troldesh | 7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3

Analysis

max time kernel
177s
max time network
239s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
31/07/2022, 07:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe
Size

1.6MB
MD5

8af61cf426f27fabebb2f36a7fc09ecc
SHA1

625dba2ddc6c0be037b22870407e988f284f5e64
SHA256

7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3
SHA512

00a4967ce6a02f1cf1badf86efcf8051bcb0cf7100071e059e1bbc688aaef41ae1eedce07a35330731d448806f7d45ed839afa0937cc31199c9b6a892a4f54ce

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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1200-131-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1200-132-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1200-133-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1200-137-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1200-138-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1200-139-0x0000000000400000-0x0000000000608000-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-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3788 set thread context of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82

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 4 IoCs

pid	Process
1200	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe
1200	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe
1200	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe
1200	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82
PID 3788 wrote to memory of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82
PID 3788 wrote to memory of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82
PID 3788 wrote to memory of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82
PID 3788 wrote to memory of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82
PID 3788 wrote to memory of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82
PID 3788 wrote to memory of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82
PID 3788 wrote to memory of 1200	3788	7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe	82

C:\Users\Admin\AppData\Local\Temp\7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe
"C:\Users\Admin\AppData\Local\Temp\7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Users\Admin\AppData\Local\Temp\7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe
  "C:\Users\Admin\AppData\Local\Temp\7299a4d81ec242a0b24965bdf12cf85c18d474361e93a00457cc67deb928e0c3.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:1200

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

Loading Replay Monitor...

Downloads

memory/1200-131-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1200-132-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1200-133-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1200-137-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1200-138-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1200-139-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3788-134-0x0000000000400000-0x00000000005B7000-memory.dmp

Filesize
1.7MB

Download
memory/3788-135-0x0000000000B7A000-0x0000000000C52000-memory.dmp

Filesize
864KB

Download
memory/3788-136-0x0000000000CA0000-0x0000000000D75000-memory.dmp

Filesize
852KB

Download