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Resubmissions

14/09/2024, 13:40

240914-qyh54awgjq 10

14/09/2024, 13:34

240914-qvecqswepq 10

Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    14/09/2024, 13:34

General

  • Target

    e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe

  • Size

    345KB

  • MD5

    e049bf2e95cfd9354cd04da57dc33e0d

  • SHA1

    e5b896193a4bcfd10723dd914e2f19fd693df9b3

  • SHA256

    2122beff06c9c868008da7f8d5659f4866b5696a809abf8c48b231db6e6a690f

  • SHA512

    f01d1c90cd261c21a7536cc907e9bf3d0a6e3b45f6f60cc18da9350f687116d404161c1d5ead05bcad30da8b2f0c94fc3068389db6820be16a06fbf8cad10dcd

  • SSDEEP

    6144:011QE6KflZF3TcH76K9Wwj1JJUkOOeaGO+/5cX52J2w:sFrITWwBJJfOOfGB/Q2Jr

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 4 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e049bf2e95cfd9354cd04da57dc33e0d_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tdh.dll

    Filesize

    20KB

    MD5

    1dafb2cf34f35d5814c11c4c7c97aad8

    SHA1

    3f49bcb442c672bda015eebc1e1e6ca8584b2c01

    SHA256

    a6ab79699435b6f5879e540cb754be7a637e7b878b3decd87a6a9445f81ae6d6

    SHA512

    c8c0b1529aae25a95b053f82724ac1b60e4a1ab3493187691aab8a46c93414379222c06de238b7f351bd062ab7aa8a03e5d5b2122a0d9b1b30712501b6780365

  • \Users\Admin\AppData\Local\Temp\nsj9649.tmp\System.dll

    Filesize

    11KB

    MD5

    fccff8cb7a1067e23fd2e2b63971a8e1

    SHA1

    30e2a9e137c1223a78a0f7b0bf96a1c361976d91

    SHA256

    6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

    SHA512

    f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

  • memory/2088-15-0x0000000010005000-0x0000000010007000-memory.dmp

    Filesize

    8KB

  • memory/2760-16-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2760-18-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2760-19-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2760-20-0x00000000044B0000-0x00000000044EC000-memory.dmp

    Filesize

    240KB