Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 10:13

General

  • Target

    bce7b3857a1c0d6826914d94402ace12_JaffaCakes118.exe

  • Size

    667KB

  • MD5

    bce7b3857a1c0d6826914d94402ace12

  • SHA1

    bcaa2c69b76fa5e860414ea1ee3053d3d35602bd

  • SHA256

    b082ab7b41816a588eca9e26e094566ddbb4c3d272ea06a826b463c9cfed3f2f

  • SHA512

    79095439e52a0ceec67ccee6b697bf4c35a9099e7ac47914b4c6a6390aa317828d8df6822d7709c15ead80dd2135a156a8c9eb08e4f7546a87dc8164e01756f3

  • SSDEEP

    12288:WbMqmUEEb4E9F/ATyGv4XKGQi2lJLm1Giizl6oAlpxElrW1A:WISEEb4Ev/ATEXKGVnGTzpA1Ec1A

Malware Config

Signatures

  • Cycbot

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

  • Cycbot family
  • Detects Cycbot payload 6 IoCs

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

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies security service 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Modiloader family
  • ModiLoader Second Stage 7 IoCs
  • 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.

  • Disables taskbar notifications via registry modification
  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 54 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 21 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 22 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs
  • System policy modification 1 TTPs 2 IoCs
  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\bce7b3857a1c0d6826914d94402ace12_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bce7b3857a1c0d6826914d94402ace12_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\bce7b3857a1c0d6826914d94402ace12_JaffaCakes118.exe
      bce7b3857a1c0d6826914d94402ace12_JaffaCakes118.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2660
      • C:\Users\Admin\DV245F.exe
        C:\Users\Admin\DV245F.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:2656
        • C:\Users\Admin\wuukii.exe
          "C:\Users\Admin\wuukii.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:2156
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del DV245F.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2548
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2620
      • C:\Users\Admin\aohost.exe
        C:\Users\Admin\aohost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1564
        • C:\Users\Admin\aohost.exe
          aohost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2868
      • C:\Users\Admin\bohost.exe
        C:\Users\Admin\bohost.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 behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:2440
        • C:\Users\Admin\bohost.exe
          C:\Users\Admin\bohost.exe startC:\Users\Admin\AppData\Roaming\FB3A6\8D33C.exe%C:\Users\Admin\AppData\Roaming\FB3A6
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2248
        • C:\Users\Admin\bohost.exe
          C:\Users\Admin\bohost.exe startC:\Program Files (x86)\A61EC\lvvm.exe%C:\Program Files (x86)\A61EC
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1524
      • C:\Users\Admin\dohost.exe
        C:\Users\Admin\dohost.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2472
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del bce7b3857a1c0d6826914d94402ace12_JaffaCakes118.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1044
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3020
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1908
  • 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:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\FB3A6\61EC.B3A

    Filesize

    600B

    MD5

    2d17827aa4b4bd9bdd5cc2268a4b4342

    SHA1

    3692cd2bece258188666ed9f56815a0946591348

    SHA256

    82cab2716670ed3edcc538db82dbde6748b1abbc1f321ec198af10422dbe9ddf

    SHA512

    6a9e1254746af99951d333fe708d8696e5905d3494566057447d47e0dbac433717177b7cbc46c4692169b34261efa3c3f3c351d3c9ee33755b033672761ad0a2

  • C:\Users\Admin\AppData\Roaming\FB3A6\61EC.B3A

    Filesize

    996B

    MD5

    d789e9e04c50e89c0ed79ba8004402bc

    SHA1

    44b12b3c6ef86c1b0c726fdd33db658a00abc898

    SHA256

    15ff0beed91aae8000d096ecf3b58eaa7b9e5434e2a8b7be744e0c1b694e00db

    SHA512

    223b3171822069609da80bef56458e0cddf8400083dd5e761861ebf109ec820adc85e5b1620bf938edcae62a80a3ccd6cf3857b0cf7d0a31ff7f01d37fab78f9

  • C:\Users\Admin\AppData\Roaming\FB3A6\61EC.B3A

    Filesize

    1KB

    MD5

    542fb23357676065e80bddd68bccf415

    SHA1

    c6f6c45d8cbcbd58e2ef41fea1d6705ed7015496

    SHA256

    53da05295f0637e442963badd61f61d10856f675c8ef8610dffc7fef770c9c9a

    SHA512

    1078efedf8e41f6f1efa3d163a95d57ddd634c4b82ddda800f4d81415339709b7c9df1acf5f21bd29b4f137332c41712bdf6b7214d434fbb9895e499936cac63

  • C:\Users\Admin\AppData\Roaming\FB3A6\61EC.B3A

    Filesize

    1KB

    MD5

    eeebe6593d42a203ee787df87da06462

    SHA1

    6447de3a74e259212db31b6dcfd45c442d481065

    SHA256

    46b56c0999da6f4f3eeed03389e1bf020435c8078974b81e81250d76b2143395

    SHA512

    2f50813b5c4161d38ada1c06faa60eca2cc2426fd43256d28f0b4417df592ed420c8b9325ea057a4853c43a30e0dbebc7188dfeba0c873a44e46125f99c369e1

  • \Users\Admin\DV245F.exe

    Filesize

    216KB

    MD5

    00b1af88e176b5fdb1b82a38cfdce35b

    SHA1

    c0f77262df92698911e0ac2f7774e93fc6b06280

    SHA256

    50f026d57fea9c00d49629484442ea59cccc0053d7db73168d68544a3bbf6f59

    SHA512

    9e55e7c440af901f9c6d0cdae619f6e964b9b75c9351c76ea64362ff161c150b12a1caabb3d2eb63353a59ae70e7159ca6b3793ed0cc11994766846ac316107f

  • \Users\Admin\aohost.exe

    Filesize

    152KB

    MD5

    4401958b004eb197d4f0c0aaccee9a18

    SHA1

    50e600f7c5c918145c5a270b472b114faa72a971

    SHA256

    4c477ed134bc76fa7b912f1aad5e59d4f56f993baa16646e25fec2fdeed3bd8b

    SHA512

    f0548bdaafce2cde2f9d3bd1c26ed3c8e9321ef6d706bd372e18886d834828e5bb54ae44f19764e94574ceb4a1a2a99bdd8476e174b05114fcac9a6d4a2d58e6

  • \Users\Admin\bohost.exe

    Filesize

    173KB

    MD5

    0578a41258df62b7b4320ceaafedde53

    SHA1

    50e7c0b00f8f1e5355423893f10ae8ee844d70f4

    SHA256

    18941e3030ef70437a5330e4689ec262f887f6f6f1da1cd66c0cbae2a76e75bf

    SHA512

    5870a73798bad1f92b4d79f20bf618112ec8917574f6b25ab968c47afff419a829eef57b0282fb4c53e6e636436c8cf52a01426c46bdd4a0ea948d371f0feb09

  • \Users\Admin\dohost.exe

    Filesize

    24KB

    MD5

    d7390e209a42ea46d9cbfc5177b8324e

    SHA1

    eff57330de49be19d2514dd08e614afc97b061d2

    SHA256

    d2d49c37bdf2313756897245c3050494b39e824af448450eca1c0e83cf95b1e5

    SHA512

    de0eb11dd20cd9d74f47b138fb4189a299a57173fe2635150045b01629354f35b26e0575acd25501403af0db238a123b2e5a79582b47aee1d6e786f5eec1929d

  • \Users\Admin\wuukii.exe

    Filesize

    216KB

    MD5

    ea8fd4ec098a958682fe6413120cb5f8

    SHA1

    5aad206dd8042065d53ed7ad9b74dd6f0393825a

    SHA256

    9ecf868ded76a2a2c0843f915334c8ef84ff877eff49103d3e284bc8b0fd3e12

    SHA512

    9ac356dfda0a7c364e3ca2f8423f46a240c93abc59694ac72f122d149a596051d787603bcb95b3d4e5d18e7a7933c71cd06d60c53141cb894afc9bd86c484646

  • memory/1524-161-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1564-60-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2084-9-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2248-99-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2440-283-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2440-269-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2440-163-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2440-101-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2660-4-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2660-11-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2660-274-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2660-2-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2660-78-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2660-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2660-271-0x0000000002A10000-0x00000000034CA000-memory.dmp

    Filesize

    10.7MB

  • memory/2660-5-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2660-14-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2660-12-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2660-0-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/2868-51-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2868-65-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2868-59-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2868-100-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2868-53-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2868-66-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2868-64-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2868-55-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB