troldesh | 12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2

Analysis

max time kernel
151s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
03-06-2022 22:08

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General

Target

12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe
Size

1.2MB
MD5

cf7ea57a75432d8e13f70aeb795a1158
SHA1

6a54de0ce4a1bae5de76608a09764103b3116656
SHA256

12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2
SHA512

16e08d4c88679ae67f91160a5c95f960080acef95f83179b155ca8dc466886c331d402e4b5fda128c9b9d50a7838e6472a29d93bad5b0c4175b3beb3d65fcfd4

Score

10^/10

troldesh discovery persistence ransomware trojan upx

Malware Config

Signatures

Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
ransomware trojan troldesh

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4132-131-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/4132-132-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/4132-134-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.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). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe

pid	process
4132	12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe
4132	12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe
4132	12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe
4132	12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe

C:\Users\Admin\AppData\Local\Temp\12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe
"C:\Users\Admin\AppData\Local\Temp\12352cb3fcd048e8b8dc1efe47e0a70456e1ef9d17724201dcfe70ad500c39b2.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4132

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4132-130-0x0000000002360000-0x0000000002435000-memory.dmp

Filesize
852KB

Download
memory/4132-131-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/4132-132-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/4132-133-0x0000000002360000-0x0000000002435000-memory.dmp

Filesize
852KB

Download
memory/4132-134-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download