Overview

overview

10

Static

static

Receipt fo...df.exe

windows7_x64

10

Receipt fo...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    133s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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 1 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 8 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:4020
    • 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:3024

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/3024-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3024-136-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/3024-137-0x0000000005E40000-0x0000000005EA6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3024-138-0x00000000065D0000-0x0000000006620000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4020-130-0x0000000000EA0000-0x0000000000F30000-memory.dmp
    Filesize

    576KB

    Download
  • memory/4020-131-0x0000000005F50000-0x00000000064F4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4020-132-0x00000000058C0000-0x0000000005952000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4020-133-0x0000000005970000-0x000000000597A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4020-134-0x0000000005D40000-0x0000000005DDC000-memory.dmp
    Filesize

    624KB

    Download