troldesh | 5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83

Target

5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83.exe
Size

1.3MB
MD5

e2b8c884e9a91430ca6666f06aedf42e
SHA1

805a1193f029840c1a2fc057942b72e5fb93dffd
SHA256

5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83
SHA512

49922bd870dfb1296bc689e5abc8235f82d565db3a06544d6fc6974bf6611dfc73873018c4ebfb878d45633fb08565079b02a36e849e47809addb1bd2118aaad

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/1668-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1668-57-0x0000000000400000-0x0000000000608000-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-1-5-21-2329389628-4064185017-3901522362-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83.exe
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\""	5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83.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
1668	5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83.exe
1668	5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1668	5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83.exe

C:\Users\Admin\AppData\Local\Temp\5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83.exe
"C:\Users\Admin\AppData\Local\Temp\5013dc9e2ddbe9ddd90af638466379f876b70ebe504d62e72ed166480a4d4f83.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1668

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/1668-54-0x00000000002B0000-0x0000000000385000-memory.dmp

Filesize
852KB

Download
memory/1668-55-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1668-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1668-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download