troldesh | 46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 16:39

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General

Target

46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.exe
Size

930KB
MD5

a49becf00b4f784713850c36c93743fd
SHA1

f3a52326f36fbae72b45ceb6aeab26a71bf3a50b
SHA256

46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8
SHA512

65b96532b75091670cd04ef57b367116980befc0779a65550bef3df7585969185275c2eb7f0e24969312b57da528911e76b01e7b5fa9e7621557d85992a2efbb
SSDEEP

24576:OOOkHvF7s7N9pJ6Fa9oshlganAnzmpwU32eV9:OOzt7grz6FO9AnhUfD

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

resource	yara_rule
behavioral2/memory/5056-133-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5056-134-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/5056-135-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.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

pid	Process
5056	46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.exe
5056	46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.exe
5056	46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.exe
5056	46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.exe

C:\Users\Admin\AppData\Local\Temp\46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.exe
"C:\Users\Admin\AppData\Local\Temp\46c556df89d0a5f2350e9cddd6d25b5b4dcde2d636d64c85bab29a1984bd64a8.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:5056

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/5056-132-0x0000000002370000-0x0000000002445000-memory.dmp

Filesize
852KB

Download
memory/5056-133-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5056-134-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/5056-135-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download