troldesh | ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f

General

Target

ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe
Size

1021KB
MD5

481676b676b0e799ae14802a5ea726b5
SHA1

63338953c110312399e52e1b680c44e018a0a9a4
SHA256

ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f
SHA512

c49381e84f544f2e8706d00a62a407288e7fa662afeeee0d3230b78769f411fa0c4bd750f0083e03a5405278b4f8f05456ef4491355ff4c18e318fcfb64ea7b0

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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1384-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1384-58-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1384-61-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1384-62-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1384-63-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1384-64-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1384-65-0x0000000000400000-0x0000000000608000-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
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.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 532 set thread context of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27

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
1384	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe
1384	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27
PID 532 wrote to memory of 1384	532	ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe	27

C:\Users\Admin\AppData\Local\Temp\ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe
"C:\Users\Admin\AppData\Local\Temp\ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:532
- C:\Users\Admin\AppData\Local\Temp\ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe
  "C:\Users\Admin\AppData\Local\Temp\ae41a81e3b526724725d3b5b59ce12cfc1bd948d794bec527a78a2c5c397b16f.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:1384

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

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Downloads

memory/532-54-0x0000000000510000-0x00000000005E6000-memory.dmp

Filesize
856KB

Download
memory/532-59-0x00000000005F0000-0x00000000006C5000-memory.dmp

Filesize
852KB

Download
memory/532-57-0x0000000000510000-0x00000000005E6000-memory.dmp

Filesize
856KB

Download
memory/1384-55-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1384-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1384-60-0x00000000766A1000-0x00000000766A3000-memory.dmp

Filesize
8KB

Download
memory/1384-61-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1384-62-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1384-63-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1384-64-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1384-65-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download

Analysis

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