Overview

overview

10

Static

static

1

csrss.exe

windows7-x64

10

csrss.exe

windows10-2004-x64

10

msg[1].exe

windows7-x64

10

msg[1].exe

windows10-2004-x64

10

rad1903E.exe

windows7-x64

10

rad1903E.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    133s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 02:50

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    csrss.exe

  • Size

    1.2MB

  • MD5

    16a313d609f999958dbeb95cd4cf2ccf

  • SHA1

    a012954a7257eaea94b4d21ca9c8997fefebade4

  • SHA256

    3c1cf2acf484d12b8ce39d8f9881313d4ba7d3fb5977163881a9089c2c1b2b97

  • SHA512

    d9cddf49804604b15178a64df8814e903948d7ca3ccc415e75946bfe11109817e72fcff4f21edb01b2f0b3e651cf20e94fda5f2930a5deaf17893ac5a97fce8c

  • SSDEEP

    24576:/xQDBHwbrk6VC+bz1CTACJS/jxJxFhv4TFvE9vZXqXsP:/x5bR1MqxXFh4TdEVdqw

Score
10/10
troldeshdiscoverypersistenceransomwarespywarestealertrojanupx

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

    ransomwaretrojantroldesh
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • UPX packed file 22 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\csrss.exe
    "C:\Users\Admin\AppData\Local\Temp\csrss.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    PID:1676

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1676-0-0x00000000025A0000-0x0000000002675000-memory.dmp
    Filesize

    852KB

    Download
  • memory/1676-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-7-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-8-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-12-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-13-0x00000000025A0000-0x0000000002675000-memory.dmp
    Filesize

    852KB

    Download
  • memory/1676-14-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-15-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-17-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-18-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-19-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-22-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-23-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-24-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-25-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-26-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-27-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/1676-28-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

    Download