Analysis

  • max time kernel
    141s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 02:03

General

  • Target

    PO 20567812_PDF Kumaran Industries PVT LTD iGST_eH2mYaM.exe

  • Size

    876KB

  • MD5

    ef371eec27b49ddba4332cda7f5c3738

  • SHA1

    6a7568498c09068e845c3341ea34d2ef8cb9eb15

  • SHA256

    2e927bdc3e5bd50e16ec9b7c94a48a9bd6baf129728b8171e2f14f452ca476f7

  • SHA512

    bd2d21126aafd328d3e48abd228cc0e1896b8a5e903ae3528f53bc3850f2c0e42262415978e0ac97395248fcb8a1627713956073544e2eae93c2b89a2f54814d

  • SSDEEP

    12288:J7EhaAryXcd/C5gsunYMHag+30SypS41zBb9YfRcoIcvi7ZNeP71zjsxiY0LWxyi:XdMagsuV6lUL19+c0eWxz5Y0SxgUAq

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.nwac.com.ng
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Foundation+111

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.nwac.com.ng
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Foundation+111

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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 20567812_PDF Kumaran Industries PVT LTD iGST_eH2mYaM.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 20567812_PDF Kumaran Industries PVT LTD iGST_eH2mYaM.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4664
    • 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\PO 20567812_PDF Kumaran Industries PVT LTD iGST_eH2mYaM.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fTaIHxljaWVCs.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:404
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fTaIHxljaWVCs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DE1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4180
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2336
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4476 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4348

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Scripting

    1
    T1064

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z2itxl20.lb5.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9DE1.tmp
      Filesize

      1KB

      MD5

      8b5eab59fc083e3015fe404a9ea415c1

      SHA1

      a78cc3233294e7999e4603c26030ca41762d2b1b

      SHA256

      6f5afa23a2e4d608144a98ce314c0d2cae94a42d7ee3aeeffd2ce7f7147eb247

      SHA512

      9dcc98b17e658676659d3eb749a06a1e35be3a2e88a3b888ab82614dba1f5920cf0a642e168399d276e81b758a3e5f722611a7004543e90d7feb3ad106e1d142

    • memory/404-77-0x0000000007070000-0x000000000708A000-memory.dmp
      Filesize

      104KB

    • memory/404-25-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/404-86-0x00000000073D0000-0x00000000073E4000-memory.dmp
      Filesize

      80KB

    • memory/404-85-0x00000000072E0000-0x00000000072EE000-memory.dmp
      Filesize

      56KB

    • memory/404-87-0x0000000007420000-0x000000000743A000-memory.dmp
      Filesize

      104KB

    • memory/404-78-0x00000000070E0000-0x00000000070EA000-memory.dmp
      Filesize

      40KB

    • memory/404-22-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/404-54-0x0000000070AA0000-0x0000000070AEC000-memory.dmp
      Filesize

      304KB

    • memory/404-88-0x0000000007410000-0x0000000007418000-memory.dmp
      Filesize

      32KB

    • memory/404-24-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/404-91-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/2336-84-0x0000000006BA0000-0x0000000006BF0000-memory.dmp
      Filesize

      320KB

    • memory/2336-26-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2336-31-0x0000000005700000-0x0000000005766000-memory.dmp
      Filesize

      408KB

    • memory/2636-75-0x00000000079D0000-0x0000000007A73000-memory.dmp
      Filesize

      652KB

    • memory/2636-21-0x0000000005AB0000-0x00000000060D8000-memory.dmp
      Filesize

      6.2MB

    • memory/2636-20-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/2636-17-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/2636-13-0x0000000002DD0000-0x0000000002E06000-memory.dmp
      Filesize

      216KB

    • memory/2636-15-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/2636-92-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/2636-28-0x00000000056D0000-0x00000000056F2000-memory.dmp
      Filesize

      136KB

    • memory/2636-83-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/2636-76-0x0000000008100000-0x000000000877A000-memory.dmp
      Filesize

      6.5MB

    • memory/2636-30-0x0000000005870000-0x00000000058D6000-memory.dmp
      Filesize

      408KB

    • memory/2636-82-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/2636-50-0x00000000061A0000-0x00000000064F4000-memory.dmp
      Filesize

      3.3MB

    • memory/2636-51-0x00000000067D0000-0x00000000067EE000-memory.dmp
      Filesize

      120KB

    • memory/2636-52-0x0000000006860000-0x00000000068AC000-memory.dmp
      Filesize

      304KB

    • memory/2636-53-0x0000000006D00000-0x0000000006D32000-memory.dmp
      Filesize

      200KB

    • memory/2636-56-0x0000000070AA0000-0x0000000070AEC000-memory.dmp
      Filesize

      304KB

    • memory/2636-81-0x0000000007C70000-0x0000000007C81000-memory.dmp
      Filesize

      68KB

    • memory/2636-74-0x0000000006CE0000-0x0000000006CFE000-memory.dmp
      Filesize

      120KB

    • memory/2636-80-0x0000000007CF0000-0x0000000007D86000-memory.dmp
      Filesize

      600KB

    • memory/4664-11-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
      Filesize

      4KB

    • memory/4664-8-0x0000000002650000-0x0000000002660000-memory.dmp
      Filesize

      64KB

    • memory/4664-7-0x0000000002630000-0x000000000264A000-memory.dmp
      Filesize

      104KB

    • memory/4664-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
      Filesize

      4KB

    • memory/4664-9-0x0000000008AF0000-0x0000000008B74000-memory.dmp
      Filesize

      528KB

    • memory/4664-10-0x000000000C0A0000-0x000000000C13C000-memory.dmp
      Filesize

      624KB

    • memory/4664-29-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/4664-6-0x0000000008790000-0x0000000008832000-memory.dmp
      Filesize

      648KB

    • memory/4664-5-0x0000000007140000-0x000000000714A000-memory.dmp
      Filesize

      40KB

    • memory/4664-4-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB

    • memory/4664-3-0x0000000007160000-0x00000000071F2000-memory.dmp
      Filesize

      584KB

    • memory/4664-2-0x0000000007670000-0x0000000007C14000-memory.dmp
      Filesize

      5.6MB

    • memory/4664-1-0x00000000001C0000-0x000000000029E000-memory.dmp
      Filesize

      888KB

    • memory/4664-12-0x0000000074D90000-0x0000000075540000-memory.dmp
      Filesize

      7.7MB