Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 01:54

General

  • Target

    Outstanding-Invoices 001445.scr

  • Size

    669KB

  • MD5

    9f1263691f61af5eb7a7b8ad52134be2

  • SHA1

    2fae8614a8c48b09140ad431d20c89ec0e6c70fa

  • SHA256

    1736cd52fdc1deacedeac1de86d461ceb01c476e307520762b74b67ca8fa4b4b

  • SHA512

    4b5de03719f4fcd7bc2cb94879589b605c8f95cb397bf4293c781ffdcb4e1b42953bea8da2474f73a2d4de162fcc4c11d9b99a15c9acb0ac233820bf9039594b

  • SSDEEP

    12288:1z7kvDoQE2wD/Cv3BZCU30HapCU0q3ly+t/DlVUjaKPTUw79ylQ/ePooitapDcaJ:1zoXwDgZ/096v3UFPDw3goitapDcG

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.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Outstanding-Invoices 001445.scr
    "C:\Users\Admin\AppData\Local\Temp\Outstanding-Invoices 001445.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1508
    • 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\Outstanding-Invoices 001445.scr"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LpiosEmwQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpiosEmwQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF067.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2148
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF067.tmp

    Filesize

    1KB

    MD5

    ee38cc0ec16dca5827741ff7b8e6cccb

    SHA1

    260b3b34b3bf308aac9f733157372d0f5517a7e4

    SHA256

    3464e438374a2948d5839a88f2aae22ef41379bcc18040f6508167b5572e5191

    SHA512

    6eee122e268b9a1d3a0a5f7542d7cf3ccf3edb134188371f4918d068fa69f6c3b7d1467e77222d832627cf7bb98f9b1ff32599e7318e8c4ef91a467c6d5dbece

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    c421a93e59f0c7826f540d814f4d25a9

    SHA1

    92a2d9267ae69402982f8bd2a0b680bd17110d83

    SHA256

    0e6d16bcbeba11f9c38db7a0b58134ef43c4de27b77af2dda25393188f64686b

    SHA512

    7a91627024686ba7bdb5c4780fe035b38ea2ab1ea7a75eeec75b82d59ebead22dc7742a60ee25439c992f461155ce3b7ee2486bb0059291e4b7d9119d864aa0b

  • memory/1508-4-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/1508-31-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/1508-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/1508-5-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/1508-6-0x0000000005380000-0x0000000005402000-memory.dmp

    Filesize

    520KB

  • memory/1508-2-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/1508-1-0x00000000012C0000-0x000000000136C000-memory.dmp

    Filesize

    688KB

  • memory/1508-3-0x0000000000250000-0x0000000000260000-memory.dmp

    Filesize

    64KB

  • memory/2624-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2624-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB