Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 05:37

General

  • Target

    be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe

  • Size

    405KB

  • MD5

    7f0b1e2d00c4d53d30d18523137f6284

  • SHA1

    dc80c43d7ef3cf5964e9fc7fe07ae5a992fec439

  • SHA256

    be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196

  • SHA512

    bbde7c475223c70942aba0c1622cd473ae7d370781f3a9885400b66237f43fc79640bf26ae1e3d32ff1d328243cdf997536f1f8534b1503a3ccf5b727e4afa0c

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe
    "C:\Users\Admin\AppData\Local\Temp\be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\bajyy.exe "C:\Users\Admin\AppData\Local\Temp\be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:1728
      • C:\Users\Admin\AppData\Local\Temp\bajyy.exe
        C:\Users\Admin\AppData\Local\Temp\\bajyy.exe "C:\Users\Admin\AppData\Local\Temp\be17ed22dbc7afaf283dcdd1235556fe9422635211f1e877654ba5fdac6cb196.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1172
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\awaylwagf\wszqc.dll",Verify C:\Users\Admin\AppData\Local\Temp\bajyy.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2664

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \??\c:\Program Files\awaylwagf\wszqc.dll
    Filesize

    228KB

    MD5

    bcef9e9d53e192c90f7dab5e859c97ab

    SHA1

    c73419d2cc1b02bc192afcd53e08a8ed71d566e5

    SHA256

    db3e7ac6d8fac9732fe46a3bad6932fc2a629020a5e3254b9bfddc8c1fc8af47

    SHA512

    cc9feb3768532ee244b540eaa8a361d47ac9752379b6aeb6c710edec18718e8317bc23dd4a795f624ffad8560e99d87fe09912d7c47dbbef94d0ca09660edde4

  • \Users\Admin\AppData\Local\Temp\bajyy.exe
    Filesize

    405KB

    MD5

    802c559a7fb1354c822cc1ae0ed9ed0b

    SHA1

    0776ca3649f4d98e3ab251cc43a316ff1d81ce62

    SHA256

    1f123b15da0bdebf59c84755e559556902e9632f2b2cad36a502a1f5f82aa134

    SHA512

    0055f043f2d87ef34f0db647660d828db8bf7f5983a502693e525252f35e81a82b9a97449ca7c3c7b8b02e11e52f74db44eccf4d7086137cab6589bfa9594b5c

  • memory/1172-10-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1700-0-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/1700-2-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/2056-8-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/2056-7-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/2664-16-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

  • memory/2664-17-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

  • memory/2664-19-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB