Overview

overview

10

Static

static

Remitttance jpg.scr

windows7_x64

10

Remitttance jpg.scr

windows10-2004_x64

1

Analysis

  • max time kernel
    139s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:59

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General

  • Target

    Remitttance jpg.scr

  • Size

    324KB

  • MD5

    dce5536f0ec74014e25f5253447d4e98

  • SHA1

    29209f0f85dcdd71ef3453caf3b208c1a2120776

  • SHA256

    d93fb27172d9296a4067808a2dcc325bbed786666cc49646dfd0684ad9a92beb

  • SHA512

    1acf8e60b674ed698dba884658ed82be16156f85b39fe1b1c18598e64b527ccfd3b529b2b22185d85d50e5efab380c08749e189b4a83476c7ea8e69a62b515a5

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ginternational1.

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remitttance jpg.scr
    "C:\Users\Admin\AppData\Local\Temp\Remitttance jpg.scr" /S
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Users\Admin\AppData\Local\Temp\Remitttance jpg.scr
      "C:\Users\Admin\AppData\Local\Temp\Remitttance jpg.scr"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:468
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1956

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Remitttance jpg.scr
      Filesize

      324KB

      MD5

      dce5536f0ec74014e25f5253447d4e98

      SHA1

      29209f0f85dcdd71ef3453caf3b208c1a2120776

      SHA256

      d93fb27172d9296a4067808a2dcc325bbed786666cc49646dfd0684ad9a92beb

      SHA512

      1acf8e60b674ed698dba884658ed82be16156f85b39fe1b1c18598e64b527ccfd3b529b2b22185d85d50e5efab380c08749e189b4a83476c7ea8e69a62b515a5

      Download Submit
    • \Users\Admin\AppData\Local\Temp\Remitttance jpg.scr
      Filesize

      324KB

      MD5

      dce5536f0ec74014e25f5253447d4e98

      SHA1

      29209f0f85dcdd71ef3453caf3b208c1a2120776

      SHA256

      d93fb27172d9296a4067808a2dcc325bbed786666cc49646dfd0684ad9a92beb

      SHA512

      1acf8e60b674ed698dba884658ed82be16156f85b39fe1b1c18598e64b527ccfd3b529b2b22185d85d50e5efab380c08749e189b4a83476c7ea8e69a62b515a5

      Download Submit
    • memory/468-67-0x000000000044C25E-mapping.dmp
      Download
    • memory/468-65-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/468-72-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/468-70-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/468-66-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/468-61-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/468-62-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/468-64-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1068-56-0x00000000002C0000-0x00000000002C8000-memory.dmp
      Filesize

      32KB

      Download
    • memory/1068-57-0x0000000000500000-0x0000000000544000-memory.dmp
      Filesize

      272KB

      Download
    • memory/1068-54-0x0000000000010000-0x0000000000068000-memory.dmp
      Filesize

      352KB

      Download
    • memory/1068-55-0x0000000075DE1000-0x0000000075DE3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1068-59-0x00000000005F0000-0x00000000005F8000-memory.dmp
      Filesize

      32KB

      Download
    • memory/1068-58-0x0000000000560000-0x0000000000576000-memory.dmp
      Filesize

      88KB

      Download
    • memory/1956-74-0x0000000000000000-mapping.dmp
      Download