Analysis

  • max time kernel
    93s
  • 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
    24-09-2024 14:02

General

  • Target

    PO Invoice XJ210821Q.PDF.exe

  • Size

    664KB

  • MD5

    ec1d27d0c50590f58a3d43b8b979e4dc

  • SHA1

    bb6768eec71bd66c50a94b21cdd059994dc264b3

  • SHA256

    c17e06753e71aa66826658cc44f2e620b39d0e52b26d7dc5747ad5966f0ae0a3

  • SHA512

    2bf4090a6bc11e8a5b2055752a51d008aedd7f4dc3483282194b9666f19840ababa805aa18dfccf6d994d46ddf4503e5abed7201556b6388d38af93e6c890aa1

  • SSDEEP

    12288:LhdPAcO4nEOS405ZbvTAuWelX2QqycJGD7uoj6C/e8bQbGsxykR:LvlS405PX2QqRGD7u/ClIGoB

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    x6p2^m#1#~+O

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    x6p2^m#1#~+O

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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.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:8
    • 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\PO Invoice XJ210821Q.PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2308
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FBEgLGhUrO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3304
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FBEgLGhUrO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1620
    • C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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

    d28daf8e8c097e0b074181501a2828e1

    SHA1

    ec29c4156291a561b4fac5cafda6b9c7b3c2ea41

    SHA256

    e08ad89843006d51feb199a59e322da77c79498642fe5b29db780dbd669c6768

    SHA512

    3c877446d2a68682d9afe4ef3127a185990baf916c2a473359ff9dfacf20548376ce86290681b5d20b5ae4efd69608971d426cf3f566006c7b1aa5a6dc086351

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ilknphb.bj0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp

    Filesize

    1KB

    MD5

    e098b81dfd582a1c12cb9852f268a8fd

    SHA1

    d51ae81a5a4dec20998a10eb01528d1c73affffb

    SHA256

    cade9e5d5d6b26fd044cf7fb21a361ec33365b2ed647388cffb472a216e6a62a

    SHA512

    a5ace5e3eda97e68a439a8ba19a1dad6152d0c83fd887a88d9090f3277265f67be1b1fc44e581d72162d20783e31b4e97e58747c51e6f93f803e9e1db098f2a6

  • memory/8-4-0x0000000005660000-0x000000000566A000-memory.dmp

    Filesize

    40KB

  • memory/8-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

    Filesize

    4KB

  • memory/8-6-0x0000000005860000-0x0000000005872000-memory.dmp

    Filesize

    72KB

  • memory/8-7-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

    Filesize

    4KB

  • memory/8-8-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/8-9-0x0000000009140000-0x00000000091C4000-memory.dmp

    Filesize

    528KB

  • memory/8-10-0x000000000B980000-0x000000000BA1C000-memory.dmp

    Filesize

    624KB

  • memory/8-39-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/8-3-0x00000000054D0000-0x0000000005562000-memory.dmp

    Filesize

    584KB

  • memory/8-1-0x0000000000A20000-0x0000000000AC8000-memory.dmp

    Filesize

    672KB

  • memory/8-5-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/8-2-0x0000000005A80000-0x0000000006024000-memory.dmp

    Filesize

    5.6MB

  • memory/1152-79-0x0000000006590000-0x00000000065E0000-memory.dmp

    Filesize

    320KB

  • memory/1152-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2308-29-0x0000000006340000-0x0000000006694000-memory.dmp

    Filesize

    3.3MB

  • memory/2308-80-0x0000000007E90000-0x0000000007E9E000-memory.dmp

    Filesize

    56KB

  • memory/2308-90-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-28-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-15-0x0000000003020000-0x0000000003056000-memory.dmp

    Filesize

    216KB

  • memory/2308-17-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-18-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-23-0x0000000006260000-0x00000000062C6000-memory.dmp

    Filesize

    408KB

  • memory/2308-22-0x00000000061C0000-0x00000000061E2000-memory.dmp

    Filesize

    136KB

  • memory/2308-49-0x0000000006940000-0x000000000695E000-memory.dmp

    Filesize

    120KB

  • memory/2308-50-0x00000000069D0000-0x0000000006A1C000-memory.dmp

    Filesize

    304KB

  • memory/2308-52-0x0000000071240000-0x000000007128C000-memory.dmp

    Filesize

    304KB

  • memory/2308-51-0x00000000078C0000-0x00000000078F2000-memory.dmp

    Filesize

    200KB

  • memory/2308-62-0x00000000078A0000-0x00000000078BE000-memory.dmp

    Filesize

    120KB

  • memory/2308-63-0x0000000007B10000-0x0000000007BB3000-memory.dmp

    Filesize

    652KB

  • memory/2308-83-0x0000000007F80000-0x0000000007F88000-memory.dmp

    Filesize

    32KB

  • memory/2308-74-0x0000000008300000-0x000000000897A000-memory.dmp

    Filesize

    6.5MB

  • memory/2308-75-0x0000000007C50000-0x0000000007C6A000-memory.dmp

    Filesize

    104KB

  • memory/2308-81-0x0000000007EA0000-0x0000000007EB4000-memory.dmp

    Filesize

    80KB

  • memory/2308-77-0x0000000007EE0000-0x0000000007F76000-memory.dmp

    Filesize

    600KB

  • memory/2308-24-0x00000000062D0000-0x0000000006336000-memory.dmp

    Filesize

    408KB

  • memory/2308-16-0x0000000005B90000-0x00000000061B8000-memory.dmp

    Filesize

    6.2MB

  • memory/3304-78-0x0000000007A90000-0x0000000007AA1000-memory.dmp

    Filesize

    68KB

  • memory/3304-76-0x0000000007900000-0x000000000790A000-memory.dmp

    Filesize

    40KB

  • memory/3304-82-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

    Filesize

    104KB

  • memory/3304-64-0x0000000071240000-0x000000007128C000-memory.dmp

    Filesize

    304KB

  • memory/3304-20-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-21-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-25-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-89-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB