Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 00:54

General

  • Target

    Telco 32pcs New Purchase Order.exe

  • Size

    968KB

  • MD5

    8d310f2e831174aac8eaa5eba20e87ad

  • SHA1

    600ef55976b69523c7973c5d0aeeb91f3fdcf97e

  • SHA256

    457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876

  • SHA512

    a8a58d69131ae7b6736af515ad800eebe123df03c8c5b909e24ae64e382f310835f984d045f97aabe11a0f489e614b1d8d516add24d9cfde6f261ca88af75839

  • SSDEEP

    24576:izFcFCG6ra2QIi2zGc9rwZTkfrw6bMfR1q:izFcsG3ZDc9riI0q

Malware Config

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.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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\Telco 32pcs New Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1252
    • 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\Telco 32pcs New Purchase Order.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:224
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zBzzGAdzqF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zBzzGAdzqF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2872
    • C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1732

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

    ff91d5973d55d5a6ba8cd4aa90fa2faf

    SHA1

    a366ecc62e2bc17d95f515a5cb7a8afee5b51371

    SHA256

    c30acb0a54b84d3fbd06aef1936b5ce43ed5e159875ed096fe1e97fab71193a3

    SHA512

    92679ff4cda700a8ca7cb42f054502bb0f10827084142bafce38d06995782237badf5481c2d93c3c6f2a0ccabf75a2152fca2f1301b68e043e455515a3b114c8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rk0o5m1s.on0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp

    Filesize

    1KB

    MD5

    e61e88f3d8d50f75eb631ac1e311985f

    SHA1

    ca65a9a5bbe32e5afd5197ff380293ddc95fd539

    SHA256

    5c5358c8b8c60b47e92725b62aa3ece550a13843a8de478c7ec2b12be6c232bf

    SHA512

    f4720b083339bde41215d6bdb73bd237163645480a8190115a1121bba2099cee72ec28baa5bb17e720ac219fdfcf73517b365c10be3794f69cb6a2737dbd32be

  • memory/224-25-0x0000000006100000-0x0000000006166000-memory.dmp

    Filesize

    408KB

  • memory/224-75-0x0000000007C20000-0x0000000007C2A000-memory.dmp

    Filesize

    40KB

  • memory/224-89-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-42-0x0000000006240000-0x0000000006594000-memory.dmp

    Filesize

    3.3MB

  • memory/224-80-0x0000000007EF0000-0x0000000007F0A000-memory.dmp

    Filesize

    104KB

  • memory/224-77-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

    Filesize

    68KB

  • memory/224-73-0x0000000008200000-0x000000000887A000-memory.dmp

    Filesize

    6.5MB

  • memory/224-15-0x00000000052C0000-0x00000000052F6000-memory.dmp

    Filesize

    216KB

  • memory/224-16-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-17-0x00000000059C0000-0x0000000005FE8000-memory.dmp

    Filesize

    6.2MB

  • memory/224-18-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-19-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-51-0x00000000758E0000-0x000000007592C000-memory.dmp

    Filesize

    304KB

  • memory/224-70-0x0000000006E40000-0x0000000006E5E000-memory.dmp

    Filesize

    120KB

  • memory/224-50-0x0000000007840000-0x0000000007872000-memory.dmp

    Filesize

    200KB

  • memory/224-48-0x0000000006890000-0x00000000068AE000-memory.dmp

    Filesize

    120KB

  • memory/224-24-0x0000000006090000-0x00000000060F6000-memory.dmp

    Filesize

    408KB

  • memory/224-49-0x0000000006A70000-0x0000000006ABC000-memory.dmp

    Filesize

    304KB

  • memory/224-23-0x0000000005FF0000-0x0000000006012000-memory.dmp

    Filesize

    136KB

  • memory/1252-3-0x0000000004B40000-0x0000000004BD2000-memory.dmp

    Filesize

    584KB

  • memory/1252-47-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1252-7-0x000000007503E000-0x000000007503F000-memory.dmp

    Filesize

    4KB

  • memory/1252-5-0x0000000004B00000-0x0000000004B0A000-memory.dmp

    Filesize

    40KB

  • memory/1252-8-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1252-4-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1252-10-0x0000000009F50000-0x0000000009FEC000-memory.dmp

    Filesize

    624KB

  • memory/1252-9-0x00000000077F0000-0x0000000007874000-memory.dmp

    Filesize

    528KB

  • memory/1252-0-0x000000007503E000-0x000000007503F000-memory.dmp

    Filesize

    4KB

  • memory/1252-2-0x00000000050F0000-0x0000000005694000-memory.dmp

    Filesize

    5.6MB

  • memory/1252-6-0x00000000077E0000-0x00000000077F2000-memory.dmp

    Filesize

    72KB

  • memory/1252-1-0x0000000000010000-0x0000000000104000-memory.dmp

    Filesize

    976KB

  • memory/1732-82-0x0000000006B30000-0x0000000006B80000-memory.dmp

    Filesize

    320KB

  • memory/1732-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2156-76-0x0000000007D50000-0x0000000007DE6000-memory.dmp

    Filesize

    600KB

  • memory/2156-78-0x0000000007D00000-0x0000000007D0E000-memory.dmp

    Filesize

    56KB

  • memory/2156-79-0x0000000007D10000-0x0000000007D24000-memory.dmp

    Filesize

    80KB

  • memory/2156-61-0x00000000758E0000-0x000000007592C000-memory.dmp

    Filesize

    304KB

  • memory/2156-81-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

    Filesize

    32KB

  • memory/2156-74-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

    Filesize

    104KB

  • memory/2156-88-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-72-0x00000000077A0000-0x0000000007843000-memory.dmp

    Filesize

    652KB

  • memory/2156-20-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-22-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB