Overview

overview

8

Static

static

kFZL7Q3b.exe

windows7_x64

8

kFZL7Q3b.exe

windows10_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 17:33

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General

  • Target

    kFZL7Q3b.exe

  • Size

    29KB

  • MD5

    05a677cf02b11ca26d30e538dc56001f

  • SHA1

    b82536b603be4f7a9a0231db925129c9efbc777b

  • SHA256

    a121587e76f7ab2c542262abbb0904500e9924a44fd2fa89cc9406f9e385ac3e

  • SHA512

    408d5697ffe5c567d06faf28a0f85419696dc2e23eb528f92464192c234cadb5c3fcd867c8107defe3f5da90e0eee76634b175ce2c1f6b54e5a43cc62017826f

Score
8/10
evasion

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kFZL7Q3b.exe
    "C:\Users\Admin\AppData\Local\Temp\kFZL7Q3b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\lahana.exe
      "C:\Users\Admin\AppData\Local\Temp\lahana.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1236
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\lahana.exe" "lahana.exe" ENABLE
        3⤵
          PID:1760

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    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\lahana.exe
      MD5

      05a677cf02b11ca26d30e538dc56001f

      SHA1

      b82536b603be4f7a9a0231db925129c9efbc777b

      SHA256

      a121587e76f7ab2c542262abbb0904500e9924a44fd2fa89cc9406f9e385ac3e

      SHA512

      408d5697ffe5c567d06faf28a0f85419696dc2e23eb528f92464192c234cadb5c3fcd867c8107defe3f5da90e0eee76634b175ce2c1f6b54e5a43cc62017826f

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

      05a677cf02b11ca26d30e538dc56001f

      SHA1

      b82536b603be4f7a9a0231db925129c9efbc777b

      SHA256

      a121587e76f7ab2c542262abbb0904500e9924a44fd2fa89cc9406f9e385ac3e

      SHA512

      408d5697ffe5c567d06faf28a0f85419696dc2e23eb528f92464192c234cadb5c3fcd867c8107defe3f5da90e0eee76634b175ce2c1f6b54e5a43cc62017826f

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

      05a677cf02b11ca26d30e538dc56001f

      SHA1

      b82536b603be4f7a9a0231db925129c9efbc777b

      SHA256

      a121587e76f7ab2c542262abbb0904500e9924a44fd2fa89cc9406f9e385ac3e

      SHA512

      408d5697ffe5c567d06faf28a0f85419696dc2e23eb528f92464192c234cadb5c3fcd867c8107defe3f5da90e0eee76634b175ce2c1f6b54e5a43cc62017826f

      Download Submit
    • memory/1236-61-0x0000000000000000-mapping.dmp
      Download
    • memory/1236-66-0x0000000000320000-0x0000000000321000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1236-69-0x0000000000321000-0x0000000000322000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1236-70-0x0000000000326000-0x0000000000337000-memory.dmp
      Filesize

      68KB

      Download
    • memory/1640-59-0x0000000075631000-0x0000000075633000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1640-65-0x00000000020E0000-0x00000000020E1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1760-67-0x0000000000000000-mapping.dmp
      Download