troldesh | 018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd

Analysis

max time kernel
9s
max time network
29s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
23-05-2022 19:07

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General

Target

018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe
Size

1.3MB
MD5

d370d026e157dd2e0922388677cec575
SHA1

6978681c411eb7fbf8d32bb5fb2d9db8638dc2b6
SHA256

018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd
SHA512

0bbefed28e3764389586aa74c52f4c88832a9ba5c62082a3888f39d4fb82434a533f186a310b47453840a50f801b57172a5a19592cdabc4f10597df406d702f6

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 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3588-131-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/3588-132-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.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:

018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe

pid	process
3588	018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe
3588	018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe
3588	018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe
3588	018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe

C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe
"C:\Users\Admin\AppData\Local\Temp\018fb25850102c1d439fd091cf78afd117e66512ce6e243fdc4d3ac1ad5926dd.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3588

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3588-130-0x00000000023B0000-0x0000000002485000-memory.dmp

Filesize
852KB

Download
memory/3588-131-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3588-132-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download