Overview

overview

10

Static

static

d52a459560...3e.exe

windows7_x64

10

d52a459560...3e.exe

windows10_x64

Analysis

  • max time kernel
    150s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-09-2021 14:35

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General

  • Target

    d52a459560622be3d8ab5d46ccface98acb49641386b971d427784d9f14e413e.exe

  • Size

    1.2MB

  • MD5

    87665d443c7a883a9605213fa5028662

  • SHA1

    04f910763ed46eb2b40be54f42ad7b7e4b149dd6

  • SHA256

    d52a459560622be3d8ab5d46ccface98acb49641386b971d427784d9f14e413e

  • SHA512

    b46e0937229313334646aca69b041f1134b048c29518b85381fae86172e7c1f88134bd4576606d5b56c0ba4ee2b7ebd0d5bc979e81597422a57f22bf99d79f00

Score
10/10
njratevasionpersistencetrojan

Malware Config

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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d52a459560622be3d8ab5d46ccface98acb49641386b971d427784d9f14e413e.exe
    "C:\Users\Admin\AppData\Local\Temp\d52a459560622be3d8ab5d46ccface98acb49641386b971d427784d9f14e413e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Users\Admin\AppData\Roaming\avg.dll.EXE
      "C:\Users\Admin\AppData\Roaming\avg.dll.EXE"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\avg.dll.EXE" "avg.dll.EXE" ENABLE
        3⤵
          PID:1752

    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\Roaming\avg.dll.EXE
      MD5

      87665d443c7a883a9605213fa5028662

      SHA1

      04f910763ed46eb2b40be54f42ad7b7e4b149dd6

      SHA256

      d52a459560622be3d8ab5d46ccface98acb49641386b971d427784d9f14e413e

      SHA512

      b46e0937229313334646aca69b041f1134b048c29518b85381fae86172e7c1f88134bd4576606d5b56c0ba4ee2b7ebd0d5bc979e81597422a57f22bf99d79f00

      Download Submit
    • C:\Users\Admin\AppData\Roaming\avg.dll.EXE
      MD5

      87665d443c7a883a9605213fa5028662

      SHA1

      04f910763ed46eb2b40be54f42ad7b7e4b149dd6

      SHA256

      d52a459560622be3d8ab5d46ccface98acb49641386b971d427784d9f14e413e

      SHA512

      b46e0937229313334646aca69b041f1134b048c29518b85381fae86172e7c1f88134bd4576606d5b56c0ba4ee2b7ebd0d5bc979e81597422a57f22bf99d79f00

      Download Submit
    • \Users\Admin\AppData\Roaming\avg.dll.EXE
      MD5

      87665d443c7a883a9605213fa5028662

      SHA1

      04f910763ed46eb2b40be54f42ad7b7e4b149dd6

      SHA256

      d52a459560622be3d8ab5d46ccface98acb49641386b971d427784d9f14e413e

      SHA512

      b46e0937229313334646aca69b041f1134b048c29518b85381fae86172e7c1f88134bd4576606d5b56c0ba4ee2b7ebd0d5bc979e81597422a57f22bf99d79f00

      Download Submit
    • memory/1172-56-0x0000000000000000-mapping.dmp
      Download
    • memory/1172-60-0x0000000000170000-0x0000000000171000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1540-53-0x0000000075A71000-0x0000000075A73000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1540-54-0x0000000000300000-0x0000000000301000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1752-61-0x0000000000000000-mapping.dmp
      Download