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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 02:00

General

  • Target

    930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.exe

  • Size

    706KB

  • MD5

    72f1e1ddfa5d30ab6d6bec9a51c07184

  • SHA1

    3d500f66cddd83375d9491802197ebcfb3c295b6

  • SHA256

    930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285

  • SHA512

    0865cc5308fcae5afa3cdcf9b6eca1a8fea9c29c4e6337589d3363beee05f382a00193d168aaf001c3f95a43a8dfc637f06997375370c188cf94a7ee7617846b

  • SSDEEP

    12288:qnCe1AmEQmgL9CDE0NyDOSGbJf0wI78JotGc4FFrgdpHZOJUZEkvInz2s0JZ96kR:S1bEeCDE0NImJfjG8+tGlBgdZZOXSvJR

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    $yxZKP=c)$k#

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    $yxZKP=c)$k#

Signatures

  • AgentTesla

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

  • 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 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.exe
    "C:\Users\Admin\AppData\Local\Temp\930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4624
    • 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\930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3136
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TBGhkdqf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2916
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TBGhkdqf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21BC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2588
    • C:\Users\Admin\AppData\Local\Temp\930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.exe
      "C:\Users\Admin\AppData\Local\Temp\930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.exe"
      2⤵
        PID:2688
      • C:\Users\Admin\AppData\Local\Temp\930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.exe
        "C:\Users\Admin\AppData\Local\Temp\930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:584

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\930f11744b7893c4f7fd88b2838cfe11a63bac6e1c4f4569041ccaa8b9f44285.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

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

      Filesize

      18KB

      MD5

      8b276a9d9356c20a150d051a1beb8577

      SHA1

      554a0fb50f0284bc1ed1883ea6bdf8dd7bfafd46

      SHA256

      b13f9361ca563142812ad99c4a3ec62ec853060b70eadfcdc4cc060435882d93

      SHA512

      3398cb44eeb6831be35227e21649ee5535bf463041bf392e1a51f7801565fa08bcca6097d78c04bb47d3dc58daca7414007e8330bcd8492b7372070ddaadaabe

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4nc1tbrp.ti4.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp21BC.tmp

      Filesize

      1KB

      MD5

      ba24ec9dd27f59535915bc9226cf1467

      SHA1

      c6135e12d3d250678b7b0909932b803f92b77d7a

      SHA256

      7a2f741dee736c2b0e06bfe43592c532432d9b424ea308f3b089805c22f0fad6

      SHA512

      5b4e9f2d31346bf7ed4b1e958c11db719994e539f8fbddc17f1264ba1fa1ad2bc0b0c570897098fd0c9721707dc28c75b2575abff1c540f7c71702de867a2233

    • memory/584-37-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/584-91-0x0000000007010000-0x0000000007060000-memory.dmp

      Filesize

      320KB

    • memory/2916-80-0x0000000007420000-0x000000000742E000-memory.dmp

      Filesize

      56KB

    • memory/2916-79-0x00000000073F0000-0x0000000007401000-memory.dmp

      Filesize

      68KB

    • memory/2916-76-0x00000000071F0000-0x000000000720A000-memory.dmp

      Filesize

      104KB

    • memory/2916-64-0x0000000071530000-0x000000007157C000-memory.dmp

      Filesize

      304KB

    • memory/2916-35-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2916-81-0x0000000007430000-0x0000000007444000-memory.dmp

      Filesize

      80KB

    • memory/2916-20-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2916-90-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2916-25-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3136-16-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3136-63-0x00000000074A0000-0x00000000074BE000-memory.dmp

      Filesize

      120KB

    • memory/3136-24-0x0000000005C50000-0x0000000005CB6000-memory.dmp

      Filesize

      408KB

    • memory/3136-18-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3136-23-0x0000000005BE0000-0x0000000005C46000-memory.dmp

      Filesize

      408KB

    • memory/3136-22-0x0000000005A40000-0x0000000005A62000-memory.dmp

      Filesize

      136KB

    • memory/3136-17-0x0000000005410000-0x0000000005A38000-memory.dmp

      Filesize

      6.2MB

    • memory/3136-89-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3136-36-0x0000000005DC0000-0x0000000006114000-memory.dmp

      Filesize

      3.3MB

    • memory/3136-15-0x0000000004D00000-0x0000000004D36000-memory.dmp

      Filesize

      216KB

    • memory/3136-83-0x0000000007910000-0x0000000007918000-memory.dmp

      Filesize

      32KB

    • memory/3136-82-0x0000000007930000-0x000000000794A000-memory.dmp

      Filesize

      104KB

    • memory/3136-50-0x00000000062C0000-0x00000000062DE000-memory.dmp

      Filesize

      120KB

    • memory/3136-51-0x0000000006420000-0x000000000646C000-memory.dmp

      Filesize

      304KB

    • memory/3136-52-0x0000000007260000-0x0000000007292000-memory.dmp

      Filesize

      200KB

    • memory/3136-53-0x0000000071530000-0x000000007157C000-memory.dmp

      Filesize

      304KB

    • memory/3136-78-0x0000000007870000-0x0000000007906000-memory.dmp

      Filesize

      600KB

    • memory/3136-19-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3136-74-0x00000000074C0000-0x0000000007563000-memory.dmp

      Filesize

      652KB

    • memory/3136-75-0x0000000007C30000-0x00000000082AA000-memory.dmp

      Filesize

      6.5MB

    • memory/3136-77-0x0000000007660000-0x000000000766A000-memory.dmp

      Filesize

      40KB

    • memory/4624-8-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4624-9-0x00000000075C0000-0x0000000007644000-memory.dmp

      Filesize

      528KB

    • memory/4624-7-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

      Filesize

      4KB

    • memory/4624-6-0x0000000005E40000-0x0000000005E58000-memory.dmp

      Filesize

      96KB

    • memory/4624-5-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

      Filesize

      40KB

    • memory/4624-49-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4624-10-0x0000000007820000-0x00000000078BC000-memory.dmp

      Filesize

      624KB

    • memory/4624-4-0x0000000074D40000-0x00000000754F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4624-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

      Filesize

      584KB

    • memory/4624-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

      Filesize

      4KB

    • memory/4624-2-0x00000000051E0000-0x0000000005784000-memory.dmp

      Filesize

      5.6MB

    • memory/4624-1-0x0000000000190000-0x0000000000244000-memory.dmp

      Filesize

      720KB