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Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2024, 14:53

General

  • Target

    b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe

  • Size

    752KB

  • MD5

    ff97fec579778776ce97d2d0118bdae5

  • SHA1

    22914dbd72f9392dc7ebcdf96c3ea82547ff0dfe

  • SHA256

    b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def

  • SHA512

    4dfe864b296218f894f87a5df34110983a5429d6fd3900359230ebf23962420b28cd766dcdecf3b075134572a927e0f0313244b1e7f3f3f981c257712664bf5c

  • SSDEEP

    12288:1wfLnnvchm2rbS1jpdNvCFjG172tqYOkoWFiKkIYLJ6UEQgVhhaHFw1GfCo/Tn:Wb0hmYbSdNKFjG1CaWFiK4E7VxoTn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cup.org.pk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Cup@123#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe
    "C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3528
    • 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\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FqIjunRNR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FqIjunRNR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE29.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1392
    • C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe
      "C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    5f4ce9290306a2ad954f1471bf2e2287

    SHA1

    5c5b4cc6bf7b577464d8cef05a96d6dcb015e3eb

    SHA256

    e8a72a8102c35ad31e30923d7ef7ae6b6aacf03ecf535948fdff427134441244

    SHA512

    f0a40be2bd9118df28a47fb9c8f44ddd149fd70125a6e65c004b0c154d74a12278d409bfdc48606ab9692beaa86fa71f37aca5a67b953f991ef219d1b2fb3fa3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cgvu34lg.2ay.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpEE29.tmp

    Filesize

    1KB

    MD5

    a19401604f716c885cf7e6422d183dba

    SHA1

    853d5dce13e9cdac5e840782bc89efef333bdbd3

    SHA256

    f9663f0dcf9b0cd58d2e268ca93ffdbbf8713b5c2fd805cd1f8f5d31c4819932

    SHA512

    07d0520ed4101bfd62d4cc9bd6bebbe49678b818451a8cc1335c4da932d0e0974fe3a64747045ff2935859f605abbdb940c6117ac5db95deaa507bcb81a3879e

  • memory/2928-77-0x0000000007B70000-0x00000000081EA000-memory.dmp

    Filesize

    6.5MB

  • memory/2928-79-0x00000000075A0000-0x00000000075AA000-memory.dmp

    Filesize

    40KB

  • memory/2928-92-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2928-85-0x0000000007850000-0x0000000007858000-memory.dmp

    Filesize

    32KB

  • memory/2928-84-0x0000000007870000-0x000000000788A000-memory.dmp

    Filesize

    104KB

  • memory/2928-82-0x0000000007760000-0x000000000776E000-memory.dmp

    Filesize

    56KB

  • memory/2928-81-0x0000000007730000-0x0000000007741000-memory.dmp

    Filesize

    68KB

  • memory/2928-78-0x0000000007530000-0x000000000754A000-memory.dmp

    Filesize

    104KB

  • memory/2928-66-0x00000000071F0000-0x0000000007293000-memory.dmp

    Filesize

    652KB

  • memory/2928-19-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2928-18-0x0000000004C60000-0x0000000004C96000-memory.dmp

    Filesize

    216KB

  • memory/2928-21-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2928-20-0x00000000053B0000-0x00000000059D8000-memory.dmp

    Filesize

    6.2MB

  • memory/2928-22-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2928-65-0x00000000071C0000-0x00000000071DE000-memory.dmp

    Filesize

    120KB

  • memory/2928-54-0x0000000007180000-0x00000000071B2000-memory.dmp

    Filesize

    200KB

  • memory/2928-55-0x0000000075B00000-0x0000000075B4C000-memory.dmp

    Filesize

    304KB

  • memory/2928-26-0x0000000005A90000-0x0000000005AB2000-memory.dmp

    Filesize

    136KB

  • memory/2928-27-0x0000000005B30000-0x0000000005B96000-memory.dmp

    Filesize

    408KB

  • memory/2928-28-0x0000000005BA0000-0x0000000005C06000-memory.dmp

    Filesize

    408KB

  • memory/2928-83-0x0000000007770000-0x0000000007784000-memory.dmp

    Filesize

    80KB

  • memory/2928-47-0x0000000005D10000-0x0000000006064000-memory.dmp

    Filesize

    3.3MB

  • memory/2960-23-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-24-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-91-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-52-0x0000000006190000-0x00000000061AE000-memory.dmp

    Filesize

    120KB

  • memory/2960-53-0x00000000061D0000-0x000000000621C000-memory.dmp

    Filesize

    304KB

  • memory/2960-80-0x0000000007750000-0x00000000077E6000-memory.dmp

    Filesize

    600KB

  • memory/2960-67-0x0000000075B00000-0x0000000075B4C000-memory.dmp

    Filesize

    304KB

  • memory/3528-1-0x0000000000AC0000-0x0000000000B80000-memory.dmp

    Filesize

    768KB

  • memory/3528-51-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-3-0x00000000055A0000-0x0000000005632000-memory.dmp

    Filesize

    584KB

  • memory/3528-0-0x000000007525E000-0x000000007525F000-memory.dmp

    Filesize

    4KB

  • memory/3528-6-0x00000000057F0000-0x000000000588C000-memory.dmp

    Filesize

    624KB

  • memory/3528-5-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-12-0x0000000006950000-0x00000000069D4000-memory.dmp

    Filesize

    528KB

  • memory/3528-11-0x00000000068F0000-0x00000000068FE000-memory.dmp

    Filesize

    56KB

  • memory/3528-10-0x00000000068E0000-0x00000000068E8000-memory.dmp

    Filesize

    32KB

  • memory/3528-13-0x0000000009020000-0x00000000090BC000-memory.dmp

    Filesize

    624KB

  • memory/3528-9-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-8-0x000000007525E000-0x000000007525F000-memory.dmp

    Filesize

    4KB

  • memory/3528-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3528-4-0x0000000005570000-0x000000000557A000-memory.dmp

    Filesize

    40KB

  • memory/3528-7-0x0000000005B20000-0x0000000005B32000-memory.dmp

    Filesize

    72KB

  • memory/4452-48-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4452-93-0x0000000006450000-0x00000000064A0000-memory.dmp

    Filesize

    320KB