Resubmissions

03-09-2024 14:02

240903-rb57sazdqf 10

03-09-2024 13:51

240903-q59avszclf 10

02-09-2024 19:51

240902-yk8gtsxbpd 10

02-09-2024 02:27

240902-cxh7tazflg 10

02-09-2024 02:26

240902-cwxc2sygll 10

21-06-2024 19:37

240621-yca7cszgnd 10

09-06-2024 17:07

240609-vm7rjadd73 10

13-05-2024 17:36

240513-v6qblafe3y 10

12-05-2024 17:17

240512-vty3zafh5s 10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-09-2024 19:51

General

  • Target

    Stealers/Masslogger/mouse_2.exe

  • Size

    984KB

  • MD5

    af8ab92992ccc4cc6a637953836edf93

  • SHA1

    ac17c77cae31fdfeb618b0083285ba869baf29fc

  • SHA256

    03968a3a5a7a880feefca31686fcfbed445080a0c06eda2b6d623757179b782c

  • SHA512

    9dc3bdfe45f9333d62ef3b0aaf3860a9ef1e94ced02ed0437d3ac2f96b3b9aacf6e621703f13d62f356bd50dec84cc3a3dc787a8a14c9ce0ceeed9ff63c45ad2

  • SSDEEP

    24576:iNg+tKkEYA7Gmvv/HGsvPw9vz/DrELE7VUH:0g4K7YA7vvRMbcLa

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.

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Checks computer location settings 2 TTPs 2 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 18 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 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\Stealers\Masslogger\mouse_2.exe
    "C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.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:1076
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9527.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:924
    • C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.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
      • outlook_office_path
      • outlook_win_path
      PID:4648
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\mouse_2.exe.log

    Filesize

    1KB

    MD5

    400f1cc1a0a0ce1cdabda365ab3368ce

    SHA1

    1ecf683f14271d84f3b6063493dce00ff5f42075

    SHA256

    c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

    SHA512

    14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

  • C:\Users\Admin\AppData\Local\Temp\tmp9527.tmp

    Filesize

    1KB

    MD5

    8e2c3513989b98ecd19eba32599c9d96

    SHA1

    77a380041ee111953163174b51282d937445a6b1

    SHA256

    b0bf3d7fa10d37b9739368ba9d874261457d652b13550d1a184e38543be63dfb

    SHA512

    872c51c433cd170c974a68123c1cf28dc1915dbb384d447498e831cbe9a9c57b63d1d597dc5dc51a1ee280a8a038a806dd8e0060fd1efb42d32d2a535fe52edb

  • memory/1076-8-0x000000007506E000-0x000000007506F000-memory.dmp

    Filesize

    4KB

  • memory/1076-11-0x0000000006FF0000-0x000000000709E000-memory.dmp

    Filesize

    696KB

  • memory/1076-5-0x000000000B040000-0x000000000B0D2000-memory.dmp

    Filesize

    584KB

  • memory/1076-4-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/1076-6-0x0000000003290000-0x000000000329A000-memory.dmp

    Filesize

    40KB

  • memory/1076-7-0x0000000006DC0000-0x0000000006DC8000-memory.dmp

    Filesize

    32KB

  • memory/1076-2-0x0000000007BE0000-0x0000000007CA0000-memory.dmp

    Filesize

    768KB

  • memory/1076-9-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/1076-10-0x0000000006DD0000-0x0000000006E6C000-memory.dmp

    Filesize

    624KB

  • memory/1076-3-0x000000000B450000-0x000000000B9F4000-memory.dmp

    Filesize

    5.6MB

  • memory/1076-1-0x0000000000BB0000-0x0000000000CAC000-memory.dmp

    Filesize

    1008KB

  • memory/1076-31-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/1076-0-0x000000007506E000-0x000000007506F000-memory.dmp

    Filesize

    4KB

  • memory/4648-32-0x00000000051C0000-0x0000000005204000-memory.dmp

    Filesize

    272KB

  • memory/4648-33-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/4648-44-0x00000000076D0000-0x0000000007720000-memory.dmp

    Filesize

    320KB

  • memory/4648-28-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/4660-12-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-21-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-19-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-22-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-23-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-24-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-20-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-18-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-13-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB

  • memory/4660-14-0x000001D742C80000-0x000001D742C81000-memory.dmp

    Filesize

    4KB