Analysis

  • max time kernel
    153s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2022, 07:58

General

  • Target
    PO 28600.exe
  • Size 665KB
  • Sample220801-jttygaeca2
  • SHA256 b9f03efb1bd75e69ea854f15bb0bffc77d8fd67af95daca3b4b7f709ea7441da
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\PO 28600.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 28600.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Users\Admin\AppData\Local\Temp\PO 28600.exe
        "C:\Users\Admin\AppData\Local\Temp\PO 28600.exe"
        3⤵
          PID:4612
        • C:\Users\Admin\AppData\Local\Temp\PO 28600.exe
          "C:\Users\Admin\AppData\Local\Temp\PO 28600.exe"
          3⤵
            PID:4844
          • C:\Users\Admin\AppData\Local\Temp\PO 28600.exe
            "C:\Users\Admin\AppData\Local\Temp\PO 28600.exe"
            3⤵
            • Checks computer location settings
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:2464
        • C:\Windows\SysWOW64\cscript.exe
          "C:\Windows\SysWOW64\cscript.exe"
          2⤵
          • Blocklisted process makes network request
          • Suspicious use of SetThreadContext
          • Modifies Internet Explorer settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4528
          • C:\Program Files\Mozilla Firefox\Firefox.exe
            "C:\Program Files\Mozilla Firefox\Firefox.exe"
            3⤵
              PID:4948

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/2328-130-0x0000000000040000-0x00000000000EC000-memory.dmp

              memory/2328-131-0x0000000004E90000-0x0000000005434000-memory.dmp

              memory/2328-132-0x0000000004980000-0x0000000004A12000-memory.dmp

              memory/2328-133-0x0000000004A30000-0x0000000004A3A000-memory.dmp

              memory/2328-134-0x000000000AAB0000-0x000000000AB4C000-memory.dmp

              memory/2328-135-0x000000000AB50000-0x000000000ABB6000-memory.dmp

              memory/2464-140-0x0000000001680000-0x00000000019CA000-memory.dmp

              memory/2464-145-0x0000000000400000-0x000000000042D000-memory.dmp

              memory/2464-139-0x0000000000400000-0x000000000042D000-memory.dmp

              memory/2464-142-0x0000000001640000-0x0000000001651000-memory.dmp

              memory/3020-152-0x0000000007FF0000-0x000000000815B000-memory.dmp

              memory/3020-150-0x0000000007FF0000-0x000000000815B000-memory.dmp

              memory/3020-143-0x0000000007E40000-0x0000000007F93000-memory.dmp

              memory/4528-146-0x0000000000490000-0x00000000004B7000-memory.dmp

              memory/4528-147-0x0000000003430000-0x000000000377A000-memory.dmp

              memory/4528-148-0x0000000001350000-0x000000000137D000-memory.dmp

              memory/4528-149-0x0000000003310000-0x00000000033A0000-memory.dmp

              memory/4528-151-0x0000000001350000-0x000000000137D000-memory.dmp