Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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 02:10

General

  • Target

    7de11f73a331d4b238991d2e845847eca225fe99f6c9eb7e46c73eac1d614064.exe

  • Size

    719KB

  • MD5

    7d4355c001565e767b1d1da8a360acb5

  • SHA1

    d7a78c5d402662691e0a3844730815dce6bb9096

  • SHA256

    7de11f73a331d4b238991d2e845847eca225fe99f6c9eb7e46c73eac1d614064

  • SHA512

    d0571263dc4f6cef01b50b9f518a69e53c699bfed14873fbe0b2d30fed6e6a75dfe861cb1bc424079c77b3e2d510784e26e3125bd83519b0dd48834b29c01bef

  • SSDEEP

    12288:QfWYIPXjxannnHg2NbkpL9xY72zXwmYMMm98kJ7I6U6De2VifvL9Hk2dtJm243ry:QfWYIPFannnHg2NbU9sbq8kFUiofvhHv

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.probending.co.th
  • Port:
    587
  • Username:
    sales@probending.co.th
  • Password:
    9aglmaj6C5hF
  • Email To:
    quality@bspmetatech.com

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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7de11f73a331d4b238991d2e845847eca225fe99f6c9eb7e46c73eac1d614064.exe
    "C:\Users\Admin\AppData\Local\Temp\7de11f73a331d4b238991d2e845847eca225fe99f6c9eb7e46c73eac1d614064.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • 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\7de11f73a331d4b238991d2e845847eca225fe99f6c9eb7e46c73eac1d614064.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3464
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RrcxPjKclO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2332
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RrcxPjKclO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB120.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1196
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2452
      • 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:3880

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    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

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    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

      9310afef6b44ae90787e761e1b375532

      SHA1

      ae88827a3126ac51cf4e902abfddb40527990a10

      SHA256

      243d509a268511ec4ca5b2721c06c21bc808bba880bb9e24ac10f4da0e2bf04e

      SHA512

      77b603661d2575a79f51600d1670e8269cec829ea1fd93c8fc824ee57f93a7d589b03760a02c610718f9726950bf49672f580b246a55d57e818f9e736222928d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n1p1lltj.itw.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpB120.tmp
      Filesize

      1KB

      MD5

      464070bbb47184643ab800c01ca18d27

      SHA1

      2684c4b4d4fc0a780d14ecc50ddea95e97b7d00a

      SHA256

      1efb0d9618e26908636be551eb2ec9af834948cb8495c12d533dac12f6b23acc

      SHA512

      f3f14c2a0239726beff0ca577f514daaf79fb83cf4b424959ee2420a07c1efdbdf6b501e1c119af8bacd379b8217790b2754919f1c782dbf2d963a5fc6e37a67

    • memory/2332-20-0x0000000002940000-0x0000000002950000-memory.dmp
      Filesize

      64KB

    • memory/2332-78-0x000000007F190000-0x000000007F1A0000-memory.dmp
      Filesize

      64KB

    • memory/2332-79-0x0000000002940000-0x0000000002950000-memory.dmp
      Filesize

      64KB

    • memory/2332-37-0x0000000005D20000-0x0000000006074000-memory.dmp
      Filesize

      3.3MB

    • memory/2332-25-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/2332-80-0x0000000007C20000-0x000000000829A000-memory.dmp
      Filesize

      6.5MB

    • memory/2332-96-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/2332-82-0x0000000007650000-0x000000000765A000-memory.dmp
      Filesize

      40KB

    • memory/2332-68-0x0000000075740000-0x000000007578C000-memory.dmp
      Filesize

      304KB

    • memory/2332-83-0x0000000007860000-0x00000000078F6000-memory.dmp
      Filesize

      600KB

    • memory/2332-19-0x0000000002940000-0x0000000002950000-memory.dmp
      Filesize

      64KB

    • memory/2332-86-0x0000000007810000-0x000000000781E000-memory.dmp
      Filesize

      56KB

    • memory/2444-9-0x000000000BBB0000-0x000000000BC4C000-memory.dmp
      Filesize

      624KB

    • memory/2444-50-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/2444-4-0x0000000004B10000-0x0000000004B20000-memory.dmp
      Filesize

      64KB

    • memory/2444-22-0x0000000004B10000-0x0000000004B20000-memory.dmp
      Filesize

      64KB

    • memory/2444-0-0x0000000000100000-0x00000000001B4000-memory.dmp
      Filesize

      720KB

    • memory/2444-2-0x0000000005220000-0x00000000057C4000-memory.dmp
      Filesize

      5.6MB

    • memory/2444-15-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/2444-3-0x0000000004B90000-0x0000000004C22000-memory.dmp
      Filesize

      584KB

    • memory/2444-8-0x0000000008A90000-0x0000000008B12000-memory.dmp
      Filesize

      520KB

    • memory/2444-7-0x0000000005210000-0x0000000005224000-memory.dmp
      Filesize

      80KB

    • memory/2444-6-0x00000000051E0000-0x0000000005200000-memory.dmp
      Filesize

      128KB

    • memory/2444-5-0x0000000004C50000-0x0000000004C5A000-memory.dmp
      Filesize

      40KB

    • memory/2444-1-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/3464-17-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/3464-89-0x0000000007610000-0x0000000007618000-memory.dmp
      Filesize

      32KB

    • memory/3464-53-0x0000000005FF0000-0x000000000603C000-memory.dmp
      Filesize

      304KB

    • memory/3464-56-0x0000000075740000-0x000000007578C000-memory.dmp
      Filesize

      304KB

    • memory/3464-55-0x0000000006F50000-0x0000000006F82000-memory.dmp
      Filesize

      200KB

    • memory/3464-54-0x000000007FC70000-0x000000007FC80000-memory.dmp
      Filesize

      64KB

    • memory/3464-66-0x0000000006F30000-0x0000000006F4E000-memory.dmp
      Filesize

      120KB

    • memory/3464-95-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/3464-14-0x00000000026C0000-0x00000000026F6000-memory.dmp
      Filesize

      216KB

    • memory/3464-67-0x0000000007190000-0x0000000007233000-memory.dmp
      Filesize

      652KB

    • memory/3464-16-0x0000000005170000-0x0000000005798000-memory.dmp
      Filesize

      6.2MB

    • memory/3464-81-0x00000000072F0000-0x000000000730A000-memory.dmp
      Filesize

      104KB

    • memory/3464-36-0x0000000005C20000-0x0000000005C86000-memory.dmp
      Filesize

      408KB

    • memory/3464-26-0x00000000058E0000-0x0000000005946000-memory.dmp
      Filesize

      408KB

    • memory/3464-24-0x0000000005840000-0x0000000005862000-memory.dmp
      Filesize

      136KB

    • memory/3464-84-0x00000000074F0000-0x0000000007501000-memory.dmp
      Filesize

      68KB

    • memory/3464-21-0x0000000002670000-0x0000000002680000-memory.dmp
      Filesize

      64KB

    • memory/3464-87-0x0000000007530000-0x0000000007544000-memory.dmp
      Filesize

      80KB

    • memory/3464-88-0x0000000007630000-0x000000000764A000-memory.dmp
      Filesize

      104KB

    • memory/3464-52-0x0000000005BF0000-0x0000000005C0E000-memory.dmp
      Filesize

      120KB

    • memory/3464-18-0x0000000002670000-0x0000000002680000-memory.dmp
      Filesize

      64KB

    • memory/3880-47-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3880-49-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/3880-51-0x00000000055E0000-0x00000000055F0000-memory.dmp
      Filesize

      64KB

    • memory/3880-97-0x00000000064B0000-0x0000000006500000-memory.dmp
      Filesize

      320KB

    • memory/3880-98-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/3880-99-0x00000000055E0000-0x00000000055F0000-memory.dmp
      Filesize

      64KB