Analysis

  • max time kernel
    100s
  • max time network
    182s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 12:36

General

  • Target

    ORDER TSA-A090621B MV Hyundai Viet LTD.exe

  • Size

    1.6MB

  • MD5

    8e5a20788e97f7c76224b87e82d5aca6

  • SHA1

    f2d8724bf3ce016c3fb12a5d08af26d4a0919c9a

  • SHA256

    c837280f88c94c57bc0378d783e465f47043ff97db1cacbcac28819176f5e9fd

  • SHA512

    155d27703177f6267452ff192d08badea82d950aed383e9a7f0e11a925294c2e34ed297c1977ae9534e6cca8d67b11efe48151236417ca9004a4665965a9d5ef

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.120:1604

joseedward5001.ddns.net:1604

Mutex

0d56db32-3eda-4dbe-b516-9d15e051f958

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    joseedward5001.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-05-07T02:45:36.242219236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1604

  • default_group

    new lease

  • 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

    0d56db32-3eda-4dbe-b516-9d15e051f958

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    194.5.98.120

  • 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.

  • suricata: ET MALWARE Possible NanoCore C2 60B
  • 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 whether UAC is enabled 1 TTPs 1 IoCs
  • 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 13 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER TSA-A090621B MV Hyundai Viet LTD.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER TSA-A090621B MV Hyundai Viet LTD.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:1072
    • 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\ORDER TSA-A090621B MV Hyundai Viet LTD.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lIUvwDSw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lIUvwDSw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC62.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:932
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lIUvwDSw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1556
    • C:\Users\Admin\AppData\Local\Temp\ORDER TSA-A090621B MV Hyundai Viet LTD.exe
      "C:\Users\Admin\AppData\Local\Temp\ORDER TSA-A090621B MV Hyundai Viet LTD.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1912

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

4
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\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1602f747-c1a3-4345-8dec-4dcb8b1f72e5
    MD5

    02ff38ac870de39782aeee04d7b48231

    SHA1

    0390d39fa216c9b0ecdb38238304e518fb2b5095

    SHA256

    fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

    SHA512

    24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2d686436-375c-4ee1-bd4a-9e44ccd248ba
    MD5

    75a8da7754349b38d64c87c938545b1b

    SHA1

    5c28c257d51f1c1587e29164cc03ea880c21b417

    SHA256

    bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

    SHA512

    798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4375eeb7-a65d-43f1-a616-02c5ad6c5370
    MD5

    be4d72095faf84233ac17b94744f7084

    SHA1

    cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

    SHA256

    b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

    SHA512

    43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6fe5bd95-2cea-4aea-9c8c-dd67bac4295b
    MD5

    df44874327d79bd75e4264cb8dc01811

    SHA1

    1396b06debed65ea93c24998d244edebd3c0209d

    SHA256

    55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

    SHA512

    95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8429b348-872c-4eb1-9b7b-ec8e13b21deb
    MD5

    354b8209f647a42e2ce36d8cf326cc92

    SHA1

    98c3117f797df69935f8b09fc9e95accfe3d8346

    SHA256

    feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

    SHA512

    420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b194e677-a42e-4e73-a7f6-1b8f6a727a0d
    MD5

    a70ee38af4bb2b5ed3eeb7cbd1a12fa3

    SHA1

    81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

    SHA256

    dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

    SHA512

    8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bc2fe8ee-69c0-48ce-8821-1fab80ab4eeb
    MD5

    597009ea0430a463753e0f5b1d1a249e

    SHA1

    4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

    SHA256

    3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

    SHA512

    5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e3c92992-88aa-43a5-b661-85456fac0644
    MD5

    7f79b990cb5ed648f9e583fe35527aa7

    SHA1

    71b177b48c8bd745ef02c2affad79ca222da7c33

    SHA256

    080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

    SHA512

    20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fa12b0a1-3d6a-4bab-a74a-253a75ca0598
    MD5

    5e3c7184a75d42dda1a83606a45001d8

    SHA1

    94ca15637721d88f30eb4b6220b805c5be0360ed

    SHA256

    8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

    SHA512

    fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
    MD5

    a725bb9fafcf91f3c6b7861a2bde6db2

    SHA1

    8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

    SHA256

    51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

    SHA512

    1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
    MD5

    a725bb9fafcf91f3c6b7861a2bde6db2

    SHA1

    8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

    SHA256

    51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

    SHA512

    1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fe80cd26-0cf7-4e38-9884-6dab53b04ca9
    MD5

    b6d38f250ccc9003dd70efd3b778117f

    SHA1

    d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

    SHA256

    4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

    SHA512

    67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ff8a2e2c-d985-406e-bb7a-213aa61b9264
    MD5

    d89968acfbd0cd60b51df04860d99896

    SHA1

    b3c29916ccb81ce98f95bbf3aa8a73de16298b29

    SHA256

    1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

    SHA512

    b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
    MD5

    41b39f50d1be2c0669217db6e07714b1

    SHA1

    1401ed63f5ca1f20c32e8f43e39ce6f3e45f05b6

    SHA256

    8ec0f5362460c4208ada15835c7ea6909016cf090aad16e9874d14bd8806eca0

    SHA512

    606b81e02836a3257da8de26f81d5883ec3b982f16153a8703e1e7e37638d0f827750567f30d3c27c2690d2fe542e1a26aaca9ff34552a0ed9e356778e36591c

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
    MD5

    e24911da0690b0dfd04b549cae0c27d3

    SHA1

    3cb90851950a8c423b90669e16220fc363a008b3

    SHA256

    6f3d326da382a08351a79883cb3cfb72a7e9e219b5b8bcfd83e6355703bb56eb

    SHA512

    890fba7b58ef091a8f5872ad85d87e2023a10e67372740cb83fc41bfd889ea52ea1659b5a93bb54c0bc4d1b2bb1418a0bdf49d639ed379f6a618e71d9b105fdd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
    MD5

    22543b3cd55b1849289b4d71b958498a

    SHA1

    c8fa5daf1e896a7f1fdcf5198aa1cd8f1dc0b512

    SHA256

    39e8890eff3d1c0ab17d0e5c3fa1415697cb88660bd3c25aa3556642c4d9b05c

    SHA512

    a5c7ad845a27692211448eb8cb80ac468b6d132c1b120efa9da196d561ca5b2f5a5b7ad53f4109a35d78c1da3a75406db9ca374979a1611c6b6daaa60ba9270b

  • C:\Users\Admin\AppData\Local\Temp\tmpEC62.tmp
    MD5

    28f9d0e66b56bd007799a5f99c0193c8

    SHA1

    0511e701277336648a2359f7ad0b8e71c3d975e2

    SHA256

    8629e1b243f26edb8505bbb90dd3a9627984fd13cefcfeaecbb2d3851d105b68

    SHA512

    138d9f719f48e9c4884bf8b9dd99cce88131a5cc5d573ce12ca450126507d670cb1ee48989041f2464181d155ae50c19dde18262e98c893377e9a320de48dd1e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    MD5

    ef682041042c2b23643e6845de1dfae4

    SHA1

    cb8d7d8b62a3b342424efadc71822bc5e6aab0eb

    SHA256

    185eb4a169bfcfbf0aa1799b2f0fb2de8719c04f08607cf1fbca3f828e90dad1

    SHA512

    6e5c05605d2abc238bb769577c6715f03f0cf3212d8bc699a92f4d5065d78870f21b99561722e44e98d6b18671a146d654bedde0d293b05502c446315ddee989

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    MD5

    ef682041042c2b23643e6845de1dfae4

    SHA1

    cb8d7d8b62a3b342424efadc71822bc5e6aab0eb

    SHA256

    185eb4a169bfcfbf0aa1799b2f0fb2de8719c04f08607cf1fbca3f828e90dad1

    SHA512

    6e5c05605d2abc238bb769577c6715f03f0cf3212d8bc699a92f4d5065d78870f21b99561722e44e98d6b18671a146d654bedde0d293b05502c446315ddee989

  • memory/932-70-0x0000000000000000-mapping.dmp
  • memory/1068-67-0x0000000000CD0000-0x0000000000CD1000-memory.dmp
    Filesize

    4KB

  • memory/1068-86-0x0000000001052000-0x0000000001053000-memory.dmp
    Filesize

    4KB

  • memory/1068-91-0x0000000001090000-0x0000000001091000-memory.dmp
    Filesize

    4KB

  • memory/1068-85-0x0000000001050000-0x0000000001051000-memory.dmp
    Filesize

    4KB

  • memory/1068-68-0x00000000046B0000-0x00000000046B1000-memory.dmp
    Filesize

    4KB

  • memory/1068-97-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB

  • memory/1068-65-0x0000000000000000-mapping.dmp
  • memory/1068-66-0x00000000752F1000-0x00000000752F3000-memory.dmp
    Filesize

    8KB

  • memory/1072-61-0x0000000004E30000-0x0000000004E31000-memory.dmp
    Filesize

    4KB

  • memory/1072-59-0x0000000001170000-0x0000000001171000-memory.dmp
    Filesize

    4KB

  • memory/1072-62-0x00000000003E0000-0x000000000040D000-memory.dmp
    Filesize

    180KB

  • memory/1072-63-0x00000000053A0000-0x000000000541A000-memory.dmp
    Filesize

    488KB

  • memory/1072-64-0x0000000000CB0000-0x0000000000CE5000-memory.dmp
    Filesize

    212KB

  • memory/1556-76-0x0000000000000000-mapping.dmp
  • memory/1556-133-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/1556-135-0x0000000005690000-0x0000000005691000-memory.dmp
    Filesize

    4KB

  • memory/1556-114-0x00000000056D0000-0x00000000056D1000-memory.dmp
    Filesize

    4KB

  • memory/1556-90-0x0000000002550000-0x000000000319A000-memory.dmp
    Filesize

    12.3MB

  • memory/1556-127-0x0000000006270000-0x0000000006271000-memory.dmp
    Filesize

    4KB

  • memory/1556-120-0x0000000006300000-0x0000000006301000-memory.dmp
    Filesize

    4KB

  • memory/1556-119-0x0000000005820000-0x0000000005821000-memory.dmp
    Filesize

    4KB

  • memory/1912-79-0x000000000041E792-mapping.dmp
  • memory/1912-101-0x00000000004E0000-0x00000000004F5000-memory.dmp
    Filesize

    84KB

  • memory/1912-111-0x00000000007C0000-0x00000000007CA000-memory.dmp
    Filesize

    40KB

  • memory/1912-112-0x0000000000E40000-0x0000000000E69000-memory.dmp
    Filesize

    164KB

  • memory/1912-113-0x00000000008E0000-0x00000000008EF000-memory.dmp
    Filesize

    60KB

  • memory/1912-102-0x0000000000510000-0x0000000000516000-memory.dmp
    Filesize

    24KB

  • memory/1912-104-0x0000000000630000-0x0000000000637000-memory.dmp
    Filesize

    28KB

  • memory/1912-107-0x00000000006A0000-0x00000000006A9000-memory.dmp
    Filesize

    36KB

  • memory/1912-106-0x0000000000690000-0x000000000069D000-memory.dmp
    Filesize

    52KB

  • memory/1912-105-0x0000000000680000-0x0000000000686000-memory.dmp
    Filesize

    24KB

  • memory/1912-103-0x0000000000520000-0x000000000052C000-memory.dmp
    Filesize

    48KB

  • memory/1912-110-0x00000000006B0000-0x00000000006BF000-memory.dmp
    Filesize

    60KB

  • memory/1912-100-0x00000000003F0000-0x00000000003FD000-memory.dmp
    Filesize

    52KB

  • memory/1912-96-0x0000000000370000-0x0000000000373000-memory.dmp
    Filesize

    12KB

  • memory/1912-95-0x0000000000350000-0x0000000000369000-memory.dmp
    Filesize

    100KB

  • memory/1912-94-0x0000000000340000-0x0000000000345000-memory.dmp
    Filesize

    20KB

  • memory/1912-77-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1912-81-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1912-89-0x0000000004E40000-0x0000000004E41000-memory.dmp
    Filesize

    4KB

  • memory/1964-88-0x0000000004912000-0x0000000004913000-memory.dmp
    Filesize

    4KB

  • memory/1964-87-0x0000000004910000-0x0000000004911000-memory.dmp
    Filesize

    4KB

  • memory/1964-69-0x0000000000000000-mapping.dmp