General

  • Target

    3f0b5c37d09d93f2b3f2226b34b71d8c32581d17ed761c56fa96146f9bcd9927

  • Size

    2.7MB

  • Sample

    220822-l3b55ahbh4

  • MD5

    10a6d0e4221cd751292a89659979f6b7

  • SHA1

    55d9095ed66b636633125f7dc7253343109784d4

  • SHA256

    3f0b5c37d09d93f2b3f2226b34b71d8c32581d17ed761c56fa96146f9bcd9927

  • SHA512

    002f4865517aeb942b9373cc3d6831da8fec193a3ad09ed1b77962ff2d3b791b96efa1ff3c2840641e6d099454c3b502d208634fc0deb1d494f026f36f4a9f40

  • SSDEEP

    49152:tcMmFCLGf7XKzf8b1+/mIUc3oNBOBlQGU:2Mmzmkc8

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://43.142.80.49:443/search

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    43.142.80.49,/search

  • http_header1

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAA4Q29va2llOiBEVVA9UT1HcE8xbkpwTW5hbTRVbGxFZm1lTWRnMiZUPTI4Mzc2NzA4OCZBPTEmSUcAAAAKAAAAJlJlZmVyZXI6IGh0dHBzOi8vd3d3LmNsb3VkLnRlbmNlbnQuY29tAAAABwAAAAAAAAADAAAAAgAAAApTRVNTSU9OSUQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAA4Q29va2llOiBEVVA9UT1HcE8xbkpwTW5hbTRVbGxFZm1lTWRnMiZUPTI4Mzc2NzA4OCZBPTEmSUcAAAAHAAAAAAAAAAMAAAACAAAACUpTRVNTSU9OPQAAAAYAAAAGQ29va2llAAAABwAAAAEAAAADAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    2560

  • maxdns

    255

  • polling_time

    5000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTUlJ7J79z/MkkV8+MsYlOvREE2hhdGNzrKPFZ10lY0K5legA+um5JxESEaC0woDgSmOGrkh1giz/aQwd6tG4mihFgpi0oIbfwu6XZbE6ghYGyu2F7+A5TifRUzvU0YLXjK78EW12XhjHx4KopMF/AtOAueGwfiI2DmXwNzrBDvwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.82554112e+09

  • unknown2

    AAAABAAAAAEAAANBAAAAAgAAAqMAAAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /switch

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

  • watermark

    305419896

Targets

    • Target

      3f0b5c37d09d93f2b3f2226b34b71d8c32581d17ed761c56fa96146f9bcd9927

    • Size

      2.7MB

    • MD5

      10a6d0e4221cd751292a89659979f6b7

    • SHA1

      55d9095ed66b636633125f7dc7253343109784d4

    • SHA256

      3f0b5c37d09d93f2b3f2226b34b71d8c32581d17ed761c56fa96146f9bcd9927

    • SHA512

      002f4865517aeb942b9373cc3d6831da8fec193a3ad09ed1b77962ff2d3b791b96efa1ff3c2840641e6d099454c3b502d208634fc0deb1d494f026f36f4a9f40

    • SSDEEP

      49152:tcMmFCLGf7XKzf8b1+/mIUc3oNBOBlQGU:2Mmzmkc8

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Tasks