Malware Analysis Report

2024-09-22 12:44

Sample ID 240614-p84dca1hjd
Target a9ce276873b60dfd080f728f2de98e2a_JaffaCakes118
SHA256 8c9b5e458aa1d4733ab5f826029721e5ab4b45e3ffff369ae022d4a67fa45267
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8c9b5e458aa1d4733ab5f826029721e5ab4b45e3ffff369ae022d4a67fa45267

Threat Level: Known bad

The file a9ce276873b60dfd080f728f2de98e2a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

troldesh discovery persistence ransomware spyware stealer trojan upx

Troldesh, Shade, Encoder.858

UPX packed file

Reads user/profile data of web browsers

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

2024-06-14 13:00

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 13:00

Reported

2024-06-14 13:03

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9ce276873b60dfd080f728f2de98e2a_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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\a9ce276873b60dfd080f728f2de98e2a_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\a9ce276873b60dfd080f728f2de98e2a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a9ce276873b60dfd080f728f2de98e2a_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3980,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4028 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
N/A 127.0.0.1:49823 tcp
US 154.35.32.5:443 tcp
US 208.83.223.34:80 tcp
US 128.31.0.39:9101 tcp

Files

memory/4024-0-0x00000000009C0000-0x0000000000A95000-memory.dmp

memory/4024-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-7-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-6-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-13-0x00000000009C0000-0x0000000000A95000-memory.dmp

memory/4024-14-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-18-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-21-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-24-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-25-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-26-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-27-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-28-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4024-29-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 13:00

Reported

2024-06-14 13:03

Platform

win7-20240221-en

Max time kernel

125s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9ce276873b60dfd080f728f2de98e2a_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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\a9ce276873b60dfd080f728f2de98e2a_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\a9ce276873b60dfd080f728f2de98e2a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a9ce276873b60dfd080f728f2de98e2a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a9ce276873b60dfd080f728f2de98e2a_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:49196 tcp
NL 194.109.206.212:443 tcp
US 128.31.0.39:9101 tcp
SE 171.25.193.9:80 tcp

Files

memory/2164-0-0x0000000000610000-0x00000000006E5000-memory.dmp

memory/2164-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2164-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2164-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2164-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2164-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2164-7-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2164-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2164-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2164-12-0x0000000000610000-0x00000000006E5000-memory.dmp

memory/2164-13-0x0000000000400000-0x0000000000608000-memory.dmp