Windows 7 deprecation

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Analysis

  • max time kernel
    139s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 10:50

General

  • Target

    PAYMENT OF OUTSTANDING BILLS.pdf.exe

  • Size

    644KB

  • MD5

    432c2dd84816f93dcb064c273e51fe60

  • SHA1

    6c3c24235db1b66bf265ea3b103a592a5291d44e

  • SHA256

    721ca582a7a8e00d9421c1acaa52906cfe9219cb13be9646b713462e48198c54

  • SHA512

    ee04fbc1756eecc5907fbcda3003ccabaaf1244e20ee6296115e42979df6fcae67a35ccfc2fb995d3ce5f4f37da81892e41bf0ddf277056d038c01b728a69695

  • SSDEEP

    12288:KURF2iNqUCemnN5t3xUIa0bwol55hsqkMTVIAqXvfIKWOr8JCsBJ1D7j2mEVLIE:KCF14WmrjUtoVhsqkMVIpvAKb4teREE

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6170712575:AAElPWnx5Qa6DM6VEbCF2EKyxvGg9piYKdM/

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 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
  • 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\PAYMENT OF OUTSTANDING BILLS.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PAYMENT OF OUTSTANDING BILLS.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Qigahd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1548
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Qigahd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp71DF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4080
    • C:\Users\Admin\AppData\Local\Temp\PAYMENT OF OUTSTANDING BILLS.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PAYMENT OF OUTSTANDING BILLS.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PAYMENT OF OUTSTANDING BILLS.pdf.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0xdbtfle.rlu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp71DF.tmp

    Filesize

    1KB

    MD5

    32a95bcdda892d4f0b7e573d734cc35f

    SHA1

    c03a420a7d881d4269b639cc2463c475dd65e68c

    SHA256

    d88d22c3c1053d09b828daff1a1d7a884862ef1641d4a9daf5ece887c78f1c72

    SHA512

    06701e09332a8306aa8d81b33bf27ec3124cd8c8a3ba97e540a120edcf414fdc3a3f6ab3912191739472c9e0c74dd4692566b47f35d9241859c6e1d236c5ec19

  • memory/1148-4-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

    Filesize

    64KB

  • memory/1148-3-0x0000000004BE0000-0x0000000004C72000-memory.dmp

    Filesize

    584KB

  • memory/1148-5-0x0000000004B70000-0x0000000004B7A000-memory.dmp

    Filesize

    40KB

  • memory/1148-6-0x0000000004E60000-0x0000000004EFC000-memory.dmp

    Filesize

    624KB

  • memory/1148-7-0x00000000050F0000-0x00000000050FE000-memory.dmp

    Filesize

    56KB

  • memory/1148-8-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/1148-9-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

    Filesize

    64KB

  • memory/1148-10-0x0000000005180000-0x000000000518A000-memory.dmp

    Filesize

    40KB

  • memory/1148-11-0x0000000006480000-0x00000000064FC000-memory.dmp

    Filesize

    496KB

  • memory/1148-2-0x0000000005190000-0x0000000005734000-memory.dmp

    Filesize

    5.6MB

  • memory/1148-0-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/1148-1-0x00000000000D0000-0x0000000000178000-memory.dmp

    Filesize

    672KB

  • memory/1148-26-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/1548-30-0x0000000005690000-0x00000000056F6000-memory.dmp

    Filesize

    408KB

  • memory/1548-46-0x0000000070350000-0x000000007039C000-memory.dmp

    Filesize

    304KB

  • memory/1548-22-0x00000000057A0000-0x0000000005DC8000-memory.dmp

    Filesize

    6.2MB

  • memory/1548-20-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

    Filesize

    64KB

  • memory/1548-72-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/1548-19-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

    Filesize

    64KB

  • memory/1548-69-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

    Filesize

    64KB

  • memory/1548-28-0x0000000005430000-0x0000000005452000-memory.dmp

    Filesize

    136KB

  • memory/1548-68-0x0000000007A20000-0x0000000007A28000-memory.dmp

    Filesize

    32KB

  • memory/1548-18-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/1548-16-0x0000000002AB0000-0x0000000002AE6000-memory.dmp

    Filesize

    216KB

  • memory/1548-40-0x0000000005F40000-0x0000000006294000-memory.dmp

    Filesize

    3.3MB

  • memory/1548-41-0x00000000063F0000-0x000000000640E000-memory.dmp

    Filesize

    120KB

  • memory/1548-42-0x0000000006440000-0x000000000648C000-memory.dmp

    Filesize

    304KB

  • memory/1548-43-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

    Filesize

    64KB

  • memory/1548-44-0x000000007EE70000-0x000000007EE80000-memory.dmp

    Filesize

    64KB

  • memory/1548-45-0x00000000069D0000-0x0000000006A02000-memory.dmp

    Filesize

    200KB

  • memory/1548-67-0x0000000007A40000-0x0000000007A5A000-memory.dmp

    Filesize

    104KB

  • memory/1548-56-0x0000000006990000-0x00000000069AE000-memory.dmp

    Filesize

    120KB

  • memory/1548-57-0x00000000075C0000-0x0000000007663000-memory.dmp

    Filesize

    652KB

  • memory/1548-66-0x0000000007940000-0x0000000007954000-memory.dmp

    Filesize

    80KB

  • memory/1548-59-0x0000000007D40000-0x00000000083BA000-memory.dmp

    Filesize

    6.5MB

  • memory/1548-60-0x0000000007700000-0x000000000771A000-memory.dmp

    Filesize

    104KB

  • memory/1548-61-0x0000000007770000-0x000000000777A000-memory.dmp

    Filesize

    40KB

  • memory/1548-62-0x0000000007980000-0x0000000007A16000-memory.dmp

    Filesize

    600KB

  • memory/1548-63-0x0000000007900000-0x0000000007911000-memory.dmp

    Filesize

    68KB

  • memory/1548-64-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/1548-65-0x0000000007930000-0x000000000793E000-memory.dmp

    Filesize

    56KB

  • memory/1868-58-0x00000000065D0000-0x0000000006620000-memory.dmp

    Filesize

    320KB

  • memory/1868-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1868-29-0x00000000057A0000-0x0000000005806000-memory.dmp

    Filesize

    408KB

  • memory/1868-27-0x0000000005950000-0x0000000005960000-memory.dmp

    Filesize

    64KB

  • memory/1868-25-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/1868-73-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/1868-74-0x0000000005950000-0x0000000005960000-memory.dmp

    Filesize

    64KB