Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 05:47

General

  • Target

    7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    7e188023110a5ffd9719428a7b98688d

  • SHA1

    fd3dd486e98fff7e2d069f0e4e4ddb2ae86daba6

  • SHA256

    a65ba93ec78558053bcebe1b7a512aa7ebc402eef96ccc1cd41062f3da517375

  • SHA512

    e8b1f0b077b2e71c7c125993f33addfed9570710d50d10070eed7e5eeb81c43565d5776ed8a62fe6764c7773108fffa12c00c1d555b4cc138b28f7a708059516

  • SSDEEP

    24576:IMc1bS0R6crXjYp36O1aNjoWBFJDq9SpCxfzs2o2SV/deDrgO:IMcxS0RTrzYp3/oNEWxq8pCRzro2SV/u

Score
10/10

Malware Config

Signatures

  • Detects Renamer worm. 5 IoCs

    Renamer aka Grename is worm written in Delphi.

  • Renamer family
  • Renamer, Grenam

    Renamer aka Grenam is a worm written in Delphi.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IKoWZvhVjiC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6731.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5004
    • C:\Users\Admin\AppData\Local\Temp\7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe"
      2⤵
      • Drops startup file
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Java\jdk-1.8\bin\vjavaws.ico

    Filesize

    4KB

    MD5

    38b41d03e9dfcbbd08210c5f0b50ba71

    SHA1

    2fbfde75ce9fe8423d8e7720bf7408cedcb57a70

    SHA256

    611f2cb2e03bd8dbcb584cd0a1c48accfba072dd3fc4e6d3144e2062553637f5

    SHA512

    ec97556b6ff6023d9e6302ba586ef27b1b54fbf7e8ac04ff318aa4694f13ad343049210ef17b7b603963984c1340589665d67d9c65fec0f91053ff43b1401ba9

  • C:\Program Files\Microsoft Office 15\ClientX64\vIntegratedOffice.ico

    Filesize

    4KB

    MD5

    3ea9bcbc01e1a652de5a6fc291a66d1a

    SHA1

    aee490d53ee201879dff37503a0796c77642a792

    SHA256

    a058bfd185fe714927e15642004866449bce425d34292a08af56d66cf03ebe6c

    SHA512

    7c740132f026341770b6a20575786da581d8a31850d0d680978a00cc4dfca1e848ef9cdc32e51bae680ea13f6cc0d7324c38765cb4e26dcb2e423aced7da0501

  • C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.ico

    Filesize

    4KB

    MD5

    fc27f73816c9f640d800cdc1c9294751

    SHA1

    e6c3d8835d1de4e9606e5588e741cd1be27398f6

    SHA256

    3cc5043caa157e5f9b1870527b8c323850bdae1e58d6760e4e895d2ab8a35a05

    SHA512

    9e36b96acc97bc7cd45e67a47f1ae7ab7d3818cc2fdaad147524ce9e4baedfaac9cd012923ec65db763bfd850c65b497376bb0694508bee59747f97bf1591fd4

  • C:\Users\Admin\AppData\Local\Temp\tmp6731.tmp

    Filesize

    1KB

    MD5

    e8f4fc06cd3bc9065cc3753ec15fcdcb

    SHA1

    dd19f43e6ba22c618697c98fc3c1ba8d364e9ec9

    SHA256

    a24430639fba2534e8420568e2451f429ea2b3e99cea45824ad60e81ac2bc0c1

    SHA512

    5a69ed1fd3e6da4af7f7089e48fc399879121b3bc9e8dd26ce8a7bd890159116f06660413320e41b2f90625afd902f39e5133c7bcb3566a7d15ecd18f39c9da2

  • C:\Users\Admin\AppData\Roaming\Paint.exe

    Filesize

    1.2MB

    MD5

    7e188023110a5ffd9719428a7b98688d

    SHA1

    fd3dd486e98fff7e2d069f0e4e4ddb2ae86daba6

    SHA256

    a65ba93ec78558053bcebe1b7a512aa7ebc402eef96ccc1cd41062f3da517375

    SHA512

    e8b1f0b077b2e71c7c125993f33addfed9570710d50d10070eed7e5eeb81c43565d5776ed8a62fe6764c7773108fffa12c00c1d555b4cc138b28f7a708059516

  • F:\autorun.inf

    Filesize

    102B

    MD5

    5513829683bff23161ca7d8595c25c72

    SHA1

    9961b65bbd3bac109dddd3a161fc30650e8a7096

    SHA256

    94e323bd9071db7369ade16f45454e7a0dbfb6a39efddc1234c4719d1f7ee4c2

    SHA512

    308c84446106cda0a71e37b0de46aaf4b7361f9ddcc3c4c29f8e87da8acb606525dce8a42caf9d74e708c56b31c524f9535a2f5f4757c6c357401da1c495ddb6

  • memory/1728-12-0x000000000A620000-0x000000000A6F4000-memory.dmp

    Filesize

    848KB

  • memory/1728-3-0x00000000051B0000-0x0000000005754000-memory.dmp

    Filesize

    5.6MB

  • memory/1728-8-0x0000000007AB0000-0x0000000007AC6000-memory.dmp

    Filesize

    88KB

  • memory/1728-9-0x00000000746AE000-0x00000000746AF000-memory.dmp

    Filesize

    4KB

  • memory/1728-10-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-11-0x0000000007D10000-0x0000000007E1A000-memory.dmp

    Filesize

    1.0MB

  • memory/1728-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

    Filesize

    4KB

  • memory/1728-6-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-1-0x00000000000C0000-0x00000000001EE000-memory.dmp

    Filesize

    1.2MB

  • memory/1728-2-0x0000000004B60000-0x0000000004BFC000-memory.dmp

    Filesize

    624KB

  • memory/1728-7-0x0000000004EE0000-0x0000000004F36000-memory.dmp

    Filesize

    344KB

  • memory/1728-4-0x0000000004CA0000-0x0000000004D32000-memory.dmp

    Filesize

    584KB

  • memory/1728-23-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-5-0x0000000004C50000-0x0000000004C5A000-memory.dmp

    Filesize

    40KB

  • memory/2440-24-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

    Filesize

    4KB

  • memory/2440-19-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2440-22-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2440-21-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2440-18-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2440-282-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2440-283-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

    Filesize

    4KB