Analysis

  • max time kernel
    129s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-01-2021 21:30

General

  • Target

    MV Double Miracle.exe

  • Size

    1.1MB

  • MD5

    e844fb0cf2f0bb64ea1e4cb214ad9bd8

  • SHA1

    909565f0bc99fbfce62a817479d81cdcd8db6ee5

  • SHA256

    72ecac87c9a614db922b23644e64e9d3db771d50aa9e310be34fdc543a563b8e

  • SHA512

    462a75b34b2f0671f555b410136aa6ab3a6747bd64a7729abbf0fb44ed7be9f710740381efb0068f7633fd471a203fb6aa46bb48a29a65020c25e6077a6868f7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.hyshippingcn.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    e*u@qkS4

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MV Double Miracle.exe
    "C:\Users\Admin\AppData\Local\Temp\MV Double Miracle.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2384

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • memory/60-3-0x00000000004D0000-0x00000000004D1000-memory.dmp
    Filesize

    4KB

  • memory/60-5-0x0000000004E10000-0x0000000004E11000-memory.dmp
    Filesize

    4KB

  • memory/60-6-0x0000000004D50000-0x0000000004D6E000-memory.dmp
    Filesize

    120KB

  • memory/60-7-0x0000000002850000-0x0000000002851000-memory.dmp
    Filesize

    4KB

  • memory/60-8-0x00000000077B0000-0x00000000077B1000-memory.dmp
    Filesize

    4KB

  • memory/60-9-0x0000000008340000-0x000000000834B000-memory.dmp
    Filesize

    44KB

  • memory/60-10-0x000000000B7F0000-0x000000000B7F1000-memory.dmp
    Filesize

    4KB

  • memory/60-2-0x0000000073AD0000-0x00000000741BE000-memory.dmp
    Filesize

    6.9MB

  • memory/2384-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2384-12-0x000000000043763E-mapping.dmp
  • memory/2384-15-0x0000000073AD0000-0x00000000741BE000-memory.dmp
    Filesize

    6.9MB

  • memory/2384-18-0x0000000005950000-0x0000000005951000-memory.dmp
    Filesize

    4KB

  • memory/2384-20-0x0000000005900000-0x0000000005901000-memory.dmp
    Filesize

    4KB

  • memory/2384-21-0x00000000060B0000-0x00000000060B1000-memory.dmp
    Filesize

    4KB

  • memory/2384-23-0x0000000001180000-0x0000000001181000-memory.dmp
    Filesize

    4KB