Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 03:01

General

  • Target

    c7b54fdfe758bc9efc5a2f6d97926f20d01f1c85aeb2be3156d56b3a7ea83bac.exe

  • Size

    933KB

  • MD5

    e4f8b6eee6be5f9102ee21d572dc0834

  • SHA1

    3b00998371ee7c84e20bcbfd543ec45a8588d55f

  • SHA256

    c7b54fdfe758bc9efc5a2f6d97926f20d01f1c85aeb2be3156d56b3a7ea83bac

  • SHA512

    3cec5ce85e4632ceaa2d3ab472ca143f4beb4f42c46ab1709b0ebc5ba043bce2946fda41300faa1f3445d9665d28e1f4f7fdabed3a85ca0c5bd83da0a8d21e1c

  • SSDEEP

    12288:XdIcNJum2wDuyWZRO/GsxTz5llc3YyhFtbYcZ1peAXV8ApP7r9r/+ppppppppppR:XPNJum2wCyWZ0O+TH23DhscZ1pjp1q

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6471053992:AAFUlrUxhi5Jrpjikoc-P4r9ZbsXV_T9vj8/

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7b54fdfe758bc9efc5a2f6d97926f20d01f1c85aeb2be3156d56b3a7ea83bac.exe
    "C:\Users\Admin\AppData\Local\Temp\c7b54fdfe758bc9efc5a2f6d97926f20d01f1c85aeb2be3156d56b3a7ea83bac.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2152
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 1408
        3⤵
        • Program crash
        PID:2608

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2128-0-0x0000000000C90000-0x0000000000D7E000-memory.dmp

    Filesize

    952KB

  • memory/2128-1-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2128-2-0x0000000000BE0000-0x0000000000C20000-memory.dmp

    Filesize

    256KB

  • memory/2128-3-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2128-4-0x0000000000540000-0x0000000000548000-memory.dmp

    Filesize

    32KB

  • memory/2128-5-0x0000000000550000-0x000000000055A000-memory.dmp

    Filesize

    40KB

  • memory/2128-6-0x0000000005CC0000-0x0000000005D3C000-memory.dmp

    Filesize

    496KB

  • memory/2128-21-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2152-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2152-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2152-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2152-15-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2152-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2152-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2152-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2152-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2152-22-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2152-23-0x00000000011B0000-0x00000000011F0000-memory.dmp

    Filesize

    256KB

  • memory/2152-24-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB