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Analysis

  • max time kernel
    116s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/06/2023, 05:15

General

  • Target

    Proforma Invoice.exe

  • Size

    1.3MB

  • MD5

    0dcce5c54658fc8e2282b8f737e93be5

  • SHA1

    622ed85d5cba99ac24d691b98b71ab7080074161

  • SHA256

    eb2e0bf52e69c88784e19aef53a2c0330d3151ce8d448c5c45de44f3fc965aa0

  • SHA512

    18307f094d771b865853a821bdb2f1dd885366208e44789787746e0a0b172e61597cb00b60c5e591a8c86aef17cf5241994659c1e92e6d9dc8c8354a876cd05f

  • SSDEEP

    24576:uVp0K8s6owsmKZw2XXPUOgnwy45hbCbsfeHzYTuxa1y+ceBwDdplNMn0:uVp0K8s6owzInPUOgwy4fVWa1jceBw9D

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1328
    • 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\Proforma Invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3536
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wEQFNT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wEQFNT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp89B2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4404
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1156

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    68c117db808a692b1e58fb482fda273e

    SHA1

    423777b6dd74cb89ff5628b665739e1b4c2d1450

    SHA256

    9e3c1f9172bc33701dcce6e6569352b341f72ac18ee8dfdb971c4135fc61a114

    SHA512

    69aa718eb261b6fd252db543f6af41bd4f34de36aff40bce61663161ee998f88bb24cd60c8ffbd300ba2cfefd242d2bc5f4d26f35169a0a69d760947910c7dbb

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3xyxzzqw.gpv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp89B2.tmp

    Filesize

    1KB

    MD5

    860b89789084bcb4534bc4332c6074bf

    SHA1

    6d65d89e762b14628009c89325f1e9c7e2784d09

    SHA256

    5364bd28c95a1431cca7c4d0634077c43e67bf1fd89b3ea33bb23c579278fe59

    SHA512

    5c61440a3e374a2d48077ef43b256de6a9aebfe29f10122eb061b3ec31cc4d17617c212bf6e9680e0954c2a7791f640318a9aedc69748a6990a71c05f4a181a3

  • memory/1156-214-0x0000000006740000-0x0000000006790000-memory.dmp

    Filesize

    320KB

  • memory/1156-150-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1156-174-0x0000000004F50000-0x0000000004F60000-memory.dmp

    Filesize

    64KB

  • memory/1156-154-0x0000000004E50000-0x0000000004EB6000-memory.dmp

    Filesize

    408KB

  • memory/1156-213-0x0000000004F50000-0x0000000004F60000-memory.dmp

    Filesize

    64KB

  • memory/1156-215-0x0000000006A60000-0x0000000006C22000-memory.dmp

    Filesize

    1.8MB

  • memory/1328-137-0x0000000004C90000-0x0000000004C9A000-memory.dmp

    Filesize

    40KB

  • memory/1328-139-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

    Filesize

    64KB

  • memory/1328-138-0x00000000057A0000-0x000000000583C000-memory.dmp

    Filesize

    624KB

  • memory/1328-133-0x0000000000010000-0x0000000000160000-memory.dmp

    Filesize

    1.3MB

  • memory/1328-136-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

    Filesize

    64KB

  • memory/1328-135-0x0000000004B40000-0x0000000004BD2000-memory.dmp

    Filesize

    584KB

  • memory/1328-134-0x0000000005050000-0x00000000055F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3536-203-0x00000000076D0000-0x00000000076EA000-memory.dmp

    Filesize

    104KB

  • memory/3536-205-0x0000000007950000-0x00000000079E6000-memory.dmp

    Filesize

    600KB

  • memory/3536-143-0x0000000004D80000-0x0000000004DB6000-memory.dmp

    Filesize

    216KB

  • memory/3536-146-0x0000000005480000-0x0000000005AA8000-memory.dmp

    Filesize

    6.2MB

  • memory/3536-148-0x0000000004E40000-0x0000000004E50000-memory.dmp

    Filesize

    64KB

  • memory/3536-207-0x0000000007A10000-0x0000000007A2A000-memory.dmp

    Filesize

    104KB

  • memory/3536-177-0x0000000004E40000-0x0000000004E50000-memory.dmp

    Filesize

    64KB

  • memory/3536-206-0x0000000007900000-0x000000000790E000-memory.dmp

    Filesize

    56KB

  • memory/3536-179-0x0000000070C50000-0x0000000070C9C000-memory.dmp

    Filesize

    304KB

  • memory/3536-204-0x0000000007740000-0x000000000774A000-memory.dmp

    Filesize

    40KB

  • memory/3536-198-0x0000000006960000-0x000000000697E000-memory.dmp

    Filesize

    120KB

  • memory/3536-147-0x0000000004E40000-0x0000000004E50000-memory.dmp

    Filesize

    64KB

  • memory/3536-201-0x000000007F710000-0x000000007F720000-memory.dmp

    Filesize

    64KB

  • memory/4880-202-0x00000000078A0000-0x0000000007F1A000-memory.dmp

    Filesize

    6.5MB

  • memory/4880-200-0x000000007F8E0000-0x000000007F8F0000-memory.dmp

    Filesize

    64KB

  • memory/4880-180-0x0000000070C50000-0x0000000070C9C000-memory.dmp

    Filesize

    304KB

  • memory/4880-155-0x0000000005130000-0x0000000005196000-memory.dmp

    Filesize

    408KB

  • memory/4880-178-0x0000000006F20000-0x0000000006F52000-memory.dmp

    Filesize

    200KB

  • memory/4880-176-0x0000000004C30000-0x0000000004C40000-memory.dmp

    Filesize

    64KB

  • memory/4880-208-0x0000000007570000-0x0000000007578000-memory.dmp

    Filesize

    32KB

  • memory/4880-149-0x0000000004C30000-0x0000000004C40000-memory.dmp

    Filesize

    64KB

  • memory/4880-175-0x0000000005F50000-0x0000000005F6E000-memory.dmp

    Filesize

    120KB

  • memory/4880-151-0x0000000004C30000-0x0000000004C40000-memory.dmp

    Filesize

    64KB

  • memory/4880-153-0x0000000004F90000-0x0000000004FB2000-memory.dmp

    Filesize

    136KB