Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 11:23

General

  • Target

    29af2b05a040d86768bf3b7989072e86531456cc5c20f3f4312122b9c3c3ba6c.exe

  • Size

    1.4MB

  • MD5

    34a77e4ddf8f639ceea79a2b58937ce7

  • SHA1

    94a634690e2fc1739a96dccc6881e84f482b87d8

  • SHA256

    29af2b05a040d86768bf3b7989072e86531456cc5c20f3f4312122b9c3c3ba6c

  • SHA512

    78dcfe80d30c8e3b4d6519c2d8e4f2c200a8b4c772c3a4d995ed4119663433e34bc55bd76afe12dcb30f356b7da5674352cb59273512b32c5e6c7feb92957f29

  • SSDEEP

    24576:WYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnMyzqSuRvHBk35jY+:WYREXSVMDi32JvBcC+

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 1 IoCs
  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets file execution options in registry 2 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29af2b05a040d86768bf3b7989072e86531456cc5c20f3f4312122b9c3c3ba6c.exe
    "C:\Users\Admin\AppData\Local\Temp\29af2b05a040d86768bf3b7989072e86531456cc5c20f3f4312122b9c3c3ba6c.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Users\Admin\AppData\Local\Temp\look2.exe
      C:\Users\Admin\AppData\Local\Temp\\look2.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:632
    • C:\Users\Admin\AppData\Local\Temp\HD_29af2b05a040d86768bf3b7989072e86531456cc5c20f3f4312122b9c3c3ba6c.exe
      C:\Users\Admin\AppData\Local\Temp\HD_29af2b05a040d86768bf3b7989072e86531456cc5c20f3f4312122b9c3c3ba6c.exe
      2⤵
      • Sets file execution options in registry
      • Executes dropped EXE
      • Modifies Control Panel
      • Suspicious use of AdjustPrivilegeToken
      PID:4208
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:3520
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240599921.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_29af2b05a040d86768bf3b7989072e86531456cc5c20f3f4312122b9c3c3ba6c.exe

      Filesize

      290KB

      MD5

      114f288351b141d648032638f6265998

      SHA1

      3611654f8bd21e6a9636c8bdb1935ab2f15e9953

      SHA256

      919642460e814fc07b2783b66c9415c8a927ad54473624b0a761ca1394c330fc

      SHA512

      4fc3d761906c17138da763ecb7f432b2a7e76bfe2998b885f779030c4ce3b5a59d7fa43d44afd08ac7d7cd21462c9a1eaf849c469186cbba52af9e7eed7f36bc

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      1.1MB

      MD5

      ad92c0db80ec5bb70f8471628d7dbf2c

      SHA1

      7da664265fd79ac7aca2b7ba0c1004c0d8d9e35c

      SHA256

      8ff3b94b8d3e1d5d93a0e1a90e32fc2ede5438a7bb42a5d797daf539eecb6afa

      SHA512

      253b8c073445af83e45a480d413e93bc28762539e783e3986336f76a1f572ae85aeb4f32dda0f3e8f2161dbc4f532ac5cf785d05c90341a7cafd9859ec11946b

    • C:\Users\Admin\AppData\Local\Temp\look2.exe

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • C:\Windows\SysWOW64\240599921.bat

      Filesize

      51KB

      MD5

      0f41ee86c6c02d7bd9eef55028a361bf

      SHA1

      564f296d9d1e6f5365fd6ee4e7c2f7bad3196ddf

      SHA256

      24fe85c2c8d330d43d24d1abd562c939f368ee8949318f8f4fb286abe35dcd89

      SHA512

      7d99004e129fcb6cc2ac6a57a4e4add8188ce97d85bed93dea7b5d672dfa9b0d28100f74d4aeaf5ab0b0309c6f46e575aa13ec7ac3a978c85c9fbf689c1fc8d7

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/4208-18-0x0000000000400000-0x00000000004F4000-memory.dmp

      Filesize

      976KB

    • memory/4208-19-0x000000006F170000-0x000000006F180000-memory.dmp

      Filesize

      64KB

    • memory/4208-21-0x00000000022B0000-0x00000000022BA000-memory.dmp

      Filesize

      40KB

    • memory/4208-22-0x0000000077182000-0x0000000077183000-memory.dmp

      Filesize

      4KB

    • memory/4208-23-0x0000000077183000-0x0000000077184000-memory.dmp

      Filesize

      4KB

    • memory/4208-40-0x0000000000400000-0x00000000004F4000-memory.dmp

      Filesize

      976KB