Overview

overview

10

Static

static

3

SARL RABIN...95.exe

windows7-x64

1

SARL RABIN...95.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    130s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 13:36

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General

  • Target

    SARL RABINEAU Order FA2495.exe

  • Size

    609KB

  • MD5

    4ac88ef7fe497d568f8c0256627f4f28

  • SHA1

    ed66aadb1b165388e5a132f43874f385db546379

  • SHA256

    034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf

  • SHA512

    b20a18998275e42a27aa56ff0318e2a119b00a5ffee04898e42c25524ee4abf1e68952c97236d4ecafdd143a9912d87f15e463ea3e62ac1bc028e9bbac54fbab

  • SSDEEP

    12288:IxbVNv5uSru57PQFztYF2vLRHQ36D78MmeOZWczK3rlHxsKIy:IxRV5Lru57YF+iQe8MdM0JOy

Score
10/10
agentteslaevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

    keyloggertrojanstealerspywareagenttesla
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 3 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\SARL RABINEAU Order FA2495.exe
    "C:\Users\Admin\AppData\Local\Temp\SARL RABINEAU Order FA2495.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:388
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp55D1.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4100
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • UAC bypass
        • Windows security bypass
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Checks BIOS information in registry
        • Checks computer location settings
        • Executes dropped EXE
        • Windows security modification
        • Checks whether UAC is enabled
        • Maps connected drives based on registry
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:560
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2356
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
            PID:3160
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
            4⤵
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4420
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
            4⤵
              PID:1192

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      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

      Abuse Elevation Control Mechanism

      1
      T1548

      Bypass User Account Control

      1
      T1548.002

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      Defense Evasion

      Abuse Elevation Control Mechanism

      1
      T1548

      Bypass User Account Control

      1
      T1548.002

      Impair Defenses

      3
      T1562

      Disable or Modify Tools

      3
      T1562.001

      Modify Registry

      5
      T1112

      Virtualization/Sandbox Evasion

      2
      T1497

      Credential Access

      Discovery

      Peripheral Device Discovery

      1
      T1120

      Query Registry

      6
      T1012

      System Information Discovery

      5
      T1082

      Virtualization/Sandbox Evasion

      2
      T1497

      Lateral Movement

      Collection

      Command and Control

      Exfiltration

      Impact

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zzl2gthi.jfs.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\tmp55D1.tmp.bat
        Filesize

        151B

        MD5

        7140d62af14a307bd71fb6227409f6af

        SHA1

        e065c6f96294167c5aebc00a21efa76085bd5672

        SHA256

        44c76cb70ea4e59f2fe01812347b35f4914bc2acb322001da3a1cac20f95f12f

        SHA512

        077b5d7f682e161af6576c03c25b1e311478acd949f147cc12f642b4ecb7671b1baccda263b0a13d3204bb3f53f643338f9a28043812a93638496a991baae4fd

        Download Submit

      • C:\Users\Admin\AppData\Roaming\svchost.exe
        Filesize

        609KB

        MD5

        4ac88ef7fe497d568f8c0256627f4f28

        SHA1

        ed66aadb1b165388e5a132f43874f385db546379

        SHA256

        034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf

        SHA512

        b20a18998275e42a27aa56ff0318e2a119b00a5ffee04898e42c25524ee4abf1e68952c97236d4ecafdd143a9912d87f15e463ea3e62ac1bc028e9bbac54fbab

        Download Submit

      • memory/776-2-0x000001C01C040000-0x000001C01C0D6000-memory.dmp

        Filesize

        600KB

        Download

      • memory/776-8-0x00007FF887250000-0x00007FF887D11000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/776-0-0x000001C01A360000-0x000001C01A36A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/776-3-0x000001C0348A0000-0x000001C0348B0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/776-1-0x00007FF887250000-0x00007FF887D11000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/2356-13-0x0000020EA0B50000-0x0000020EA0B72000-memory.dmp

        Filesize

        136KB

        Download

      • memory/4420-23-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

        Download

      • memory/4420-24-0x0000000005FF0000-0x0000000006594000-memory.dmp

        Filesize

        5.6MB

        Download

      • memory/4420-27-0x0000000005AB0000-0x0000000005B16000-memory.dmp

        Filesize

        408KB

        Download

      • memory/4420-29-0x0000000006D30000-0x0000000006D80000-memory.dmp

        Filesize

        320KB

        Download

      • memory/4420-30-0x0000000006E20000-0x0000000006EB2000-memory.dmp

        Filesize

        584KB

        Download

      • memory/4420-31-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

        Filesize

        40KB

        Download