Analysis

  • max time kernel
    170s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 10:27

General

  • Target

    69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b.exe

  • Size

    636KB

  • MD5

    2880dc879adb28c27134757124c80c70

  • SHA1

    5ee6c7f6081f49699c5343d70ba26dacf2e95fa4

  • SHA256

    69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b

  • SHA512

    687d806178bc3b02c7e516408b4383aa32e5d751d734bbaad285e3f148b1fcdb09a2f52a3da63acd3ceef9f582e41603e62f59ac1128d0f1763d8e40e8b02382

  • SSDEEP

    12288:UvwZHcnHDco5+dYJJo3DqDUgvJtkw0zUE5WhMOqOTAw2mIxKnL48+GHGBv:2wZHcnHDxdLlxml

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

muamal33.no-ip.biz:5552

Mutex

d1b7976cc03cc428bbc29dcfb39b895f

Attributes
  • reg_key

    d1b7976cc03cc428bbc29dcfb39b895f

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b.exe
    "C:\Users\Admin\AppData\Local\Temp\69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b.exe
      C:\Users\Admin\AppData\Local\Temp\69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Users\Admin\AppData\Local\Temp\google.exe
        "C:\Users\Admin\AppData\Local\Temp\google.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4824
        • C:\Users\Admin\AppData\Local\Temp\google.exe
          C:\Users\Admin\AppData\Local\Temp\google.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4888
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\google.exe" "google.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:316

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b.exe.log

    Filesize

    1KB

    MD5

    a5813b2fbedad197cb1ea1095ea20345

    SHA1

    6df7a07e630007745eab18403bbb5aefb108bbaa

    SHA256

    292b643e127d04b0c248cd8a076b870ee330e7bb6f46c058ddefc65e2c324c22

    SHA512

    4cd0ee826f2b2e8eb7b66f25f5089bf7e125b56e4c71425578784f5f306b574ad980748fa99d54b6158dddf3a8d0ba4c6049af563843bd76e2231e259161e4ad

  • C:\Users\Admin\AppData\Local\Temp\google.exe

    Filesize

    636KB

    MD5

    2880dc879adb28c27134757124c80c70

    SHA1

    5ee6c7f6081f49699c5343d70ba26dacf2e95fa4

    SHA256

    69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b

    SHA512

    687d806178bc3b02c7e516408b4383aa32e5d751d734bbaad285e3f148b1fcdb09a2f52a3da63acd3ceef9f582e41603e62f59ac1128d0f1763d8e40e8b02382

  • C:\Users\Admin\AppData\Local\Temp\google.exe

    Filesize

    636KB

    MD5

    2880dc879adb28c27134757124c80c70

    SHA1

    5ee6c7f6081f49699c5343d70ba26dacf2e95fa4

    SHA256

    69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b

    SHA512

    687d806178bc3b02c7e516408b4383aa32e5d751d734bbaad285e3f148b1fcdb09a2f52a3da63acd3ceef9f582e41603e62f59ac1128d0f1763d8e40e8b02382

  • C:\Users\Admin\AppData\Local\Temp\google.exe

    Filesize

    636KB

    MD5

    2880dc879adb28c27134757124c80c70

    SHA1

    5ee6c7f6081f49699c5343d70ba26dacf2e95fa4

    SHA256

    69f5dadcba43c8ce8469aeb43666cc1c46981b59986e4b9a0c30cc03c08eec1b

    SHA512

    687d806178bc3b02c7e516408b4383aa32e5d751d734bbaad285e3f148b1fcdb09a2f52a3da63acd3ceef9f582e41603e62f59ac1128d0f1763d8e40e8b02382

  • memory/316-147-0x0000000000000000-mapping.dmp

  • memory/1056-135-0x0000000004E70000-0x0000000004E7A000-memory.dmp

    Filesize

    40KB

  • memory/1056-137-0x0000000007460000-0x00000000074FC000-memory.dmp

    Filesize

    624KB

  • memory/1056-136-0x00000000051B0000-0x000000000527E000-memory.dmp

    Filesize

    824KB

  • memory/1056-132-0x0000000000410000-0x00000000004B6000-memory.dmp

    Filesize

    664KB

  • memory/1056-134-0x0000000004EC0000-0x0000000004F52000-memory.dmp

    Filesize

    584KB

  • memory/1056-133-0x00000000055A0000-0x0000000005B44000-memory.dmp

    Filesize

    5.6MB

  • memory/4824-140-0x0000000000000000-mapping.dmp

  • memory/4888-144-0x0000000000000000-mapping.dmp

  • memory/5048-138-0x0000000000000000-mapping.dmp

  • memory/5048-139-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB