troldesh | 29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552

Target

29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe
Size

1.4MB
MD5

a71294ac29535734df8d7ea8e30bef3b
SHA1

4d24ee41c7d2aecfebd5500adc3dc308ebf8e029
SHA256

29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552
SHA512

978cf084bf6ecaf1df46e54645c6a87a9b1ca48d641405a7cdf2a411f2619455c66875e8de0f4fcaaaa4f96f81c5d6261511198f03d61f73211dc8cebeb148bb

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
behavioral1/memory/1464-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1464-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1464-59-0x0000000000400000-0x0000000000608000-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-1-5-21-790309383-526510583-3802439154-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.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
1464	29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe
1464	29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1464	29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe

C:\Users\Admin\AppData\Local\Temp\29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe
"C:\Users\Admin\AppData\Local\Temp\29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1464

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/1464-54-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/1464-55-0x0000000075381000-0x0000000075383000-memory.dmp

Filesize
8KB

Download
memory/1464-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1464-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1464-58-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/1464-59-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download