Analysis

  • max time kernel
    149s
  • max time network
    158s
  • 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 10:07

General

  • Target

    Ningbo - Past Due Invoices.scr

  • Size

    826KB

  • MD5

    1b136a73f10f2b2b837c46161eceaba9

  • SHA1

    0bb6bfbd1a79432f03e1b51f697f664a628a5e90

  • SHA256

    7df1b33f35a3ca87f9242153c847cc0d8e1d45c7e3b5c5ecf9f23bddbf94b052

  • SHA512

    30a82ab4146edf04179f53dc0527baf9b7bb8c82288009cb6704c47ba1c735ca96a57206a739d209b7ed3615ae52847d2f4a0ec8b1e889d06b323051ee344e30

  • SSDEEP

    24576:wiHxlaIGgVnElx5T6GMgitt8p10uF2VtQ/2:wiHxlaHl/6GtitGf0uF2VtQ/2

Malware Config

Extracted

Family

agenttesla

Credentials

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr
    "C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr" /S
    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:4128
    • 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\Ningbo - Past Due Invoices.scr"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3892
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OKOdVL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OKOdVL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC498.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1692
    • 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:1812

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

    6240f9a919a75ff3e56017174809f7c2

    SHA1

    ed8573b0bccd29553b543e56c9850f9856dfb30a

    SHA256

    d4978d098640d1399516b6efc28087fcc2c3698fe4fd151faf9aca1e0f7f3bed

    SHA512

    e370e876063f157b0a7bc15e08972e491326319b468246a17a91267f42402d9e555b2b2c2ffc1060a9a152b0aa1df5ed1ab69c2ccb3f8c957faac31afec8a947

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wfqazrzq.vrq.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC498.tmp

    Filesize

    1KB

    MD5

    bd243139716b57504aa787170ed2d7ad

    SHA1

    7c6e74251e7235e844c826a5c57d0044523a11ff

    SHA256

    981ddf694c643a1f80c12d5523ddf4e2e94402c7ea94d239f7f0a5b4d266304e

    SHA512

    db3ab9386cd4b873f8b8e4210ad4e825cb9e8a980024f295f0203638f9e1bb951eaf90fde655df7984ad8fb7a31aaa315b7481e9a19c970bec9f78f416467f6c

  • memory/1812-84-0x0000000006E30000-0x0000000006E80000-memory.dmp

    Filesize

    320KB

  • memory/1812-42-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2616-73-0x0000000007370000-0x00000000079EA000-memory.dmp

    Filesize

    6.5MB

  • memory/2616-77-0x0000000006F30000-0x0000000006F41000-memory.dmp

    Filesize

    68KB

  • memory/2616-89-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-80-0x0000000007070000-0x000000000708A000-memory.dmp

    Filesize

    104KB

  • memory/2616-79-0x0000000006F70000-0x0000000006F84000-memory.dmp

    Filesize

    80KB

  • memory/2616-76-0x0000000006FB0000-0x0000000007046000-memory.dmp

    Filesize

    600KB

  • memory/2616-74-0x0000000006D30000-0x0000000006D4A000-memory.dmp

    Filesize

    104KB

  • memory/2616-51-0x00000000750A0000-0x00000000750EC000-memory.dmp

    Filesize

    304KB

  • memory/2616-61-0x00000000069E0000-0x00000000069FE000-memory.dmp

    Filesize

    120KB

  • memory/2616-50-0x00000000069A0000-0x00000000069D2000-memory.dmp

    Filesize

    200KB

  • memory/2616-49-0x0000000005AA0000-0x0000000005AEC000-memory.dmp

    Filesize

    304KB

  • memory/2616-48-0x0000000005A30000-0x0000000005A4E000-memory.dmp

    Filesize

    120KB

  • memory/2616-32-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-23-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3892-72-0x0000000006A10000-0x0000000006AB3000-memory.dmp

    Filesize

    652KB

  • memory/3892-78-0x0000000006F70000-0x0000000006F7E000-memory.dmp

    Filesize

    56KB

  • memory/3892-22-0x0000000005370000-0x00000000053D6000-memory.dmp

    Filesize

    408KB

  • memory/3892-31-0x0000000005450000-0x00000000057A4000-memory.dmp

    Filesize

    3.3MB

  • memory/3892-85-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3892-16-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3892-21-0x0000000004C60000-0x0000000004C82000-memory.dmp

    Filesize

    136KB

  • memory/3892-75-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

    Filesize

    40KB

  • memory/3892-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3892-18-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3892-62-0x00000000750A0000-0x00000000750EC000-memory.dmp

    Filesize

    304KB

  • memory/3892-17-0x0000000004CD0000-0x00000000052F8000-memory.dmp

    Filesize

    6.2MB

  • memory/3892-24-0x00000000053E0000-0x0000000005446000-memory.dmp

    Filesize

    408KB

  • memory/3892-15-0x00000000020F0000-0x0000000002126000-memory.dmp

    Filesize

    216KB

  • memory/3892-81-0x0000000007060000-0x0000000007068000-memory.dmp

    Filesize

    32KB

  • memory/4128-8-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4128-5-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4128-7-0x000000007484E000-0x000000007484F000-memory.dmp

    Filesize

    4KB

  • memory/4128-6-0x0000000005750000-0x0000000005762000-memory.dmp

    Filesize

    72KB

  • memory/4128-10-0x00000000093F0000-0x000000000948C000-memory.dmp

    Filesize

    624KB

  • memory/4128-9-0x0000000006D50000-0x0000000006DD2000-memory.dmp

    Filesize

    520KB

  • memory/4128-47-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4128-4-0x0000000005490000-0x000000000549A000-memory.dmp

    Filesize

    40KB

  • memory/4128-3-0x00000000053D0000-0x0000000005462000-memory.dmp

    Filesize

    584KB

  • memory/4128-2-0x0000000005A80000-0x0000000006024000-memory.dmp

    Filesize

    5.6MB

  • memory/4128-1-0x0000000000930000-0x0000000000A04000-memory.dmp

    Filesize

    848KB

  • memory/4128-0-0x000000007484E000-0x000000007484F000-memory.dmp

    Filesize

    4KB