1261e023e79d0f7018299870ec4695e7d6d71d718656
Tags
smokeloader 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

055c50b29c58a0c66b7a1261e023e79d0f7018299870ec4695e7d6d71d718656

Threat Level: Known bad

The file 6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan

SmokeLoader

Loads dropped DLL

Unsigned PE

Program crash

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-23 09:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-23 09:35

Reported

2024-07-23 10:12

Platform

win7-20240704-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe"

Network

N/A

Files

memory/1648-2-0x0000000002350000-0x0000000002450000-memory.dmp

memory/1648-4-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1648-3-0x0000000000220000-0x000000000022A000-memory.dmp

\Users\Admin\AppData\Local\Temp\B5D9.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/1648-8-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1648-7-0x0000000000400000-0x0000000002227000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 09:35

Reported

2024-07-23 10:11

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_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\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6709f2cd3ea144baa6a164ae3585e695_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 668 -ip 668

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 376

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/668-4-0x0000000000400000-0x000000000040A000-memory.dmp

memory/668-3-0x00000000023C0000-0x00000000023CA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\B5D9.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

memory/668-2-0x0000000002510000-0x0000000002610000-memory.dmp

memory/668-9-0x0000000000400000-0x000000000040A000-memory.dmp

memory/668-8-0x0000000000400000-0x0000000002227000-memory.dmp