Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 11:41

General

  • Target

    fe9fc2ade7b749dd526e675e318e95963a3ecf856689458edf0ed37f29d78d4a.exe

  • Size

    205KB

  • MD5

    6b817df19fb115997b8f6601a8aae600

  • SHA1

    bd099f7e50b762c62bf4e8196b11fa30f209cc85

  • SHA256

    fe9fc2ade7b749dd526e675e318e95963a3ecf856689458edf0ed37f29d78d4a

  • SHA512

    f7d8298aec68e43e6b0c309c7e633f3465020b697adfcd25c2fa619f9483bf2c4cb309aecba10d480d03cc50ff6e706f5423a911c36857bb127c14c781afc47a

  • SSDEEP

    3072:N0g1eTQqYQW7idRF1MzdTxNbtF3/CGaqW8GurHKnTMPbcpp:N0gbHwF1udlZT6G1Wbuzy6bq

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

emew.no-ip.info:9696

Mutex

90cd23ba67e7e9682670983e066df085

Attributes
  • reg_key

    90cd23ba67e7e9682670983e066df085

  • 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 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 7 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe9fc2ade7b749dd526e675e318e95963a3ecf856689458edf0ed37f29d78d4a.exe
    "C:\Users\Admin\AppData\Local\Temp\fe9fc2ade7b749dd526e675e318e95963a3ecf856689458edf0ed37f29d78d4a.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\jsBcaMh2iiLEo8GtPrFK.exe
      "C:\Windows\jsBcaMh2iiLEo8GtPrFK.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Windows\IDmanger.exe
        "C:\Windows\IDmanger.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4324
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Windows\IDmanger.exe" "IDmanger.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:1676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\IDmanger.exe

    Filesize

    23KB

    MD5

    3dfd56fb7f8d40f2fc84616bddd40c57

    SHA1

    84cb83ed25f7a8f1293be9881ba364a0bb7a8b96

    SHA256

    664760472f473628e2d3e87b7c2a1560072e3afe1dc9c3703df5656d3c3c2a98

    SHA512

    e313a31de0dca0b75d6db870481225672e0e27694de6fb9f0ec3f6a0b62f23e9e94efbc1ce24480b9ec5e9b5247e8a1c40a0b671fbe36d75705dc2c789563e9b

  • C:\Windows\IDmanger.exe

    Filesize

    23KB

    MD5

    3dfd56fb7f8d40f2fc84616bddd40c57

    SHA1

    84cb83ed25f7a8f1293be9881ba364a0bb7a8b96

    SHA256

    664760472f473628e2d3e87b7c2a1560072e3afe1dc9c3703df5656d3c3c2a98

    SHA512

    e313a31de0dca0b75d6db870481225672e0e27694de6fb9f0ec3f6a0b62f23e9e94efbc1ce24480b9ec5e9b5247e8a1c40a0b671fbe36d75705dc2c789563e9b

  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch

    Filesize

    694B

    MD5

    351441c42e43f2d90ae21577d219fde5

    SHA1

    fba24814f169e1167b4288d4a11d31e587c0996f

    SHA256

    bd5574453e4af2602fd7537e5bdfa5e7456031aea2b731f989eaaef8c3900fa6

    SHA512

    9d6f8d348d7e33f6b864e59162cb8c95a45af0dd2ce77da81f6694258cb474a469c8a7da042cb791ef8b56abf233e4aa6f83c0871bcb504978ea494a9b7ccf03

  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch

    Filesize

    694B

    MD5

    351441c42e43f2d90ae21577d219fde5

    SHA1

    fba24814f169e1167b4288d4a11d31e587c0996f

    SHA256

    bd5574453e4af2602fd7537e5bdfa5e7456031aea2b731f989eaaef8c3900fa6

    SHA512

    9d6f8d348d7e33f6b864e59162cb8c95a45af0dd2ce77da81f6694258cb474a469c8a7da042cb791ef8b56abf233e4aa6f83c0871bcb504978ea494a9b7ccf03

  • C:\Windows\jsBcaMh2iiLEo8GtPrFK.exe

    Filesize

    23KB

    MD5

    3dfd56fb7f8d40f2fc84616bddd40c57

    SHA1

    84cb83ed25f7a8f1293be9881ba364a0bb7a8b96

    SHA256

    664760472f473628e2d3e87b7c2a1560072e3afe1dc9c3703df5656d3c3c2a98

    SHA512

    e313a31de0dca0b75d6db870481225672e0e27694de6fb9f0ec3f6a0b62f23e9e94efbc1ce24480b9ec5e9b5247e8a1c40a0b671fbe36d75705dc2c789563e9b

  • C:\Windows\jsBcaMh2iiLEo8GtPrFK.exe

    Filesize

    23KB

    MD5

    3dfd56fb7f8d40f2fc84616bddd40c57

    SHA1

    84cb83ed25f7a8f1293be9881ba364a0bb7a8b96

    SHA256

    664760472f473628e2d3e87b7c2a1560072e3afe1dc9c3703df5656d3c3c2a98

    SHA512

    e313a31de0dca0b75d6db870481225672e0e27694de6fb9f0ec3f6a0b62f23e9e94efbc1ce24480b9ec5e9b5247e8a1c40a0b671fbe36d75705dc2c789563e9b

  • memory/1660-136-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/1660-132-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/1676-145-0x0000000000000000-mapping.dmp

  • memory/4324-138-0x0000000000000000-mapping.dmp

  • memory/4324-144-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/4324-146-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-137-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB

  • memory/4972-133-0x0000000000000000-mapping.dmp

  • memory/4972-143-0x00000000747D0000-0x0000000074D81000-memory.dmp

    Filesize

    5.7MB