Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-02-2021 09:57

General

  • Target

    SecuriteInfo.com.Trojan.GenericKDZ.73184.11258.19381.exe

  • Size

    523KB

  • MD5

    c4242be5efb3c3833c20e3ca293c7375

  • SHA1

    aa8c78515a6f0043c08b74fe142654ed59da5124

  • SHA256

    a2f1773e4b9146563dbf711ca1462448a7a847f8b6660424f72faaa5fa9b20d4

  • SHA512

    6b11e6706a75175e2890348c9de8464b6989dc2938ed54651a2e08b999b84b50f38f58aaff8730f48117e61cd93840a9352fe66761b55d4ebc9140b9eb27308b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    GODBLESSUS123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73184.11258.19381.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73184.11258.19381.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nNqaGW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E67.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:544
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73184.11258.19381.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73184.11258.19381.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:812

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3E67.tmp
    MD5

    398310d667cd33bc9e4c9d65650746d2

    SHA1

    04c779b5469f4b7263d258e7cf8d2b18630250be

    SHA256

    88286251529b082e90152fe9ce5bbc25e58265ab48549621e5360a0ef3ac2124

    SHA512

    527a263001e1b10c70949ea532afb2dd6190b705f33cb9f6f326a2ff31c0297fee7f0ea0b2714a671e7ca224016de2f66177086197c4429845615ee4195043d4

  • memory/544-8-0x0000000000000000-mapping.dmp
  • memory/812-10-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/812-11-0x000000000043749E-mapping.dmp
  • memory/812-12-0x00000000742C0000-0x00000000749AE000-memory.dmp
    Filesize

    6.9MB

  • memory/812-13-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/812-15-0x0000000004900000-0x0000000004901000-memory.dmp
    Filesize

    4KB

  • memory/1924-2-0x00000000742C0000-0x00000000749AE000-memory.dmp
    Filesize

    6.9MB

  • memory/1924-3-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1924-5-0x0000000001EC0000-0x0000000001EC1000-memory.dmp
    Filesize

    4KB

  • memory/1924-6-0x0000000001E30000-0x0000000001E33000-memory.dmp
    Filesize

    12KB

  • memory/1924-7-0x0000000004FC0000-0x000000000501C000-memory.dmp
    Filesize

    368KB