troldesh | 53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107

Target

53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
Size

1.4MB
MD5

0bb5679dae9b16d3926be4b2c8c596d7
SHA1

f0d68b1798913c37b3c19970262e3d0e63558232
SHA256

53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107
SHA512

31ac1246975c6d432a1751997a83e2fec5fb91ba538915be08d67a5db385adb22d994f1d19ebb1374e0bad07accf7b1b892f5f68a6e6cbb0e71cc08479fff4ee

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/892-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/892-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx

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
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
Key created	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.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 2 IoCs

pid	Process
892	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
892	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
892	53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe

C:\Users\Admin\AppData\Local\Temp\53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe
"C:\Users\Admin\AppData\Local\Temp\53e3bb561c54df00565fba06ddf477f9980e734e543c85103d8c073cb13a5107.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:892

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/892-54-0x0000000000300000-0x00000000003D5000-memory.dmp

Filesize
852KB

Download
memory/892-55-0x0000000074E31000-0x0000000074E33000-memory.dmp

Filesize
8KB

Download
memory/892-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/892-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download