Analysis

  • max time kernel
    130s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    15-09-2021 06:13

General

  • Target

    70654 SSEBACT.exe

  • Size

    641KB

  • MD5

    4e09874338d28600e8b84184f143bfe8

  • SHA1

    488979983bfa154fbb27563454e67903c37e16c3

  • SHA256

    ca87f3892de6e488e61c352cafc36fc06d0d8b6eb9fc4d5429ff92038c4b134f

  • SHA512

    d58e1582e77fff96197fd7a5d463249ab619a9455a6d1425fdc913f42ac3b60a7fd46ed0f11cac00aee8a97055d86842f7fed1f85cb5a11c59d66a702d7212b2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    uscentral50.myserverhosts.com
  • Port:
    587
  • Username:
    sales@radheatwaters.com
  • Password:
    waters@789

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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe
    "C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4672
      • 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:4680

    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/4564-115-0x00000000009E0000-0x00000000009E1000-memory.dmp
      Filesize

      4KB

    • memory/4564-117-0x0000000005890000-0x0000000005891000-memory.dmp
      Filesize

      4KB

    • memory/4564-118-0x00000000052B0000-0x00000000052B1000-memory.dmp
      Filesize

      4KB

    • memory/4564-119-0x0000000005360000-0x0000000005361000-memory.dmp
      Filesize

      4KB

    • memory/4564-120-0x0000000005390000-0x000000000588E000-memory.dmp
      Filesize

      5.0MB

    • memory/4564-121-0x0000000008D00000-0x0000000008D07000-memory.dmp
      Filesize

      28KB

    • memory/4564-122-0x0000000008DC0000-0x0000000008DC1000-memory.dmp
      Filesize

      4KB

    • memory/4564-123-0x0000000008D50000-0x0000000008DB3000-memory.dmp
      Filesize

      396KB

    • memory/4564-124-0x000000000B5C0000-0x000000000B5FC000-memory.dmp
      Filesize

      240KB

    • memory/4680-125-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/4680-126-0x000000000043760E-mapping.dmp
    • memory/4680-131-0x0000000004CF0000-0x00000000051EE000-memory.dmp
      Filesize

      5.0MB

    • memory/4680-132-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
      Filesize

      4KB

    • memory/4680-133-0x0000000005A50000-0x0000000005A51000-memory.dmp
      Filesize

      4KB