Overview

overview

10

Static

static

3

8fdcd195bd...54.exe

windows7-x64

10

8fdcd195bd...54.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8fdcd195bd829919ba267cb650ddb750fb3ffe30d783f21fea25c3fcccf30154

  • Size

    2.5MB

  • Sample

    240524-m11ldaee67

  • MD5

    6bfaa5a65025c9762dbd759cf92272bb

  • SHA1

    1e738b9ba88d27e5a991691c5a60555f2e4af4cc

  • SHA256

    8fdcd195bd829919ba267cb650ddb750fb3ffe30d783f21fea25c3fcccf30154

  • SHA512

    f8716ff11bc66c00c7ab472920d1912988c7f846e9e62206198262a243fcda2a0c2cc1542d664e00ff8857d1303a7ba3fb3b15366027ed0b3f62be9e5f9fc351

  • SSDEEP

    49152:nGkfskurb/ThvO90d7HjmAFd4A64nsfJHJWYSrvauegRRYszTz19+tee2owSdGxz:p3WzOYho7fK

Score
10/10
cobaltstrike100000000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000000

C2

http://ns.chinare.cf:53/poll

Attributes
  • access_type

    512

  • beacon_type

    256

  • dns_idle

    1.920103026e+09

  • host

    ns.chinare.cf,/poll

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    1000

  • port_number

    53

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqzEJfhNRDTUWc4OFw6QgWMCgtZpCzf+4+RQGYwL9gNHEC7Oh+6fCB3hnfVWpvxm96OVnB0eWJt6P1aNkZxVZ+u6PuqrBRm+Ad5gbjYgujotq7rM44FsmQaZAp8fORER8oRJjuMN1AxEzkj0VjMXZ8LwkT+0lyLqjjmBsdJBcCWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    2.102727936e+09

  • watermark

    100000000

Targets

    • Target

      8fdcd195bd829919ba267cb650ddb750fb3ffe30d783f21fea25c3fcccf30154

    • Size

      2.5MB

    • MD5

      6bfaa5a65025c9762dbd759cf92272bb

    • SHA1

      1e738b9ba88d27e5a991691c5a60555f2e4af4cc

    • SHA256

      8fdcd195bd829919ba267cb650ddb750fb3ffe30d783f21fea25c3fcccf30154

    • SHA512

      f8716ff11bc66c00c7ab472920d1912988c7f846e9e62206198262a243fcda2a0c2cc1542d664e00ff8857d1303a7ba3fb3b15366027ed0b3f62be9e5f9fc351

    • SSDEEP

      49152:nGkfskurb/ThvO90d7HjmAFd4A64nsfJHJWYSrvauegRRYszTz19+tee2owSdGxz:p3WzOYho7fK

    Score
    10/10
    cobaltstrike100000000backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Checks computer location settings

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks