troldesh | 4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059

General

Target

4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059.exe
Size

1.3MB
MD5

05c18c388bebea2b3f2463b2a5932b71
SHA1

1335834224d275bdccfcd0921bb22221e14bda9d
SHA256

4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059
SHA512

924762181560c1fa214aab5c9eb1d42dcaae5f30241b1232333821e25c78ec06b5c4cc3f56df0ef83a8159c7d8966252b61f0beeaace899dcea6d1bb82a79792

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/284-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/284-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/284-59-0x0000000000400000-0x0000000000608000-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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059.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
284	4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059.exe
284	4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
284	4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059.exe

C:\Users\Admin\AppData\Local\Temp\4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059.exe
"C:\Users\Admin\AppData\Local\Temp\4748eb93e8bf41f68800bca52f31b31e8f67f186ff9d2f7e7ab01b5a9f298059.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/284-54-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/284-55-0x00000000752A1000-0x00000000752A3000-memory.dmp

Filesize
8KB

Download
memory/284-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/284-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/284-58-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/284-59-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing