Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2024 03:17

General

  • Target

    72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe

  • Size

    751KB

  • MD5

    9cc2315d58203686c68c13889ed991b7

  • SHA1

    f1d36a5fe6d583244a133b38dc9e3a211c0ab133

  • SHA256

    72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d

  • SHA512

    858a1451ef8ba49c48643a395315125445f656e60f6e7d1b53bf70afda78368445888722209196b53445dc74a428ae2c1fcdcce19ce9fb732aee214feadd6580

  • SSDEEP

    12288:mSqcMkzqHKMbzhV2eMKOgubfwNgxh30kzl7Q+ml+02C0Fon/XrA2Ua/IbRX/fheo:mETz87b4ZlDwNgxhThc3atFQ/dCXxr

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.coperwire.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    H,)c,gn[z3QW

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.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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
  • Looks up external IP address via web service 3 IoCs

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

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

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

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
    "C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5756
    • 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\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2356
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CxwaRYFFIhQpF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2164
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CxwaRYFFIhQpF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F80.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5296
    • C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
      "C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
      2⤵
        PID:4740
      • C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
        "C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4420

    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

      1b8e434d112d7d49e7b721279b534c7d

      SHA1

      6a6e6cad200972b3fcb1279277e5ff282e01a618

      SHA256

      94ce04ee677fbcb4ab8d9d1f6a5f36e4f0aa55a7f5c9b158472851789c1dec4b

      SHA512

      12ad859a4b64e1f3f747a3ed12bb8d3a1a9a6774a539a365d7731511106e2b1913668dac35198ca14bd00773fddcf8cf314074e49cb96921d1175cc00a7747e7

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v1joiu0r.d3t.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp7F80.tmp

      Filesize

      1KB

      MD5

      a86bc7faa87e1380a99c3a5ae8c30ba3

      SHA1

      593d6d4873a77cf0e7d6b9b0ca9b219bd4121409

      SHA256

      3eea8ee237e8f3b81c4a99cba0651a9da8e47d7f0b32e3f5d57d39c52f84ebfc

      SHA512

      182516b578cb2e67d3d5a6bb0ad2c0a5a52e2a03c27f5071af12f4835dbc9120976bd2fa476dad1b7e5a6c54bd4130184c45f25a1fac16a60983c372dc4886ee

    • memory/2164-55-0x00000000078D0000-0x0000000007902000-memory.dmp

      Filesize

      200KB

    • memory/2164-56-0x000000007F220000-0x000000007F230000-memory.dmp

      Filesize

      64KB

    • memory/2164-82-0x0000000007C70000-0x0000000007C8A000-memory.dmp

      Filesize

      104KB

    • memory/2164-69-0x0000000007910000-0x00000000079B3000-memory.dmp

      Filesize

      652KB

    • memory/2164-67-0x00000000078B0000-0x00000000078CE000-memory.dmp

      Filesize

      120KB

    • memory/2164-57-0x000000006FDE0000-0x000000006FE2C000-memory.dmp

      Filesize

      304KB

    • memory/2164-27-0x0000000005690000-0x00000000056A0000-memory.dmp

      Filesize

      64KB

    • memory/2164-85-0x0000000007E70000-0x0000000007E81000-memory.dmp

      Filesize

      68KB

    • memory/2164-50-0x00000000069D0000-0x0000000006A1C000-memory.dmp

      Filesize

      304KB

    • memory/2164-47-0x0000000006940000-0x000000000695E000-memory.dmp

      Filesize

      120KB

    • memory/2164-24-0x0000000005C10000-0x0000000005C76000-memory.dmp

      Filesize

      408KB

    • memory/2164-25-0x0000000005690000-0x00000000056A0000-memory.dmp

      Filesize

      64KB

    • memory/2164-20-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/2164-44-0x00000000064E0000-0x0000000006834000-memory.dmp

      Filesize

      3.3MB

    • memory/2164-89-0x0000000007F90000-0x0000000007F98000-memory.dmp

      Filesize

      32KB

    • memory/2164-96-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/2356-81-0x0000000007D80000-0x00000000083FA000-memory.dmp

      Filesize

      6.5MB

    • memory/2356-70-0x000000006FDE0000-0x000000006FE2C000-memory.dmp

      Filesize

      304KB

    • memory/2356-95-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/2356-21-0x0000000005450000-0x0000000005472000-memory.dmp

      Filesize

      136KB

    • memory/2356-19-0x0000000004F20000-0x0000000004F30000-memory.dmp

      Filesize

      64KB

    • memory/2356-17-0x0000000005560000-0x0000000005B88000-memory.dmp

      Filesize

      6.2MB

    • memory/2356-18-0x0000000004F20000-0x0000000004F30000-memory.dmp

      Filesize

      64KB

    • memory/2356-88-0x0000000007A80000-0x0000000007A9A000-memory.dmp

      Filesize

      104KB

    • memory/2356-87-0x0000000007980000-0x0000000007994000-memory.dmp

      Filesize

      80KB

    • memory/2356-86-0x0000000007970000-0x000000000797E000-memory.dmp

      Filesize

      56KB

    • memory/2356-16-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/2356-84-0x00000000079C0000-0x0000000007A56000-memory.dmp

      Filesize

      600KB

    • memory/2356-83-0x00000000077B0000-0x00000000077BA000-memory.dmp

      Filesize

      40KB

    • memory/2356-15-0x0000000004E50000-0x0000000004E86000-memory.dmp

      Filesize

      216KB

    • memory/2356-80-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/2356-26-0x0000000005E10000-0x0000000005E76000-memory.dmp

      Filesize

      408KB

    • memory/2356-68-0x000000007F9E0000-0x000000007F9F0000-memory.dmp

      Filesize

      64KB

    • memory/4420-54-0x0000000004F50000-0x0000000004F60000-memory.dmp

      Filesize

      64KB

    • memory/4420-100-0x0000000004F50000-0x0000000004F60000-memory.dmp

      Filesize

      64KB

    • memory/4420-99-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4420-98-0x0000000006650000-0x00000000066A0000-memory.dmp

      Filesize

      320KB

    • memory/4420-48-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4420-52-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/5756-6-0x0000000005BB0000-0x0000000005BC4000-memory.dmp

      Filesize

      80KB

    • memory/5756-3-0x0000000005930000-0x00000000059C2000-memory.dmp

      Filesize

      584KB

    • memory/5756-5-0x00000000059F0000-0x00000000059FA000-memory.dmp

      Filesize

      40KB

    • memory/5756-8-0x0000000005D90000-0x0000000005D9E000-memory.dmp

      Filesize

      56KB

    • memory/5756-0-0x0000000000E80000-0x0000000000F42000-memory.dmp

      Filesize

      776KB

    • memory/5756-49-0x0000000005A40000-0x0000000005A50000-memory.dmp

      Filesize

      64KB

    • memory/5756-4-0x0000000005A40000-0x0000000005A50000-memory.dmp

      Filesize

      64KB

    • memory/5756-53-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/5756-22-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/5756-2-0x0000000005E20000-0x00000000063C4000-memory.dmp

      Filesize

      5.6MB

    • memory/5756-1-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/5756-10-0x0000000009740000-0x00000000097DC000-memory.dmp

      Filesize

      624KB

    • memory/5756-9-0x00000000070D0000-0x000000000715A000-memory.dmp

      Filesize

      552KB

    • memory/5756-7-0x0000000005D80000-0x0000000005D8A000-memory.dmp

      Filesize

      40KB