Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2022, 07:51

General

  • Target

    a7f8089d3a33329e1bd37a4b802e4cdb.exe

  • Size

    2.0MB

  • MD5

    a7f8089d3a33329e1bd37a4b802e4cdb

  • SHA1

    fd70a39e6a9f355546fb2d13ecb943ffc02cb2a0

  • SHA256

    da1def22e92bbfa93dbb221c28d35e82ab2a82472893a0e7a1e56921b1a05c52

  • SHA512

    698671142cbe9dac2d9db01e8810874a194a75a13c725785a8a5d096a33610fc1b11af38fc939c2a4c1eee4275dc2c7da00249b26e0ecede637ada1cde7208f4

  • SSDEEP

    49152:fstyTbefPOI3kntRDDDDDDn2IiUwtm045FfZ:UuuPQGm04Px

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • UPX packed file 5 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • 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). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 32 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7f8089d3a33329e1bd37a4b802e4cdb.exe
    "C:\Users\Admin\AppData\Local\Temp\a7f8089d3a33329e1bd37a4b802e4cdb.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Roaming\¹ýace.exe
      "C:\Users\Admin\AppData\Roaming\¹ýace.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1976
    • C:\Windows\SysWOW64\sc.exe
      sc failure Remote reset= 86400 actions= restart/1000
      2⤵
      • Launches sc.exe
      PID:1448
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\System32\\Delete00.bat
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1104
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:564
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 C:\ProgramData\Microsoft\Windows\GameExplorer\Remote.hlp,init default |564
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1252
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c Wmic Path Win32_VideoController Get Description
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        Wmic Path Win32_VideoController Get Description
        3⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of AdjustPrivilegeToken
        PID:1640
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c Wmic Path Win32_VideoController Get Description
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        Wmic Path Win32_VideoController Get Description
        3⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of AdjustPrivilegeToken
        PID:1740

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\¹ýace.exe

          Filesize

          964KB

          MD5

          a5b5627c85fc69cd15931bf73c2ac4fb

          SHA1

          1012332cf6d55f70bb35306eb04966eca84ef083

          SHA256

          187f9f7c17246957ae3ad2cd5f57052affe969f80afeb69b44cd7b649f010448

          SHA512

          4cc79f01d4c8757c859e20c261906ef0912bcefdb0476b1559f1612377dd63622ad93e4cf1114c8a86026667c85048f756f534f5bb8f22dc643231ca31b1161a

        • C:\Users\Admin\AppData\Roaming\¹ýace.exe

          Filesize

          964KB

          MD5

          a5b5627c85fc69cd15931bf73c2ac4fb

          SHA1

          1012332cf6d55f70bb35306eb04966eca84ef083

          SHA256

          187f9f7c17246957ae3ad2cd5f57052affe969f80afeb69b44cd7b649f010448

          SHA512

          4cc79f01d4c8757c859e20c261906ef0912bcefdb0476b1559f1612377dd63622ad93e4cf1114c8a86026667c85048f756f534f5bb8f22dc643231ca31b1161a

        • C:\Windows\SysWOW64\Delete00.bat

          Filesize

          133B

          MD5

          1cb68ac03865452b1e1b9c8123802ee0

          SHA1

          997d40b5c7538a94a6aef1cc6e1ebbb78b55b46a

          SHA256

          eaf1265a108027924a6eb70308f45ef2c5d41ce7f105ae67e711a77f104589af

          SHA512

          574b168936962e1e968ab49244e50fc2582fb7af88f922c6ba3bb9dcf58f6a120cc2c6d5438fe36e815be645ab983add1207c749c599abdaa19beaaf6c5dfbbb

        • \??\c:\programdata\microsoft\windows\gameexplorer\remote.hlp

          Filesize

          928KB

          MD5

          7c6cf0b034ef0469848964d884029c44

          SHA1

          d432a71c34bcdf02a8a2f571f6c9f78126563bd6

          SHA256

          445ab5a74dbae3ee6a7103a35e25008c9443ce424c87ef9149835d53b056f172

          SHA512

          1dfb5e21d75879ca4e56812258a03438e759180643d4522708f54261ec34976b3bc6f233d6482859360ec9fdad1fcb7e0edf0e824a1034666f6541ca053e3564

        • \ProgramData\Microsoft\Windows\GameExplorer\Remote.hlp

          Filesize

          928KB

          MD5

          7c6cf0b034ef0469848964d884029c44

          SHA1

          d432a71c34bcdf02a8a2f571f6c9f78126563bd6

          SHA256

          445ab5a74dbae3ee6a7103a35e25008c9443ce424c87ef9149835d53b056f172

          SHA512

          1dfb5e21d75879ca4e56812258a03438e759180643d4522708f54261ec34976b3bc6f233d6482859360ec9fdad1fcb7e0edf0e824a1034666f6541ca053e3564

        • \ProgramData\Microsoft\Windows\GameExplorer\Remote.hlp

          Filesize

          928KB

          MD5

          7c6cf0b034ef0469848964d884029c44

          SHA1

          d432a71c34bcdf02a8a2f571f6c9f78126563bd6

          SHA256

          445ab5a74dbae3ee6a7103a35e25008c9443ce424c87ef9149835d53b056f172

          SHA512

          1dfb5e21d75879ca4e56812258a03438e759180643d4522708f54261ec34976b3bc6f233d6482859360ec9fdad1fcb7e0edf0e824a1034666f6541ca053e3564

        • \Users\Admin\AppData\Roaming\¹ýace.exe

          Filesize

          964KB

          MD5

          a5b5627c85fc69cd15931bf73c2ac4fb

          SHA1

          1012332cf6d55f70bb35306eb04966eca84ef083

          SHA256

          187f9f7c17246957ae3ad2cd5f57052affe969f80afeb69b44cd7b649f010448

          SHA512

          4cc79f01d4c8757c859e20c261906ef0912bcefdb0476b1559f1612377dd63622ad93e4cf1114c8a86026667c85048f756f534f5bb8f22dc643231ca31b1161a

        • \Users\Admin\AppData\Roaming\¹ýace.exe

          Filesize

          964KB

          MD5

          a5b5627c85fc69cd15931bf73c2ac4fb

          SHA1

          1012332cf6d55f70bb35306eb04966eca84ef083

          SHA256

          187f9f7c17246957ae3ad2cd5f57052affe969f80afeb69b44cd7b649f010448

          SHA512

          4cc79f01d4c8757c859e20c261906ef0912bcefdb0476b1559f1612377dd63622ad93e4cf1114c8a86026667c85048f756f534f5bb8f22dc643231ca31b1161a

        • memory/564-68-0x0000000000150000-0x000000000015B000-memory.dmp

          Filesize

          44KB

        • memory/564-79-0x0000000000150000-0x000000000015B000-memory.dmp

          Filesize

          44KB

        • memory/564-69-0x0000000000150000-0x000000000015B000-memory.dmp

          Filesize

          44KB

        • memory/1252-73-0x00000000001C0000-0x00000000001CB000-memory.dmp

          Filesize

          44KB

        • memory/1252-74-0x00000000001C0000-0x00000000001CB000-memory.dmp

          Filesize

          44KB

        • memory/2024-54-0x0000000075441000-0x0000000075443000-memory.dmp

          Filesize

          8KB