Overview

overview

10

Static

static

3

dfe1914c55...27.exe

windows7-x64

10

dfe1914c55...27.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    dfe1914c551e8542e55e7707ea1badd058ac6df4d57636649bd714aaa832ee27

  • Size

    360KB

  • Sample

    240131-s1lp4shbfn

  • MD5

    3d838159fdfcb5c26cec948f8687a0d1

  • SHA1

    a4d569ebe607a080378401452f3b5855394bd791

  • SHA256

    dfe1914c551e8542e55e7707ea1badd058ac6df4d57636649bd714aaa832ee27

  • SHA512

    db35a78f4e5ef9429850a97c65c60a3d1b0db6feea150b2b49a21071e5c2840c2ed79d9deeaffe8ad4cda15bb6d518c4d4387f447b1cc24bbd62fe96394dd219

  • SSDEEP

    6144:a8v9b3uzTMu3PJFrafXjiLQhdYTitPuIjMsUVPbrnjPKohULB9OT:a8vpKTMu3z+fXQQhOT7IjEXmoWN9

Score
10/10
cobaltstrike100000backdoorpersistencetrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://update.microsoftwindows.biz:8443/api/2

Attributes
  • user_agent

    Host: update.microsoftwindows.biz User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://update.microsoftwindows.biz:8443/api/3

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    update.microsoftwindows.biz,/api/3

  • http_header1

    AAAAEAAAACFIb3N0OiB1cGRhdGUubWljcm9zb2Z0d2luZG93cy5iaXoAAAAHAAAAAAAAAAMAAAAGAAAABkNvb2tpZQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAAEAAAACFIb3N0OiB1cGRhdGUubWljcm9zb2Z0d2luZG93cy5iaXoAAAAHAAAAAAAAAAwAAAAHAAAAAQAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    8443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDfOAvlVEsRCS3UC6+JcnuZD+f2HjE5TMA2p+lWq3cVWz/RlxpBh9PVCQLgrRUSEuQ6cDA0x93WPF3rCrJkOvddDcSdUx/YRhOPY1r+/A4KXMdj70vU0fO/gLFLjbZBMu7xEjopEdOtVq5+T4NFOE4BiwGtGAnGIOQ/zDt2bbahKQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /api/4

  • user_agent

    Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SV1)

  • watermark

    100000

Targets

    • Target

      dfe1914c551e8542e55e7707ea1badd058ac6df4d57636649bd714aaa832ee27

    • Size

      360KB

    • MD5

      3d838159fdfcb5c26cec948f8687a0d1

    • SHA1

      a4d569ebe607a080378401452f3b5855394bd791

    • SHA256

      dfe1914c551e8542e55e7707ea1badd058ac6df4d57636649bd714aaa832ee27

    • SHA512

      db35a78f4e5ef9429850a97c65c60a3d1b0db6feea150b2b49a21071e5c2840c2ed79d9deeaffe8ad4cda15bb6d518c4d4387f447b1cc24bbd62fe96394dd219

    • SSDEEP

      6144:a8v9b3uzTMu3PJFrafXjiLQhdYTitPuIjMsUVPbrnjPKohULB9OT:a8vpKTMu3z+fXQQhOT7IjEXmoWN9

    Score
    10/10
    cobaltstrike100000backdoorpersistencetrojan
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks