Analysis

  • max time kernel
    150s
  • max time network
    38s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 04:20

General

  • Target

    7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c.exe

  • Size

    212KB

  • MD5

    db55fb022d74a642daa9169663d736ae

  • SHA1

    31d51d14c6c0707728ff948704522ef81cbd62e2

  • SHA256

    7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c

  • SHA512

    1d0d23758010b21ae34f2357d58761c2a8e6f99a3245ac20eaeec84b8be0af7686f8ac258f9a2ecfe09e1d87dabb8429e8cda41faf90988f3c8927f7ef060cb2

  • SSDEEP

    3072:quhMi/KTBwAbez+mzPG81Z8cfkvv2aSWQUnKaOAZ3VqDcQUnnnnjnnnnnnT63:DSiSTB10+mDnfSDSzUncg4

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

svchot

C2

salouh-20.no-ip.org:1177

Mutex

6e1ce27bcc6ff5920e6f5b65cc3a57bd

Attributes
  • reg_key

    6e1ce27bcc6ff5920e6f5b65cc3a57bd

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 3 IoCs
  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c.exe
    "C:\Users\Admin\AppData\Local\Temp\7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c.exe
      C:\Users\Admin\AppData\Local\Temp\7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Users\Admin\AppData\Local\Temp\services.exe
        "C:\Users\Admin\AppData\Local\Temp\services.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Users\Admin\AppData\Local\Temp\services.exe
          C:\Users\Admin\AppData\Local\Temp\services.exe
          4⤵
          • Executes dropped EXE
          • Drops startup file
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:768
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\services.exe" "services.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:1640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    212KB

    MD5

    db55fb022d74a642daa9169663d736ae

    SHA1

    31d51d14c6c0707728ff948704522ef81cbd62e2

    SHA256

    7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c

    SHA512

    1d0d23758010b21ae34f2357d58761c2a8e6f99a3245ac20eaeec84b8be0af7686f8ac258f9a2ecfe09e1d87dabb8429e8cda41faf90988f3c8927f7ef060cb2

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

    Filesize

    212KB

    MD5

    db55fb022d74a642daa9169663d736ae

    SHA1

    31d51d14c6c0707728ff948704522ef81cbd62e2

    SHA256

    7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c

    SHA512

    1d0d23758010b21ae34f2357d58761c2a8e6f99a3245ac20eaeec84b8be0af7686f8ac258f9a2ecfe09e1d87dabb8429e8cda41faf90988f3c8927f7ef060cb2

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

    Filesize

    212KB

    MD5

    db55fb022d74a642daa9169663d736ae

    SHA1

    31d51d14c6c0707728ff948704522ef81cbd62e2

    SHA256

    7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c

    SHA512

    1d0d23758010b21ae34f2357d58761c2a8e6f99a3245ac20eaeec84b8be0af7686f8ac258f9a2ecfe09e1d87dabb8429e8cda41faf90988f3c8927f7ef060cb2

  • \Users\Admin\AppData\Local\Temp\services.exe

    Filesize

    212KB

    MD5

    db55fb022d74a642daa9169663d736ae

    SHA1

    31d51d14c6c0707728ff948704522ef81cbd62e2

    SHA256

    7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c

    SHA512

    1d0d23758010b21ae34f2357d58761c2a8e6f99a3245ac20eaeec84b8be0af7686f8ac258f9a2ecfe09e1d87dabb8429e8cda41faf90988f3c8927f7ef060cb2

  • \Users\Admin\AppData\Local\Temp\services.exe

    Filesize

    212KB

    MD5

    db55fb022d74a642daa9169663d736ae

    SHA1

    31d51d14c6c0707728ff948704522ef81cbd62e2

    SHA256

    7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c

    SHA512

    1d0d23758010b21ae34f2357d58761c2a8e6f99a3245ac20eaeec84b8be0af7686f8ac258f9a2ecfe09e1d87dabb8429e8cda41faf90988f3c8927f7ef060cb2

  • \Users\Admin\AppData\Local\Temp\services.exe

    Filesize

    212KB

    MD5

    db55fb022d74a642daa9169663d736ae

    SHA1

    31d51d14c6c0707728ff948704522ef81cbd62e2

    SHA256

    7030965b5c24c8240e7e1b3a03e4e7ef7f67995f2247623e6e3a41d0d1e3488c

    SHA512

    1d0d23758010b21ae34f2357d58761c2a8e6f99a3245ac20eaeec84b8be0af7686f8ac258f9a2ecfe09e1d87dabb8429e8cda41faf90988f3c8927f7ef060cb2

  • memory/376-79-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/376-72-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/376-67-0x0000000000000000-mapping.dmp

  • memory/376-80-0x0000000000676000-0x0000000000687000-memory.dmp

    Filesize

    68KB

  • memory/768-87-0x00000000742D0000-0x000000007487B000-memory.dmp

    Filesize

    5.7MB

  • memory/768-85-0x00000000742D0000-0x000000007487B000-memory.dmp

    Filesize

    5.7MB

  • memory/768-75-0x0000000000408B0E-mapping.dmp

  • memory/1456-63-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1456-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

    Filesize

    8KB

  • memory/1456-64-0x0000000000146000-0x0000000000157000-memory.dmp

    Filesize

    68KB

  • memory/1456-55-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1640-84-0x0000000000000000-mapping.dmp

  • memory/1664-57-0x0000000000408B0E-mapping.dmp

  • memory/1664-71-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-59-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1664-61-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1664-56-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB