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

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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
    94s
  • max time network
    96s
  • 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 17:48

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:4940
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F89.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4004
    • 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:868

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\tmp8F89.tmp
    Filesize

    1KB

    MD5

    2053bc37c3c7be4c8e71ebb1da860d86

    SHA1

    9e910f7bea692ea47fc1af100165d946a6fbb430

    SHA256

    ffd2a1810935608fe4e16e7f5d0f5204ccf1d2e9ddf10cd9e40ee2844b1355ec

    SHA512

    cf0839f74a5ea730f3726a79d2598377bf3aa221b53343eaabfee8ad104dd574e587231f9e3bd345789f5b374706e31ca77a96d7100032a4435793d9d5bd10c7

  • memory/868-46-0x0000000074EA0000-0x0000000075650000-memory.dmp
    Filesize

    7.7MB

  • memory/868-35-0x0000000074EA0000-0x0000000075650000-memory.dmp
    Filesize

    7.7MB

  • memory/868-34-0x0000000007EC0000-0x0000000007F10000-memory.dmp
    Filesize

    320KB

  • memory/868-23-0x0000000074EA0000-0x0000000075650000-memory.dmp
    Filesize

    7.7MB

  • memory/868-22-0x00000000054A0000-0x0000000005506000-memory.dmp
    Filesize

    408KB

  • memory/868-21-0x0000000074EA0000-0x0000000075650000-memory.dmp
    Filesize

    7.7MB

  • memory/868-19-0x0000000074EA0000-0x0000000075650000-memory.dmp
    Filesize

    7.7MB

  • memory/868-18-0x00000000052A0000-0x00000000052E4000-memory.dmp
    Filesize

    272KB

  • memory/868-15-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/4940-6-0x0000000005550000-0x000000000555A000-memory.dmp
    Filesize

    40KB

  • memory/4940-11-0x0000000006C60000-0x0000000006D0E000-memory.dmp
    Filesize

    696KB

  • memory/4940-10-0x0000000006A50000-0x0000000006AEC000-memory.dmp
    Filesize

    624KB

  • memory/4940-9-0x0000000074EA0000-0x0000000075650000-memory.dmp
    Filesize

    7.7MB

  • memory/4940-8-0x0000000074EAE000-0x0000000074EAF000-memory.dmp
    Filesize

    4KB

  • memory/4940-7-0x0000000006370000-0x0000000006378000-memory.dmp
    Filesize

    32KB

  • memory/4940-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp
    Filesize

    4KB

  • memory/4940-20-0x0000000074EA0000-0x0000000075650000-memory.dmp
    Filesize

    7.7MB

  • memory/4940-5-0x000000000AC20000-0x000000000ACB2000-memory.dmp
    Filesize

    584KB

  • memory/4940-4-0x0000000074EA0000-0x0000000075650000-memory.dmp
    Filesize

    7.7MB

  • memory/4940-3-0x000000000B030000-0x000000000B5D4000-memory.dmp
    Filesize

    5.6MB

  • memory/4940-2-0x00000000077C0000-0x0000000007880000-memory.dmp
    Filesize

    768KB

  • memory/4940-1-0x0000000000810000-0x000000000090C000-memory.dmp
    Filesize

    1008KB