Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2023 15:45

General

  • Target

    OUTSTANDING INVOICE.pdf_____________________________________________________________________________.exe

  • Size

    909KB

  • MD5

    0167b00f658c04b84b22927a449106eb

  • SHA1

    177e099d9470f371f53d063b9c68703cde2b6977

  • SHA256

    1fa497fd2ea5004a12f885d7dac2b47c0494aae2fbe45eb70f96a7f3bb03cbd1

  • SHA512

    d4bc3736404708398349efb8f190887c48d7d06f86115a2a51ebd030fea031230892e86614aff3a2bcd75c4fa67d902cfd1ed72a960e7dc41e68f99219d2253f

  • SSDEEP

    24576:9Tm4Qyr3+0Dda+2GBxy0QbiU+XL9XKMvO:xm4Y0DtvBQbL8LT

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 2 IoCs

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

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OUTSTANDING INVOICE.pdf_____________________________________________________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\OUTSTANDING INVOICE.pdf_____________________________________________________________________________.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1736
    • 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\OUTSTANDING INVOICE.pdf_____________________________________________________________________________.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gbEFiipzn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gbEFiipzn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBDC3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBDC3.tmp

    Filesize

    1KB

    MD5

    c15adb57db42e6f36e48d860da1be31a

    SHA1

    17cf78600f672cd51adf2b64cb2aff34fb981ef3

    SHA256

    cbf371ebec2b5c67d835b87d84267658e26ace10555f76548272ce07ded350ff

    SHA512

    50d0bb788ccd0483a9a8f4482aee92a24d75bfda2361317f95e7fdbf26d72641569370664547140ddd32b80e5a618d7d3ae9ed3626e0c65a9755cfb13a093c26

  • memory/1736-0-0x0000000001040000-0x000000000112A000-memory.dmp

    Filesize

    936KB

  • memory/1736-1-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/1736-2-0x0000000004F90000-0x0000000004FD0000-memory.dmp

    Filesize

    256KB

  • memory/1736-3-0x00000000003F0000-0x0000000000408000-memory.dmp

    Filesize

    96KB

  • memory/1736-4-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1736-5-0x0000000000340000-0x000000000034A000-memory.dmp

    Filesize

    40KB

  • memory/1736-6-0x0000000005A50000-0x0000000005ACA000-memory.dmp

    Filesize

    488KB

  • memory/1736-12-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/1736-30-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2580-36-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-39-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2712-31-0x000000006FAC0000-0x000000007006B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-34-0x000000006FAC0000-0x000000007006B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-35-0x00000000023C0000-0x0000000002400000-memory.dmp

    Filesize

    256KB

  • memory/2712-33-0x00000000023C0000-0x0000000002400000-memory.dmp

    Filesize

    256KB

  • memory/2712-38-0x000000006FAC0000-0x000000007006B000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-37-0x000000006FAC0000-0x000000007006B000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-32-0x000000006FAC0000-0x000000007006B000-memory.dmp

    Filesize

    5.7MB