Overview

overview

10

Static

static

Receipt fo...df.exe

windows7_x64

10

Receipt fo...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    91s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:01

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General

  • Target

    Receipt for shipment - Company Official-20200831_pdf.exe

  • Size

    553KB

  • MD5

    1331ca8cfbbdb3832b7baf7ffc48ee19

  • SHA1

    07f268f8a3443f542a0d620aece2c23a30f6451b

  • SHA256

    dab8c3350d525d66785c80647dd39cac8fc981c7a18c66b8bea5526926c6aad6

  • SHA512

    4144c25096905d13086acfbb8515f9dfce04015042864373850a51c51c4bffa86a5a10fb389223f7c2503b863f931a9a429d9a812a3ce152f5d7823fa915c831

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1257859103:AAFTtbxtjom70byHvb91Gtjsug-omemEwwc/sendDocument

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • 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 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Receipt for shipment - Company Official-20200831_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Receipt for shipment - Company Official-20200831_pdf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\Receipt for shipment - Company Official-20200831_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Receipt for shipment - Company Official-20200831_pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1532

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

2
T1081

Discovery

Lateral Movement

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1532-57-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1532-58-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1532-60-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1532-61-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1532-63-0x000000000045F7EE-mapping.dmp
    Download
  • memory/1532-62-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1532-65-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1532-67-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1720-54-0x0000000001320000-0x00000000013B0000-memory.dmp
    Filesize

    576KB

    Download
  • memory/1720-55-0x0000000075711000-0x0000000075713000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1720-56-0x0000000000AD0000-0x0000000000B52000-memory.dmp
    Filesize

    520KB

    Download