Overview

overview

10

Static

static

REF0001910...ls.exe

windows7_x64

10

REF0001910...ls.exe

windows10_x64

10

Analysis

  • max time kernel
    126s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    19-10-2021 10:30

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General

  • Target

    REF00019102021-Order Xls.exe

  • Size

    1.0MB

  • MD5

    428be499d18400fb8a92b1d5bdf4bcc1

  • SHA1

    3e05b6c8b3c5f6d752ef26ee4472bf75c86aef99

  • SHA256

    c4144b07c23720baefa5ff9c9ca78438199544ecd20bc2df227fc361c9e5c935

  • SHA512

    a32681aeda4884508d2e71a636dbf9df200ba77f40341bd83d654fc0f6982054a55e1ea59491b319bd3c02b1712f4def7f52a57d01d6a155c7995b43fe26a0f9

Score
10/10
agentteslacollectionevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mmdqatar.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    172.93.148.185

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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
  • Suspicious behavior: EnumeratesProcesses 3 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\REF00019102021-Order Xls.exe
    "C:\Users\Admin\AppData\Local\Temp\REF00019102021-Order Xls.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:1944
    • C:\Users\Admin\AppData\Local\Temp\REF00019102021-Order Xls.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3848

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
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\REF00019102021-Order Xls.exe.log
    MD5

    5ce36f0c4d9568839c224ffaa10d5441

    SHA1

    69c0cdded0b415091641c3fbf64b7fbd7e285e47

    SHA256

    c93c5a9fdaa44aeb7f25c89abed40a1ca6432bf3ea840e2820388bef68cd116a

    SHA512

    a6ef350d4f36f35b42ce0b8a4df83f17fb0a4f66dcfa32617b22e642168291bede3b612969e0eec293d7ca1ba0aef7a05c31823bd41821e0880b609f280b0b83

    Download Submit
  • memory/1944-124-0x00000000096A0000-0x0000000009720000-memory.dmp
    Filesize

    512KB

    Download
  • memory/1944-123-0x00000000060B0000-0x00000000060BE000-memory.dmp
    Filesize

    56KB

    Download
  • memory/1944-119-0x0000000005B20000-0x0000000005B21000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1944-120-0x0000000005BD0000-0x00000000060CE000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/1944-125-0x000000000BEA0000-0x000000000BED8000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1944-122-0x0000000005D50000-0x0000000005D51000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1944-118-0x00000000060D0000-0x00000000060D1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1944-115-0x0000000000FE0000-0x0000000000FE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1944-121-0x0000000005A40000-0x0000000005A41000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1944-126-0x0000000009880000-0x0000000009881000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1944-117-0x0000000005A80000-0x0000000005A81000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3848-128-0x00000000004375DE-mapping.dmp
    Download
  • memory/3848-127-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/3848-134-0x0000000005400000-0x00000000058FE000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/3848-135-0x0000000005540000-0x0000000005541000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3848-139-0x0000000005400000-0x00000000058FE000-memory.dmp
    Filesize

    5.0MB

    Download