Overview

overview

10

Static

static

Proforma I...so.exe

windows7_x64

10

Proforma I...so.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    185s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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 1 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.

  • 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
  • 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 6 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\Proforma Invoice.iso.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.iso.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qTwlhJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8B3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4760
    • 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:228

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

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
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\Microsoft\CLR_v4.0_32\UsageLogs\Proforma Invoice.iso.exe.log
    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpA8B3.tmp
    Filesize

    1KB

    MD5

    2f7e0673c48dae56471a9767c8db113e

    SHA1

    b9cdb62f6f0d9f7e08108caf37d6c0f84674abce

    SHA256

    5bf92d2515ed7aa57d4a1dc2be4c8fe5468a1e09627cf1e9355ac30094a2b950

    SHA512

    63430f9272d6f07edb706c2cd2369627b9aa6f861f50d4d0d71b5b8a62e73f048eba94677381e5f0b1ce001de6ef65bf0012886b5360c2a181cc56cd4bd21076

    Download Submit
  • memory/228-138-0x0000000000000000-mapping.dmp
    Download
  • memory/228-139-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/228-141-0x00000000069B0000-0x0000000006A00000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2064-130-0x0000000000C90000-0x0000000000D42000-memory.dmp
    Filesize

    712KB

    Download
  • memory/2064-131-0x0000000005CC0000-0x0000000006264000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2064-132-0x0000000005710000-0x00000000057A2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2064-133-0x00000000056F0000-0x00000000056FA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2064-134-0x000000000DB50000-0x000000000DBEC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2064-135-0x000000000DBF0000-0x000000000DC56000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4760-136-0x0000000000000000-mapping.dmp
    Download