Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2023 16:55

General

  • Target

    STATEMENTOFACCOUNT.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 1 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\STATEMENTOFACCOUNT.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\STATEMENTOFACCOUNT.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • 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\STATEMENTOFACCOUNT.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • 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:2812
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gbEFiipzn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp628A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2844
    • 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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp628A.tmp

    Filesize

    1KB

    MD5

    a58c206e6d8e365a0203e5aed2d6322a

    SHA1

    5c1f1ffa70f50b0bee25edb5c43fc51954ed5105

    SHA256

    5c6fac2413356a987de55b20ee1238cb2e799ec3caa355546d8bdb5d04f0aa62

    SHA512

    6a1b06f6ebd99b51750184905df26c8633ee73a822a725cfcb0578bf2609701e37ee6d5bb4970469e2783dc50d22c54d205f963e4fbd4fd00f99790b82a3fcca

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    a61e4dc3c218188abb6eda32a2a2c405

    SHA1

    9fe5983597bcdd29de7a5701ba94649ee607c012

    SHA256

    23bdf3bc3562982300969d5fb6941bc3b72d62a60294e7a40a9a2f631ae2819b

    SHA512

    4b40d629799f51ced95da404a584ef97631441ffcd2fa82a552e051db477a8141825a9aa301a00de4dfe168cbde78c22b5d7aa0dce8a7c265fa11bb8a560f707

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    a61e4dc3c218188abb6eda32a2a2c405

    SHA1

    9fe5983597bcdd29de7a5701ba94649ee607c012

    SHA256

    23bdf3bc3562982300969d5fb6941bc3b72d62a60294e7a40a9a2f631ae2819b

    SHA512

    4b40d629799f51ced95da404a584ef97631441ffcd2fa82a552e051db477a8141825a9aa301a00de4dfe168cbde78c22b5d7aa0dce8a7c265fa11bb8a560f707

  • memory/1988-3-0x00000000006B0000-0x00000000006C8000-memory.dmp

    Filesize

    96KB

  • memory/1988-4-0x0000000000530000-0x0000000000536000-memory.dmp

    Filesize

    24KB

  • memory/1988-5-0x0000000000710000-0x000000000071A000-memory.dmp

    Filesize

    40KB

  • memory/1988-6-0x00000000003F0000-0x000000000046A000-memory.dmp

    Filesize

    488KB

  • memory/1988-35-0x0000000004C30000-0x0000000004C70000-memory.dmp

    Filesize

    256KB

  • memory/1988-2-0x0000000004C30000-0x0000000004C70000-memory.dmp

    Filesize

    256KB

  • memory/1988-1-0x00000000740D0000-0x00000000747BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1988-19-0x00000000740D0000-0x00000000747BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1988-43-0x00000000740D0000-0x00000000747BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1988-0-0x0000000000300000-0x00000000003EA000-memory.dmp

    Filesize

    936KB

  • memory/2580-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2580-45-0x0000000072DD0000-0x00000000734BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-50-0x0000000004AC0000-0x0000000004B00000-memory.dmp

    Filesize

    256KB

  • memory/2580-49-0x0000000072DD0000-0x00000000734BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-46-0x0000000004AC0000-0x0000000004B00000-memory.dmp

    Filesize

    256KB

  • memory/2580-34-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

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

    Filesize

    256KB

  • memory/2580-44-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-41-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

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

    Filesize

    256KB

  • memory/2580-39-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2672-22-0x000000006EF60000-0x000000006F50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2672-33-0x0000000002930000-0x0000000002970000-memory.dmp

    Filesize

    256KB

  • memory/2672-47-0x000000006EF60000-0x000000006F50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2672-26-0x000000006EF60000-0x000000006F50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2812-29-0x00000000003B0000-0x00000000003F0000-memory.dmp

    Filesize

    256KB

  • memory/2812-20-0x000000006EF60000-0x000000006F50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2812-23-0x00000000003B0000-0x00000000003F0000-memory.dmp

    Filesize

    256KB

  • memory/2812-31-0x00000000003B0000-0x00000000003F0000-memory.dmp

    Filesize

    256KB

  • memory/2812-48-0x000000006EF60000-0x000000006F50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2812-28-0x000000006EF60000-0x000000006F50B000-memory.dmp

    Filesize

    5.7MB