Resubmissions

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

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240512-tqd3ysdh3t 10

10-05-2024 18:05

240510-wpghssdd27 10

10-05-2024 17:48

240510-wdyypscg56 10

Analysis

  • max time kernel
    1739s
  • max time network
    1168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 18:05

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

  • Detect ZGRat V1 1 IoCs
  • MassLogger

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

  • MassLogger Main payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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).

  • Creates scheduled task(s) 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6CCE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1924
    • C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3224

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

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\tmp6CCE.tmp
    Filesize

    1KB

    MD5

    b6cc63f35b201241632461017a524cd9

    SHA1

    162ea911dc6106fd1fa1a18203ae39cae45c8a57

    SHA256

    92a376decb23ef05edf513e67d5da455edf723b61b18cbc18a4e87cd205567f6

    SHA512

    080f1ef275fadfeacdfd1a1062e9616d19423f88135caef8c38ddb3ed7920303f34d63b856b2d2287f874d7cf673787fa1a07702fb3170236a9aa94804b2a577

  • memory/3224-45-0x0000000074840000-0x0000000074FF0000-memory.dmp
    Filesize

    7.7MB

  • memory/3224-34-0x00000000080B0000-0x0000000008100000-memory.dmp
    Filesize

    320KB

  • memory/3224-23-0x0000000074840000-0x0000000074FF0000-memory.dmp
    Filesize

    7.7MB

  • memory/3224-22-0x00000000056C0000-0x0000000005726000-memory.dmp
    Filesize

    408KB

  • memory/3224-20-0x0000000074840000-0x0000000074FF0000-memory.dmp
    Filesize

    7.7MB

  • memory/3224-18-0x0000000074840000-0x0000000074FF0000-memory.dmp
    Filesize

    7.7MB

  • memory/3224-19-0x00000000054D0000-0x0000000005514000-memory.dmp
    Filesize

    272KB

  • memory/3224-15-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/4600-5-0x0000000074840000-0x0000000074FF0000-memory.dmp
    Filesize

    7.7MB

  • memory/4600-11-0x0000000006200000-0x00000000062AE000-memory.dmp
    Filesize

    696KB

  • memory/4600-10-0x0000000005FE0000-0x000000000607C000-memory.dmp
    Filesize

    624KB

  • memory/4600-9-0x0000000074840000-0x0000000074FF0000-memory.dmp
    Filesize

    7.7MB

  • memory/4600-8-0x000000007484E000-0x000000007484F000-memory.dmp
    Filesize

    4KB

  • memory/4600-7-0x0000000006DA0000-0x0000000006DA8000-memory.dmp
    Filesize

    32KB

  • memory/4600-6-0x0000000005540000-0x000000000554A000-memory.dmp
    Filesize

    40KB

  • memory/4600-0-0x000000007484E000-0x000000007484F000-memory.dmp
    Filesize

    4KB

  • memory/4600-21-0x0000000074840000-0x0000000074FF0000-memory.dmp
    Filesize

    7.7MB

  • memory/4600-4-0x000000000ABC0000-0x000000000AC52000-memory.dmp
    Filesize

    584KB

  • memory/4600-3-0x000000000AFD0000-0x000000000B574000-memory.dmp
    Filesize

    5.6MB

  • memory/4600-2-0x0000000007760000-0x0000000007820000-memory.dmp
    Filesize

    768KB

  • memory/4600-1-0x0000000000800000-0x00000000008FC000-memory.dmp
    Filesize

    1008KB