Overview

overview

10

Static

static

3

WARUNKI UMOWY-pdf.exe

windows7-x64

10

WARUNKI UMOWY-pdf.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 11:01

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General

  • Target

    WARUNKI UMOWY-pdf.exe

  • Size

    739KB

  • MD5

    79065c8c4f996baea30bebc6bf7cc616

  • SHA1

    dbce48ee0e1146f0831542e40e7ca8eac967619e

  • SHA256

    326cd3ed29e56d54e045a0bc9ba0a85fb6d39f6d01dcd553754295556827d3f6

  • SHA512

    1b6a608aeb90671bcc350c17a7f21efedc552aca914af3ef260625bfcab7cdda92db04c34e2074525eb9f9000d0a3bf0fce574bcb019010c7250a78f42e78b8e

  • SSDEEP

    6144:E5lz/i8Ta7q5IMHhyqOTUJtQByogYXroFAegt8mTyGyQmHEdGxgg5ic9rAy:Mo97q5nhy10AyPWIbmTywmHBjLrAy

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     ftp
  • Host:
    ftp://ftp.fredy.ee
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    playingboyz231

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

    spywarestealer
  • 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
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WARUNKI UMOWY-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\WARUNKI UMOWY-pdf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\WARUNKI UMOWY-pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\WARUNKI UMOWY-pdf.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3556

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

4
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsk473B.tmp\System.dll
    Filesize

    12KB

    MD5

    0d7ad4f45dc6f5aa87f606d0331c6901

    SHA1

    48df0911f0484cbe2a8cdd5362140b63c41ee457

    SHA256

    3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    SHA512

    c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    Download Submit
  • memory/2272-9-0x00000000773E1000-0x0000000077501000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/2272-10-0x00000000773E1000-0x0000000077501000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/2272-11-0x0000000074240000-0x0000000074247000-memory.dmp
    Filesize

    28KB

    Download
  • memory/3556-12-0x0000000077468000-0x0000000077469000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3556-13-0x0000000077485000-0x0000000077486000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3556-14-0x00000000004B0000-0x0000000001704000-memory.dmp
    Filesize

    18.3MB

    Download
  • memory/3556-15-0x00000000773E1000-0x0000000077501000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/3556-17-0x0000000071C90000-0x0000000072440000-memory.dmp
    Filesize

    7.7MB

    Download
  • memory/3556-16-0x00000000004B0000-0x00000000004F2000-memory.dmp
    Filesize

    264KB

    Download
  • memory/3556-18-0x0000000039260000-0x0000000039804000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3556-19-0x0000000039250000-0x0000000039260000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3556-20-0x0000000039170000-0x00000000391D6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3556-21-0x0000000039C80000-0x0000000039CD0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/3556-22-0x0000000039CE0000-0x0000000039D72000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3556-23-0x0000000039DC0000-0x0000000039DCA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3556-26-0x0000000071C90000-0x0000000072440000-memory.dmp
    Filesize

    7.7MB

    Download
  • memory/3556-28-0x0000000039250000-0x0000000039260000-memory.dmp
    Filesize

    64KB

    Download