Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 17:33

General

  • Target

    Bill of Ladden,Invoice & Packing List.exe

  • Size

    692KB

  • MD5

    3abca3d01e518e48b9d575b2bbdc65c8

  • SHA1

    85d9b7354ac39e47fdd2abb42989ca128c45315d

  • SHA256

    3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96

  • SHA512

    a7cc95fd098df66fa96e04941e032927a5b088f74865f501bf476095e8b236775e4818f2b70c7d4dfadae4e9d1fde7c9c5e836bfcc5839a20c6a5f2212a8a05c

  • SSDEEP

    12288:uKByCK2xrOoyepvItIvwJq1kugH+s++zfq0HNqbR1FjOgpkR:LByC5yoapsubQ+f3tM1q

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 2 TTPs

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

  • Looks up external IP address via web service 1 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe
    "C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4520
    • 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\Bill of Ladden,Invoice & Packing List.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yHYZVcCCPt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yHYZVcCCPt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7465.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2268
    • C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe
      "C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3108

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

    1KB

    MD5

    33b19d75aa77114216dbc23f43b195e3

    SHA1

    36a6c3975e619e0c5232aa4f5b7dc1fec9525535

    SHA256

    b23ced31b855e5a39c94afa1f9d55b023b8c40d4dc62143e0539c6916c12c9d2

    SHA512

    676fa2fd34878b75e5899197fe6826bb5604541aa468804bc9835bd3acabed2e6759878a8f1358955413818a51456816e90f149133828575a416c2a74fc7d821

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

    Filesize

    18KB

    MD5

    5a98ef11bcff2eb97a4c85775de41410

    SHA1

    dcd18fd49359ecf06e994689aab1fde354d55dfc

    SHA256

    a684e4f4e0156ec798ee031cb74adcb45de4e65da6575b87f66e5152f8a248a7

    SHA512

    d74ab5aa7121f47c1fa5e1ee4ccbc1c3bf47edef2fdf6b72457f322f23a059a26dda034ccd8de1f627e3348720b90794339f28b47770b8929fe8d711abf01ce6

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z5oydfpb.xjl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7465.tmp

    Filesize

    1KB

    MD5

    f20b977923afd4a86218dd16c53264ae

    SHA1

    400e78bc0387c74b389de701c593b0805a802429

    SHA256

    9f26b25306e4d1c0c6dd8bf5aad784fb02c3451042ee45c93d2d375230f05638

    SHA512

    e399e8e10d752b72c7a69d31d77bc92f42e7f3b76cd63f6c8356a304d5bdfefd7fbda8bb5f420d067bb9786439adcf161f2d4055ed5c02403a4ef0c779687567

  • memory/1696-68-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

    Filesize

    40KB

  • memory/1696-65-0x0000000007920000-0x00000000079C3000-memory.dmp

    Filesize

    652KB

  • memory/1696-72-0x0000000007C90000-0x0000000007CA4000-memory.dmp

    Filesize

    80KB

  • memory/1696-71-0x0000000007C80000-0x0000000007C8E000-memory.dmp

    Filesize

    56KB

  • memory/1696-70-0x0000000007C50000-0x0000000007C61000-memory.dmp

    Filesize

    68KB

  • memory/1696-69-0x0000000007CD0000-0x0000000007D66000-memory.dmp

    Filesize

    600KB

  • memory/1696-30-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-66-0x00000000080A0000-0x000000000871A000-memory.dmp

    Filesize

    6.5MB

  • memory/1696-67-0x0000000007A50000-0x0000000007A6A000-memory.dmp

    Filesize

    104KB

  • memory/1696-73-0x0000000007D90000-0x0000000007DAA000-memory.dmp

    Filesize

    104KB

  • memory/1696-64-0x00000000076F0000-0x000000000770E000-memory.dmp

    Filesize

    120KB

  • memory/1696-19-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-53-0x0000000006D00000-0x0000000006D32000-memory.dmp

    Filesize

    200KB

  • memory/1696-54-0x0000000074ED0000-0x0000000074F1C000-memory.dmp

    Filesize

    304KB

  • memory/1696-49-0x0000000006740000-0x000000000678C000-memory.dmp

    Filesize

    304KB

  • memory/1696-24-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-74-0x0000000007D70000-0x0000000007D78000-memory.dmp

    Filesize

    32KB

  • memory/1696-78-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-48-0x00000000066F0000-0x000000000670E000-memory.dmp

    Filesize

    120KB

  • memory/2792-15-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2792-14-0x0000000002D10000-0x0000000002D46000-memory.dmp

    Filesize

    216KB

  • memory/2792-31-0x0000000006020000-0x0000000006374000-memory.dmp

    Filesize

    3.3MB

  • memory/2792-20-0x0000000005640000-0x0000000005662000-memory.dmp

    Filesize

    136KB

  • memory/2792-52-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2792-21-0x0000000005E50000-0x0000000005EB6000-memory.dmp

    Filesize

    408KB

  • memory/2792-22-0x0000000005FB0000-0x0000000006016000-memory.dmp

    Filesize

    408KB

  • memory/2792-18-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2792-16-0x0000000005820000-0x0000000005E48000-memory.dmp

    Filesize

    6.2MB

  • memory/2792-17-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-79-0x00000000067B0000-0x0000000006800000-memory.dmp

    Filesize

    320KB

  • memory/3108-45-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4520-0-0x000000007464E000-0x000000007464F000-memory.dmp

    Filesize

    4KB

  • memory/4520-9-0x000000000AA70000-0x000000000AB0C000-memory.dmp

    Filesize

    624KB

  • memory/4520-8-0x0000000006A60000-0x0000000006AE2000-memory.dmp

    Filesize

    520KB

  • memory/4520-7-0x0000000005A10000-0x0000000005A20000-memory.dmp

    Filesize

    64KB

  • memory/4520-6-0x0000000005AC0000-0x0000000005ADA000-memory.dmp

    Filesize

    104KB

  • memory/4520-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4520-4-0x00000000058F0000-0x00000000058FA000-memory.dmp

    Filesize

    40KB

  • memory/4520-3-0x0000000005800000-0x0000000005892000-memory.dmp

    Filesize

    584KB

  • memory/4520-2-0x0000000005DB0000-0x0000000006354000-memory.dmp

    Filesize

    5.6MB

  • memory/4520-1-0x0000000000CB0000-0x0000000000D60000-memory.dmp

    Filesize

    704KB

  • memory/4520-47-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB