Analysis

  • max time kernel
    142s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 02:39

General

  • Target

    1907dca252731a3da009bb214a7290c2a5047e4eda8215b537ab6287822193d0.exe

  • Size

    826KB

  • MD5

    7f295d83244cce3b74cba4d2b33b1586

  • SHA1

    f3de94f604e3a7fcd3723ac33f4feb1bd205599f

  • SHA256

    1907dca252731a3da009bb214a7290c2a5047e4eda8215b537ab6287822193d0

  • SHA512

    12a49f15d7d4e281035440baca44a4849599ddb54aed3940774d2112697cfef2b555a78fbe739953fa874b355bec3a7fbc8292f1590c09a66171d62a44eab902

  • SSDEEP

    24576:k5KtD/61IvtA6bDioG80knlydPUADYSz+PI:z6KlVbe38Jc5U/s+

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.

  • 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.

  • 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 18 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\1907dca252731a3da009bb214a7290c2a5047e4eda8215b537ab6287822193d0.exe
    "C:\Users\Admin\AppData\Local\Temp\1907dca252731a3da009bb214a7290c2a5047e4eda8215b537ab6287822193d0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3032
    • 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\1907dca252731a3da009bb214a7290c2a5047e4eda8215b537ab6287822193d0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3584
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TrJzomLYvc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TrJzomLYvc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7C4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2468
    • C:\Users\Admin\AppData\Local\Temp\1907dca252731a3da009bb214a7290c2a5047e4eda8215b537ab6287822193d0.exe
      "C:\Users\Admin\AppData\Local\Temp\1907dca252731a3da009bb214a7290c2a5047e4eda8215b537ab6287822193d0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3068

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\Temp\__PSScriptPolicyTest_yirlfhgq.154.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC7C4.tmp

    Filesize

    1KB

    MD5

    9e20aee447ffc0eef8bb6a8d0734cae5

    SHA1

    3b4f41a3ae5c43506777774ff5a722f063a30249

    SHA256

    aad8a9ddea8390991fbc70dadfcca782960c9a88d8772359621e04c9edab5cc9

    SHA512

    517e5b6722fc5f84965b3d4ee85adb8a0663de17a0a7671fd511a8999f1dc398c75c357462fea0b93199cd1091841ca698584388672230908fbd6d7f243a5dd5

  • memory/2672-89-0x0000000007F80000-0x0000000007F9A000-memory.dmp

    Filesize

    104KB

  • memory/2672-90-0x0000000007F60000-0x0000000007F68000-memory.dmp

    Filesize

    32KB

  • memory/2672-85-0x0000000007EC0000-0x0000000007F56000-memory.dmp

    Filesize

    600KB

  • memory/2672-78-0x0000000007B20000-0x0000000007BC3000-memory.dmp

    Filesize

    652KB

  • memory/2672-79-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB

  • memory/2672-86-0x0000000007E40000-0x0000000007E51000-memory.dmp

    Filesize

    68KB

  • memory/2672-22-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB

  • memory/2672-88-0x0000000007E80000-0x0000000007E94000-memory.dmp

    Filesize

    80KB

  • memory/2672-56-0x00000000718B0000-0x00000000718FC000-memory.dmp

    Filesize

    304KB

  • memory/2672-55-0x00000000078E0000-0x0000000007912000-memory.dmp

    Filesize

    200KB

  • memory/2672-54-0x000000007F950000-0x000000007F960000-memory.dmp

    Filesize

    64KB

  • memory/2672-82-0x0000000008280000-0x00000000088FA000-memory.dmp

    Filesize

    6.5MB

  • memory/2672-95-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-27-0x0000000006300000-0x0000000006366000-memory.dmp

    Filesize

    408KB

  • memory/2672-21-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-23-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB

  • memory/2672-87-0x0000000007E70000-0x0000000007E7E000-memory.dmp

    Filesize

    56KB

  • memory/2672-26-0x0000000006220000-0x0000000006286000-memory.dmp

    Filesize

    408KB

  • memory/2672-66-0x0000000006F00000-0x0000000006F1E000-memory.dmp

    Filesize

    120KB

  • memory/3032-8-0x0000000005DE0000-0x0000000005DEA000-memory.dmp

    Filesize

    40KB

  • memory/3032-10-0x0000000005F00000-0x0000000005F9C000-memory.dmp

    Filesize

    624KB

  • memory/3032-12-0x0000000004E80000-0x0000000004E90000-memory.dmp

    Filesize

    64KB

  • memory/3032-1-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-2-0x0000000005220000-0x00000000057C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3032-7-0x0000000005DD0000-0x0000000005DD8000-memory.dmp

    Filesize

    32KB

  • memory/3032-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

    Filesize

    584KB

  • memory/3032-0-0x0000000000160000-0x0000000000234000-memory.dmp

    Filesize

    848KB

  • memory/3032-5-0x0000000004C20000-0x0000000004C2A000-memory.dmp

    Filesize

    40KB

  • memory/3032-6-0x0000000006240000-0x0000000006258000-memory.dmp

    Filesize

    96KB

  • memory/3032-51-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-9-0x0000000006280000-0x00000000062FC000-memory.dmp

    Filesize

    496KB

  • memory/3032-11-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-4-0x0000000004E80000-0x0000000004E90000-memory.dmp

    Filesize

    64KB

  • memory/3068-42-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3068-50-0x0000000005050000-0x0000000005060000-memory.dmp

    Filesize

    64KB

  • memory/3068-48-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3068-97-0x0000000006110000-0x0000000006160000-memory.dmp

    Filesize

    320KB

  • memory/3068-98-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3068-99-0x0000000005050000-0x0000000005060000-memory.dmp

    Filesize

    64KB

  • memory/3584-18-0x0000000005060000-0x0000000005070000-memory.dmp

    Filesize

    64KB

  • memory/3584-83-0x0000000007710000-0x000000000772A000-memory.dmp

    Filesize

    104KB

  • memory/3584-84-0x0000000007780000-0x000000000778A000-memory.dmp

    Filesize

    40KB

  • memory/3584-67-0x00000000718B0000-0x00000000718FC000-memory.dmp

    Filesize

    304KB

  • memory/3584-81-0x0000000005060000-0x0000000005070000-memory.dmp

    Filesize

    64KB

  • memory/3584-80-0x000000007EFE0000-0x000000007EFF0000-memory.dmp

    Filesize

    64KB

  • memory/3584-77-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3584-53-0x0000000006410000-0x000000000645C000-memory.dmp

    Filesize

    304KB

  • memory/3584-52-0x00000000063C0000-0x00000000063DE000-memory.dmp

    Filesize

    120KB

  • memory/3584-96-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3584-47-0x0000000005E20000-0x0000000006174000-memory.dmp

    Filesize

    3.3MB

  • memory/3584-25-0x0000000005430000-0x0000000005452000-memory.dmp

    Filesize

    136KB

  • memory/3584-20-0x00000000056A0000-0x0000000005CC8000-memory.dmp

    Filesize

    6.2MB

  • memory/3584-19-0x0000000002AE0000-0x0000000002B16000-memory.dmp

    Filesize

    216KB

  • memory/3584-17-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB