Overview

overview

10

Static

static

92d0a1a1b5...26.exe

windows7_x64

10

92d0a1a1b5...26.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 15:36

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General

  • Target

    92d0a1a1b5eaf3f8624d4f2e39e2de26.exe

  • Size

    23KB

  • MD5

    92d0a1a1b5eaf3f8624d4f2e39e2de26

  • SHA1

    21dc02d8bf484c464bfb1c39cfe26bdbb56ea0ac

  • SHA256

    dd562a2d51ffcf2c9f56779211e8bd1b22899d7448cb544e73c1baae4fcb811d

  • SHA512

    32652c97a839a601c06883672bbda393ee0db31f6497fb7a1fda407c72144087a365236f7e6db1fad2b000f5de4d880498bbfcd3437efacf39650e720f020d78

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.10.10:5552

Mutex

e3c9dc0133333258fa0ebe7ab4bdc72d

Attributes
  • reg_key

    e3c9dc0133333258fa0ebe7ab4bdc72d

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92d0a1a1b5eaf3f8624d4f2e39e2de26.exe
    "C:\Users\Admin\AppData\Local\Temp\92d0a1a1b5eaf3f8624d4f2e39e2de26.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:824
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
          PID:1348

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\server.exe
      MD5

      92d0a1a1b5eaf3f8624d4f2e39e2de26

      SHA1

      21dc02d8bf484c464bfb1c39cfe26bdbb56ea0ac

      SHA256

      dd562a2d51ffcf2c9f56779211e8bd1b22899d7448cb544e73c1baae4fcb811d

      SHA512

      32652c97a839a601c06883672bbda393ee0db31f6497fb7a1fda407c72144087a365236f7e6db1fad2b000f5de4d880498bbfcd3437efacf39650e720f020d78

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      MD5

      92d0a1a1b5eaf3f8624d4f2e39e2de26

      SHA1

      21dc02d8bf484c464bfb1c39cfe26bdbb56ea0ac

      SHA256

      dd562a2d51ffcf2c9f56779211e8bd1b22899d7448cb544e73c1baae4fcb811d

      SHA512

      32652c97a839a601c06883672bbda393ee0db31f6497fb7a1fda407c72144087a365236f7e6db1fad2b000f5de4d880498bbfcd3437efacf39650e720f020d78

      Download Submit
    • \Users\Admin\AppData\Local\Temp\server.exe
      MD5

      92d0a1a1b5eaf3f8624d4f2e39e2de26

      SHA1

      21dc02d8bf484c464bfb1c39cfe26bdbb56ea0ac

      SHA256

      dd562a2d51ffcf2c9f56779211e8bd1b22899d7448cb544e73c1baae4fcb811d

      SHA512

      32652c97a839a601c06883672bbda393ee0db31f6497fb7a1fda407c72144087a365236f7e6db1fad2b000f5de4d880498bbfcd3437efacf39650e720f020d78

      Download Submit
    • memory/824-3-0x0000000000000000-mapping.dmp
      Download
    • memory/1348-6-0x0000000000000000-mapping.dmp
      Download