Analysis

  • max time kernel
    146s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 13:06

General

  • Target

    Statement Of Account.exe

  • Size

    610KB

  • MD5

    c51b73620f05f9cecd5ad9c9b8534f55

  • SHA1

    de36fe4c91b287533a241dbb5a4942a5e9bb151f

  • SHA256

    1782d596257cfdebb26faf0e26a0c153575e047f036f5aa2c37c341d5a4004e8

  • SHA512

    b336fd339b49f1fac45014fc96ab24bbce269c8cc78917d2feb1c13a7aa5728fa7f78309c53b431885baebac3ea662c83d52ef09ad3c7018320e06f3a5896df7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    a2plcpnl0347.prod.iad2.secureserver.net
  • Port:
    587
  • Username:
    sanjay@eximindiacorporation.com
  • Password:
    Admin_123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Statement Of Account.exe
    "C:\Users\Admin\AppData\Local\Temp\Statement Of Account.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1184
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:560

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/452-60-0x0000000000C40000-0x0000000000C41000-memory.dmp
      Filesize

      4KB

    • memory/452-62-0x0000000004900000-0x0000000004901000-memory.dmp
      Filesize

      4KB

    • memory/452-63-0x0000000000760000-0x0000000000769000-memory.dmp
      Filesize

      36KB

    • memory/452-64-0x000000007EF40000-0x000000007EF41000-memory.dmp
      Filesize

      4KB

    • memory/452-65-0x0000000004830000-0x00000000048A6000-memory.dmp
      Filesize

      472KB

    • memory/452-66-0x00000000046F0000-0x000000000472C000-memory.dmp
      Filesize

      240KB

    • memory/560-67-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/560-68-0x000000000043765E-mapping.dmp
    • memory/560-69-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/560-71-0x00000000021F0000-0x00000000021F1000-memory.dmp
      Filesize

      4KB