Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 02:40

General

  • Target

    dcbddff42e50fade6b316fdc7318a4bd625ce6aee2fabd2e51c2b41d81496622.exe

  • Size

    693KB

  • MD5

    b918aa89a363f91295ee9999b77d65f9

  • SHA1

    8227eafe3186f49bef2b63d2c32bd3b1c50e11c0

  • SHA256

    dcbddff42e50fade6b316fdc7318a4bd625ce6aee2fabd2e51c2b41d81496622

  • SHA512

    9474577101f3f516e05a1c64b3b31500bf5f6343d9a47b913e240db8999bd5a09305fe58e152bab50f672860db807f417c2e7d7f9dffdc648841b2602847a5c6

  • SSDEEP

    12288:XueH5qp5ImjiCLAj4b+lH7xUuQiePh3dQuKGcteTr4eN:FqAuDjb+Pf6hFKGAh

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcbddff42e50fade6b316fdc7318a4bd625ce6aee2fabd2e51c2b41d81496622.exe
    "C:\Users\Admin\AppData\Local\Temp\dcbddff42e50fade6b316fdc7318a4bd625ce6aee2fabd2e51c2b41d81496622.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AgHbnQimXGekI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AgHbnQimXGekI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA592.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2856
    • C:\Users\Admin\AppData\Local\Temp\dcbddff42e50fade6b316fdc7318a4bd625ce6aee2fabd2e51c2b41d81496622.exe
      "C:\Users\Admin\AppData\Local\Temp\dcbddff42e50fade6b316fdc7318a4bd625ce6aee2fabd2e51c2b41d81496622.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA592.tmp

    Filesize

    1KB

    MD5

    b09580eafd4bf42df10945db73fc9754

    SHA1

    e5af0764809c98357d2e229abe80c7e19277f9f3

    SHA256

    8d2f01180c1eb386023b1f2c153cfb90a849626953fe363e562772fd03908edb

    SHA512

    d2171e890e07223818216c19e46d918214ebfade70291f5f18b6d9ecc31d650d4bb31b5cb39415a67c759cfac0b031cc11cf6b70964c72bfe779def4ef9db9f4

  • memory/2176-25-0x0000000074740000-0x0000000074E2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2176-1-0x0000000074740000-0x0000000074E2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2176-2-0x0000000000CF0000-0x0000000000D30000-memory.dmp

    Filesize

    256KB

  • memory/2176-3-0x00000000003E0000-0x00000000003FA000-memory.dmp

    Filesize

    104KB

  • memory/2176-4-0x00000000002B0000-0x00000000002B8000-memory.dmp

    Filesize

    32KB

  • memory/2176-5-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2176-6-0x0000000004AD0000-0x0000000004B4A000-memory.dmp

    Filesize

    488KB

  • memory/2176-0-0x00000000011A0000-0x0000000001254000-memory.dmp

    Filesize

    720KB

  • memory/2772-33-0x00000000705E0000-0x0000000070B8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2772-32-0x00000000705E0000-0x0000000070B8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2772-31-0x00000000705E0000-0x0000000070B8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2860-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2860-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2860-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2860-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2860-30-0x0000000073650000-0x0000000073D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2860-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2860-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2860-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2860-34-0x0000000073650000-0x0000000073D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2860-35-0x0000000004A90000-0x0000000004AD0000-memory.dmp

    Filesize

    256KB