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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/12/2024, 14:38 UTC

General

  • Target

    2570f2938a8accbc41424134e0347d45a8779b36fffdd8aa104f02cd3fe04a46N.exe

  • Size

    80KB

  • MD5

    c16fb9eb68e644392b469da041ce9d80

  • SHA1

    755b3886c9fdf506a95caa4be7029e2e734090ba

  • SHA256

    2570f2938a8accbc41424134e0347d45a8779b36fffdd8aa104f02cd3fe04a46

  • SHA512

    a112d0bd93ebaf47fb6922a7b6db5ffcf4ef8e3eaecb9899838baeac39094d90517ea10c5e8fe2d8b962ac7e9245e111515fec1eafe3e7e341060d78b65da525

  • SSDEEP

    768:3fMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uA6:3fbIvYvZEyFKF6N4yS+AQmZTl/5i

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • Neconyd family
  • Executes dropped EXE 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2570f2938a8accbc41424134e0347d45a8779b36fffdd8aa104f02cd3fe04a46N.exe
    "C:\Users\Admin\AppData\Local\Temp\2570f2938a8accbc41424134e0347d45a8779b36fffdd8aa104f02cd3fe04a46N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4552
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5012

Network

  • flag-us
    DNS
    lousta.net
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    lousta.net
    IN A
    Response
    lousta.net
    IN A
    193.166.255.171
  • flag-us
    DNS
    180.129.81.91.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    180.129.81.91.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    58.55.71.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    58.55.71.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    64.159.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    64.159.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    209.205.72.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    209.205.72.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    149.220.183.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    149.220.183.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    200.163.202.172.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    200.163.202.172.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    18.31.95.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    18.31.95.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    86.49.80.91.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    86.49.80.91.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    mkkuei4kdsz.com
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    mkkuei4kdsz.com
    IN A
    Response
    mkkuei4kdsz.com
    IN A
    3.33.243.145
    mkkuei4kdsz.com
    IN A
    15.197.204.56
  • flag-us
    DNS
    mkkuei4kdsz.com
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    mkkuei4kdsz.com
    IN A
    Response
    mkkuei4kdsz.com
    IN A
    15.197.204.56
    mkkuei4kdsz.com
    IN A
    3.33.243.145
  • flag-us
    DNS
    mkkuei4kdsz.com
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    mkkuei4kdsz.com
    IN A
  • flag-us
    DNS
    mkkuei4kdsz.com
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    mkkuei4kdsz.com
    IN A
  • flag-us
    GET
    http://mkkuei4kdsz.com/124/342.html
    omsecor.exe
    Remote address:
    3.33.243.145:80
    Request
    GET /124/342.html HTTP/1.1
    From: 133788335003146207
    Via: bjledplYpdq;6+3]^mc`;4Yn`m_l8//+./.0]jq<10/,\j`w<]/d\_b3de17b2271d32`4,3e,.54ad^.
    Host: mkkuei4kdsz.com
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    content-type: text/html
    date: Mon, 16 Dec 2024 14:39:28 GMT
    content-length: 114
  • flag-us
    DNS
    172.214.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.214.232.199.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    145.243.33.3.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    145.243.33.3.in-addr.arpa
    IN PTR
    Response
    145.243.33.3.in-addr.arpa
    IN PTR
    a3edc0dabdef92d6dawsglobalacceleratorcom
  • flag-us
    DNS
    ow5dirasuek.com
    omsecor.exe
    Remote address:
    8.8.8.8:53
    Request
    ow5dirasuek.com
    IN A
    Response
    ow5dirasuek.com
    IN A
    52.34.198.229
  • flag-us
    GET
    http://ow5dirasuek.com/958/25.html
    omsecor.exe
    Remote address:
    52.34.198.229:80
    Request
    GET /958/25.html HTTP/1.1
    From: 133788335003146207
    Via: bjledplYpdq;6+3]^mc`;4Yn`m_l8//+./.0]jq<10/,\j`w<]/d\_b3de17b2271d32`4,3e,.54ad^.
    Host: ow5dirasuek.com
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Server: nginx
    Date: Mon, 16 Dec 2024 14:39:39 GMT
    Content-Type: text/html
    Transfer-Encoding: chunked
    Connection: close
    Set-Cookie: btst=29490b0cba252ef7062081111d89104d|181.215.176.83|1734359979|1734359979|0|1|0; path=/; domain=.ow5dirasuek.com; Expires=Thu, 15 Apr 2027 00:00:00 GMT; HttpOnly; SameSite=Lax;
    Set-Cookie: snkz=181.215.176.83; path=/; Expires=Thu, 15 Apr 2027 00:00:00 GMT
  • flag-us
    DNS
    229.198.34.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    229.198.34.52.in-addr.arpa
    IN PTR
    Response
    229.198.34.52.in-addr.arpa
    IN PTR
    ec2-52-34-198-229 us-west-2compute amazonawscom
  • flag-us
    DNS
    30.243.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    30.243.111.52.in-addr.arpa
    IN PTR
    Response
  • 193.166.255.171:80
    lousta.net
    omsecor.exe
    260 B
    5
  • 193.166.255.171:80
    lousta.net
    omsecor.exe
    260 B
    5
  • 3.33.243.145:80
    http://mkkuei4kdsz.com/124/342.html
    http
    omsecor.exe
    467 B
    388 B
    6
    4

    HTTP Request

    GET http://mkkuei4kdsz.com/124/342.html

    HTTP Response

    200
  • 52.34.198.229:80
    http://ow5dirasuek.com/958/25.html
    http
    omsecor.exe
    466 B
    631 B
    6
    5

    HTTP Request

    GET http://ow5dirasuek.com/958/25.html

    HTTP Response

    200
  • 193.166.255.171:80
    lousta.net
    omsecor.exe
    260 B
    5
  • 193.166.255.171:80
    lousta.net
    omsecor.exe
    52 B
    1
  • 8.8.8.8:53
    lousta.net
    dns
    omsecor.exe
    56 B
    72 B
    1
    1

    DNS Request

    lousta.net

    DNS Response

    193.166.255.171

  • 8.8.8.8:53
    180.129.81.91.in-addr.arpa
    dns
    72 B
    147 B
    1
    1

    DNS Request

    180.129.81.91.in-addr.arpa

  • 8.8.8.8:53
    58.55.71.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    58.55.71.13.in-addr.arpa

  • 8.8.8.8:53
    64.159.190.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    64.159.190.20.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
    144 B
    1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    209.205.72.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    209.205.72.20.in-addr.arpa

  • 8.8.8.8:53
    149.220.183.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    149.220.183.52.in-addr.arpa

  • 8.8.8.8:53
    200.163.202.172.in-addr.arpa
    dns
    74 B
    160 B
    1
    1

    DNS Request

    200.163.202.172.in-addr.arpa

  • 8.8.8.8:53
    18.31.95.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    18.31.95.13.in-addr.arpa

  • 8.8.8.8:53
    86.49.80.91.in-addr.arpa
    dns
    70 B
    145 B
    1
    1

    DNS Request

    86.49.80.91.in-addr.arpa

  • 8.8.8.8:53
    mkkuei4kdsz.com
    dns
    omsecor.exe
    244 B
    186 B
    4
    2

    DNS Request

    mkkuei4kdsz.com

    DNS Request

    mkkuei4kdsz.com

    DNS Request

    mkkuei4kdsz.com

    DNS Request

    mkkuei4kdsz.com

    DNS Response

    3.33.243.145
    15.197.204.56

    DNS Response

    15.197.204.56
    3.33.243.145

  • 8.8.8.8:53
    172.214.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.214.232.199.in-addr.arpa

  • 8.8.8.8:53
    145.243.33.3.in-addr.arpa
    dns
    71 B
    127 B
    1
    1

    DNS Request

    145.243.33.3.in-addr.arpa

  • 8.8.8.8:53
    ow5dirasuek.com
    dns
    omsecor.exe
    61 B
    77 B
    1
    1

    DNS Request

    ow5dirasuek.com

    DNS Response

    52.34.198.229

  • 8.8.8.8:53
    229.198.34.52.in-addr.arpa
    dns
    72 B
    135 B
    1
    1

    DNS Request

    229.198.34.52.in-addr.arpa

  • 8.8.8.8:53
    30.243.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    30.243.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\omsecor.exe

    Filesize

    80KB

    MD5

    2d8d032e0998e05d22cd3169f038df3e

    SHA1

    cd711b88cd912a38a06c4beceee48197466e6857

    SHA256

    befe26bc33174f62838212a2e8426c1011e6a5201bd8461e88ec34ce9ec411fc

    SHA512

    71ec4997b1f3ec4aa9ce27a825459387a25a2ddc44ce5e187018de6602fe6112852888a77fa48761ff788b7a0d083f56849385811964a16a16be08ba6bf00eb1

  • C:\Users\Admin\AppData\Roaming\omsecor.exe

    Filesize

    80KB

    MD5

    fba539758a5097a451b8267e94064134

    SHA1

    f24b0327bf471d5dc41cff9039663f65428e2517

    SHA256

    bc5e5e18a5c1cbe27e73fd10303fd5c06b9e52f95f364787305aa9a394308d84

    SHA512

    4e70d2018e1d8b4b72eb82062c23b09086b027940ee1447870ff558e94438946090f0ac8b6cf402deabab4e2f0be88efa4d71b5f6fdb9ec3df09d3e61529d35a

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    80KB

    MD5

    a1b6aac5bb7c4ec9216a35d7dd5dcdc4

    SHA1

    df1a49b3c4b29a1350362b3b6051e94275ed6e53

    SHA256

    96d789b1c48db1810aa04c1cb71330d307e99e280e5717f806b970c1683b2bc4

    SHA512

    2a307392dbd14543dd705a17b7c023f59e41bf26a9abafb60ef34e3adbf5fa89572004ce4c17538769920f1119c4de9885b87a46444199945c462464d0e72c65

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