Overview

overview

10

Static

static

10

6a83f449fc...91.exe

windows7_x64

10

6a83f449fc...91.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    118s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:42

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General

  • Target

    6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91.exe

  • Size

    768KB

  • MD5

    22dbfe74635797260671cd5dbbf0a3bc

  • SHA1

    8cbdde1a2319ee60c9f6a9e05d2879362ab44668

  • SHA256

    6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91

  • SHA512

    713fa04c7dbf9612bf69336d0cc3b56f433db712a516a6496160706135fad58e8a31cb2a54e893ecebb49b34bf7466b330d44f1e9446fde0af9cda3f118eb88e

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 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.

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91.exe
    "C:\Users\Admin\AppData\Local\Temp\6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v system32 /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\system32.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3752
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v system32 /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\system32.exe"
        3⤵
        • Adds Run key to start application
        PID:4648
    • C:\Users\Admin\system32.exe
      "C:\Users\Admin\system32.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3228
      • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3696

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

Query Registry

1
T1012

System Information Discovery

2
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\Temp\InstallUtil.exe
    Filesize

    41KB

    MD5

    5d4073b2eb6d217c19f2b22f21bf8d57

    SHA1

    f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

    SHA256

    ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

    SHA512

    9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    Filesize

    41KB

    MD5

    5d4073b2eb6d217c19f2b22f21bf8d57

    SHA1

    f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

    SHA256

    ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

    SHA512

    9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

    Download Submit
  • C:\Users\Admin\system32.exe
    Filesize

    768KB

    MD5

    22dbfe74635797260671cd5dbbf0a3bc

    SHA1

    8cbdde1a2319ee60c9f6a9e05d2879362ab44668

    SHA256

    6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91

    SHA512

    713fa04c7dbf9612bf69336d0cc3b56f433db712a516a6496160706135fad58e8a31cb2a54e893ecebb49b34bf7466b330d44f1e9446fde0af9cda3f118eb88e

    Download Submit
  • C:\Users\Admin\system32.exe
    Filesize

    768KB

    MD5

    22dbfe74635797260671cd5dbbf0a3bc

    SHA1

    8cbdde1a2319ee60c9f6a9e05d2879362ab44668

    SHA256

    6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91

    SHA512

    713fa04c7dbf9612bf69336d0cc3b56f433db712a516a6496160706135fad58e8a31cb2a54e893ecebb49b34bf7466b330d44f1e9446fde0af9cda3f118eb88e

    Download Submit
  • memory/2220-131-0x0000000005AD0000-0x0000000006074000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2220-132-0x0000000005640000-0x00000000056D2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2220-130-0x0000000000A90000-0x0000000000B56000-memory.dmp
    Filesize

    792KB

    Download
  • memory/3228-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3696-142-0x0000000005AA0000-0x0000000005B3C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3696-138-0x0000000000000000-mapping.dmp
    Download
  • memory/3696-139-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/3696-143-0x00000000066E0000-0x0000000006746000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3696-144-0x0000000006AD0000-0x0000000006B20000-memory.dmp
    Filesize

    320KB

    Download
  • memory/3696-145-0x0000000006BB0000-0x0000000006BBA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3752-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4648-134-0x0000000000000000-mapping.dmp
    Download