Overview

overview

10

Static

static

Remittance_Report.exe

windows7_x64

10

Remittance_Report.exe

windows10_x64

10

Analysis

  • max time kernel
    128s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 08:32

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General

  • Target

    Remittance_Report.exe

  • Size

    543KB

  • MD5

    817341449a197b56cdd3795ca7dba89b

  • SHA1

    b4f79225b1c45f49771fd72e046d43be1acfab59

  • SHA256

    3806b35c08f81f6b6d8e3d9d4e9321ffad60f1edbb969655ed90926832c443d9

  • SHA512

    92c1b7ec4686e81b6e27437439f4fbec7bd66d5117ec1f830a0c1bf5da2aa3f1dc8d41b0d8ed539a501c9ea49a513440666a6fc644fad7e9312ebf0b10c92ebd

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.sautiyapwanifm.com
  • Port:
    587
  • Username:
    uwada@sautiyapwanifm.com
  • Password:
    Uwada12345

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 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
  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remittance_Report.exe
    "C:\Users\Admin\AppData\Local\Temp\Remittance_Report.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tAEwROLBKwh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp685B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3288
    • C:\Users\Admin\AppData\Local\Temp\Remittance_Report.exe
      "C:\Users\Admin\AppData\Local\Temp\Remittance_Report.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:564

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Remittance_Report.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

    Download Submit
  • memory/564-134-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/564-133-0x0000000005200000-0x0000000005201000-memory.dmp
    Filesize

    4KB

    Download
  • memory/564-132-0x0000000004D40000-0x000000000523E000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/564-126-0x000000000043763E-mapping.dmp
    Download
  • memory/564-125-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/3288-124-0x0000000000000000-mapping.dmp
    Download
  • memory/4004-119-0x0000000004F90000-0x0000000004F91000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4004-123-0x00000000089B0000-0x0000000008A08000-memory.dmp
    Filesize

    352KB

    Download
  • memory/4004-122-0x00000000070E0000-0x00000000070E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4004-121-0x00000000053F0000-0x00000000053F7000-memory.dmp
    Filesize

    28KB

    Download
  • memory/4004-120-0x0000000004F00000-0x00000000053FE000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/4004-115-0x0000000000570000-0x0000000000571000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4004-118-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4004-117-0x0000000005400000-0x0000000005401000-memory.dmp
    Filesize

    4KB

    Download