Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 17:46

General

  • Target

    20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe

  • Size

    1.1MB

  • MD5

    f4d1eb5df87d3c4367610ea748e3328f

  • SHA1

    cca9813afa027669b352d9efa864cb3689580383

  • SHA256

    20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2

  • SHA512

    9c36c6aa7f6f18df97ecf0acc2708d96268c54437c8d5411e5a429e5977a4e328f9a0b4c1a4ee7fa8818337d8af5162b06d7d3972207328f06247f094736a91f

  • SSDEEP

    24576:FqDEvCTbMWu7rQYlBQcBiT6rprG8aFoauhP3:FTvC/MTQYxsWR7aFVuhP

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe
    "C:\Users\Admin\AppData\Local\Temp\20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Users\Admin\AppData\Local\Temp\GMSKqj.exe
      C:\Users\Admin\AppData\Local\Temp\GMSKqj.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\22921ab8.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3400
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QOWVUGSW\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\22921ab8.bat

    Filesize

    187B

    MD5

    5652e59ad662454a8c847714e78a5fe4

    SHA1

    7fb535c87951fa6cbbdcbedd7fe88affff3df570

    SHA256

    0133e27683f8b3daf04afad67fb1d4bac519d772ea7e405876e9f414e20e971d

    SHA512

    df8fe5561f79d1485376be24c03f154bb34c0e2b11a3e7e7756a05ecf94939ec48b1f263dee4af465a13e7306665f207f570590fc2d77909e1f981e24199e319

  • C:\Users\Admin\AppData\Local\Temp\44BE5161.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\GMSKqj.exe

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/1128-57-0x0000000000200000-0x0000000000209000-memory.dmp

    Filesize

    36KB

  • memory/1128-5-0x0000000000200000-0x0000000000209000-memory.dmp

    Filesize

    36KB

  • memory/2528-59-0x00000000007C0000-0x0000000000802000-memory.dmp

    Filesize

    264KB

  • memory/2528-61-0x00000000738AE000-0x00000000738AF000-memory.dmp

    Filesize

    4KB

  • memory/2528-62-0x0000000005440000-0x00000000059E4000-memory.dmp

    Filesize

    5.6MB

  • memory/2528-63-0x0000000004E10000-0x0000000004E76000-memory.dmp

    Filesize

    408KB

  • memory/2528-64-0x00000000738A0000-0x0000000074050000-memory.dmp

    Filesize

    7.7MB

  • memory/2528-65-0x0000000006230000-0x0000000006280000-memory.dmp

    Filesize

    320KB

  • memory/2528-66-0x00000000063A0000-0x0000000006432000-memory.dmp

    Filesize

    584KB

  • memory/2528-67-0x0000000006340000-0x000000000634A000-memory.dmp

    Filesize

    40KB

  • memory/2528-68-0x00000000738AE000-0x00000000738AF000-memory.dmp

    Filesize

    4KB

  • memory/2528-69-0x00000000738A0000-0x0000000074050000-memory.dmp

    Filesize

    7.7MB

  • memory/4572-17-0x00000000033F0000-0x00000000033F4000-memory.dmp

    Filesize

    16KB

  • memory/4572-0-0x0000000000FF0000-0x000000000111C000-memory.dmp

    Filesize

    1.2MB

  • memory/4572-60-0x0000000000FF0000-0x000000000111C000-memory.dmp

    Filesize

    1.2MB