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Analysis

  • max time kernel
    138s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/05/2024, 13:29

General

  • Target

    Approved E-DO PDF.exe

  • Size

    698KB

  • MD5

    ccd1edccbd14c9c0245099ac2920be83

  • SHA1

    77a57f47e0660da5a2a1969392cf0aa962c5eed8

  • SHA256

    56f69825010da76642ee25cf55098c51f6ded6f6fe2718b6c69c1c4b74b57c65

  • SHA512

    af3b651c6cbd0752b001264b0ecbf7f254af2ae832b9d862f99b5fa818f540254c878b7b64d0f422e12029890584094fef73cf56c1ed5aa82dfe1e2fd77a0c47

  • SSDEEP

    12288:JO3/T3/fVrTtK3/y32K4J8wqCfqIP5Otr7VnYixibuRtgiTn+aEoQG527KCHftop:srXVrTtKqmfqClP5OVdY0iqRKuEG52er

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cojosem.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ZARHLOULBOSS123

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Approved E-DO PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Approved E-DO PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2868
    • 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\Approved E-DO PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IPKNiuIoxa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IPKNiuIoxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6428.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:556
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    4680bc763a9d43d6bba30cc17fcc04fe

    SHA1

    214aadf9e4c3e9e5e13d37f388b59595ef5c6ed9

    SHA256

    3a5fa6f6bba606f0c353913f1c272e0a82df58e7d9b6387832560e5f26cd9cf5

    SHA512

    0d16d3079d1913e0358551ddd3d0d0ea30af82149d2cda30de533803d0617686232c61e50c52ca1d30823ce8e12b80a6194f90680197dd892b6d1c2e822cebab

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nrr1zqqj.oor.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6428.tmp

    Filesize

    1KB

    MD5

    c06d6ceab1764e0fbb52c2c992e2a478

    SHA1

    6771b45ab70d9d690f3c2b49c163a0785b8ce8c5

    SHA256

    6defe8584bac9612f980cced6f2f5446ea3314453e3b970af7c8ccf8d6b5df74

    SHA512

    86bd08b628ac7d62420b2e28aae478ad425be711a19ac413121d78b3aede1efab1b00a9b61c9096c5acfc782a865027eb46c17e53dd249aa873ff663a9f9a8f8

  • memory/2780-28-0x0000000006290000-0x00000000065E4000-memory.dmp

    Filesize

    3.3MB

  • memory/2780-77-0x0000000007DE0000-0x0000000007E76000-memory.dmp

    Filesize

    600KB

  • memory/2780-86-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-61-0x00000000079A0000-0x00000000079BE000-memory.dmp

    Filesize

    120KB

  • memory/2780-79-0x0000000007D90000-0x0000000007D9E000-memory.dmp

    Filesize

    56KB

  • memory/2780-78-0x0000000007D60000-0x0000000007D71000-memory.dmp

    Filesize

    68KB

  • memory/2780-14-0x0000000005270000-0x00000000052A6000-memory.dmp

    Filesize

    216KB

  • memory/2780-15-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-16-0x0000000005920000-0x0000000005F48000-memory.dmp

    Filesize

    6.2MB

  • memory/2780-17-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-18-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-51-0x0000000070480000-0x00000000704CC000-memory.dmp

    Filesize

    304KB

  • memory/2780-75-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

    Filesize

    40KB

  • memory/2780-24-0x0000000006100000-0x0000000006166000-memory.dmp

    Filesize

    408KB

  • memory/2780-25-0x0000000006220000-0x0000000006286000-memory.dmp

    Filesize

    408KB

  • memory/2780-50-0x00000000079C0000-0x00000000079F2000-memory.dmp

    Filesize

    200KB

  • memory/2780-21-0x0000000005890000-0x00000000058B2000-memory.dmp

    Filesize

    136KB

  • memory/2780-73-0x00000000081A0000-0x000000000881A000-memory.dmp

    Filesize

    6.5MB

  • memory/2780-74-0x0000000007B60000-0x0000000007B7A000-memory.dmp

    Filesize

    104KB

  • memory/2780-72-0x0000000007A10000-0x0000000007AB3000-memory.dmp

    Filesize

    652KB

  • memory/2852-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2852-83-0x0000000006800000-0x0000000006850000-memory.dmp

    Filesize

    320KB

  • memory/2868-4-0x0000000005890000-0x000000000589A000-memory.dmp

    Filesize

    40KB

  • memory/2868-7-0x0000000005960000-0x0000000005976000-memory.dmp

    Filesize

    88KB

  • memory/2868-27-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2868-1-0x0000000000C50000-0x0000000000D04000-memory.dmp

    Filesize

    720KB

  • memory/2868-5-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2868-2-0x0000000005B90000-0x0000000006134000-memory.dmp

    Filesize

    5.6MB

  • memory/2868-6-0x00000000058A0000-0x00000000058B6000-memory.dmp

    Filesize

    88KB

  • memory/2868-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/2868-8-0x0000000006400000-0x0000000006486000-memory.dmp

    Filesize

    536KB

  • memory/2868-9-0x00000000089B0000-0x0000000008A4C000-memory.dmp

    Filesize

    624KB

  • memory/2868-3-0x00000000056C0000-0x0000000005752000-memory.dmp

    Filesize

    584KB

  • memory/4628-20-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4628-26-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4628-80-0x0000000007400000-0x0000000007414000-memory.dmp

    Filesize

    80KB

  • memory/4628-81-0x0000000007500000-0x000000000751A000-memory.dmp

    Filesize

    104KB

  • memory/4628-82-0x00000000074E0000-0x00000000074E8000-memory.dmp

    Filesize

    32KB

  • memory/4628-49-0x0000000005ED0000-0x0000000005F1C000-memory.dmp

    Filesize

    304KB

  • memory/4628-29-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4628-62-0x0000000070480000-0x00000000704CC000-memory.dmp

    Filesize

    304KB

  • memory/4628-48-0x0000000005E90000-0x0000000005EAE000-memory.dmp

    Filesize

    120KB

  • memory/4628-90-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB