Overview

overview

10

Static

static

8

6277ca11e8...53.exe

windows7-x64

8

6277ca11e8...53.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6277ca11e8fa7d6cd07ae3dac8c76afadfc16ea4ad23546018dcdf3904ce4953

  • Size

    1.5MB

  • Sample

    220725-lxbbmscafq

  • MD5

    951ab6e8be35c4812bd1374b9e45933c

  • SHA1

    9d4b39a0404c959e07accda8c8c3c5fb9dd1b0ae

  • SHA256

    6277ca11e8fa7d6cd07ae3dac8c76afadfc16ea4ad23546018dcdf3904ce4953

  • SHA512

    b0fe39f690a4433bc4b6ed37096ff133a421441e721b81b59d9966455654ba503301320b7f9a34edaf191de408082aa3d54ab5e2d79f7708f14065e0c0fa51df

Score
10/10
cobaltstrike0backdoorsuricatatrojanupx

Malware Config

Extracted

Family

cobaltstrike

C2

http://service-k6z1uk8b-1307545782.sh.apigw.tencentcs.com:443/bootstrap-2.min.js

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Targets

    • Target

      6277ca11e8fa7d6cd07ae3dac8c76afadfc16ea4ad23546018dcdf3904ce4953

    • Size

      1.5MB

    • MD5

      951ab6e8be35c4812bd1374b9e45933c

    • SHA1

      9d4b39a0404c959e07accda8c8c3c5fb9dd1b0ae

    • SHA256

      6277ca11e8fa7d6cd07ae3dac8c76afadfc16ea4ad23546018dcdf3904ce4953

    • SHA512

      b0fe39f690a4433bc4b6ed37096ff133a421441e721b81b59d9966455654ba503301320b7f9a34edaf191de408082aa3d54ab5e2d79f7708f14065e0c0fa51df

    Score
    10/10
    upxcobaltstrike0backdoorsuricatatrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • suricata: ET MALWARE Successful Cobalt Strike Shellcode Download (x64) M1

      suricata: ET MALWARE Successful Cobalt Strike Shellcode Download (x64) M1

      suricata

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

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

Tasks