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Overview

overview

8

Static

static

3

a2878091b6...18.exe

windows7-x64

8

a2878091b6...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    135s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 12:28

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General

  • Target

    a2878091b69a865d300a707123d96a40_JaffaCakes118.exe

  • Size

    19KB

  • MD5

    a2878091b69a865d300a707123d96a40

  • SHA1

    660e93f30d941ebc8fdf154882f29abd91472e53

  • SHA256

    68faff9c4e6c792edafd8392ea0c4a4d1f890793b3305a87a6ef0c618caa19bd

  • SHA512

    9d3c374231401c549e4454cb12c718e097bb6d0049f4e0320195b681523426dc9afc5a91c9f2238aeb46aba4fdf0888b33c39f620742e1f00e466c7e5b13f564

  • SSDEEP

    384:T8hKz78lvSiMjtQxCkVpnq3hUOJ7rCa/weglb22WN:Txz7gvS3QxC0pqxUO5YemxWN

Score
8/10
bootkitdiscoverypersistence

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: LoadsDriver 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2878091b69a865d300a707123d96a40_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2878091b69a865d300a707123d96a40_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 544
      2⤵
      • Program crash
      PID:4948
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4236,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=4100 /prefetch:8
    1⤵
      PID:5108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3956 -ip 3956
      1⤵
        PID:3648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\dat500F.tmp
        Filesize

        14KB

        MD5

        2c38fa020303e72e76dee7b902fa457b

        SHA1

        eb336a580dbdd3292a70ee6128cdb40c89fe3acc

        SHA256

        eacbea5339b68f499f30452c66e1db313b9d086d41d8fc443b3ad17706701c7e

        SHA512

        d08cffd3394fd41f7dd8bb112897d58a2f48bc7fbb046d3a92b31ea96ab013e54a1a537403e498463669dbacd309cdc09224a6e0e5c07daf8d4f863d2beb2a32

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\dat502F.tmp
        Filesize

        10KB

        MD5

        47719e94a415c8df20535cf0c6f3f196

        SHA1

        9ded7777ecbe47419a4fbc2f8a0e8f6078451c63

        SHA256

        f33be11cf95312f161bc63bbc675897f04f0a43807e9f82ef1c9c05d55b2a4f7

        SHA512

        35c59d5276118073738fb5ea53f3325d4c00cce0e9296ec74ce25417486a7ac43f19acc30fd8cb0ffc9b1e7269091f370f6949d68563de18b1c05928b06a8670

        Download Submit

      • memory/3956-4-0x0000000010000000-0x000000001001A000-memory.dmp

        Filesize

        104KB

        Download

      • memory/3956-16-0x0000000010000000-0x000000001001A000-memory.dmp

        Filesize

        104KB

        Download