Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 07:43

General

  • Target

    Purchase Order.5643.exe

  • Size

    1.5MB

  • MD5

    ea2d5c4a8b18baa2b176bcf1081ed78f

  • SHA1

    3cd6d04fc855d0363552c2819b5494c3099256dc

  • SHA256

    d5733b86891cf1507cbbc97b0cef0280175d40bf946eea3d302ec19d6ed38369

  • SHA512

    af0dfc8df6fbf60a28b0ce6d5c1f2de09dd2490b1827f1dd087e6e7afc75e5f00de219f69a954fd8338b3a24551dc2477fc28eb23e0213cb92b1c10afda2c2ec

  • SSDEEP

    24576:aWaS+JEfphxW553sSntC6s+6qbU0saooQaPSMdLAWqY8fWFEIJ3VUPvymws5IgZs:WS+axysYC6syUkoPaPS2AJNyxUP+Mk

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order.5643.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order.5643.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2648

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          e88b73b7b97010214de98305869bacf3

          SHA1

          c3390a448d777bcbe90afc2b0789179cbe8d988f

          SHA256

          22706205f066c8a90703cefbcab706988437fb9807a9d96ab74261ec154ba9aa

          SHA512

          ddba48f44f11fa585dc9ffb6fc524511672d5e0d300eafa55eed350c1010ce2e5fca74161c511d22b72ee8763cea9a16bd5b5815add2cda3efd5470553d52f2b

        • C:\Users\Admin\AppData\Local\Temp\Cab1F74.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar1FF4.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • memory/2648-412-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2648-414-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2648-417-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3052-59-0x0000000004370000-0x0000000004378000-memory.dmp

          Filesize

          32KB

        • memory/3052-54-0x0000000004A80000-0x0000000004A88000-memory.dmp

          Filesize

          32KB

        • memory/3052-4-0x0000000000660000-0x000000000067A000-memory.dmp

          Filesize

          104KB

        • memory/3052-3-0x00000000004F0000-0x00000000004F8000-memory.dmp

          Filesize

          32KB

        • memory/3052-5-0x0000000001EA0000-0x0000000001EAA000-memory.dmp

          Filesize

          40KB

        • memory/3052-6-0x0000000004290000-0x000000000430E000-memory.dmp

          Filesize

          504KB

        • memory/3052-8-0x0000000004290000-0x00000000042A2000-memory.dmp

          Filesize

          72KB

        • memory/3052-7-0x0000000004290000-0x00000000042A8000-memory.dmp

          Filesize

          96KB

        • memory/3052-9-0x00000000042B0000-0x00000000042C2000-memory.dmp

          Filesize

          72KB

        • memory/3052-11-0x0000000004290000-0x00000000042A8000-memory.dmp

          Filesize

          96KB

        • memory/3052-12-0x0000000004AD0000-0x0000000004C2A000-memory.dmp

          Filesize

          1.4MB

        • memory/3052-14-0x0000000004290000-0x00000000042AA000-memory.dmp

          Filesize

          104KB

        • memory/3052-20-0x00000000042D0000-0x0000000004300000-memory.dmp

          Filesize

          192KB

        • memory/3052-24-0x00000000042D0000-0x00000000042F0000-memory.dmp

          Filesize

          128KB

        • memory/3052-23-0x00000000042D0000-0x0000000004330000-memory.dmp

          Filesize

          384KB

        • memory/3052-25-0x0000000004F50000-0x0000000005219000-memory.dmp

          Filesize

          2.8MB

        • memory/3052-28-0x0000000004AD0000-0x0000000004B4C000-memory.dmp

          Filesize

          496KB

        • memory/3052-29-0x0000000004B50000-0x0000000004BCC000-memory.dmp

          Filesize

          496KB

        • memory/3052-37-0x0000000004A50000-0x0000000004A72000-memory.dmp

          Filesize

          136KB

        • memory/3052-36-0x0000000004370000-0x0000000004392000-memory.dmp

          Filesize

          136KB

        • memory/3052-42-0x0000000004830000-0x0000000004850000-memory.dmp

          Filesize

          128KB

        • memory/3052-43-0x0000000004F50000-0x0000000005000000-memory.dmp

          Filesize

          704KB

        • memory/3052-45-0x0000000004370000-0x0000000004392000-memory.dmp

          Filesize

          136KB

        • memory/3052-51-0x0000000004370000-0x0000000004378000-memory.dmp

          Filesize

          32KB

        • memory/3052-61-0x0000000004B00000-0x0000000004B4A000-memory.dmp

          Filesize

          296KB

        • memory/3052-63-0x0000000004B00000-0x0000000004B20000-memory.dmp

          Filesize

          128KB

        • memory/3052-62-0x0000000004370000-0x0000000004380000-memory.dmp

          Filesize

          64KB

        • memory/3052-60-0x0000000004AF0000-0x0000000004AF8000-memory.dmp

          Filesize

          32KB

        • memory/3052-1-0x0000000074140000-0x000000007482E000-memory.dmp

          Filesize

          6.9MB

        • memory/3052-58-0x0000000004AE0000-0x0000000004AE8000-memory.dmp

          Filesize

          32KB

        • memory/3052-2-0x0000000004C30000-0x0000000004C70000-memory.dmp

          Filesize

          256KB

        • memory/3052-57-0x0000000004370000-0x0000000004378000-memory.dmp

          Filesize

          32KB

        • memory/3052-46-0x0000000005150000-0x0000000005358000-memory.dmp

          Filesize

          2.0MB

        • memory/3052-56-0x0000000004AD0000-0x0000000004AD8000-memory.dmp

          Filesize

          32KB

        • memory/3052-53-0x0000000004370000-0x0000000004378000-memory.dmp

          Filesize

          32KB

        • memory/3052-52-0x0000000004390000-0x0000000004398000-memory.dmp

          Filesize

          32KB

        • memory/3052-50-0x0000000004380000-0x0000000004388000-memory.dmp

          Filesize

          32KB

        • memory/3052-49-0x0000000004370000-0x0000000004378000-memory.dmp

          Filesize

          32KB

        • memory/3052-48-0x0000000004370000-0x000000000439A000-memory.dmp

          Filesize

          168KB

        • memory/3052-47-0x0000000004370000-0x0000000004380000-memory.dmp

          Filesize

          64KB

        • memory/3052-55-0x0000000004370000-0x0000000004378000-memory.dmp

          Filesize

          32KB

        • memory/3052-44-0x0000000004F50000-0x00000000050C6000-memory.dmp

          Filesize

          1.5MB

        • memory/3052-41-0x0000000004370000-0x0000000004390000-memory.dmp

          Filesize

          128KB

        • memory/3052-40-0x0000000004370000-0x0000000004382000-memory.dmp

          Filesize

          72KB

        • memory/3052-39-0x0000000004370000-0x000000000438A000-memory.dmp

          Filesize

          104KB

        • memory/3052-38-0x0000000005150000-0x00000000056B2000-memory.dmp

          Filesize

          5.4MB

        • memory/3052-35-0x0000000004360000-0x0000000004368000-memory.dmp

          Filesize

          32KB

        • memory/3052-34-0x0000000004320000-0x0000000004328000-memory.dmp

          Filesize

          32KB

        • memory/3052-33-0x0000000004350000-0x000000000435E000-memory.dmp

          Filesize

          56KB

        • memory/3052-32-0x0000000004320000-0x000000000432E000-memory.dmp

          Filesize

          56KB

        • memory/3052-31-0x0000000004320000-0x0000000004328000-memory.dmp

          Filesize

          32KB

        • memory/3052-30-0x0000000004F50000-0x0000000004FEC000-memory.dmp

          Filesize

          624KB

        • memory/3052-27-0x0000000004330000-0x000000000434E000-memory.dmp

          Filesize

          120KB

        • memory/3052-26-0x0000000004310000-0x000000000432E000-memory.dmp

          Filesize

          120KB

        • memory/3052-22-0x0000000004770000-0x000000000482A000-memory.dmp

          Filesize

          744KB

        • memory/3052-21-0x00000000042D0000-0x000000000438A000-memory.dmp

          Filesize

          744KB

        • memory/3052-19-0x00000000042A0000-0x00000000042B0000-memory.dmp

          Filesize

          64KB

        • memory/3052-18-0x0000000004290000-0x00000000042A0000-memory.dmp

          Filesize

          64KB

        • memory/3052-0-0x0000000000220000-0x00000000003B0000-memory.dmp

          Filesize

          1.6MB

        • memory/3052-17-0x00000000042D0000-0x0000000004346000-memory.dmp

          Filesize

          472KB

        • memory/3052-16-0x00000000042D0000-0x0000000004314000-memory.dmp

          Filesize

          272KB

        • memory/3052-15-0x0000000004950000-0x0000000004A72000-memory.dmp

          Filesize

          1.1MB

        • memory/3052-13-0x00000000042D0000-0x0000000004374000-memory.dmp

          Filesize

          656KB

        • memory/3052-10-0x0000000004290000-0x00000000042A0000-memory.dmp

          Filesize

          64KB