Analysis

  • max time kernel
    131s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 06:28

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe

  • Size

    690KB

  • MD5

    d5288b1e9b08397e2ac89405c34b749f

  • SHA1

    a6f7a1d5e04a167e5a5ce160094d5da5b89036b2

  • SHA256

    704e5626e3a5c8b1b3dbefbeabca7488e77758c9aed89d0dc7e30d18da1b6bd9

  • SHA512

    df07aa72d2b50b02516d6ddd0659f5931ce930a04e3cabb65d251661c0e09e9688a788ab184084805a5d33aefccc378e91acb9be1b921c6a4169bcbbaef8552e

  • SSDEEP

    12288:b3IU8S6eUdNw9V18pt2FDKXSn6B8SKWRKL2ZIezvJBAhvRlCP5:rItSAdWrqiedtrYLjSxBATw5

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4824
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:4076
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4172

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/636-6-0x0000000006150000-0x0000000006168000-memory.dmp

      Filesize

      96KB

    • memory/636-2-0x0000000006170000-0x0000000006714000-memory.dmp

      Filesize

      5.6MB

    • memory/636-15-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB

    • memory/636-4-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

      Filesize

      64KB

    • memory/636-3-0x00000000059E0000-0x0000000005A72000-memory.dmp

      Filesize

      584KB

    • memory/636-1-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB

    • memory/636-7-0x0000000006F30000-0x0000000006F38000-memory.dmp

      Filesize

      32KB

    • memory/636-8-0x0000000006F40000-0x0000000006F4A000-memory.dmp

      Filesize

      40KB

    • memory/636-9-0x0000000001A20000-0x0000000001A9A000-memory.dmp

      Filesize

      488KB

    • memory/636-10-0x00000000083A0000-0x000000000843C000-memory.dmp

      Filesize

      624KB

    • memory/636-5-0x0000000005B80000-0x0000000005B8A000-memory.dmp

      Filesize

      40KB

    • memory/636-0-0x0000000000F90000-0x0000000001042000-memory.dmp

      Filesize

      712KB

    • memory/4172-21-0x0000019029AA0000-0x0000019029AB0000-memory.dmp

      Filesize

      64KB

    • memory/4172-37-0x0000019029BA0000-0x0000019029BB0000-memory.dmp

      Filesize

      64KB

    • memory/4172-53-0x0000019031F10000-0x0000019031F11000-memory.dmp

      Filesize

      4KB

    • memory/4172-55-0x0000019031F40000-0x0000019031F41000-memory.dmp

      Filesize

      4KB

    • memory/4172-56-0x0000019031F40000-0x0000019031F41000-memory.dmp

      Filesize

      4KB

    • memory/4172-57-0x0000019032050000-0x0000019032051000-memory.dmp

      Filesize

      4KB

    • memory/4824-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4824-16-0x0000000004F30000-0x0000000004F40000-memory.dmp

      Filesize

      64KB

    • memory/4824-17-0x0000000004F40000-0x0000000004FA6000-memory.dmp

      Filesize

      408KB

    • memory/4824-18-0x00000000065A0000-0x00000000065F0000-memory.dmp

      Filesize

      320KB

    • memory/4824-19-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB

    • memory/4824-20-0x0000000004F30000-0x0000000004F40000-memory.dmp

      Filesize

      64KB

    • memory/4824-14-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB