Analysis

  • max time kernel
    104s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2025, 16:46

General

  • Target

    e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe

  • Size

    513KB

  • MD5

    f32cbfaecc2e973799c7e8977a23fbc1

  • SHA1

    51a65b71f953c3e988f0a4a2d4e69ea6ca8b2b8f

  • SHA256

    e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305

  • SHA512

    85c3aea4fbca17e79833b33b73931b566b7d8ffa70318ac3c772054501105afd7bf659009b3c63550d8c9bcf803481e01341923071e2926c7bdc21b0ba9729c1

  • SSDEEP

    12288:DZ8M7gu9seB5mV+mMBYJf0hdrK8BnbPZl/xld44ILZn7EqhZ:DWM7gu9seB8gzBjde8BjZl/xTlIx

Malware Config

Signatures

  • MassLogger

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

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

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

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
  • Indicator Removal: File Deletion 1 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
    "C:\Users\Admin\AppData\Local\Temp\e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:5864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe'
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0qr2x2hm.hjs.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1504-12-0x0000000002B40000-0x0000000002B76000-memory.dmp

    Filesize

    216KB

  • memory/1504-29-0x0000000006580000-0x000000000659E000-memory.dmp

    Filesize

    120KB

  • memory/1504-37-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1504-34-0x0000000007550000-0x0000000007572000-memory.dmp

    Filesize

    136KB

  • memory/1504-33-0x00000000075F0000-0x0000000007686000-memory.dmp

    Filesize

    600KB

  • memory/1504-15-0x0000000005690000-0x0000000005CB8000-memory.dmp

    Filesize

    6.2MB

  • memory/1504-31-0x0000000007BD0000-0x000000000824A000-memory.dmp

    Filesize

    6.5MB

  • memory/1504-30-0x0000000006B30000-0x0000000006B7C000-memory.dmp

    Filesize

    304KB

  • memory/1504-14-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1504-16-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1504-23-0x0000000005E30000-0x0000000005E96000-memory.dmp

    Filesize

    408KB

  • memory/1504-17-0x0000000005630000-0x0000000005652000-memory.dmp

    Filesize

    136KB

  • memory/1504-24-0x0000000005F80000-0x00000000062D4000-memory.dmp

    Filesize

    3.3MB

  • memory/1504-32-0x0000000006A20000-0x0000000006A3A000-memory.dmp

    Filesize

    104KB

  • memory/5864-2-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5864-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

    Filesize

    4KB

  • memory/5864-13-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5864-1-0x0000000000550000-0x00000000005D6000-memory.dmp

    Filesize

    536KB

  • memory/5864-10-0x0000000006AA0000-0x0000000006B3C000-memory.dmp

    Filesize

    624KB

  • memory/5864-9-0x00000000068B0000-0x00000000068BA000-memory.dmp

    Filesize

    40KB

  • memory/5864-8-0x0000000006850000-0x00000000068A0000-memory.dmp

    Filesize

    320KB

  • memory/5864-7-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5864-6-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5864-5-0x0000000006140000-0x00000000061A6000-memory.dmp

    Filesize

    408KB

  • memory/5864-4-0x0000000005820000-0x0000000005DC4000-memory.dmp

    Filesize

    5.6MB

  • memory/5864-3-0x00000000051A0000-0x0000000005232000-memory.dmp

    Filesize

    584KB