troldesh | 6192163bbb9343a274904093b94d6b12111a88bf24b58cbf9ed2c1463503e022 | Triage

Resubmissions

08-03-2024 15:04

240308-sfnzqsaa47 10

Analysis

max time kernel
141s
max time network
92s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
14-04-2024 11:53

Sharing

Report Analysis Logs

General

Target

bb8fce33b3478355c5a6c4f52f6ff83b.exe
Size

1.1MB
MD5

bb8fce33b3478355c5a6c4f52f6ff83b
SHA1

81ed80cb69b5c6e65bff71b8c53160a467099475
SHA256

6192163bbb9343a274904093b94d6b12111a88bf24b58cbf9ed2c1463503e022
SHA512

a1f9bad36ff0a866db0aaf918cd70ed235c1bf1679dbadea8a5e2746686e2736833e7fe10d6caec459106e90ad9efdd55ca2b66afb1b2f7c507cd46363cbed69
SSDEEP

24576:UlTshPoDiXbNSXIN6L/Y1ja1zwdY4k2A/QaFcEYZFj:UshPjNSXGic+FwTbA4SR2

Score

10^/10

troldesh discovery persistence ransomware spyware stealer trojan upx

Malware Config

Signatures

Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
ransomware trojan troldesh
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 22 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral4/memory/3600-1-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-2-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-3-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-4-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-5-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-8-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-11-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-12-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-13-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-15-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-16-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-17-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-18-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-19-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-22-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-23-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-24-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-25-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-26-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-27-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-28-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral4/memory/3600-29-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	bb8fce33b3478355c5a6c4f52f6ff83b.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3600	bb8fce33b3478355c5a6c4f52f6ff83b.exe
3600	bb8fce33b3478355c5a6c4f52f6ff83b.exe
3600	bb8fce33b3478355c5a6c4f52f6ff83b.exe
3600	bb8fce33b3478355c5a6c4f52f6ff83b.exe

C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe
"C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3600-0-0x00000000024E0000-0x00000000025B5000-memory.dmp

Filesize
852KB

Download
memory/3600-1-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-2-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-3-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-4-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-5-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-8-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-11-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-12-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-13-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-14-0x00000000024E0000-0x00000000025B5000-memory.dmp

Filesize
852KB

Download
memory/3600-15-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-16-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-17-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-18-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-19-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-22-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-23-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-24-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-25-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-26-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-27-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-28-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3600-29-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download