Overview

overview

10

Static

static

5

TRANSAC2.exe

windows7_x64

10

TRANSAC2.exe

windows10-2004_x64

10

TRANSACT.exe

windows7_x64

10

TRANSACT.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    181s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 15:04

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General

  • Target

    TRANSACT.exe

  • Size

    1.3MB

  • MD5

    94aeaa711304f24759074946ad18409e

  • SHA1

    ccf1571a794c4e27df21ac9565d6cc5d9a9bb97e

  • SHA256

    eb3700158ed1f2709e37c6c8fba95c397d1a04cb334ba82a0fb3feff0c2255c0

  • SHA512

    f92583c7b695613804febfe481d644238d5bfdced88a8661422c31984efda7ab6ec67321a851c0eae3b7ceb2f2a9efa49a89e7bdcee5af7d0a577c6e524bfdbb

Score
10/10
nanocorekeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

54.36.24.65:30301

103.194.171.108:30301
Mutex

9b2ed16d-c582-447b-bb46-934e11de6bd8

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    103.194.171.108

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-25T05:41:03.288865736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    30301

  • default_group

    testtest

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    9b2ed16d-c582-447b-bb46-934e11de6bd8

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    54.36.24.65

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TRANSACT.exe
    "C:\Users\Admin\AppData\Local\Temp\TRANSACT.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4448

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3708-130-0x0000000001480000-0x00000000014E6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3708-137-0x0000000003DA0000-0x0000000003E06000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4448-131-0x0000000000000000-mapping.dmp
    Download
  • memory/4448-132-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/4448-138-0x0000000073BB0000-0x0000000074161000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4448-139-0x0000000073BB0000-0x0000000074161000-memory.dmp
    Filesize

    5.7MB

    Download