Analysis

  • max time kernel
    118s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 23:49

General

  • Target
    14b3041b5b89d333c392273c3a155c8d5d553897f4651f977b03e0db97934b13N.exe
  • Size 1.2MB
  • Sample241109-3vhflstpcw
  • SHA256 14b3041b5b89d333c392273c3a155c8d5d553897f4651f977b03e0db97934b13
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Network Service Discovery 1 TTPs 2 IoCs

    Attempt to gather information on host's network.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 27 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • System Network Connections Discovery 1 TTPs 2 IoCs

    Attempt to get a listing of network connections.

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies registry key 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14b3041b5b89d333c392273c3a155c8d5d553897f4651f977b03e0db97934b13N.exe
    "C:\Users\Admin\AppData\Local\Temp\14b3041b5b89d333c392273c3a155c8d5d553897f4651f977b03e0db97934b13N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\eizddajifs.exe
      "C:\Users\Admin\AppData\Local\Temp\eizddajifs.exe" "C:\Users\Admin\AppData\Local\Temp\kjugxhqbaq.exe" "C:\Users\Admin\AppData\Local\Temp\14b3041b5b89d333c392273c3a155c8d5d553897f4651f977b03e0db97934b13N.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Users\Admin\AppData\Local\Temp\14b3041b5b89d333c392273c3a155c8d5d553897f4651f977b03e0db97934b13N.exe
        "C:\Users\Admin\AppData\Local\Temp\14b3041b5b89d333c392273c3a155c8d5d553897f4651f977b03e0db97934b13N.exe"
        3⤵
        • Executes dropped EXE
        PID:4860
    • C:\Users\Admin\AppData\Local\Temp\zmwvwgzxrg.exe
      C:\Users\Admin\AppData\Local\Temp\zmwvwgzxrg.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\ProgramData\Identities\bfcinfo.exe
        "C:\ProgramData\Identities\bfcinfo.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1980
      • C:\Windows\SysWOW64\cmd.exe
        /c systeminfo
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4784
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:4704
      • C:\Windows\SysWOW64\cmd.exe
        /c "tasklist /v"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3308
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /v
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2356
      • C:\Windows\SysWOW64\cmd.exe
        /c "netstat -ano"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Connections Discovery
        • Suspicious use of WriteProcessMemory
        PID:2004
        • C:\Windows\SysWOW64\NETSTAT.EXE
          netstat -ano
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Connections Discovery
          • Gathers network information
          • Suspicious use of AdjustPrivilegeToken
          PID:4924
      • C:\Windows\SysWOW64\cmd.exe
        /c "ipconfig /all"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:732
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:4344
      • C:\Windows\SysWOW64\cmd.exe
        /c "route print"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4620
        • C:\Windows\SysWOW64\ROUTE.EXE
          route print
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4612
      • C:\Windows\SysWOW64\cmd.exe
        /c "arp -a"
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:748
        • C:\Windows\SysWOW64\ARP.EXE
          arp -a
          4⤵
          • Network Service Discovery
          • System Location Discovery: System Language Discovery
          PID:2936
      • C:\Windows\SysWOW64\cmd.exe
        /c "reg query HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1848
        • C:\Windows\SysWOW64\reg.exe
          reg query HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1328
      • C:\Windows\SysWOW64\cmd.exe
        /c "net share"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:752
        • C:\Windows\SysWOW64\net.exe
          net share
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1736
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 share
            5⤵
            • System Location Discovery: System Language Discovery
            PID:612
      • C:\Windows\SysWOW64\cmd.exe
        /c "ping server"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:2668
        • C:\Windows\SysWOW64\PING.EXE
          ping server
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:1932
      • C:\Windows\SysWOW64\cmd.exe
        /c "sc query hfile.sys"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4780
        • C:\Windows\SysWOW64\sc.exe
          sc query hfile.sys
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2028
      • C:\Windows\SysWOW64\wscript.exe
        C:\Windows\System32\wscript.exe C:\Users\Admin\AppData\Roaming\Microsoft\Word\winword.vbs C:\Users\Admin\AppData\Roaming\Microsoft\Word
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3128
      • C:\Windows\SysWOW64\wscript.exe
        C:\Windows\System32\wscript.exe C:\Users\Admin\AppData\Roaming\Microsoft\Word\winword.vbs C:\Users\Admin\AppData\Roaming\Microsoft\Word
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4716

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        bfcinfo.exe

        • Path C:\ProgramData\Identities\bfcinfo.exe
        • Size 173KB
        • SHA256 c04341676f8b868e630de0eea760215375e020dee53cfdb86b30cf4751946385
        • MD5 SHA1 SHA512 SSDEEP

        ramdisk.sdb

        • Path C:\ProgramData\MediaCache\ramdisk.sdb
        • Size 4KB
        • SHA256 a8a37839f299132d054c0fe430e569b1c9d4ef0cdd0e37e91973d4e6a0205dd7
        • MD5 SHA1 SHA512 SSDEEP

        ramdisk.sdb

        • Path C:\ProgramData\MediaCache\ramdisk.sdb
        • Size 2KB
        • SHA256 d7bafcb0814e24235efd582cb171a123621d06935f6c08c0f335a68d3c0d628d
        • MD5 SHA1 SHA512

        trnmg.sdb

        • Path C:\ProgramData\trnmg.sdb
        • Size 868B
        • SHA256 a4b8cad394bd98b4dde61a9116ffaf77c1835ee44a04b8676168c5edd9971ce8
        • MD5 SHA1 SHA512

        eizddajifs.exe

        • Path C:\Users\Admin\AppData\Local\Temp\eizddajifs.exe
        • Size 23KB
        • SHA256 4deea5f53cecd04364ac0d6ecdc97e5c3909fe85ab72df8a0be2c93acbe70d21
        • MD5 SHA1 SHA512 SSDEEP

        kjugxhqbaq.exe

        • Path C:\Users\Admin\AppData\Local\Temp\kjugxhqbaq.exe
        • Size 305KB
        • SHA256 befd85ba454f749429f6118dfe6ff3504c502e45ffdda9aaa4cab018ca43b32a
        • MD5 SHA1 SHA512 SSDEEP

        zmwvwgzxrg.exe

        • Path C:\Users\Admin\AppData\Local\Temp\zmwvwgzxrg.exe
        • Size 567KB
        • SHA256 e6743de7d8521cb5d92e7b10cf0b41aa2d38c2912d3f24b678eb5d9a0f52ffd9
        • MD5 SHA1 SHA512 SSDEEP

        ApproveStop.docx

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Word\ApproveStop.docx
        • Size 13KB
        • SHA256 f0f6b9d5755f4cc13678f481c15449641273b04cdaddd8ed6f56b91317f64782
        • MD5 SHA1 SHA512 SSDEEP

        ApproveStop.txt

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Word\ApproveStop.txt
        • Size 3KB
        • SHA256 f38fc3744e750d4747d0870c6e01155bcdfb6b842e5ebb87b61674dfbde5cece
        • MD5 SHA1 SHA512

        HidePublish.docx

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Word\HidePublish.docx
        • Size 15KB
        • SHA256 743ef9950936929bcd46b3746d0093630829107d8cb23c16cb3c73dac712a2cf
        • MD5 SHA1 SHA512 SSDEEP

        HidePublish.txt

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Word\HidePublish.txt
        • Size 5KB
        • SHA256 8c16c909ba3534279814d5695e24f747be4cd32f456996e05f3038967459a248
        • MD5 SHA1 SHA512 SSDEEP

        winword.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Word\winword.vbs
        • Size 1KB
        • SHA256 6484a02c2db6c9afb5659ede4047cad10b7102c2bbc4c94bf8482f88d8fd83a8
        • MD5 SHA1 SHA512

        memory/548-324-0x0000000000780000-0x00000000008DB000-memory.dmp

        memory/548-71-0x0000000000780000-0x00000000008DB000-memory.dmp

        memory/548-17-0x0000000000780000-0x00000000008DB000-memory.dmp

        memory/548-416-0x0000000000780000-0x00000000008DB000-memory.dmp

        memory/548-574-0x0000000000780000-0x00000000008DB000-memory.dmp

        memory/548-669-0x0000000000780000-0x00000000008DB000-memory.dmp

        memory/548-764-0x0000000000780000-0x00000000008DB000-memory.dmp

        memory/548-773-0x0000000000780000-0x00000000008DB000-memory.dmp

        memory/1980-73-0x00000000001A0000-0x00000000001D8000-memory.dmp

        memory/1980-28-0x00000000001A0000-0x00000000001D8000-memory.dmp

        memory/1980-722-0x00000000001A0000-0x00000000001D8000-memory.dmp

        memory/2324-46-0x0000000000240000-0x0000000000253000-memory.dmp

        memory/2324-9-0x0000000000240000-0x0000000000253000-memory.dmp