Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 02:10

General

  • Target

    b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe

  • Size

    936KB

  • MD5

    92e31906e68e746776729036b82e59a1

  • SHA1

    40f9317b50000be6b391d07911e68f2a206a98f8

  • SHA256

    b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41

  • SHA512

    4f2ccbe7df1b29faef95c3199ed9cdc103bd66af4ba7efc8905cad9a33bc8deefd6b31a9f898b2780bfeb3e02b08f962a917edfd9001881afc4eb34db85e9317

  • SSDEEP

    24576:bnUoby03y3pDpO6BAjCC/ntp7ugb8fzW1YYuX0J:bUCcE6+jCCPbugczWZdJ

Malware Config

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.

  • Looks up external IP address via web service 2 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe
    "C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1944
    • 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\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3968
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BPBHACGkcaHInS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1684
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BPBHACGkcaHInS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C30.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2056
    • C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe
      "C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.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

    403e95a959510199e01ee89528cf2b21

    SHA1

    34a74d3aaca48e7548e90af9b3a8e7d5f0b80750

    SHA256

    27e49e1934b7d5d26bbc52a8d4c6828a002671618a1515269f6565459c08413c

    SHA512

    627e5485db350529750ef2c6d15475523bb3649c3e9d6362a9a8d0e875b7a544401d039b2f13ba7f2329f8398c817f0b74540f8257b8d076a16f75ef81b32712

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3cwt0ivn.zm2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9C30.tmp

    Filesize

    1KB

    MD5

    9b3c434673489b408280b70f1cb979be

    SHA1

    9005bd30458aae7796a14643cbac6e9e759c5657

    SHA256

    fe6278eb09ee3968692f84c927789895267c606c06e40d1b475a3d66cd082667

    SHA512

    70590ce2ab6a01f2b0fe76df49ef897dba2aa6784b7244938914875fdef994d3c8d2a7cc1d103c3f0f1568ec1afea8bf054d40ef97888cff2c5e5db08277d935

  • memory/1684-81-0x0000000007B30000-0x0000000007B44000-memory.dmp

    Filesize

    80KB

  • memory/1684-63-0x0000000007520000-0x000000000753E000-memory.dmp

    Filesize

    120KB

  • memory/1684-74-0x00000000077A0000-0x0000000007843000-memory.dmp

    Filesize

    652KB

  • memory/1684-52-0x0000000007560000-0x0000000007592000-memory.dmp

    Filesize

    200KB

  • memory/1684-53-0x0000000070F10000-0x0000000070F5C000-memory.dmp

    Filesize

    304KB

  • memory/1684-76-0x00000000078F0000-0x000000000790A000-memory.dmp

    Filesize

    104KB

  • memory/1684-79-0x0000000007AF0000-0x0000000007B01000-memory.dmp

    Filesize

    68KB

  • memory/1684-80-0x0000000007B20000-0x0000000007B2E000-memory.dmp

    Filesize

    56KB

  • memory/1684-89-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1684-82-0x0000000007C30000-0x0000000007C4A000-memory.dmp

    Filesize

    104KB

  • memory/1684-83-0x0000000007C10000-0x0000000007C18000-memory.dmp

    Filesize

    32KB

  • memory/1684-20-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1684-23-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1684-21-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-8-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-4-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-5-0x00000000054D0000-0x00000000054DA000-memory.dmp

    Filesize

    40KB

  • memory/1944-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

    Filesize

    5.6MB

  • memory/1944-30-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-6-0x0000000005770000-0x0000000005788000-memory.dmp

    Filesize

    96KB

  • memory/1944-3-0x0000000005540000-0x00000000055D2000-memory.dmp

    Filesize

    584KB

  • memory/1944-1-0x00000000009F0000-0x0000000000AE0000-memory.dmp

    Filesize

    960KB

  • memory/1944-0-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/1944-7-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/1944-10-0x0000000006840000-0x00000000068DC000-memory.dmp

    Filesize

    624KB

  • memory/1944-9-0x0000000006A50000-0x0000000006AD2000-memory.dmp

    Filesize

    520KB

  • memory/1964-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1964-91-0x0000000006EE0000-0x0000000006F30000-memory.dmp

    Filesize

    320KB

  • memory/3968-16-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-64-0x0000000070F10000-0x0000000070F5C000-memory.dmp

    Filesize

    304KB

  • memory/3968-75-0x00000000081D0000-0x000000000884A000-memory.dmp

    Filesize

    6.5MB

  • memory/3968-51-0x0000000006E00000-0x0000000006E4C000-memory.dmp

    Filesize

    304KB

  • memory/3968-77-0x0000000007BF0000-0x0000000007BFA000-memory.dmp

    Filesize

    40KB

  • memory/3968-78-0x0000000007E00000-0x0000000007E96000-memory.dmp

    Filesize

    600KB

  • memory/3968-50-0x0000000006860000-0x000000000687E000-memory.dmp

    Filesize

    120KB

  • memory/3968-31-0x0000000006240000-0x0000000006594000-memory.dmp

    Filesize

    3.3MB

  • memory/3968-26-0x0000000005940000-0x00000000059A6000-memory.dmp

    Filesize

    408KB

  • memory/3968-27-0x00000000059B0000-0x0000000005A16000-memory.dmp

    Filesize

    408KB

  • memory/3968-25-0x00000000058A0000-0x00000000058C2000-memory.dmp

    Filesize

    136KB

  • memory/3968-19-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-18-0x0000000005A90000-0x00000000060B8000-memory.dmp

    Filesize

    6.2MB

  • memory/3968-17-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-90-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-15-0x0000000002F40000-0x0000000002F76000-memory.dmp

    Filesize

    216KB