Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 09:58

General

  • Target

    new invoice.exe

  • Size

    743KB

  • MD5

    f52a3af798452ba8064246c1c05fca48

  • SHA1

    66327142382aac09b7b954a860a778e8921f3bfc

  • SHA256

    1ed60fc77b07f949a7cc3ced2dd0e0de84ce806a5ebb71d7fc51f31323f2b928

  • SHA512

    8520039308ec25ad01a08395bf875757d060ed4702561c001cd57430a660924afaedee8ac441148fce32562bd68fbecdd9675066842e2091a24800ccaee2fa12

  • SSDEEP

    12288:yBCAygw0Jxx2Nhy5BZvSkFleJSQEiqC1cS7Zx2DRZL6mJ5DTCa0mY:yRj3xky5vFIVqC19ZxsCmXCsY

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\new invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\new invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2044
    • 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\new invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1396
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LuPGIUTRrkvtes.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LuPGIUTRrkvtes" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7EF0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1968
    • 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:1436

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7EF0.tmp
    Filesize

    1KB

    MD5

    e6ec6a971c90e6f350ef613bee3081ab

    SHA1

    ec77d130ad52a7b1ff5b3aa9e3adf0ba4b25b98d

    SHA256

    4feb88d2b3282c7f0d881a87cd6084beb0dc746588e4c60fb2ea59c7adbb0c7d

    SHA512

    f4318742c949461ac5dc86c3e4c6818f390c67bb03beeb303387838f5aa505534c7afb811935ec422182127ff178bc40f4e075623d992eef0bc34aed4c85de4f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1RH2G0H2FHU1V30GIR16.temp
    Filesize

    7KB

    MD5

    60518d7dc00f51c2f44cb86fff8cb5ea

    SHA1

    21524877bd3a6596a9f83a11e1e16dbb067d1a4a

    SHA256

    d2ca2fbcb4f8b7fbc65261fe4f0b33dff1d094b0be908d1cf39efff8b15ba909

    SHA512

    4c4731fd3cfeb7c9f578986433cb9f1eac22d5b5430ba16628b33eb228322fbc6b94d5a0b3ad780f19925e8dce059a6f6fa5171b32bfd50ac3e34418b007ac57

  • memory/1396-39-0x000000006FD50000-0x00000000702FB000-memory.dmp
    Filesize

    5.7MB

  • memory/1396-23-0x000000006FD50000-0x00000000702FB000-memory.dmp
    Filesize

    5.7MB

  • memory/1396-20-0x000000006FD50000-0x00000000702FB000-memory.dmp
    Filesize

    5.7MB

  • memory/1436-24-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1436-33-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1436-41-0x0000000074ED0000-0x00000000755BE000-memory.dmp
    Filesize

    6.9MB

  • memory/1436-38-0x0000000004250000-0x0000000004290000-memory.dmp
    Filesize

    256KB

  • memory/1436-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/1436-37-0x0000000074ED0000-0x00000000755BE000-memory.dmp
    Filesize

    6.9MB

  • memory/1436-35-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1436-31-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1436-25-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1436-27-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1436-26-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1668-22-0x00000000024B0000-0x00000000024F0000-memory.dmp
    Filesize

    256KB

  • memory/1668-21-0x000000006FD50000-0x00000000702FB000-memory.dmp
    Filesize

    5.7MB

  • memory/1668-19-0x00000000024B0000-0x00000000024F0000-memory.dmp
    Filesize

    256KB

  • memory/1668-18-0x000000006FD50000-0x00000000702FB000-memory.dmp
    Filesize

    5.7MB

  • memory/1668-40-0x000000006FD50000-0x00000000702FB000-memory.dmp
    Filesize

    5.7MB

  • memory/2044-0-0x0000000000BA0000-0x0000000000C60000-memory.dmp
    Filesize

    768KB

  • memory/2044-2-0x0000000004E00000-0x0000000004E40000-memory.dmp
    Filesize

    256KB

  • memory/2044-36-0x0000000074ED0000-0x00000000755BE000-memory.dmp
    Filesize

    6.9MB

  • memory/2044-5-0x0000000005400000-0x0000000005482000-memory.dmp
    Filesize

    520KB

  • memory/2044-3-0x00000000008B0000-0x00000000008C2000-memory.dmp
    Filesize

    72KB

  • memory/2044-1-0x0000000074ED0000-0x00000000755BE000-memory.dmp
    Filesize

    6.9MB

  • memory/2044-4-0x0000000000940000-0x000000000094C000-memory.dmp
    Filesize

    48KB