Analysis

  • max time kernel
    145s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 19:34

General

  • Target

    QUOTATION UPDATED.exe

  • Size

    776KB

  • MD5

    a764e65cdd09df4df3168ebbe6a5bcd7

  • SHA1

    47cb387c38f5c3bf3ea6eccf0afffaa02aa2788c

  • SHA256

    de1f13055e11a5175a5401b2f765228a9e61e196cbc60c1417906bfe9f4ce688

  • SHA512

    4aaa8ea703e70729944a4831d7b3278284e04d4558b7c2015beb44f97a46508a6fb6ea07e01396e6ab1604ef57d603aae3ac351e851df0e7e7998cf593c25d33

  • SSDEEP

    12288:MG1XhkZ5EG92iQsbb0nkuwuSctiIf2Fi8Rp3yLMkM7ojSDWPz/8CS/ETuGq:MgK/JjQs30nVwjAiIf+3yLNM75gIFy

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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION UPDATED.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION UPDATED.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1528
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 2024
          3⤵
          • Program crash
          PID:908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1780 -ip 1780
      1⤵
        PID:2832
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:4084
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4736

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

          Filesize

          16KB

          MD5

          cdbb1b36f736250a4ebd752b05fbd429

          SHA1

          12fe6cbb9797eb78951912a5334c2cb0807e5774

          SHA256

          90dfc1a338572a36ff2dc7946425967fc84765e1b3c529f92a005d5a09f8e15d

          SHA512

          72877d6c97f1e9a0bf983edfdbc186b21df08db1377fddc98a1068debfda30555970c301555349cfe56ba0e2fa0409983e3ce04eb10cf356181108362644fb1a

        • memory/1780-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1780-17-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/1780-16-0x0000000004DF0000-0x0000000004E56000-memory.dmp

          Filesize

          408KB

        • memory/1780-14-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

          Filesize

          64KB

        • memory/1780-13-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/4736-61-0x0000028E5D4D0000-0x0000028E5D4D1000-memory.dmp

          Filesize

          4KB

        • memory/4736-62-0x0000028E5D4C0000-0x0000028E5D4C1000-memory.dmp

          Filesize

          4KB

        • memory/4736-86-0x0000028E5D720000-0x0000028E5D721000-memory.dmp

          Filesize

          4KB

        • memory/4736-85-0x0000028E5D610000-0x0000028E5D611000-memory.dmp

          Filesize

          4KB

        • memory/4736-84-0x0000028E5D610000-0x0000028E5D611000-memory.dmp

          Filesize

          4KB

        • memory/4736-82-0x0000028E5D600000-0x0000028E5D601000-memory.dmp

          Filesize

          4KB

        • memory/4736-70-0x0000028E5D400000-0x0000028E5D401000-memory.dmp

          Filesize

          4KB

        • memory/4736-67-0x0000028E5D4C0000-0x0000028E5D4C1000-memory.dmp

          Filesize

          4KB

        • memory/4736-64-0x0000028E5D4D0000-0x0000028E5D4D1000-memory.dmp

          Filesize

          4KB

        • memory/4736-60-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-59-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-18-0x0000028E55190000-0x0000028E551A0000-memory.dmp

          Filesize

          64KB

        • memory/4736-34-0x0000028E55290000-0x0000028E552A0000-memory.dmp

          Filesize

          64KB

        • memory/4736-50-0x0000028E5D880000-0x0000028E5D881000-memory.dmp

          Filesize

          4KB

        • memory/4736-51-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-52-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-53-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-54-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-55-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-56-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-57-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4736-58-0x0000028E5D8A0000-0x0000028E5D8A1000-memory.dmp

          Filesize

          4KB

        • memory/4828-2-0x0000000005290000-0x0000000005834000-memory.dmp

          Filesize

          5.6MB

        • memory/4828-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

          Filesize

          584KB

        • memory/4828-0-0x0000000000240000-0x0000000000308000-memory.dmp

          Filesize

          800KB

        • memory/4828-7-0x0000000005270000-0x0000000005278000-memory.dmp

          Filesize

          32KB

        • memory/4828-4-0x0000000004E90000-0x0000000004EA0000-memory.dmp

          Filesize

          64KB

        • memory/4828-15-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/4828-5-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

          Filesize

          40KB

        • memory/4828-1-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/4828-6-0x0000000005090000-0x00000000050AA000-memory.dmp

          Filesize

          104KB

        • memory/4828-10-0x0000000008D30000-0x0000000008DCC000-memory.dmp

          Filesize

          624KB

        • memory/4828-9-0x00000000079F0000-0x0000000007A6A000-memory.dmp

          Filesize

          488KB

        • memory/4828-8-0x0000000005F40000-0x0000000005F4A000-memory.dmp

          Filesize

          40KB