Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2023 19:53

General

  • Target

    0f026bef8497788d59923949f52b9644.exe

  • Size

    476KB

  • MD5

    0f026bef8497788d59923949f52b9644

  • SHA1

    efd6b5748d00612cbdc663a6084ebc0ff0bf6bdf

  • SHA256

    31d6810df2cc38c19f87e3ff65df5c60e3624473c7f120125ad0371a4983aec5

  • SHA512

    f4609e593d8a4b229affb3e28b23277d8c16c4c4f4bc969f8e668fc6a7100422f34408261d30b00cc9a5bebcf4c0585cfe26e7761863bdd43eebed52bfd8d5ea

  • SSDEEP

    12288:1k8HAXwdAnc2i+zinpRUF2oMPze+0gKG3UPPxf:1zgXwd7F+zinj2lM6+0gL

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 17 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 49 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:336
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:840
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1192
        • C:\Users\Admin\AppData\Local\Temp\0f026bef8497788d59923949f52b9644.exe
          "C:\Users\Admin\AppData\Local\Temp\0f026bef8497788d59923949f52b9644.exe"
          2⤵
          • Loads dropped DLL
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2116
          • C:\Users\Admin\ana7e3.exe
            C:\Users\Admin\ana7e3.exe
            3⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1824
            • C:\Users\Admin\deiine.exe
              "C:\Users\Admin\deiine.exe"
              4⤵
              • Modifies visiblity of hidden/system files in Explorer
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:2704
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c tasklist&&del ana7e3.exe
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2844
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist
                5⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:2904
          • C:\Users\Admin\axlog.exe
            C:\Users\Admin\axlog.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2604
            • C:\Users\Admin\axlog.exe
              "C:\Users\Admin\axlog.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2584
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 88
                5⤵
                • Loads dropped DLL
                • Program crash
                PID:2152
          • C:\Users\Admin\dxlog.exe
            C:\Users\Admin\dxlog.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2868
          • C:\Users\Admin\fxlog.exe
            C:\Users\Admin\fxlog.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:940
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe"
              4⤵
                PID:2448
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c tasklist&&del 0f026bef8497788d59923949f52b9644.exe
              3⤵
              • Deletes itself
              • Suspicious use of WriteProcessMemory
              PID:1932
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist
                4⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:292

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\dxlog.exe

          Filesize

          48KB

          MD5

          64babba1f00427096c6142b81e05c9b0

          SHA1

          9afad4f72b5bdd4ef164d02f824c7b2be5d732c6

          SHA256

          5d2419c5555890192f5b966fb24316778d1ce27728aecab0557225945ea2d6c2

          SHA512

          7abf1d9d83066d1c938a040cacb9da852ca0f7660520840b045d761d2781b7ba1263ecad9178d17026c63c26e45cafad59d3f18afc6d349fb51c06936ec785b0

        • C:\Windows\system32\consrv.dll

          Filesize

          53KB

          MD5

          4d7cde615a0f534bd5e359951829554b

          SHA1

          c885d00d9000f2a5dbc78f6193a052b36f4fe968

          SHA256

          414fdf9bdcae5136c1295d6d24740c50a484acd81f1f7d0fb5d5c138607cb80a

          SHA512

          33d632f9fbb694440a1ca568c90518784278efd1dc9ee2b57028149d56ebe1f7346d5b59dcfafee2eeaa10091dda05f48958e909d6bfc891e037ae1cfbd048d4

        • \??\globalroot\systemroot\assembly\temp\@

          Filesize

          2KB

          MD5

          81d134ef0c174f08264fc9345986be48

          SHA1

          3ac9a9aa74f3dcfc1e91692a9fa12b69f1c49680

          SHA256

          32293b8c6a42fcfddd36f0d73bbbd08bef1fecf5a8089e3bc9584e59e776e368

          SHA512

          c23f4d2633fbcc8198e5d4dbbc03d5cac147d49d2a324a97f1f3be5835d837a1b1145f25702f3993ebfb4b3f426bf33a9957b4eabb61fe70e9839c5fa4a2b507

        • \Users\Admin\ana7e3.exe

          Filesize

          228KB

          MD5

          290efbf2f76c4ef6f2a4b21f68b29888

          SHA1

          3a6454771d5975be4bb806738dca76ca4f8faaca

          SHA256

          e61900f8b18ceb66802b0058a24677f6396df1c0ab8a4ac2281fd47929fbaf24

          SHA512

          c23a40effe75396e7a4d3eea5ffdf0807c076598fda76ea399e320731c56835bee19e3ef4413d7965c17e976cf9a06d0694f4fbfbb4917cb28b0fb3627e5b008

        • \Users\Admin\axlog.exe

          Filesize

          76KB

          MD5

          925c20785e84c26666346a44251104c8

          SHA1

          2dd55917d669a1165284e1344965a7c35c5c552f

          SHA256

          7f8af46b5be6d1240777d240352f20c33e41f41f0334c02643aa7890c5d88f1a

          SHA512

          67b2a7d986793d1d18d63a5697c0a6f018211b3c01b481ff95663fd874ba14c8bc96f3695022d4637e4819ad669eb3d08e3f267c9631af2c4871982a49df958b

        • \Users\Admin\deiine.exe

          Filesize

          228KB

          MD5

          d594b3cebf2ae637644d382cd025b132

          SHA1

          4a57cd2532b72b02edd4601d707f1ae747a85453

          SHA256

          4dbaac33ad17c36ab5b7713dc8a97e1978cd6cd609c3755ae56a90cf1e6a6c32

          SHA512

          6660d990d4aa0b5f1f97943afaf9504a9be3c9edf6ffc6482405c192f3209815be3d5d72a783575e357a07842ac79087a001e1675fe4616da737f2c78d94813a

        • \Users\Admin\fxlog.exe

          Filesize

          270KB

          MD5

          790180622412379c23115e59fb7022be

          SHA1

          012b064113171c300519a4f7f10beb15c1c285b2

          SHA256

          f00f2d7ae9eb7ee10636f29acd947da0f1235574c6dcd918e5dc5358287fd613

          SHA512

          039c8da89d65d58ae021ce4532c842fcda357d5b2580b28d124c76d29a67374414dacf574bf209c044e04819d52e6c4521ed24546b4bfb06aead7a3cfc1e99d4

        • memory/336-139-0x0000000000A50000-0x0000000000A62000-memory.dmp

          Filesize

          72KB

        • memory/336-121-0x0000000000A50000-0x0000000000A62000-memory.dmp

          Filesize

          72KB

        • memory/336-120-0x00000000007F0000-0x00000000007F1000-memory.dmp

          Filesize

          4KB

        • memory/336-122-0x0000000000A50000-0x0000000000A62000-memory.dmp

          Filesize

          72KB

        • memory/336-133-0x00000000007F0000-0x00000000007F1000-memory.dmp

          Filesize

          4KB

        • memory/336-134-0x0000000000A50000-0x0000000000A62000-memory.dmp

          Filesize

          72KB

        • memory/840-157-0x0000000000920000-0x000000000092B000-memory.dmp

          Filesize

          44KB

        • memory/840-146-0x0000000000910000-0x000000000091B000-memory.dmp

          Filesize

          44KB

        • memory/840-141-0x0000000000910000-0x000000000091B000-memory.dmp

          Filesize

          44KB

        • memory/840-142-0x0000000000900000-0x0000000000908000-memory.dmp

          Filesize

          32KB

        • memory/840-151-0x0000000000910000-0x000000000091B000-memory.dmp

          Filesize

          44KB

        • memory/840-152-0x0000000000920000-0x000000000092B000-memory.dmp

          Filesize

          44KB

        • memory/840-154-0x0000000000920000-0x000000000092B000-memory.dmp

          Filesize

          44KB

        • memory/940-107-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-82-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

        • memory/940-97-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-98-0x0000000003110000-0x000000000314C000-memory.dmp

          Filesize

          240KB

        • memory/940-99-0x0000000003950000-0x0000000003951000-memory.dmp

          Filesize

          4KB

        • memory/940-102-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-103-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-80-0x00000000020A0000-0x00000000020A1000-memory.dmp

          Filesize

          4KB

        • memory/940-95-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-81-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

        • memory/940-96-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-83-0x0000000002380000-0x00000000023C6000-memory.dmp

          Filesize

          280KB

        • memory/940-94-0x0000000003100000-0x0000000003101000-memory.dmp

          Filesize

          4KB

        • memory/940-93-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-92-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-89-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-126-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

        • memory/940-127-0x0000000002380000-0x00000000023C6000-memory.dmp

          Filesize

          280KB

        • memory/940-128-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-129-0x0000000003110000-0x000000000314C000-memory.dmp

          Filesize

          240KB

        • memory/940-84-0x0000000002950000-0x0000000002951000-memory.dmp

          Filesize

          4KB

        • memory/940-86-0x0000000002B30000-0x0000000002B6C000-memory.dmp

          Filesize

          240KB

        • memory/940-85-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

        • memory/1192-114-0x0000000002B40000-0x0000000002B46000-memory.dmp

          Filesize

          24KB

        • memory/1192-109-0x0000000002B30000-0x0000000002B32000-memory.dmp

          Filesize

          8KB

        • memory/1192-104-0x0000000002B40000-0x0000000002B46000-memory.dmp

          Filesize

          24KB

        • memory/1192-110-0x0000000002B40000-0x0000000002B46000-memory.dmp

          Filesize

          24KB

        • memory/2116-130-0x0000000002970000-0x000000000342A000-memory.dmp

          Filesize

          10.7MB

        • memory/2584-40-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2584-38-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2584-42-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2584-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2584-52-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2584-51-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2584-50-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2584-46-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB