Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-07-2024 02:01

General

  • Target

    057b14650b1eaf5c8543b66b660433fc_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    057b14650b1eaf5c8543b66b660433fc

  • SHA1

    c23e2b68f6ff2d7e74834430e6b5b6fb1e6cbce7

  • SHA256

    b7809f88eb38c85a46ecd966f320c9c9f0b23181cc7b511299fdef733eb06390

  • SHA512

    268afe5738aead08910ea8c9dff9bd20e1694d51c777fb37d7fc2f5d513dc47480d7fa866f324aa42272f281722464d0bbc0ac3ec0e8fb5206fbfd0ee6a3a600

  • SSDEEP

    24576:MyBejP6+BCaVD3M0/tC2773ilD6CCK0ru1PbeWIKt:4NvM0olD6RK11DGKt

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 42 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\057b14650b1eaf5c8543b66b660433fc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\057b14650b1eaf5c8543b66b660433fc_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\057b14650b1eaf5c8543b66b660433fc_JaffaCakes118.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2120
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\057b14650b1eaf5c8543b66b660433fc_JaffaCakes118.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\057b14650b1eaf5c8543b66b660433fc_JaffaCakes118.exe.log

    Filesize

    412B

    MD5

    e72888b5960716cf170f3e1becd14370

    SHA1

    0aeefd2d4a7948a03aad625ca86fc34d79adf248

    SHA256

    8317f594f74040b50e1b88f4aba5e6da3423bf47fe91df59e6e85f37b1f7e0ab

    SHA512

    9cdfda6fc4f324dfd8d53b46610114252431a5d26296a6f3d606b8ffeef172263fbde9ce0a1b2b9232dabcdabd33d6677e9a5f7693b175f24cea622c31b5c6b7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nyw4l420.j1w.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1620-5-0x00000000751BE000-0x00000000751BF000-memory.dmp

    Filesize

    4KB

  • memory/1620-12-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-4-0x0000000005590000-0x0000000005622000-memory.dmp

    Filesize

    584KB

  • memory/1620-0-0x00000000751BE000-0x00000000751BF000-memory.dmp

    Filesize

    4KB

  • memory/1620-6-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-7-0x0000000005EC0000-0x0000000005F90000-memory.dmp

    Filesize

    832KB

  • memory/1620-8-0x0000000008310000-0x00000000083E4000-memory.dmp

    Filesize

    848KB

  • memory/1620-1-0x00000000009E0000-0x0000000000AF8000-memory.dmp

    Filesize

    1.1MB

  • memory/1620-2-0x0000000005450000-0x00000000054EC000-memory.dmp

    Filesize

    624KB

  • memory/1620-3-0x0000000002EB0000-0x0000000002EC2000-memory.dmp

    Filesize

    72KB

  • memory/2120-13-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/2120-14-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/2120-15-0x0000000005A80000-0x0000000006024000-memory.dmp

    Filesize

    5.6MB

  • memory/2120-16-0x0000000006420000-0x0000000006486000-memory.dmp

    Filesize

    408KB

  • memory/2120-17-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/2120-18-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/2120-68-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/2120-20-0x0000000006D20000-0x0000000006D2A000-memory.dmp

    Filesize

    40KB

  • memory/2120-19-0x0000000006D90000-0x0000000006DE0000-memory.dmp

    Filesize

    320KB

  • memory/2120-9-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4768-25-0x0000000005BF0000-0x0000000005C12000-memory.dmp

    Filesize

    136KB

  • memory/4768-53-0x00000000075E0000-0x0000000007683000-memory.dmp

    Filesize

    652KB

  • memory/4768-23-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-26-0x0000000005C90000-0x0000000005CF6000-memory.dmp

    Filesize

    408KB

  • memory/4768-22-0x0000000005410000-0x0000000005A38000-memory.dmp

    Filesize

    6.2MB

  • memory/4768-36-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-37-0x0000000005DB0000-0x0000000006104000-memory.dmp

    Filesize

    3.3MB

  • memory/4768-38-0x00000000063E0000-0x00000000063FE000-memory.dmp

    Filesize

    120KB

  • memory/4768-39-0x0000000006490000-0x00000000064DC000-memory.dmp

    Filesize

    304KB

  • memory/4768-40-0x00000000069A0000-0x00000000069D2000-memory.dmp

    Filesize

    200KB

  • memory/4768-41-0x0000000070450000-0x000000007049C000-memory.dmp

    Filesize

    304KB

  • memory/4768-51-0x00000000069E0000-0x00000000069FE000-memory.dmp

    Filesize

    120KB

  • memory/4768-52-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-24-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-54-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-55-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-57-0x0000000007710000-0x000000000772A000-memory.dmp

    Filesize

    104KB

  • memory/4768-56-0x0000000007D50000-0x00000000083CA000-memory.dmp

    Filesize

    6.5MB

  • memory/4768-58-0x0000000007780000-0x000000000778A000-memory.dmp

    Filesize

    40KB

  • memory/4768-59-0x0000000007990000-0x0000000007A26000-memory.dmp

    Filesize

    600KB

  • memory/4768-60-0x0000000007910000-0x0000000007921000-memory.dmp

    Filesize

    68KB

  • memory/4768-61-0x0000000007940000-0x000000000794E000-memory.dmp

    Filesize

    56KB

  • memory/4768-62-0x0000000007950000-0x0000000007964000-memory.dmp

    Filesize

    80KB

  • memory/4768-63-0x0000000007A50000-0x0000000007A6A000-memory.dmp

    Filesize

    104KB

  • memory/4768-64-0x0000000007A30000-0x0000000007A38000-memory.dmp

    Filesize

    32KB

  • memory/4768-67-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-21-0x0000000004DA0000-0x0000000004DD6000-memory.dmp

    Filesize

    216KB