Analysis

  • max time kernel
    84s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/06/2023, 01:38

General

  • Target

    0015bb398faf3d5bd6cce91271f01606686ea8cb73ae9c7f648dfff9d0091dfe.exe

  • Size

    644KB

  • MD5

    afa74da07fb864ddb332dcb897665b92

  • SHA1

    43269eef6d47b591cbea92726577061d1c781165

  • SHA256

    0015bb398faf3d5bd6cce91271f01606686ea8cb73ae9c7f648dfff9d0091dfe

  • SHA512

    49d2d691c34a336a10b9f8dba8747a12644052c64e49071c25baa956bb2f41c9b1b29191435c830473a53515d90c36706787a7dd22726c0df8bd0fca56b076f5

  • SSDEEP

    12288:T5dPG2fldQCGtQ9l05cLYfEiAuGauK08/kAkMDeOXNwEJnqKef/9CQ:Blmyl05cL8EiZ3uK08/SMDDNwSG9

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    valerehandstand.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ?z&YA$&W(LN?

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.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0015bb398faf3d5bd6cce91271f01606686ea8cb73ae9c7f648dfff9d0091dfe.exe
    "C:\Users\Admin\AppData\Local\Temp\0015bb398faf3d5bd6cce91271f01606686ea8cb73ae9c7f648dfff9d0091dfe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OjqgSgQ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1428
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OjqgSgQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9AAA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3932
    • C:\Users\Admin\AppData\Local\Temp\0015bb398faf3d5bd6cce91271f01606686ea8cb73ae9c7f648dfff9d0091dfe.exe
      "C:\Users\Admin\AppData\Local\Temp\0015bb398faf3d5bd6cce91271f01606686ea8cb73ae9c7f648dfff9d0091dfe.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4208

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1fiz5uea.5e4.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp9AAA.tmp

          Filesize

          1KB

          MD5

          e49373c81a56f3de0760f51b58ca1365

          SHA1

          0bc7dce28aaefbc749961f795c4c18367642aa34

          SHA256

          0900d3438d74f77a67f7badacd54e7458a6d0321aa235499f723a5ea6cacde2a

          SHA512

          9d097a4b99b88172c8007b6da1ab9a3a8e81181dbb78e6d45d58bff3957da7c7c02cb84fd53a74e9d7bf4a0980592a18717072ebaed859a9d00832127e83a325

        • memory/1428-181-0x0000000007470000-0x000000000747A000-memory.dmp

          Filesize

          40KB

        • memory/1428-179-0x0000000007A40000-0x00000000080BA000-memory.dmp

          Filesize

          6.5MB

        • memory/1428-185-0x0000000007730000-0x0000000007738000-memory.dmp

          Filesize

          32KB

        • memory/1428-184-0x0000000007740000-0x000000000775A000-memory.dmp

          Filesize

          104KB

        • memory/1428-183-0x0000000007640000-0x000000000764E000-memory.dmp

          Filesize

          56KB

        • memory/1428-144-0x00000000027D0000-0x0000000002806000-memory.dmp

          Filesize

          216KB

        • memory/1428-182-0x0000000007680000-0x0000000007716000-memory.dmp

          Filesize

          600KB

        • memory/1428-165-0x0000000004D90000-0x0000000004DA0000-memory.dmp

          Filesize

          64KB

        • memory/1428-180-0x0000000007400000-0x000000000741A000-memory.dmp

          Filesize

          104KB

        • memory/1428-151-0x0000000005330000-0x0000000005352000-memory.dmp

          Filesize

          136KB

        • memory/1428-149-0x0000000004D90000-0x0000000004DA0000-memory.dmp

          Filesize

          64KB

        • memory/1428-150-0x0000000004D90000-0x0000000004DA0000-memory.dmp

          Filesize

          64KB

        • memory/1428-178-0x00000000066A0000-0x00000000066BE000-memory.dmp

          Filesize

          120KB

        • memory/1428-158-0x0000000005A70000-0x0000000005AD6000-memory.dmp

          Filesize

          408KB

        • memory/1428-168-0x0000000070710000-0x000000007075C000-memory.dmp

          Filesize

          304KB

        • memory/1428-163-0x0000000006070000-0x000000000608E000-memory.dmp

          Filesize

          120KB

        • memory/1428-147-0x00000000053D0000-0x00000000059F8000-memory.dmp

          Filesize

          6.2MB

        • memory/1428-167-0x00000000066C0000-0x00000000066F2000-memory.dmp

          Filesize

          200KB

        • memory/1428-166-0x000000007F820000-0x000000007F830000-memory.dmp

          Filesize

          64KB

        • memory/4208-189-0x0000000006750000-0x00000000067A0000-memory.dmp

          Filesize

          320KB

        • memory/4208-190-0x0000000006970000-0x0000000006B32000-memory.dmp

          Filesize

          1.8MB

        • memory/4208-152-0x0000000004DE0000-0x0000000004E46000-memory.dmp

          Filesize

          408KB

        • memory/4208-146-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4208-164-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/4208-188-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/4396-134-0x00000000055D0000-0x0000000005B74000-memory.dmp

          Filesize

          5.6MB

        • memory/4396-135-0x00000000050D0000-0x0000000005162000-memory.dmp

          Filesize

          584KB

        • memory/4396-138-0x0000000005360000-0x0000000005370000-memory.dmp

          Filesize

          64KB

        • memory/4396-137-0x0000000005360000-0x0000000005370000-memory.dmp

          Filesize

          64KB

        • memory/4396-139-0x000000000ADE0000-0x000000000AE7C000-memory.dmp

          Filesize

          624KB

        • memory/4396-133-0x0000000000670000-0x0000000000718000-memory.dmp

          Filesize

          672KB

        • memory/4396-136-0x0000000005270000-0x000000000527A000-memory.dmp

          Filesize

          40KB