Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/04/2024, 15:44

General

  • Target

    f169db03a4d6ee6a2c24b08bbc017232_JaffaCakes118.exe

  • Size

    501KB

  • MD5

    f169db03a4d6ee6a2c24b08bbc017232

  • SHA1

    1cb900a4bdb39c2c0c9a22089215ccb1faaaa41d

  • SHA256

    8652119be4dccd30958786c1aea7f7745a80fd7af411f21cc7f141f628212004

  • SHA512

    bdfd6f6e0dd427d7377d1ce75dcd9e71eed69ced73dac66e7ead2daffa2ed445811c926ea277fb18ca0ea8e3bff0c0b2d552f926e1bbcafc622cc4d676c4ffe8

  • SSDEEP

    12288:Bf7bkjbB3h+2Ry3B9jmWAh7HAEeoU2y9z5l:Bf7wjbZh+2Ry3HeTDN

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f169db03a4d6ee6a2c24b08bbc017232_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f169db03a4d6ee6a2c24b08bbc017232_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\f169db03a4d6ee6a2c24b08bbc017232_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f169db03a4d6ee6a2c24b08bbc017232_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\f169db03a4d6ee6a2c24b08bbc017232_JaffaCakes118.exe" /TN 5xzkGEJ1bdbc /F
        3⤵
        • Creates scheduled task(s)
        PID:2584
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 5xzkGEJ1bdbc > C:\Users\Admin\AppData\Local\Temp\MU3yaZhH3.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2432
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 5xzkGEJ1bdbc
          4⤵
            PID:2740

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\MU3yaZhH3.xml

            Filesize

            1KB

            MD5

            ea41f9aed8fe92debc681fe742e1bd4c

            SHA1

            d8269c44391cc82fbc469b701c3550acc8212c49

            SHA256

            0dd69b88180f4116206cf8d119c9fa0fe617ceca9d1be5c979d7579d7f4b0e75

            SHA512

            fb419c77c1d0eaa16b1a512c2f32147a70a9b0245f55eacff128f34bf467e251bbab78318fa8dd2a258ba6a5acf2eb8a91c4c7848032c790be60ec0130d97cf1

          • \Users\Admin\AppData\Local\Temp\f169db03a4d6ee6a2c24b08bbc017232_JaffaCakes118.exe

            Filesize

            501KB

            MD5

            d2e2f1e01d41c9e7afb2886cfa11c011

            SHA1

            83e2f715e57f2bf8c5e9685fa286bbacc9417a9b

            SHA256

            7da548ce86d1fa13c4490eb0d013988ec4839813ed5a5bab75341400a0558611

            SHA512

            fc5e161c09648b261e80dbafa2f66590333d54a665134be99955873eb82ef1c177e9035e89c91e7b28ec6fd55c7982db4ffcb38161bd35de30f4f565705f8540

          • memory/1984-19-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/1984-21-0x0000000000380000-0x00000000003FE000-memory.dmp

            Filesize

            504KB

          • memory/1984-26-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/1984-31-0x0000000000470000-0x00000000004DB000-memory.dmp

            Filesize

            428KB

          • memory/1984-54-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/2188-0-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/2188-1-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/2188-4-0x0000000022D90000-0x0000000022E0E000-memory.dmp

            Filesize

            504KB

          • memory/2188-16-0x0000000022E10000-0x000000002306C000-memory.dmp

            Filesize

            2.4MB

          • memory/2188-15-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB