troldesh | 414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2

Target

414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2.exe
Size

1.4MB
MD5

4c6f64715df65201b347a48ac66d3daa
SHA1

2c4ff72e0f17af6dad7146a2f9de06e1187e0b69
SHA256

414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2
SHA512

64b3b78a5a22eac66ad73954870e8beb620815735b6c3554c65965c913679d0d78fdc9d5403038101ed1f8a6934cff8377ade62985c839d3ff980a15d1392e6d

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

resource	yara_rule
behavioral1/memory/1672-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1672-58-0x0000000000400000-0x0000000000608000-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
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2.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
1672	414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2.exe
1672	414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1672	414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2.exe

C:\Users\Admin\AppData\Local\Temp\414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2.exe
"C:\Users\Admin\AppData\Local\Temp\414bb1af4fbb618c4889d69144c7f66591c6e5294d0ab3b7ea8b774946977cf2.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1672

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/1672-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1672-56-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/1672-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1672-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download