Malware Analysis Report

2024-09-22 12:37

Sample ID 240429-sbfskadc96
Target 07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118
SHA256 2f1659c68db862abf153e50e602cfe5141b9f17e146cd49b21cbd16e6de91042
Tags
troldesh persistence ransomware 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

2f1659c68db862abf153e50e602cfe5141b9f17e146cd49b21cbd16e6de91042

Threat Level: Known bad

The file 07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

troldesh persistence ransomware trojan upx

Troldesh, Shade, Encoder.858

UPX packed file

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-04-29 14:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-29 14:56

Reported

2024-04-29 14:59

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:49195 tcp
SE 171.25.193.9:80 tcp
NL 194.109.206.212:443 tcp

Files

memory/2664-0-0x00000000005E0000-0x00000000006AE000-memory.dmp

memory/2664-1-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2664-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2664-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/2664-7-0x0000000000400000-0x00000000005DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-29 14:56

Reported

2024-04-29 14:59

Platform

win10v2004-20240419-en

Max time kernel

141s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\07ee65cc64fd9c694a0e946fd50b4b24_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:60809 tcp
US 154.35.32.5:443 tcp
NL 194.109.206.212:443 tcp
SG 76.73.17.194:9090 tcp

Files

memory/3264-0-0x00000000023E0000-0x00000000024AE000-memory.dmp

memory/3264-1-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-2-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-3-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-7-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-8-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-9-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-10-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-11-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-14-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-15-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-16-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-17-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-18-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-19-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-20-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-21-0x0000000000400000-0x00000000005DE000-memory.dmp

memory/3264-22-0x0000000000400000-0x00000000005DE000-memory.dmp