Analysis

  • max time kernel
    152s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2022 22:03

General

  • Target

    ee72a51968c88152c144786716cae7acca6b9fac0b20fbaf8c680ce432b6efea.exe

  • Size

    75KB

  • MD5

    51e44f83dadd7c650626bc3fc0b023a0

  • SHA1

    980f7e510752177589f73820ebe8a44dceff9210

  • SHA256

    ee72a51968c88152c144786716cae7acca6b9fac0b20fbaf8c680ce432b6efea

  • SHA512

    d908f4a841b11b4b2366bf0c7293c6a6439cda8e531f37e5243ded0070f7000eb12ccaab6974d863992acddb22c50b336b8892dc2199c4940e3db4f6c43838f0

  • SSDEEP

    1536:PNQQMr5TScbEjtsAJ2kSCCRbIL5A8skarPToftGD4W:P7o2cbkyAJ2kObINvabx4W

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

savioanon.no-ip.biz:1971

Mutex

693c40e8f5f059f9726e9dc4e4bdd32f

Attributes
  • reg_key

    693c40e8f5f059f9726e9dc4e4bdd32f

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 4 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee72a51968c88152c144786716cae7acca6b9fac0b20fbaf8c680ce432b6efea.exe
    "C:\Users\Admin\AppData\Local\Temp\ee72a51968c88152c144786716cae7acca6b9fac0b20fbaf8c680ce432b6efea.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\Temp\svhost.exe
      C:\Windows\Temp\svhost.exe
      2⤵
      • Executes dropped EXE
      PID:1108
    • C:\Windows\Temp\svhost.exe
      C:\Windows\Temp\svhost.exe
      2⤵
      • Executes dropped EXE
      PID:952
    • C:\Users\Admin\AppData\Local\Temp\%temp%.exe
      "C:\Users\Admin\AppData\Local\Temp\%temp%.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Users\Admin\AppData\Local\Temp\anon.exe
        "C:\Users\Admin\AppData\Local\Temp\anon.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:596
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\anon.exe" "anon.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:520

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\%temp%.exe
    Filesize

    29KB

    MD5

    68111dfc1e5ceb7ace500209f229aac8

    SHA1

    2fed1646bcf410580c6b666561464af495f0e4bb

    SHA256

    cf5dc6d712d2e57a72829ad3a44ee97dd81fc78874e74c925947009c391e008e

    SHA512

    51c4ceb33ee7c51c2302204cdcaaf04a9120c56a96a45f9b4916fd5685bc2386c8d0c706d47497ecdfb7fce0ab6ec1e0fe605ea6f1badeb16485ed54ee5ed71e

  • C:\Users\Admin\AppData\Local\Temp\%temp%.exe
    Filesize

    29KB

    MD5

    68111dfc1e5ceb7ace500209f229aac8

    SHA1

    2fed1646bcf410580c6b666561464af495f0e4bb

    SHA256

    cf5dc6d712d2e57a72829ad3a44ee97dd81fc78874e74c925947009c391e008e

    SHA512

    51c4ceb33ee7c51c2302204cdcaaf04a9120c56a96a45f9b4916fd5685bc2386c8d0c706d47497ecdfb7fce0ab6ec1e0fe605ea6f1badeb16485ed54ee5ed71e

  • C:\Users\Admin\AppData\Local\Temp\anon.exe
    Filesize

    29KB

    MD5

    68111dfc1e5ceb7ace500209f229aac8

    SHA1

    2fed1646bcf410580c6b666561464af495f0e4bb

    SHA256

    cf5dc6d712d2e57a72829ad3a44ee97dd81fc78874e74c925947009c391e008e

    SHA512

    51c4ceb33ee7c51c2302204cdcaaf04a9120c56a96a45f9b4916fd5685bc2386c8d0c706d47497ecdfb7fce0ab6ec1e0fe605ea6f1badeb16485ed54ee5ed71e

  • C:\Users\Admin\AppData\Local\Temp\anon.exe
    Filesize

    29KB

    MD5

    68111dfc1e5ceb7ace500209f229aac8

    SHA1

    2fed1646bcf410580c6b666561464af495f0e4bb

    SHA256

    cf5dc6d712d2e57a72829ad3a44ee97dd81fc78874e74c925947009c391e008e

    SHA512

    51c4ceb33ee7c51c2302204cdcaaf04a9120c56a96a45f9b4916fd5685bc2386c8d0c706d47497ecdfb7fce0ab6ec1e0fe605ea6f1badeb16485ed54ee5ed71e

  • C:\Windows\Temp\svhost.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • C:\Windows\Temp\svhost.exe
    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • \Users\Admin\AppData\Local\Temp\anon.exe
    Filesize

    29KB

    MD5

    68111dfc1e5ceb7ace500209f229aac8

    SHA1

    2fed1646bcf410580c6b666561464af495f0e4bb

    SHA256

    cf5dc6d712d2e57a72829ad3a44ee97dd81fc78874e74c925947009c391e008e

    SHA512

    51c4ceb33ee7c51c2302204cdcaaf04a9120c56a96a45f9b4916fd5685bc2386c8d0c706d47497ecdfb7fce0ab6ec1e0fe605ea6f1badeb16485ed54ee5ed71e

  • memory/520-70-0x0000000000000000-mapping.dmp
  • memory/596-65-0x0000000000000000-mapping.dmp
  • memory/596-73-0x0000000073F70000-0x000000007451B000-memory.dmp
    Filesize

    5.7MB

  • memory/596-72-0x0000000073F70000-0x000000007451B000-memory.dmp
    Filesize

    5.7MB

  • memory/1324-63-0x0000000073F70000-0x000000007451B000-memory.dmp
    Filesize

    5.7MB

  • memory/1324-57-0x0000000000000000-mapping.dmp
  • memory/1324-62-0x0000000075071000-0x0000000075073000-memory.dmp
    Filesize

    8KB

  • memory/1324-69-0x0000000073F70000-0x000000007451B000-memory.dmp
    Filesize

    5.7MB

  • memory/1640-54-0x000007FEF37D0000-0x000007FEF41F3000-memory.dmp
    Filesize

    10.1MB

  • memory/1640-55-0x000007FEF24F0000-0x000007FEF3586000-memory.dmp
    Filesize

    16.6MB

  • memory/1640-56-0x000007FEFB821000-0x000007FEFB823000-memory.dmp
    Filesize

    8KB