Overview

overview

10

Static

static

1

e019fc4655...04.exe

windows7-x64

7

e019fc4655...04.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e019fc4655c07cc65a0e333eb7685a0b37a8a2513c93632c52473584681c0604

  • Size

    6.1MB

  • Sample

    240217-x9hf9sab8t

  • MD5

    a5975a2be60dba4c3b4379748c8395df

  • SHA1

    d7c3eadee9feb4fb419826a9e664f2bc2c68dcbc

  • SHA256

    e019fc4655c07cc65a0e333eb7685a0b37a8a2513c93632c52473584681c0604

  • SHA512

    2a7feec187aa119d1adfc8a6db467e955febe1324f3c0f46656c1804e21c0af1bc283db15ac172d05b9a2178c078ba62288fbb783a0b20c49f6d1b046843acc9

  • SSDEEP

    196608:yD1qTulzVzGcsRIo6m1Yz2y3+0ZiBu2BbiIMQI0G/:Nu//9o6M42a+0ZmxLMQu

Score
10/10
cobaltstrike0100000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://154.9.255.31:6666/vSFN

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; qdesk 2.4.1263.203; Windows NT 6.1; WOW64; Trident/5.0)

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://154.9.255.31:6666/pixel.gif

Attributes
  • access_type

    512

  • host

    154.9.255.31,/pixel.gif

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    6666

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDK3rLzrZjUM9JHGk+MkyiweizMh1UN5SghOUGMem0V661GlZU3VFjgj0GjDCZ7n7BB/ZxZlZW3+AyFk84CWktpKLetpsqUQfwVZXXybglwzxC6dgLck3I5vbXIPgyQwgUBW57GNmFiabvB1aCn90NMXnSeNSQypauXKIbsXCYtEwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/5.0 (compatible; MSIE 9.0; Windows Phone OS 7.5; Trident/5.0; IEMobile/9.0; LG; LG-E906)

  • watermark

    100000

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Targets

    • Target

      e019fc4655c07cc65a0e333eb7685a0b37a8a2513c93632c52473584681c0604

    • Size

      6.1MB

    • MD5

      a5975a2be60dba4c3b4379748c8395df

    • SHA1

      d7c3eadee9feb4fb419826a9e664f2bc2c68dcbc

    • SHA256

      e019fc4655c07cc65a0e333eb7685a0b37a8a2513c93632c52473584681c0604

    • SHA512

      2a7feec187aa119d1adfc8a6db467e955febe1324f3c0f46656c1804e21c0af1bc283db15ac172d05b9a2178c078ba62288fbb783a0b20c49f6d1b046843acc9

    • SSDEEP

      196608:yD1qTulzVzGcsRIo6m1Yz2y3+0ZiBu2BbiIMQI0G/:Nu//9o6M42a+0ZmxLMQu

    Score
    10/10
    cobaltstrike0100000backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks