Overview

overview

10

Static

static

PO 0017709...B).exe

windows7-x64

10

PO 0017709...B).exe

windows10-2004-x64

10

Analysis

  • max time kernel
    172s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2022 18:19

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General

  • Target

    PO 0017709220.pdf (68KB).exe

  • Size

    871KB

  • MD5

    94370cac5c6a71ef3b1ac252d8c2d1f0

  • SHA1

    99e3a287c919446a51a29bb41b15e392381eb4d7

  • SHA256

    5fe027cf78cba3c3e99db784eff2511d0d98b0f651fb840098f4a2a3f6c7ad60

  • SHA512

    1a5a4123aae1036a29b20f559f1d0b78ff88fdceeb842106fdb27e34ff7e0a150f1e200ebd07bef56ba2b580b34eac4513e07719ab6ebc1482f9c7364ae3e431

  • SSDEEP

    24576:X8DsTl9mUzgCzfsWfJHDxtMcKQ1Qj2SoYQi3:XAsT3dJltb1Qj6Yf

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5988122207:AAF1_KgDENpI5X2i7Phd669ok2u6BhL3kK0/

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe
    "C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BATNhTK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1692
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BATNhTK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6A1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1944
    • C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe
      "C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1408

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\tmpD6A1.tmp
    Filesize

    1KB

    MD5

    82f0104172338e9159b11c17e6c54508

    SHA1

    017628ea99f292d6ff177fb25cf6130c5a40e129

    SHA256

    98edb88998ea88799b2d11765af5d823de466937da89c710221e4fab2b5c0a93

    SHA512

    9236e113a387675feaa88fe275c4001c758c5df6b9d946ef69535ade2900579147b1e1b1f970a98c544587b748a24ba4bc51af4a1208a60973ea89c1978ef482

    Download Submit
  • memory/1408-68-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1408-75-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1408-73-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1408-70-0x00000000004324AE-mapping.dmp
    Download
  • memory/1408-69-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1408-67-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1408-65-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1408-64-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1692-77-0x000000006C6E0000-0x000000006CC8B000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1692-72-0x000000006C6E0000-0x000000006CC8B000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1692-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1744-58-0x0000000005610000-0x0000000005680000-memory.dmp
    Filesize

    448KB

    Download
  • memory/1744-63-0x0000000005730000-0x0000000005768000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1744-54-0x0000000000E50000-0x0000000000F30000-memory.dmp
    Filesize

    896KB

    Download
  • memory/1744-57-0x0000000000A30000-0x0000000000A3E000-memory.dmp
    Filesize

    56KB

    Download
  • memory/1744-56-0x00000000009B0000-0x00000000009D2000-memory.dmp
    Filesize

    136KB

    Download
  • memory/1744-55-0x0000000075C81000-0x0000000075C83000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1944-60-0x0000000000000000-mapping.dmp
    Download