Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:16

General

  • Target

    Order List.exe

  • Size

    937KB

  • MD5

    f7ce9ae72c2106ca0b0b85188b43f758

  • SHA1

    0a542637796e19ea1cb3379471ba69fcdd9b239e

  • SHA256

    112d707367a7101031fb617c9514187ca68b817a27b6b6a2ecc1b737dc974a1a

  • SHA512

    9acc72e4fbaaea6b720e9da0d6649d55d18e201d41d252a8e62dde77a5b4a9e709ffbaa2ca533217176c149c485e6a4390a402ebce29aa91af0cb6d957d8ede2

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.4.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 3:06:12 PM MassLogger Started: 5/21/2022 3:06:09 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Order List.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • 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 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Looks up external IP address via web service 1 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.

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order List.exe
    "C:\Users\Admin\AppData\Local\Temp\Order List.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:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kkJqtFyYwn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5E9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1232
    • C:\Users\Admin\AppData\Local\Temp\Order List.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1880

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA5E9.tmp
    Filesize

    1KB

    MD5

    0aef30f1949bb573fe6bce0be37453ec

    SHA1

    b28ab65b11ef2399dc356c50a1f049311ff39ec4

    SHA256

    8385d223ecce729000de8c611ba56763c983cf8bf41870fe4a66f263588e5b23

    SHA512

    3e9c50ceef2765339412676466b6e5515a55ae54d7e316563b1253b8b474bda73a7c6b1dfd4909020ce7431bd669ef5f95ca8be74a754d4dda2c0f403d1605ab

  • memory/1232-136-0x0000000000000000-mapping.dmp
  • memory/1496-130-0x0000000000BD0000-0x0000000000CC0000-memory.dmp
    Filesize

    960KB

  • memory/1496-131-0x0000000007F00000-0x00000000084A4000-memory.dmp
    Filesize

    5.6MB

  • memory/1496-132-0x0000000007A30000-0x0000000007AC2000-memory.dmp
    Filesize

    584KB

  • memory/1496-133-0x0000000007A10000-0x0000000007A1A000-memory.dmp
    Filesize

    40KB

  • memory/1496-134-0x000000000B720000-0x000000000B7BC000-memory.dmp
    Filesize

    624KB

  • memory/1496-135-0x000000000B8C0000-0x000000000B926000-memory.dmp
    Filesize

    408KB

  • memory/1880-161-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-171-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-141-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-143-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-145-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-147-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-149-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-151-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-153-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-155-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-157-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-159-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-138-0x0000000000000000-mapping.dmp
  • memory/1880-163-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-165-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-167-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-169-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-139-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-173-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-175-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-177-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-179-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-181-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-183-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-185-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-187-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-189-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-191-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-193-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-195-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-197-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-199-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1880-201-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB