Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 08:06

General

  • Target

    PROOF OF PAYMENT.scr.exe

  • Size

    670KB

  • MD5

    11b19b59f657910f0af49721a77bc2dd

  • SHA1

    3078779d892bd96e5dfddb76d491f52eefd39a2d

  • SHA256

    c03858657307a20f2da776ba010c76495276e80306c19b70f44342c8bcaece85

  • SHA512

    de92458acc1341bd5db1ca3f5542339c5e06dac938903efc9c9eeca234058a92fb1e99bdb94c547a7126dfe033c300beb5a8ef3ca63dcb61bb6dbd397b7602e2

  • SSDEEP

    12288:EWYIPXjxannnHg2g2Qsj2kGPBjQW/dAOAbnB4BziHmBOXB3NEqRFnj7Qu4YCgca:EWYIPFannnHg2F2kUBjB8B4BOHLXcqbh

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:3190

Mutex

3ccbc5bb-95bf-4854-a1cd-6f73b82adcba

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    amechi.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-02-04T08:58:27.782943536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3190

  • default_group

    GLORY

  • 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

    3ccbc5bb-95bf-4854-a1cd-6f73b82adcba

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    amechi.duckdns.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • 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

  • NanoCore

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • 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 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.scr.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3320
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.scr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2956
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hXGmUcb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2248
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hXGmUcb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64B5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5112
    • C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.scr.exe"
      2⤵
      • 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:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    e92e247ae977b531b7b40472155cd25d

    SHA1

    74f2dc6703a371270bb9708757a9952b1a7a6b35

    SHA256

    c2d082c8ed35e5d6fb24c1476d76c795700a513362fea8df03822158d9d059ce

    SHA512

    f80f9dbdf13ff1eaef540b242b97f3527e4801124fda74fe8e43f2b1f7fb8b4d525008886c025b250535aef39113e83a956b5df198f6aae1ccd26cfe901e0ee0

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0jc5vipi.dvf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp64B5.tmp

    Filesize

    1KB

    MD5

    882a972596278184fe775c2dec04bbc0

    SHA1

    f906bd7585992515713e2efe013ae61ccb3f0e0d

    SHA256

    561cab84b68a06a7c48a660aebb716f4bc525630aa7e7e395f7863a17c9df328

    SHA512

    6f837c4424ff593f63f4718333a48fe4472795e4d27b90bb823635c238e1542ce0add10559d4a173491b43775d90723fcc2def02fb2db519057cbc104504faeb

  • memory/2248-57-0x0000000006AD0000-0x0000000006B02000-memory.dmp

    Filesize

    200KB

  • memory/2248-100-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-83-0x00000000076F0000-0x0000000007793000-memory.dmp

    Filesize

    652KB

  • memory/2248-82-0x0000000002C70000-0x0000000002C80000-memory.dmp

    Filesize

    64KB

  • memory/2248-86-0x0000000007E70000-0x00000000084EA000-memory.dmp

    Filesize

    6.5MB

  • memory/2248-88-0x00000000078A0000-0x00000000078AA000-memory.dmp

    Filesize

    40KB

  • memory/2248-89-0x0000000007AB0000-0x0000000007B46000-memory.dmp

    Filesize

    600KB

  • memory/2248-58-0x000000007F250000-0x000000007F260000-memory.dmp

    Filesize

    64KB

  • memory/2248-90-0x0000000007A30000-0x0000000007A41000-memory.dmp

    Filesize

    68KB

  • memory/2248-84-0x0000000002C70000-0x0000000002C80000-memory.dmp

    Filesize

    64KB

  • memory/2248-91-0x0000000007A60000-0x0000000007A6E000-memory.dmp

    Filesize

    56KB

  • memory/2248-19-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-20-0x0000000002C70000-0x0000000002C80000-memory.dmp

    Filesize

    64KB

  • memory/2248-59-0x0000000071980000-0x00000000719CC000-memory.dmp

    Filesize

    304KB

  • memory/2248-22-0x0000000005D60000-0x0000000005D82000-memory.dmp

    Filesize

    136KB

  • memory/2248-92-0x0000000007A70000-0x0000000007A84000-memory.dmp

    Filesize

    80KB

  • memory/2248-93-0x0000000007B70000-0x0000000007B8A000-memory.dmp

    Filesize

    104KB

  • memory/2708-108-0x0000000006860000-0x000000000686E000-memory.dmp

    Filesize

    56KB

  • memory/2708-54-0x0000000005530000-0x000000000553A000-memory.dmp

    Filesize

    40KB

  • memory/2708-103-0x00000000067F0000-0x0000000006802000-memory.dmp

    Filesize

    72KB

  • memory/2708-104-0x0000000006800000-0x000000000681A000-memory.dmp

    Filesize

    104KB

  • memory/2708-47-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/2708-25-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2708-52-0x0000000005180000-0x000000000518A000-memory.dmp

    Filesize

    40KB

  • memory/2708-105-0x0000000006830000-0x000000000683E000-memory.dmp

    Filesize

    56KB

  • memory/2708-106-0x0000000006840000-0x0000000006852000-memory.dmp

    Filesize

    72KB

  • memory/2708-29-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2708-107-0x0000000006850000-0x000000000685C000-memory.dmp

    Filesize

    48KB

  • memory/2708-109-0x0000000006870000-0x0000000006884000-memory.dmp

    Filesize

    80KB

  • memory/2708-110-0x0000000006880000-0x0000000006890000-memory.dmp

    Filesize

    64KB

  • memory/2708-111-0x00000000068A0000-0x00000000068B4000-memory.dmp

    Filesize

    80KB

  • memory/2708-112-0x00000000068C0000-0x00000000068CE000-memory.dmp

    Filesize

    56KB

  • memory/2708-113-0x00000000068D0000-0x00000000068FE000-memory.dmp

    Filesize

    184KB

  • memory/2708-114-0x0000000006910000-0x0000000006924000-memory.dmp

    Filesize

    80KB

  • memory/2708-53-0x00000000053E0000-0x00000000053FE000-memory.dmp

    Filesize

    120KB

  • memory/2708-116-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2956-21-0x0000000004600000-0x0000000004610000-memory.dmp

    Filesize

    64KB

  • memory/2956-101-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2956-85-0x0000000004600000-0x0000000004610000-memory.dmp

    Filesize

    64KB

  • memory/2956-62-0x000000007FDC0000-0x000000007FDD0000-memory.dmp

    Filesize

    64KB

  • memory/2956-87-0x0000000006D10000-0x0000000006D2A000-memory.dmp

    Filesize

    104KB

  • memory/2956-72-0x0000000006970000-0x000000000698E000-memory.dmp

    Filesize

    120KB

  • memory/2956-14-0x0000000004430000-0x0000000004466000-memory.dmp

    Filesize

    216KB

  • memory/2956-56-0x0000000005A80000-0x0000000005ACC000-memory.dmp

    Filesize

    304KB

  • memory/2956-55-0x00000000059F0000-0x0000000005A0E000-memory.dmp

    Filesize

    120KB

  • memory/2956-26-0x0000000005450000-0x00000000057A4000-memory.dmp

    Filesize

    3.3MB

  • memory/2956-15-0x0000000004C40000-0x0000000005268000-memory.dmp

    Filesize

    6.2MB

  • memory/2956-94-0x0000000007030000-0x0000000007038000-memory.dmp

    Filesize

    32KB

  • memory/2956-16-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2956-17-0x0000000004600000-0x0000000004610000-memory.dmp

    Filesize

    64KB

  • memory/2956-60-0x0000000071980000-0x00000000719CC000-memory.dmp

    Filesize

    304KB

  • memory/2956-23-0x0000000004AD0000-0x0000000004B36000-memory.dmp

    Filesize

    408KB

  • memory/2956-24-0x00000000053E0000-0x0000000005446000-memory.dmp

    Filesize

    408KB

  • memory/3320-27-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3320-5-0x0000000005060000-0x000000000506A000-memory.dmp

    Filesize

    40KB

  • memory/3320-48-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3320-4-0x0000000004E10000-0x0000000004E20000-memory.dmp

    Filesize

    64KB

  • memory/3320-1-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3320-2-0x0000000005510000-0x0000000005AB4000-memory.dmp

    Filesize

    5.6MB

  • memory/3320-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

    Filesize

    584KB

  • memory/3320-0-0x0000000000450000-0x00000000004FC000-memory.dmp

    Filesize

    688KB

  • memory/3320-9-0x000000000BE30000-0x000000000BECC000-memory.dmp

    Filesize

    624KB

  • memory/3320-8-0x0000000008D00000-0x0000000008D7A000-memory.dmp

    Filesize

    488KB

  • memory/3320-7-0x0000000005170000-0x0000000005184000-memory.dmp

    Filesize

    80KB

  • memory/3320-6-0x0000000005140000-0x0000000005160000-memory.dmp

    Filesize

    128KB