Analysis

  • max time kernel
    98s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-01-2021 14:10

General

  • Target

    UAE CHEMEX RFQ.exe

  • Size

    1.0MB

  • MD5

    a834d653ed2aa6504d365e066726d410

  • SHA1

    a8aa316a5680e689997ccfe28bbffa01c3091b65

  • SHA256

    d2900e5f43d302add8c33e39ac9949ea94e3b927a3d56611b60b8e81f4768fbd

  • SHA512

    ae121223499fd4d46271caecebf51a0843ca3b0c6353da85f1f79e0773181915de94c8cc3353e9abadd8e6c653b62c8e3a87da97dac0f92f1605c91e0c956b8b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.kaypan.com
  • Port:
    587
  • Username:
    accounts@kaypan.com
  • Password:
    Accounts@584

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\UAE CHEMEX RFQ.exe
    "C:\Users\Admin\AppData\Local\Temp\UAE CHEMEX RFQ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Users\Admin\AppData\Local\Temp\UAE CHEMEX RFQ.exe
      "C:\Users\Admin\AppData\Local\Temp\UAE CHEMEX RFQ.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1512

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/1064-2-0x00000000740B0000-0x000000007479E000-memory.dmp
    Filesize

    6.9MB

  • memory/1064-3-0x0000000001250000-0x0000000001251000-memory.dmp
    Filesize

    4KB

  • memory/1064-5-0x0000000000220000-0x0000000000232000-memory.dmp
    Filesize

    72KB

  • memory/1064-6-0x0000000005410000-0x000000000547E000-memory.dmp
    Filesize

    440KB

  • memory/1512-7-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1512-8-0x00000000004375AE-mapping.dmp
  • memory/1512-9-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1512-10-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1512-11-0x00000000740B0000-0x000000007479E000-memory.dmp
    Filesize

    6.9MB