troldesh | 2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a

Analysis

max time kernel
152s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
22-06-2022 00:19

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General

Target

2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe
Size

1.2MB
MD5

4d8e51aef3a20a478ed61982b3a366b2
SHA1

2d583524130646bc9a689e537fcbe06f04da7f36
SHA256

2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a
SHA512

fa40ba4ec2cc1f7c79ae09a224436d587e6cc83119bb9e7668ffc1b6e94fe0c0916ec5f22a6a6eccdd845d2450649997bf630cb3e371030107560823726781c4

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/1016-132-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1016-133-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1016-134-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.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\""	2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.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:

2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe

pid	process
1016	2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe
1016	2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe
1016	2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe
1016	2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe

C:\Users\Admin\AppData\Local\Temp\2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe
"C:\Users\Admin\AppData\Local\Temp\2f0406b56f511aa19d5e9e896e4e86e33768550784b2c97a6bef65b1b60eba6a.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1016

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/1016-130-0x0000000002530000-0x0000000002605000-memory.dmp

Filesize
852KB

Download
memory/1016-131-0x0000000002530000-0x0000000002605000-memory.dmp

Filesize
852KB

Download
memory/1016-132-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1016-133-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1016-134-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download