Analysis

  • max time kernel
    169s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2022 09:16

General

  • Target

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe

  • Size

    855KB

  • MD5

    6aa1e096f657f2d549e67579d7edb490

  • SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

  • SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

  • SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

  • SSDEEP

    3072:15oQcAV8NrucfhvH8GLx99NhCHBd0vqV7S1zWnyzYmLZds2qHhHTYYzy6aWeTaAF:1uW

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

mochakis.no-ip.biz:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 4 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe
    "C:\Users\Admin\AppData\Local\Temp\48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Users\Admin\AppData\Local\Temp\48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe
      C:\Users\Admin\AppData\Local\Temp\48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Users\Admin\AppData\Local\Temp\48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe
        C:\Users\Admin\AppData\Local\Temp\48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:852
        • C:\Users\Admin\AppData\Local\Temp\48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe
          C:\Users\Admin\AppData\Local\Temp\48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250.exe
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:780
          • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
            "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1916
            • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
              C:\Users\Admin\AppData\Local\Temp\Trojan.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:964
              • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
                C:\Users\Admin\AppData\Local\Temp\Trojan.exe
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1576
                • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
                  C:\Users\Admin\AppData\Local\Temp\Trojan.exe
                  8⤵
                  • Executes dropped EXE
                  • Drops startup file
                  • Adds Run key to start application
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:652
                  • C:\Windows\SysWOW64\netsh.exe
                    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
                    9⤵
                    • Modifies Windows Firewall
                    PID:2028

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\Trojan.exe
    Filesize

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

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

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

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

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

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

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

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

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

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

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

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

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

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

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

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

    855KB

    MD5

    6aa1e096f657f2d549e67579d7edb490

    SHA1

    fe36a9211ef9b8c35697c97addccc94a47223d7c

    SHA256

    48a8eafd9013ef1d61ce5b61601828f97c602531d9f7621af9bcbd4fffc72250

    SHA512

    746c7ecce12b54aad4a0de9265690a2e860e4a87fddd1a6200f926d857b09cc9ec36da8be2252b0b9802078cab50db1bf6fd6cc1228851a917cfe159ad986ebc

  • memory/652-104-0x0000000000408B0E-mapping.dmp
  • memory/652-121-0x0000000004575000-0x0000000004586000-memory.dmp
    Filesize

    68KB

  • memory/652-122-0x0000000004575000-0x0000000004586000-memory.dmp
    Filesize

    68KB

  • memory/780-71-0x0000000000408B0E-mapping.dmp
  • memory/780-70-0x0000000000400000-0x000000000040E000-memory.dmp
    Filesize

    56KB

  • memory/780-73-0x0000000000400000-0x000000000040E000-memory.dmp
    Filesize

    56KB

  • memory/780-75-0x0000000000400000-0x000000000040E000-memory.dmp
    Filesize

    56KB

  • memory/852-115-0x0000000004A25000-0x0000000004A36000-memory.dmp
    Filesize

    68KB

  • memory/852-79-0x0000000004A25000-0x0000000004A36000-memory.dmp
    Filesize

    68KB

  • memory/852-63-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/852-113-0x0000000004A25000-0x0000000004A36000-memory.dmp
    Filesize

    68KB

  • memory/852-68-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/852-66-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/852-64-0x000000000044818E-mapping.dmp
  • memory/912-116-0x0000000004AA5000-0x0000000004AB6000-memory.dmp
    Filesize

    68KB

  • memory/912-78-0x0000000004AA5000-0x0000000004AB6000-memory.dmp
    Filesize

    68KB

  • memory/912-56-0x0000000000410000-0x000000000041A000-memory.dmp
    Filesize

    40KB

  • memory/912-112-0x0000000004AA5000-0x0000000004AB6000-memory.dmp
    Filesize

    68KB

  • memory/912-55-0x0000000075661000-0x0000000075663000-memory.dmp
    Filesize

    8KB

  • memory/912-54-0x00000000011B0000-0x000000000128C000-memory.dmp
    Filesize

    880KB

  • memory/960-62-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/960-57-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/960-58-0x000000000040BA82-mapping.dmp
  • memory/960-60-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/964-87-0x000000000040BA82-mapping.dmp
  • memory/1576-95-0x000000000044818E-mapping.dmp
  • memory/1576-111-0x00000000050A5000-0x00000000050B6000-memory.dmp
    Filesize

    68KB

  • memory/1576-114-0x00000000050A5000-0x00000000050B6000-memory.dmp
    Filesize

    68KB

  • memory/1916-110-0x0000000004DB5000-0x0000000004DC6000-memory.dmp
    Filesize

    68KB

  • memory/1916-83-0x0000000000EA0000-0x0000000000F7C000-memory.dmp
    Filesize

    880KB

  • memory/1916-80-0x0000000000000000-mapping.dmp
  • memory/1916-117-0x0000000004DB5000-0x0000000004DC6000-memory.dmp
    Filesize

    68KB

  • memory/2028-118-0x0000000000000000-mapping.dmp