Analysis

  • max time kernel
    127s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-11-2020 10:45

General

  • Target

    0x000300000001ac90-122.exe

  • Size

    411KB

  • MD5

    ceec23bdfaa35e0eeee0bb318f9d339f

  • SHA1

    69337754824f165accef920ec90d25aae72da9ca

  • SHA256

    e6ba7316c20de986784a205b13617c3c13ce4daa628a26d0c2d4bbf0fe7a21c6

  • SHA512

    7d401409ab447ebbcd1412e192815a8f257e4fb947feb5f69834e4a97efa7031b4ff1fcd5f1d97277a465a96b12c78ef6ae79795e416cb14f4beb3dfa0bc6e47

Malware Config

Signatures

  • AgentTesla

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

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • AgentTesla Payload 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x000300000001ac90-122.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000300000001ac90-122.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • Runs ping.exe
        PID:1860

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1080-0-0x0000000006070000-0x0000000006081000-memory.dmp
    Filesize

    68KB

  • memory/1080-1-0x0000000006150000-0x0000000006161000-memory.dmp
    Filesize

    68KB

  • memory/1080-2-0x0000000074690000-0x0000000074D7E000-memory.dmp
    Filesize

    6.9MB

  • memory/1080-3-0x0000000006450000-0x0000000006474000-memory.dmp
    Filesize

    144KB

  • memory/1080-4-0x00000000064C0000-0x00000000064E3000-memory.dmp
    Filesize

    140KB

  • memory/1636-5-0x0000000000000000-mapping.dmp
  • memory/1860-6-0x0000000000000000-mapping.dmp