Analysis

  • max time kernel
    98s
  • max time network
    107s
  • 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 03:06

General

  • Target

    Product_Specification_Dec052023.exe

  • Size

    828KB

  • MD5

    72c79ce71ca4d2529fb05f1e37341a69

  • SHA1

    aaa4e64071d39f2590d1bcb3b758c51d320ece31

  • SHA256

    a4d1c2193d3db847e5c7132074a16826beff3d069e1ba83633b8ac7bc5c88f5e

  • SHA512

    0e1f9eb942b5409bee74c4aaa3d249a87a88dc72d4aeda2cbe39cde7f428ef07b21e17c9467413826f4b599db744064acec96061dd8c5c3f1ea61f3f98618969

  • SSDEEP

    12288:anfKE6jD/62iNG5nF8+pQWMHKMuGxZcx0dZRyKuhqCqPiGIqkHmI:afKtD/61I4HKMuOcexylhqCq5IJHmI

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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Product_Specification_Dec052023.exe
    "C:\Users\Admin\AppData\Local\Temp\Product_Specification_Dec052023.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3720
    • 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\Product_Specification_Dec052023.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:232
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tNgQrHLDn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3828
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tNgQrHLDn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9A7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2472
    • C:\Users\Admin\AppData\Local\Temp\Product_Specification_Dec052023.exe
      "C:\Users\Admin\AppData\Local\Temp\Product_Specification_Dec052023.exe"
      2⤵
        PID:564
      • C:\Users\Admin\AppData\Local\Temp\Product_Specification_Dec052023.exe
        "C:\Users\Admin\AppData\Local\Temp\Product_Specification_Dec052023.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2192

    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

      a6bdd6f5ee0cf827c9356711821302d5

      SHA1

      84bddf1fff992c724662ecee9695ee43d490141b

      SHA256

      7b38dae0b142a0ee523c87499f9be1794522b21d2c983b33fe24e8f8761dda89

      SHA512

      7775683162fa138b4d738ecb417d7896f915be1f66aa0eb3da7e5430c79790b6461f3ff1c0b8293e8f7bb47b729bb7ed0f13696fa7c256d2f38326f5863fcfe9

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cme5zuaq.qss.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD9A7.tmp

      Filesize

      1KB

      MD5

      fcf93a877ad2611b06a70b491f314c26

      SHA1

      b363bb7d3e13ec8c166cffdc1de36be3bcd18c61

      SHA256

      3f450a33ea4d472fc1733d6578f4a988bce2aeac958f6d748cfe5d35d96d9411

      SHA512

      5e148a91e6e9f68b19bf9b945cd533442259a3c696f60738a9c9e6a51ede463700ce2ae273219a788dc518dd7b8794b31f80683e0d61f1e54579085476622d9d

    • memory/232-79-0x00000000075B0000-0x0000000007C2A000-memory.dmp

      Filesize

      6.5MB

    • memory/232-36-0x0000000005770000-0x0000000005AC4000-memory.dmp

      Filesize

      3.3MB

    • memory/232-95-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/232-88-0x0000000007290000-0x0000000007298000-memory.dmp

      Filesize

      32KB

    • memory/232-86-0x00000000072B0000-0x00000000072CA000-memory.dmp

      Filesize

      104KB

    • memory/232-84-0x00000000071A0000-0x00000000071AE000-memory.dmp

      Filesize

      56KB

    • memory/232-83-0x0000000007170000-0x0000000007181000-memory.dmp

      Filesize

      68KB

    • memory/232-82-0x00000000071F0000-0x0000000007286000-memory.dmp

      Filesize

      600KB

    • memory/232-80-0x0000000006F70000-0x0000000006F8A000-memory.dmp

      Filesize

      104KB

    • memory/232-17-0x0000000002330000-0x0000000002366000-memory.dmp

      Filesize

      216KB

    • memory/232-18-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/232-19-0x00000000048B0000-0x00000000048C0000-memory.dmp

      Filesize

      64KB

    • memory/232-20-0x0000000004EF0000-0x0000000005518000-memory.dmp

      Filesize

      6.2MB

    • memory/232-66-0x000000007F4D0000-0x000000007F4E0000-memory.dmp

      Filesize

      64KB

    • memory/232-67-0x0000000006240000-0x000000000625E000-memory.dmp

      Filesize

      120KB

    • memory/232-77-0x00000000048B0000-0x00000000048C0000-memory.dmp

      Filesize

      64KB

    • memory/232-54-0x00000000718B0000-0x00000000718FC000-memory.dmp

      Filesize

      304KB

    • memory/232-25-0x0000000005590000-0x00000000055F6000-memory.dmp

      Filesize

      408KB

    • memory/232-26-0x0000000005600000-0x0000000005666000-memory.dmp

      Filesize

      408KB

    • memory/2192-96-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2192-97-0x00000000057F0000-0x0000000005800000-memory.dmp

      Filesize

      64KB

    • memory/2192-45-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2192-48-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2192-87-0x00000000068B0000-0x0000000006900000-memory.dmp

      Filesize

      320KB

    • memory/2192-50-0x00000000057F0000-0x0000000005800000-memory.dmp

      Filesize

      64KB

    • memory/3720-6-0x0000000005C10000-0x0000000005C28000-memory.dmp

      Filesize

      96KB

    • memory/3720-4-0x0000000005B00000-0x0000000005B10000-memory.dmp

      Filesize

      64KB

    • memory/3720-10-0x0000000006B30000-0x0000000006BCC000-memory.dmp

      Filesize

      624KB

    • memory/3720-9-0x0000000006D30000-0x0000000006DAC000-memory.dmp

      Filesize

      496KB

    • memory/3720-0-0x0000000000D60000-0x0000000000E34000-memory.dmp

      Filesize

      848KB

    • memory/3720-2-0x0000000005EE0000-0x0000000006484000-memory.dmp

      Filesize

      5.6MB

    • memory/3720-49-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/3720-5-0x0000000005820000-0x000000000582A000-memory.dmp

      Filesize

      40KB

    • memory/3720-7-0x0000000005C30000-0x0000000005C38000-memory.dmp

      Filesize

      32KB

    • memory/3720-3-0x0000000005850000-0x00000000058E2000-memory.dmp

      Filesize

      584KB

    • memory/3720-1-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/3720-12-0x0000000005B00000-0x0000000005B10000-memory.dmp

      Filesize

      64KB

    • memory/3720-8-0x0000000005E60000-0x0000000005E6A000-memory.dmp

      Filesize

      40KB

    • memory/3720-11-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/3828-21-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/3828-51-0x0000000005A00000-0x0000000005A1E000-memory.dmp

      Filesize

      120KB

    • memory/3828-85-0x0000000006FE0000-0x0000000006FF4000-memory.dmp

      Filesize

      80KB

    • memory/3828-81-0x0000000006E20000-0x0000000006E2A000-memory.dmp

      Filesize

      40KB

    • memory/3828-22-0x0000000004640000-0x0000000004650000-memory.dmp

      Filesize

      64KB

    • memory/3828-78-0x0000000006A70000-0x0000000006B13000-memory.dmp

      Filesize

      652KB

    • memory/3828-91-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/3828-55-0x000000007F920000-0x000000007F930000-memory.dmp

      Filesize

      64KB

    • memory/3828-56-0x00000000718B0000-0x00000000718FC000-memory.dmp

      Filesize

      304KB

    • memory/3828-53-0x0000000006050000-0x0000000006082000-memory.dmp

      Filesize

      200KB

    • memory/3828-52-0x0000000005B20000-0x0000000005B6C000-memory.dmp

      Filesize

      304KB

    • memory/3828-24-0x00000000049B0000-0x00000000049D2000-memory.dmp

      Filesize

      136KB