Malware Analysis Report

2024-09-22 11:56

Sample ID 240414-nzvjeabc5w
Target ca13f4913d90017fd5cd552b30c25349
SHA256 25c3a5bf8a33e941286f5f271843a480e4f8669086eac047abdfd6f8d5f96a06
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

25c3a5bf8a33e941286f5f271843a480e4f8669086eac047abdfd6f8d5f96a06

Threat Level: Known bad

The file ca13f4913d90017fd5cd552b30c25349 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

2024-04-14 11:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-14 11:50

Reported

2024-04-14 11:53

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe

"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe"

Network

Country Destination Domain Proto
DE 193.23.244.244:443 tcp
N/A 127.0.0.1:49194 tcp
DE 131.188.40.189:443 tcp

Files

memory/2936-0-0x0000000001F10000-0x0000000001FE5000-memory.dmp

memory/2936-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2936-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2936-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2936-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2936-6-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2936-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2936-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2936-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2936-12-0x0000000001F10000-0x0000000001FE5000-memory.dmp

memory/2936-13-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-14 11:50

Reported

2024-04-14 11:53

Platform

win10-20240404-en

Max time kernel

141s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.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-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe

"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe"

Network

Country Destination Domain Proto
NL 194.109.206.212:443 tcp
N/A 127.0.0.1:49779 tcp
US 128.31.0.39:9101 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 154.35.32.5:443 tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 23.173.189.20.in-addr.arpa udp

Files

memory/908-0-0x0000000002320000-0x00000000023F5000-memory.dmp

memory/908-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-13-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-14-0x0000000002320000-0x00000000023F5000-memory.dmp

memory/908-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-18-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-19-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-24-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-25-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-26-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-27-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-28-0x0000000000400000-0x0000000000608000-memory.dmp

memory/908-29-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-04-14 11:50

Reported

2024-04-14 11:53

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe"

Signatures

Troldesh, Shade, Encoder.858

ransomware trojan troldesh

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe

"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.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 --mojo-platform-channel-handle=3896 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
GB 216.58.201.106:443 tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
N/A 127.0.0.1:49843 tcp
DE 131.188.40.189:443 tcp
US 8.8.8.8:53 189.40.188.131.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
SG 76.73.17.194:9090 tcp

Files

memory/1836-0-0x0000000002350000-0x0000000002425000-memory.dmp

memory/1836-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-6-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-13-0x0000000002350000-0x0000000002425000-memory.dmp

memory/1836-14-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-18-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-21-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1836-24-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-04-14 11:50

Reported

2024-04-14 11:53

Platform

win11-20240412-en

Max time kernel

141s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.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-1-5-21-1734202354-1504186683-2192872036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe

"C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 127.0.0.1:49749 tcp
US 208.83.223.34:80 tcp
DE 131.188.40.189:443 tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/2476-0-0x0000000002470000-0x0000000002545000-memory.dmp

memory/2476-1-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-2-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-3-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-4-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-5-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-8-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-11-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-12-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-13-0x0000000002470000-0x0000000002545000-memory.dmp

memory/2476-14-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-15-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-16-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-17-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-18-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-19-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-22-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-23-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-24-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-25-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-26-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-27-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-28-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2476-29-0x0000000000400000-0x0000000000608000-memory.dmp