Overview

overview

10

Static

static

Proforma I...so.exe

windows7_x64

10

Proforma I...so.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    184s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:26

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General

  • Target

    Proforma Invoice.iso.exe

  • Size

    689KB

  • MD5

    ad3a4bbcd5d732b465ae4b36c3178e60

  • SHA1

    42660b494eb45ca2b4b7eee0ddf04b4d2fe646b3

  • SHA256

    af9aee5b4234182ecb5acef175f3bcc12348954fd875e4a4eccf005427525e7f

  • SHA512

    eef25a97cd1eceee0db2549e95f3dd72871d14073349d0afbea3f95e7bda93de9370cf53078d02fadf6f1f546895ca8b172e50912af7b51968e8a21d980cc8e5

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.opporajasthan.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Systems@1234

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.iso.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.iso.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qTwlhJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EE3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:564
    • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.iso.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

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\tmp5EE3.tmp
    Filesize

    1KB

    MD5

    854f4d20cedc0ff340be3ba411646a43

    SHA1

    779914603bc79065140ebb1c5438e30d5716754e

    SHA256

    325112541e18fe2330d56488fc682c4124e2aa2726a7c026a3fdb6a9e3f565a7

    SHA512

    7319a67677cbdabef47d273a52642cfe88b550d1730bff33e024813e6bc3fdfe6c743991a214885374e0c120e6bbea5f299e8159ce53e186c35e496ecbff24a3

    Download Submit
  • memory/564-59-0x0000000000000000-mapping.dmp
    Download
  • memory/964-57-0x0000000004540000-0x00000000045A8000-memory.dmp
    Filesize

    416KB

    Download
  • memory/964-54-0x0000000000100000-0x00000000001B2000-memory.dmp
    Filesize

    712KB

    Download
  • memory/964-58-0x0000000004FC0000-0x000000000500C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/964-56-0x00000000004F0000-0x0000000000500000-memory.dmp
    Filesize

    64KB

    Download
  • memory/964-55-0x0000000075711000-0x0000000075713000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1744-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1744-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1744-65-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1744-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1744-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1744-67-0x0000000000446FDE-mapping.dmp
    Download
  • memory/1744-69-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1744-71-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download