Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 02:56

General

  • Target

    6e14711ab76c47ea570f8428b845afb69a56835e4cfb37687b9e8002f75c1e7b_NeikiAnalytics.exe

  • Size

    243KB

  • MD5

    21a74c8ef323e2da70e8e456371a5e90

  • SHA1

    1cdc4206ff216e5e36a203a96e49b7912799aa0a

  • SHA256

    6e14711ab76c47ea570f8428b845afb69a56835e4cfb37687b9e8002f75c1e7b

  • SHA512

    5c9642696157994360c282616e089cd6edb0e719a1f811f399cd6cbec2dd9afa56cf912b6531aacac0825412e46e32fbabc0a56c3945724716ae34e1829cbbea

  • SSDEEP

    6144:k9dta6dtJmakIM5Q2bTnvHbLOupQe4li2+YLV6h:stpmkRizzLVpEs2+YLV6h

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dramzx69.ddns.net:54984

127.0.0.1:54984

Mutex

ed92ea49-3bb1-45be-97d5-43264f46dd22

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-08-21T05:24:08.523884236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    sender

  • 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

    ed92ea49-3bb1-45be-97d5-43264f46dd22

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    dramzx69.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Detect Neshta payload 2 IoCs
  • NanoCore

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

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e14711ab76c47ea570f8428b845afb69a56835e4cfb37687b9e8002f75c1e7b_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\6e14711ab76c47ea570f8428b845afb69a56835e4cfb37687b9e8002f75c1e7b_NeikiAnalytics.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6e14711ab76c47ea570f8428b845afb69a56835e4cfb37687b9e8002f75c1e7b_NeikiAnalytics.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6e14711ab76c47ea570f8428b845afb69a56835e4cfb37687b9e8002f75c1e7b_NeikiAnalytics.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2000

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\6e14711ab76c47ea570f8428b845afb69a56835e4cfb37687b9e8002f75c1e7b_NeikiAnalytics.exe
    Filesize

    202KB

    MD5

    9c4dcf741e76d2c6fd7ddd651e1e41cc

    SHA1

    4f4b01a8ccdcfcfe59e4afdf79df2375d65aa968

    SHA256

    f5e04ad6c516a27d72b4ba6c00c273fb8ef5db587b3a8042c1a589ce00e4324a

    SHA512

    0c861e0f7ce7ae2181c03248961d98f9786626bbb9e140305658518bcbc654f35ae2ab0d1672852b7c5f370920602941b0b2336ac80e093992cab2796a1700a6

  • memory/2000-15-0x0000000073E31000-0x0000000073E32000-memory.dmp
    Filesize

    4KB

  • memory/2000-16-0x0000000073E30000-0x00000000743DB000-memory.dmp
    Filesize

    5.7MB

  • memory/2000-17-0x0000000073E30000-0x00000000743DB000-memory.dmp
    Filesize

    5.7MB

  • memory/2000-96-0x0000000073E30000-0x00000000743DB000-memory.dmp
    Filesize

    5.7MB

  • memory/2044-95-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB