Analysis

  • max time kernel
    57s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 09:02

General

  • Target

    statement and invoices.exe

  • Size

    828KB

  • MD5

    7ca522120ba2f516eeabd3d3979c14eb

  • SHA1

    3da00a3e7c38b1cab49e7a443a33de11dbd642fc

  • SHA256

    9da495f395181d2188e798281ad85b82acdf6d1185c28885fe193c6c48f78a93

  • SHA512

    2eb76c682e5f86f6148750003e4b51375d7ac58e3486157b0c55da98073fb6f852fa0ef209115f0c8223e2f081df4ecff56e181af540da49fd0819a832cb73b8

  • SSDEEP

    24576:bDPjKr5BND8Vqr4MYBt7xa42c//Bs9zEi:vk5BNggrzia7c3SF

Malware Config

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\statement and invoices.exe
    "C:\Users\Admin\AppData\Local\Temp\statement and invoices.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3488
    • 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\statement and invoices.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yrkroc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2988
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yrkroc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82FB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1712
    • 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
      PID:1620

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

    321b8213dccb069ffc41c5ecff8b13ac

    SHA1

    07c20c5471ca5de2720fe595fc337f20d7747495

    SHA256

    6a078daf49e6816ff9e1b420023fc7bc5c45b7ddc8416772b03e02937b0954fc

    SHA512

    67b552f738a77dd2eb8afd3ba7aa32ba81d1602ea9de401e9d2dcdd911aa155ca88c9b5e0f613de6adccaee7e7b046bca19f71d743e9caea6520c36dc0ce14a9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wibajdbf.43h.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp82FB.tmp
    Filesize

    1KB

    MD5

    cf0b28a1a337d8fc9d3c27da822def1f

    SHA1

    3756b0fef450611bef02e9fd79e985dcd065e153

    SHA256

    771fa924af09d0c361bacc0c1b94b717dd86368290894e1b8b5f6b0f93cf5a5f

    SHA512

    e064bab14aa183e5ad78b26ef4737e3eee2ac0091777a698c2533426d9c76e64607b9ef637028b34329642fd84843a7359d9c83dec02857d2fe52b132def6016

  • memory/1620-91-0x0000000005FA0000-0x0000000005FF0000-memory.dmp
    Filesize

    320KB

  • memory/1620-46-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2176-76-0x0000000007710000-0x000000000771A000-memory.dmp
    Filesize

    40KB

  • memory/2176-77-0x0000000007920000-0x00000000079B6000-memory.dmp
    Filesize

    600KB

  • memory/2176-90-0x0000000074E20000-0x00000000755D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2176-82-0x00000000079E0000-0x00000000079FA000-memory.dmp
    Filesize

    104KB

  • memory/2176-14-0x0000000002A20000-0x0000000002A56000-memory.dmp
    Filesize

    216KB

  • memory/2176-78-0x00000000078A0000-0x00000000078B1000-memory.dmp
    Filesize

    68KB

  • memory/2176-16-0x0000000005450000-0x0000000005A78000-memory.dmp
    Filesize

    6.2MB

  • memory/2176-18-0x0000000002A10000-0x0000000002A20000-memory.dmp
    Filesize

    64KB

  • memory/2176-17-0x0000000074E20000-0x00000000755D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2176-64-0x0000000007CE0000-0x000000000835A000-memory.dmp
    Filesize

    6.5MB

  • memory/2176-66-0x00000000076A0000-0x00000000076BA000-memory.dmp
    Filesize

    104KB

  • memory/2176-63-0x0000000007590000-0x0000000007633000-memory.dmp
    Filesize

    652KB

  • memory/2176-26-0x0000000005BF0000-0x0000000005C56000-memory.dmp
    Filesize

    408KB

  • memory/2176-62-0x0000000007570000-0x000000000758E000-memory.dmp
    Filesize

    120KB

  • memory/2176-25-0x0000000005A80000-0x0000000005AE6000-memory.dmp
    Filesize

    408KB

  • memory/2176-23-0x0000000005370000-0x0000000005392000-memory.dmp
    Filesize

    136KB

  • memory/2176-52-0x00000000715D0000-0x000000007161C000-memory.dmp
    Filesize

    304KB

  • memory/2176-51-0x0000000007530000-0x0000000007562000-memory.dmp
    Filesize

    200KB

  • memory/2176-50-0x00000000068D0000-0x000000000691C000-memory.dmp
    Filesize

    304KB

  • memory/2176-49-0x0000000006370000-0x000000000638E000-memory.dmp
    Filesize

    120KB

  • memory/2988-80-0x00000000077B0000-0x00000000077BE000-memory.dmp
    Filesize

    56KB

  • memory/2988-89-0x0000000074E20000-0x00000000755D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2988-45-0x0000000005B20000-0x0000000005E74000-memory.dmp
    Filesize

    3.3MB

  • memory/2988-19-0x0000000074E20000-0x00000000755D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2988-20-0x0000000004EB0000-0x0000000004EC0000-memory.dmp
    Filesize

    64KB

  • memory/2988-83-0x00000000078A0000-0x00000000078A8000-memory.dmp
    Filesize

    32KB

  • memory/2988-81-0x00000000077C0000-0x00000000077D4000-memory.dmp
    Filesize

    80KB

  • memory/2988-65-0x00000000715D0000-0x000000007161C000-memory.dmp
    Filesize

    304KB

  • memory/2988-21-0x0000000004EB0000-0x0000000004EC0000-memory.dmp
    Filesize

    64KB

  • memory/3488-0-0x00000000005D0000-0x00000000006A0000-memory.dmp
    Filesize

    832KB

  • memory/3488-48-0x0000000074E20000-0x00000000755D0000-memory.dmp
    Filesize

    7.7MB

  • memory/3488-7-0x0000000005440000-0x0000000005454000-memory.dmp
    Filesize

    80KB

  • memory/3488-15-0x0000000074E20000-0x00000000755D0000-memory.dmp
    Filesize

    7.7MB

  • memory/3488-22-0x00000000052A0000-0x00000000052B0000-memory.dmp
    Filesize

    64KB

  • memory/3488-6-0x00000000053E0000-0x0000000005400000-memory.dmp
    Filesize

    128KB

  • memory/3488-9-0x000000000C020000-0x000000000C0BC000-memory.dmp
    Filesize

    624KB

  • memory/3488-5-0x0000000005050000-0x000000000505A000-memory.dmp
    Filesize

    40KB

  • memory/3488-3-0x00000000050C0000-0x0000000005152000-memory.dmp
    Filesize

    584KB

  • memory/3488-2-0x00000000055D0000-0x0000000005B74000-memory.dmp
    Filesize

    5.6MB

  • memory/3488-4-0x00000000052A0000-0x00000000052B0000-memory.dmp
    Filesize

    64KB

  • memory/3488-8-0x0000000008F00000-0x0000000008F82000-memory.dmp
    Filesize

    520KB

  • memory/3488-1-0x0000000074E20000-0x00000000755D0000-memory.dmp
    Filesize

    7.7MB