Analysis

  • max time kernel
    139s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 01:55

General

  • Target

    Bank slip.exe

  • Size

    810KB

  • MD5

    dfa4d69d102efe18603b643e03cd916f

  • SHA1

    104857721a2a10211bf4638fc1aac4f01026839d

  • SHA256

    ae7f2736fd9aa11676e139b0d89f702cd2fab6660b9b589c1feddc4898520c41

  • SHA512

    0e248fc8bbc5db13db05c266b46a0bbd4900de17c5208c881fc66ff0732cd67af50000936da1a1b198fefa9e9407388fdf9ff78116b5b2abdaa02817a67f46fe

  • SSDEEP

    12288:GfpsApRsBWD84RF1RSaXXqftMwjfBCQr60ijTLGSCB8rBCg09poeV:GtpRse40MvCVTGhBoCX9

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.kabeercommodities.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    w{A6H.o&sz%g

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3184
    • 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\Bank slip.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1608
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uhoFDbAUHRPNgj.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uhoFDbAUHRPNgj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C30.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2776
    • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1492
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4028 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4956

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bwnc0cnd.ibn.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp5C30.tmp
      Filesize

      1KB

      MD5

      538fef1b478a57fccfcb3f2d12d4a68f

      SHA1

      7ff9817c1a345bd6b43c1e1cb9c0683f8ecdbe49

      SHA256

      6c8106038ca73037931a0e65b43211421eba24382132f79b964f1385de6db1b5

      SHA512

      d2f5300256cfa92adf8e9c0a504436710f11ab6c6cdd0307525f509d36349e9a8d5a0e9004942a8ae599b987fe305396e2ef48dc2236b2044d5dd75151b55e40

    • memory/1492-90-0x0000000005B00000-0x0000000005B10000-memory.dmp
      Filesize

      64KB

    • memory/1492-61-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1492-59-0x0000000006FF0000-0x0000000007040000-memory.dmp
      Filesize

      320KB

    • memory/1492-28-0x0000000005B10000-0x0000000005B76000-memory.dmp
      Filesize

      408KB

    • memory/1492-26-0x0000000005B00000-0x0000000005B10000-memory.dmp
      Filesize

      64KB

    • memory/1492-25-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1492-23-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1608-51-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1608-86-0x0000000006FA0000-0x0000000007043000-memory.dmp
      Filesize

      652KB

    • memory/1608-99-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1608-12-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1608-13-0x00000000023A0000-0x00000000023B0000-memory.dmp
      Filesize

      64KB

    • memory/1608-16-0x0000000002420000-0x0000000002456000-memory.dmp
      Filesize

      216KB

    • memory/1608-93-0x0000000006210000-0x000000000621E000-memory.dmp
      Filesize

      56KB

    • memory/1608-91-0x0000000007350000-0x00000000073E6000-memory.dmp
      Filesize

      600KB

    • memory/1608-89-0x0000000007140000-0x000000000714A000-memory.dmp
      Filesize

      40KB

    • memory/1608-87-0x0000000007720000-0x0000000007D9A000-memory.dmp
      Filesize

      6.5MB

    • memory/1608-66-0x0000000070D00000-0x0000000070D4C000-memory.dmp
      Filesize

      304KB

    • memory/1608-63-0x000000007F930000-0x000000007F940000-memory.dmp
      Filesize

      64KB

    • memory/1608-64-0x00000000063A0000-0x00000000063D2000-memory.dmp
      Filesize

      200KB

    • memory/1608-56-0x00000000023A0000-0x00000000023B0000-memory.dmp
      Filesize

      64KB

    • memory/1608-54-0x00000000023A0000-0x00000000023B0000-memory.dmp
      Filesize

      64KB

    • memory/1608-29-0x0000000004DB0000-0x0000000004DD2000-memory.dmp
      Filesize

      136KB

    • memory/1608-30-0x0000000004A40000-0x0000000004AA6000-memory.dmp
      Filesize

      408KB

    • memory/1608-53-0x00000000023A0000-0x00000000023B0000-memory.dmp
      Filesize

      64KB

    • memory/1608-49-0x0000000005870000-0x0000000005BC4000-memory.dmp
      Filesize

      3.3MB

    • memory/1608-52-0x0000000005E10000-0x0000000005E5C000-memory.dmp
      Filesize

      304KB

    • memory/3184-1-0x0000000000450000-0x0000000000520000-memory.dmp
      Filesize

      832KB

    • memory/3184-5-0x0000000004EF0000-0x0000000004F00000-memory.dmp
      Filesize

      64KB

    • memory/3184-8-0x0000000004EF0000-0x0000000004F00000-memory.dmp
      Filesize

      64KB

    • memory/3184-4-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/3184-11-0x000000000A680000-0x000000000A71C000-memory.dmp
      Filesize

      624KB

    • memory/3184-27-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/3184-0-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/3184-9-0x0000000007B70000-0x0000000007B7C000-memory.dmp
      Filesize

      48KB

    • memory/3184-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp
      Filesize

      584KB

    • memory/3184-10-0x0000000007EF0000-0x0000000007F72000-memory.dmp
      Filesize

      520KB

    • memory/3184-2-0x0000000005450000-0x00000000059F4000-memory.dmp
      Filesize

      5.6MB

    • memory/3184-6-0x0000000004F20000-0x0000000004F2A000-memory.dmp
      Filesize

      40KB

    • memory/3184-7-0x0000000007B50000-0x0000000007B6A000-memory.dmp
      Filesize

      104KB

    • memory/5796-100-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/5796-60-0x0000000004A70000-0x0000000004A80000-memory.dmp
      Filesize

      64KB

    • memory/5796-62-0x000000007FB40000-0x000000007FB50000-memory.dmp
      Filesize

      64KB

    • memory/5796-76-0x00000000065E0000-0x00000000065FE000-memory.dmp
      Filesize

      120KB

    • memory/5796-50-0x0000000005E40000-0x0000000005E5E000-memory.dmp
      Filesize

      120KB

    • memory/5796-22-0x00000000050B0000-0x00000000056D8000-memory.dmp
      Filesize

      6.2MB

    • memory/5796-88-0x0000000007330000-0x000000000734A000-memory.dmp
      Filesize

      104KB

    • memory/5796-92-0x0000000007530000-0x0000000007541000-memory.dmp
      Filesize

      68KB

    • memory/5796-20-0x0000000004A70000-0x0000000004A80000-memory.dmp
      Filesize

      64KB

    • memory/5796-57-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/5796-65-0x0000000070D00000-0x0000000070D4C000-memory.dmp
      Filesize

      304KB

    • memory/5796-19-0x0000000074D00000-0x00000000754B0000-memory.dmp
      Filesize

      7.7MB

    • memory/5796-94-0x0000000006430000-0x0000000006444000-memory.dmp
      Filesize

      80KB

    • memory/5796-95-0x0000000007670000-0x000000000768A000-memory.dmp
      Filesize

      104KB

    • memory/5796-96-0x0000000007650000-0x0000000007658000-memory.dmp
      Filesize

      32KB

    • memory/5796-55-0x0000000004A70000-0x0000000004A80000-memory.dmp
      Filesize

      64KB

    • memory/5796-58-0x0000000004A70000-0x0000000004A80000-memory.dmp
      Filesize

      64KB