Overview

overview

10

Static

static

b9c6c9838b...79.exe

windows7_x64

10

b9c6c9838b...79.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 16:14

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General

  • Target

    b9c6c9838b6c8f0ee4142de9a4a15d79.exe

  • Size

    31KB

  • MD5

    b9c6c9838b6c8f0ee4142de9a4a15d79

  • SHA1

    0b8facf9ac1e2c02f2cc719019e8f19225d25447

  • SHA256

    3f9c4d9047bbdb5f2c575c11c9b7d43e94a8053ec7a03318ce82fcac84d74b14

  • SHA512

    9aed75440268b61717356c9fec17022d5a08badc73036100b17437c2d959cc4fbd76cd13b1316c79a09c46a877939da40f1d0611fa6fa6915495eb0ae228fe0b

Score
10/10
njratsqli dumperevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

SQLi Dumper

C2

osbios.net:3129

Mutex

b3bb675697aae6a94367e8803b763fc4

Attributes
  • reg_key

    b3bb675697aae6a94367e8803b763fc4

  • splitter

    Y262SUCZ4UJJ

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\b9c6c9838b6c8f0ee4142de9a4a15d79.exe
    "C:\Users\Admin\AppData\Local\Temp\b9c6c9838b6c8f0ee4142de9a4a15d79.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Users\Admin\AppData\Local\Temp\Microsoft Service.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft Service.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1452
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Microsoft Service.exe" "Microsoft Service.exe" ENABLE
        3⤵
          PID:516

    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\Microsoft Service.exe
      MD5

      b9c6c9838b6c8f0ee4142de9a4a15d79

      SHA1

      0b8facf9ac1e2c02f2cc719019e8f19225d25447

      SHA256

      3f9c4d9047bbdb5f2c575c11c9b7d43e94a8053ec7a03318ce82fcac84d74b14

      SHA512

      9aed75440268b61717356c9fec17022d5a08badc73036100b17437c2d959cc4fbd76cd13b1316c79a09c46a877939da40f1d0611fa6fa6915495eb0ae228fe0b

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

      b9c6c9838b6c8f0ee4142de9a4a15d79

      SHA1

      0b8facf9ac1e2c02f2cc719019e8f19225d25447

      SHA256

      3f9c4d9047bbdb5f2c575c11c9b7d43e94a8053ec7a03318ce82fcac84d74b14

      SHA512

      9aed75440268b61717356c9fec17022d5a08badc73036100b17437c2d959cc4fbd76cd13b1316c79a09c46a877939da40f1d0611fa6fa6915495eb0ae228fe0b

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

      b9c6c9838b6c8f0ee4142de9a4a15d79

      SHA1

      0b8facf9ac1e2c02f2cc719019e8f19225d25447

      SHA256

      3f9c4d9047bbdb5f2c575c11c9b7d43e94a8053ec7a03318ce82fcac84d74b14

      SHA512

      9aed75440268b61717356c9fec17022d5a08badc73036100b17437c2d959cc4fbd76cd13b1316c79a09c46a877939da40f1d0611fa6fa6915495eb0ae228fe0b

      Download Submit
    • memory/516-6-0x0000000000000000-mapping.dmp
      Download
    • memory/1452-3-0x0000000000000000-mapping.dmp
      Download