Analysis

  • max time kernel
    67s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2023 09:41

General

  • Target

    payment overdue (2).exe

  • Size

    837KB

  • MD5

    13e7ae190b0ab1250c199ac339217231

  • SHA1

    625b25670a86a8b9a7808d226919dec2a224339f

  • SHA256

    951f66b51f796de5f9298aa1f97c49e392083f6b570fb31df72610999fb50769

  • SHA512

    4eda095b17e782f4cc8ed58379d1787928e4fb32899069c48fbddc972e203c61cb93d9ffd1d7fb5220c7da3614814a75f7f42068480d707f60f1a8f11a2e438e

  • SSDEEP

    12288:yvmSJD+IFgicSDKNfGAIko3cajHh84/dUNMgBe9+hXpKm0qE+Fq:YmSJD1ZctNbIko3c684KiKhXQ2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment overdue (2).exe
    "C:\Users\Admin\AppData\Local\Temp\payment overdue (2).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\payment overdue (2).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:60
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fiozYLdPAfrHi.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3068
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fiozYLdPAfrHi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88D7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1744
    • 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:4284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 1424
        3⤵
        • Program crash
        PID:1116
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4284 -ip 4284
    1⤵
      PID:4120

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      17f282aa379f6a22f2e982d19e216a0f

      SHA1

      aeb0648455e46a155c53b7d239f7fb03644c520d

      SHA256

      e6a779a88e62bfbdde9ab05c100e229f4becca29228725eda2ad5746836af5cc

      SHA512

      c6016c9bde7a8358cd7fb1734e904b2b777965a35a1a6cb8ed97a7645f2490baa2c39719fa4b8bef7efe9f75d26ec3012f36c3149d64fb6e4d9418e88874e59f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g02sz1ky.vv5.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp88D7.tmp

      Filesize

      1KB

      MD5

      d25f8854ee030472a6220361cc8d2680

      SHA1

      4e28c67d6cef780cb67e15b11bef26201f9c3e47

      SHA256

      38b0cc39eeed9dab9e59795ba4db4fe2e3fd377d3f8fa6d5efc890f9c05eacdc

      SHA512

      c16415d0cbb01db124ec10f5e2c1acf3d5837bcb9979900140c90574b2515c9219d32baef8d22265dbb93acf362deb3dd96d8d71540536c758587353cf7b9c41

    • memory/60-78-0x0000000004970000-0x0000000004980000-memory.dmp

      Filesize

      64KB

    • memory/60-53-0x0000000005D00000-0x0000000005D4C000-memory.dmp

      Filesize

      304KB

    • memory/60-52-0x0000000005CB0000-0x0000000005CCE000-memory.dmp

      Filesize

      120KB

    • memory/60-95-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/60-88-0x0000000007310000-0x000000000732A000-memory.dmp

      Filesize

      104KB

    • memory/60-85-0x00000000071E0000-0x00000000071F1000-memory.dmp

      Filesize

      68KB

    • memory/60-84-0x0000000007270000-0x0000000007306000-memory.dmp

      Filesize

      600KB

    • memory/60-15-0x0000000002390000-0x00000000023C6000-memory.dmp

      Filesize

      216KB

    • memory/60-16-0x0000000004FB0000-0x00000000055D8000-memory.dmp

      Filesize

      6.2MB

    • memory/60-18-0x0000000004970000-0x0000000004980000-memory.dmp

      Filesize

      64KB

    • memory/60-17-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/60-19-0x0000000004970000-0x0000000004980000-memory.dmp

      Filesize

      64KB

    • memory/60-81-0x0000000007640000-0x0000000007CBA000-memory.dmp

      Filesize

      6.5MB

    • memory/60-79-0x0000000006CA0000-0x0000000006D43000-memory.dmp

      Filesize

      652KB

    • memory/60-66-0x0000000006C80000-0x0000000006C9E000-memory.dmp

      Filesize

      120KB

    • memory/60-22-0x0000000004DF0000-0x0000000004E12000-memory.dmp

      Filesize

      136KB

    • memory/60-68-0x000000007FA00000-0x000000007FA10000-memory.dmp

      Filesize

      64KB

    • memory/60-55-0x0000000071030000-0x000000007107C000-memory.dmp

      Filesize

      304KB

    • memory/3068-82-0x00000000075F0000-0x000000000760A000-memory.dmp

      Filesize

      104KB

    • memory/3068-87-0x0000000007830000-0x0000000007844000-memory.dmp

      Filesize

      80KB

    • memory/3068-89-0x0000000007910000-0x0000000007918000-memory.dmp

      Filesize

      32KB

    • memory/3068-26-0x0000000005660000-0x00000000056C6000-memory.dmp

      Filesize

      408KB

    • memory/3068-43-0x0000000005DE0000-0x0000000006134000-memory.dmp

      Filesize

      3.3MB

    • memory/3068-86-0x0000000007820000-0x000000000782E000-memory.dmp

      Filesize

      56KB

    • memory/3068-27-0x0000000005170000-0x0000000005180000-memory.dmp

      Filesize

      64KB

    • memory/3068-83-0x0000000007660000-0x000000000766A000-memory.dmp

      Filesize

      40KB

    • memory/3068-96-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-80-0x0000000005170000-0x0000000005180000-memory.dmp

      Filesize

      64KB

    • memory/3068-56-0x000000007F2C0000-0x000000007F2D0000-memory.dmp

      Filesize

      64KB

    • memory/3068-25-0x0000000005170000-0x0000000005180000-memory.dmp

      Filesize

      64KB

    • memory/3068-54-0x0000000006870000-0x00000000068A2000-memory.dmp

      Filesize

      200KB

    • memory/3068-24-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-23-0x00000000054C0000-0x0000000005526000-memory.dmp

      Filesize

      408KB

    • memory/3068-67-0x0000000071030000-0x000000007107C000-memory.dmp

      Filesize

      304KB

    • memory/3840-48-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

      Filesize

      64KB

    • memory/3840-21-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/3840-4-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

      Filesize

      64KB

    • memory/3840-5-0x0000000004D00000-0x0000000004D0A000-memory.dmp

      Filesize

      40KB

    • memory/3840-6-0x0000000004E70000-0x0000000004E86000-memory.dmp

      Filesize

      88KB

    • memory/3840-10-0x0000000008BC0000-0x0000000008C5C000-memory.dmp

      Filesize

      624KB

    • memory/3840-7-0x0000000004E90000-0x0000000004E98000-memory.dmp

      Filesize

      32KB

    • memory/3840-8-0x0000000004E80000-0x0000000004E8A000-memory.dmp

      Filesize

      40KB

    • memory/3840-0-0x00000000003C0000-0x0000000000496000-memory.dmp

      Filesize

      856KB

    • memory/3840-50-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/3840-9-0x00000000060B0000-0x000000000612A000-memory.dmp

      Filesize

      488KB

    • memory/3840-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp

      Filesize

      584KB

    • memory/3840-2-0x0000000005270000-0x0000000005814000-memory.dmp

      Filesize

      5.6MB

    • memory/3840-1-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/4284-51-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/4284-33-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4284-97-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB