Analysis

  • max time kernel
    134s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-08-2024 08:29

General

  • Target

    c681559b99ec45b7deb597342f829ad1_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    c681559b99ec45b7deb597342f829ad1

  • SHA1

    f9c264ea9987b2377293ebad0722b6389ffe4c99

  • SHA256

    b8eccd094b6d3295838e91b54c25c81c86dcd0786543524f6c9e5c5108484c03

  • SHA512

    804ff57a342d67c5126ea8b54c03afb031d7b51e814e633657e8e91ffdb3c09b2d0271b6649471c10dbdb0388d6f9816cdc3f649b9151916bf7c7fb3e74c388b

  • SSDEEP

    24576:vyB2j24zrtOTFKKpDQGXsqMGUEiVJElns1fFOXUTlmJ17G6+:zFrtOTFpyqMtlf1fQUTl

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • 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 4 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 behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c681559b99ec45b7deb597342f829ad1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c681559b99ec45b7deb597342f829ad1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TsWHapCjEjbp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D04.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2384
    • C:\Users\Admin\AppData\Local\Temp\c681559b99ec45b7deb597342f829ad1_JaffaCakes118.exe
      "{path}"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\c681559b99ec45b7deb597342f829ad1_JaffaCakes118.exe'
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3696
  • 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=3908,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=1048 /prefetch:8
    1⤵
      PID:3604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c681559b99ec45b7deb597342f829ad1_JaffaCakes118.exe.log

      Filesize

      412B

      MD5

      e72888b5960716cf170f3e1becd14370

      SHA1

      0aeefd2d4a7948a03aad625ca86fc34d79adf248

      SHA256

      8317f594f74040b50e1b88f4aba5e6da3423bf47fe91df59e6e85f37b1f7e0ab

      SHA512

      9cdfda6fc4f324dfd8d53b46610114252431a5d26296a6f3d606b8ffeef172263fbde9ce0a1b2b9232dabcdabd33d6677e9a5f7693b175f24cea622c31b5c6b7

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mlxo1hna.efu.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp1D04.tmp

      Filesize

      1KB

      MD5

      7538f0e7acf64899ba43dc5da2cb0f4d

      SHA1

      fb174f294d255c819c7ed60932919a7cd582ad87

      SHA256

      e58ebabbff13981c3043a6c8a693c30886195a9393467197eb641f6959d4dcb5

      SHA512

      3e2d30af8e4e758b67adeee12ebac06203c2c4e02318528c5cda2f9e7afa62ac0e8dfe41157bd09e194bbc97e875ba1b2117c7779d0112bfee06b41c5f184e98

    • memory/2028-12-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/2028-22-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2028-20-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2028-19-0x00000000059D0000-0x0000000005A36000-memory.dmp

      Filesize

      408KB

    • memory/2028-18-0x00000000060C0000-0x0000000006664000-memory.dmp

      Filesize

      5.6MB

    • memory/2028-17-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2028-15-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2132-8-0x00000000084D0000-0x00000000085A4000-memory.dmp

      Filesize

      848KB

    • memory/2132-2-0x00000000056B0000-0x000000000574C000-memory.dmp

      Filesize

      624KB

    • memory/2132-7-0x0000000005C80000-0x0000000005D50000-memory.dmp

      Filesize

      832KB

    • memory/2132-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2132-6-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2132-5-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

      Filesize

      4KB

    • memory/2132-4-0x0000000005750000-0x00000000057E2000-memory.dmp

      Filesize

      584KB

    • memory/2132-3-0x0000000003040000-0x0000000003052000-memory.dmp

      Filesize

      72KB

    • memory/2132-1-0x0000000000B60000-0x0000000000C7A000-memory.dmp

      Filesize

      1.1MB

    • memory/2132-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

      Filesize

      4KB

    • memory/3696-21-0x0000000004FF0000-0x0000000005026000-memory.dmp

      Filesize

      216KB

    • memory/3696-23-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3696-25-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3696-24-0x0000000005810000-0x0000000005E38000-memory.dmp

      Filesize

      6.2MB

    • memory/3696-27-0x00000000055E0000-0x0000000005602000-memory.dmp

      Filesize

      136KB

    • memory/3696-28-0x0000000005680000-0x00000000056E6000-memory.dmp

      Filesize

      408KB

    • memory/3696-29-0x0000000005F40000-0x0000000006294000-memory.dmp

      Filesize

      3.3MB

    • memory/3696-26-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3696-39-0x0000000006580000-0x000000000659E000-memory.dmp

      Filesize

      120KB

    • memory/3696-40-0x0000000006B30000-0x0000000006B7C000-memory.dmp

      Filesize

      304KB

    • memory/3696-41-0x0000000007C50000-0x00000000082CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3696-42-0x0000000006AA0000-0x0000000006ABA000-memory.dmp

      Filesize

      104KB

    • memory/3696-43-0x0000000007870000-0x0000000007906000-memory.dmp

      Filesize

      600KB

    • memory/3696-44-0x0000000007800000-0x0000000007822000-memory.dmp

      Filesize

      136KB

    • memory/3696-47-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB