Overview

overview

10

Static

static

3

oci.dll

windows7-x64

10

oci.dll

windows10-2004-x64

10

Sharing

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General

  • Target

    oci.zip

  • Size

    210KB

  • Sample

    231015-fax91ada9x

  • MD5

    c02a6c513f66ceabea966a8658d5d1f2

  • SHA1

    6ab97d10bc10964a4d7066feaf9a1aeea3671cd0

  • SHA256

    126de5fbab3e23ba914ee715b60df1acd7f8d7116a4ed17db09669b41b40ad81

  • SHA512

    08c81b5f5ddc38c9f9b85901ac9775880464fe1c2064313e9ae4e785db4a11c7a255c50c17ccf461c38e766eaccfdbb74586bc77354dea85d19f5eedd64bf820

  • SSDEEP

    6144:Avos1O0DMiOGeZlRHoCZkmVT0h6pmBuUJhKo8iq2FALy1kkI3dc:Aws4KMFih6hLj27I32

Score
10/10
cobaltstrike0426352781backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

426352781

C2

http://corp-sbt.company:53/zC

Attributes
  • access_type

    512

  • beacon_type

    256

  • host

    corp-sbt.company,/zC

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    60000

  • port_number

    53

  • sc_process32

    %windir%\syswow64\wbem\wmiprvse.exe -Embedding

  • sc_process64

    %windir%\sysnative\wbem\wmiprvse.exe -Embedding

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGansJ7mCLGdtVFTAJlLG5+1HWoHiw/xwZ+9hp4Qkcs3jZPJcxS35msi9EY6SfnthfKNn4EZS4At9BMSjQTA4KPmsR4mfU7VTpzsUnokI+RqG50nhmFdeM0RlSHOP/nmASEpMD3UsENV6DPrlNCvOEG5+oKAMXNpU9v3E0oRWjFQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    2.153059584e+09

  • unknown3

    1.610612736e+09

  • watermark

    426352781

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Targets

    • Target

      oci.dll

    • Size

      529KB

    • MD5

      977f2033e088034cdb05d6704969a84d

    • SHA1

      68e6bf7eccca4482133368035b21d729b72b2beb

    • SHA256

      ab50b3e2c03bddc7bb81cf7d9cd11b9abdbe1bc551a7b64e64f4e94807fc75c5

    • SHA512

      bc7f7286bf04159c14211ff7b551a8f513437dd390b5cd57e78bcdb295936bc2c02eaab4b8d6b2b1ed2facb0bc0c5d81253a4a4d265bbd913bd1136455783b8b

    • SSDEEP

      12288:OtX0V5RIbQvA8A0ag0r81Qmeh6YnocpXAFgzY:OERnC6YocpXAFgzY

    Score
    10/10
    cobaltstrike0426352781backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Tasks