Malware Analysis Report

2024-09-22 12:41

Sample ID 240617-egynnsxcpm
Target b6a294ac8421dfc269e9af7428094063_JaffaCakes118
SHA256 a1271c366e91dbc3a7f0d6b4b2c1873019056786219c14ad12185ad115771632
Tags
troldesh discovery persistence ransomware spyware stealer trojan upx
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

a1271c366e91dbc3a7f0d6b4b2c1873019056786219c14ad12185ad115771632

Threat Level: Known bad

The file b6a294ac8421dfc269e9af7428094063_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware spyware stealer trojan upx

Troldesh, Shade, Encoder.858

Reads user/profile data of web browsers

UPX packed file

Adds Run key to start application

Checks installed software on the system

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 03:55

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 03:55

Reported

2024-06-17 03:57

Platform

win7-20240220-en

Max time kernel

117s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Reads user/profile data of web browsers

spyware stealer

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:49195 tcp
DE 131.188.40.189:443 tcp
SE 171.25.193.9:80 tcp

Files

memory/2364-0-0x00000000002C0000-0x0000000000395000-memory.dmp

memory/2364-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2364-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2364-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2364-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2364-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2364-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2364-7-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2364-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2364-12-0x00000000002C0000-0x0000000000395000-memory.dmp

memory/2364-13-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 03:55

Reported

2024-06-17 03:57

Platform

win10v2004-20240611-en

Max time kernel

142s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

Reads user/profile data of web browsers

spyware stealer

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6a294ac8421dfc269e9af7428094063_JaffaCakes118.exe"

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 8.8.8.8.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
N/A 127.0.0.1:51113 tcp
US 154.35.32.5:443 tcp
US 128.31.0.39:9101 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
NL 194.109.206.212:443 tcp

Files

memory/3412-0-0x0000000002290000-0x0000000002365000-memory.dmp

memory/3412-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-7-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-13-0x0000000002290000-0x0000000002365000-memory.dmp

memory/3412-14-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-18-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-19-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-24-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-25-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-26-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-27-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-28-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3412-29-0x0000000000400000-0x0000000000608000-memory.dmp