Overview

overview

10

Static

static

3

a36d5c7da7...18.exe

windows7-x64

10

a36d5c7da7...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 18:23

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General

  • Target

    a36d5c7da72073f9b44f382f23df9b10_JaffaCakes118.exe

  • Size

    646KB

  • MD5

    a36d5c7da72073f9b44f382f23df9b10

  • SHA1

    a7e8b1507bfb258a8efbbcc3bd72734f144fe998

  • SHA256

    2aba224a13f4d8602fd1f0e5f9373b3c958178bc79f51c34d0070a2742da1b93

  • SHA512

    4a7ce1a30c8b7f37f679b8f37d3e6e0995b2b2320f06743318bf0f79786d0d724d862583472dd6fc0327ee87b9bdb68e0135813a029f96267d94fd707fb11be4

  • SSDEEP

    12288:k/dr9yql7Xy+mO0FKUDTtMi1NzW/DaRMvNXx265syu4MrZ:kl8qNiyUdMONUzeosyu4M

Score
10/10
cycbotbackdoordiscoveryevasionpersistenceratspywarestealerupx

Malware Config

Signatures

  • Cycbot

    Cycbot is a backdoor and trojan written in C++..

    backdoorratcycbot
  • Cycbot family
    cycbot
  • Detects Cycbot payload 3 IoCs

    Cycbot is a backdoor and trojan written in C++.

  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Disables taskbar notifications via registry modification
    evasion
  • Deletes itself 1 IoCs
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 52 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 11 IoCs

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

    upx
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

    discovery
  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

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
    PID:332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:856
    • C:\Users\Admin\AppData\Local\Temp\a36d5c7da72073f9b44f382f23df9b10_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a36d5c7da72073f9b44f382f23df9b10_JaffaCakes118.exe"
      1⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Users\Admin\AppData\Local\Temp\a36d5c7da72073f9b44f382f23df9b10_JaffaCakes118.exe
        a36d5c7da72073f9b44f382f23df9b10_JaffaCakes118.exe
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Users\Admin\g6NuH2.exe
          C:\Users\Admin\g6NuH2.exe
          3⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1712
          • C:\Users\Admin\xeeuta.exe
            "C:\Users\Admin\xeeuta.exe"
            4⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:2804
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del g6NuH2.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2760
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              5⤵
              • Enumerates processes with tasklist
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2916
        • C:\Users\Admin\adhost.exe
          C:\Users\Admin\adhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2616
          • C:\Users\Admin\adhost.exe
            adhost.exe
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:3052
        • C:\Users\Admin\bdhost.exe
          C:\Users\Admin\bdhost.exe
          3⤵
          • Modifies security service
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2788
          • C:\Users\Admin\bdhost.exe
            C:\Users\Admin\bdhost.exe startC:\Users\Admin\AppData\Roaming\4F88F\0AED3.exe%C:\Users\Admin\AppData\Roaming\4F88F
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1588
          • C:\Users\Admin\bdhost.exe
            C:\Users\Admin\bdhost.exe startC:\Program Files (x86)\8F834\lvvm.exe%C:\Program Files (x86)\8F834
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2968
        • C:\Users\Admin\cdhost.exe
          C:\Users\Admin\cdhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3048
          • C:\Windows\explorer.exe
            "C:\Windows\explorer.exe"
            4⤵
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:656
        • C:\Users\Admin\ddhost.exe
          C:\Users\Admin\ddhost.exe
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:320
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del a36d5c7da72073f9b44f382f23df9b10_JaffaCakes118.exe
          3⤵
          • Deletes itself
          • System Location Discovery: System Language Discovery
          PID:1016
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1984
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:632

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Active Setup

    1
    T1547.014

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Active Setup

    1
    T1547.014

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Defense Evasion

    Hide Artifacts

    1
    T1564

    Hidden Files and Directories

    1
    T1564.001

    Modify Registry

    5
    T1112

    Credential Access

    Credentials from Password Stores

    1
    T1555

    Credentials from Web Browsers

    1
    T1555.003

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Process Discovery

    1
    T1057

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Command and Control

    Exfiltration

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\4F88F\F834.F88
      Filesize

      600B

      MD5

      793e3b9b3f1612591ab12ebdffbb9054

      SHA1

      a249233ec9b8c79a0a7377f44c531319222a2328

      SHA256

      164b11086c34eb76241ab092ecba3cb1684094324f061565d3a76d456b99cc7a

      SHA512

      5919b7adf5d06708851a4826b9d75bd77314cbe283c39c05e920ab6ae7172b23d68e07e11b546287759d083ecbf4c41bc5a9182543cbc5edef4da3df79f5ece7

      Download Submit

    • C:\Users\Admin\AppData\Roaming\4F88F\F834.F88
      Filesize

      996B

      MD5

      9a54ef145897d440e40afa94d54f9fd1

      SHA1

      5f54a498a35b7d305d377e304767aa95be3f83bd

      SHA256

      34cedc0e8869b234c9404bdc946e42fa57f23d1b3df222646c8a535157af23cb

      SHA512

      a24f2ffc2ceacd388ba68ae4510c8581501b6be8e15cb5b377eeb1f86d1e92d867d380e87d3844b609ec34438420c11338f7d01b90be02fb41979791289b2def

      Download Submit

    • C:\Users\Admin\AppData\Roaming\4F88F\F834.F88
      Filesize

      1KB

      MD5

      b4928832c32ded0217c79cb37900dbea

      SHA1

      7b8d8163afe6ef1357b849117311220876d4198c

      SHA256

      e3ddf245a82173c8f8778fbda9c341b43c9910f4f43c171a8e234b5832540f9a

      SHA512

      72216a4fc663e41b2cdc113629f2dde5096fc67a595131f402f9c48bbe187ca21dd3fed85dc69f7cb646fb2e99932080744b61398e1a469a9985bb295652cc83

      Download Submit

    • C:\Users\Admin\cdhost.exe
      Filesize

      118KB

      MD5

      4abe6afa1ff995b70ef6511c1f0567ae

      SHA1

      80935a41582e0fb168c37d2960dce974cab5f0ab

      SHA256

      fba532bcf20eaba48015c06e52efd121a46dffad4a293d47d1ccc6529e0beae8

      SHA512

      bd8521102317e02b91025d8f3b5976e3ea6a93b82d8ca76bc05f43ca845d92d1a206d1a2710c194a018504a1578004f154d83c26243ffa2336a19610ee51c565

      Download Submit

    • C:\Windows\system32\consrv.DLL
      Filesize

      53KB

      MD5

      d3bd9c7e7a29daa24c66dc62cd5f5633

      SHA1

      3895247052b6244659e73334e6398677dafa0ac1

      SHA256

      6b87925d0e03ab5daa4760b1a62bed66c49cb489d011e2c9633eb0fe466df83f

      SHA512

      e243a2272887b02417b08b0d0728689c8f01cc57d473ed811ba98c2f5aa4d985d02d0fd7772bc33356474abcc815609ab7a6c0e905d6fe884fb7bc70bc67e9d0

      Download Submit

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

      2KB

      MD5

      cdcb784bf76ae1ee31c6acdb13beaeb5

      SHA1

      66ce44d495c9d0a31dbd90dd7d08edeb770a0060

      SHA256

      2de80198d80e3bef216100a8bd6d7c385b5ccf8e05186442c66ea5d54f5e705b

      SHA512

      03773cee7960f7ac584d6ebab18bebeb5a113f2f9d215451b288293c84cc4a4f4e4b09e42ea593fdb84ea4566c2270bc3d58809f8376f6dfcbd6c284a1dbcfde

      Download Submit

    • \Users\Admin\adhost.exe
      Filesize

      172KB

      MD5

      36fa3dbb1702552896cc677b5bda52dc

      SHA1

      c87f2707913047dcd2a896896fe2905b08c33985

      SHA256

      e8a3a99554c8aea64d2afa291655795896fbc14d053d3d29178c3536eee39f74

      SHA512

      9ace90bd8e81b507d2db75a493554b4a676730271883976033e4025dc6d19250070b6fd8825905e2aeea213bfc271e5d2c43a2eeca86bce0b3db497801731c53

      Download Submit

    • \Users\Admin\bdhost.exe
      Filesize

      174KB

      MD5

      f3e286f3fc9467d3b9e56d41038b17d5

      SHA1

      3653c381586b01016a56de58d59300e431368162

      SHA256

      ec735fb26d310b803d6c4370b7cdd2a4e0f100dc442d0545f3742b3b48da5f3f

      SHA512

      0ba3b50c8dbce8da4f3a312a8f57375b102dcc7348485300b1d65fec3b6f55f62eb54e8252ddd4d73620442813731f7bfceb84c122c07a778afde76d8a642e2d

      Download Submit

    • \Users\Admin\ddhost.exe
      Filesize

      24KB

      MD5

      71aecf19a1aec54e3d2c63f945cc6956

      SHA1

      12213f95739e45881458a7bbb429a0b7b363ccbf

      SHA256

      c98cd0c456aa393a80d81d259dc8077edaf44d833e0691054291a9ba285f74cf

      SHA512

      a8634acb97730db9415fd5cb93cb23e1adea0d19c182cf3daf423a73d76dbf7cd3ae1829a3a24fefaab8ffa3fb5e3b93662559067590c7a6779ead71b8f145e4

      Download Submit

    • \Users\Admin\g6NuH2.exe
      Filesize

      256KB

      MD5

      be8379280ac23f08b8b091e1bc345eae

      SHA1

      bb432b69277aec39e5566ec120d6fd8fe4e0097b

      SHA256

      caf1a47f843337e61a31e6faf6745bd9fd70e14af77f171c8764ea9d2fbe9dc5

      SHA512

      d5a26da6a5ded9961cc995a8f6e53b9a97d95330654a1e1e588ddcabcf4d058fe527b1d68de057b8b73be49f4bcb64b58db229a2007c9eb5858a7f1d81ddd215

      Download Submit

    • \Users\Admin\xeeuta.exe
      Filesize

      256KB

      MD5

      55dcba31f9a8b680cf24082ff42f33cf

      SHA1

      67409a650987b77f8dd484c8243d95b243bd5222

      SHA256

      ec2d563b9c1e74fe1c8a3dd1f98d857829760bc39126f1a4a52d3dbf70e15e93

      SHA512

      8c2edf745112ad65e7065e555efdfce3d5c704835eb239f666421eba2c90cdc671740f7cd631ab40acc4b3fce117433fc2a1fcd2a6cb598761eb68613076e0a1

      Download Submit

    • memory/656-255-0x0000000000310000-0x0000000000329000-memory.dmp

      Filesize

      100KB

      Download

    • memory/1588-93-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

      Download

    • memory/1712-44-0x0000000003810000-0x00000000042CA000-memory.dmp

      Filesize

      10.7MB

      Download

    • memory/2504-10-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

      Download

    • memory/2616-74-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

      Download

    • memory/2788-158-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

      Download

    • memory/2968-160-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

      Download

    • memory/3008-245-0x0000000000660000-0x0000000000680000-memory.dmp

      Filesize

      128KB

      Download

    • memory/3008-4-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3008-2-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3008-0-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3008-52-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3008-250-0x0000000000660000-0x0000000000680000-memory.dmp

      Filesize

      128KB

      Download

    • memory/3008-12-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3008-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3008-13-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3008-326-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3008-9-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3008-15-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3048-252-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

      Download

    • memory/3048-270-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

      Download

    • memory/3052-55-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3052-59-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3052-62-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3052-77-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3052-65-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3052-67-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3052-70-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3052-57-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3052-76-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

      Download