Overview

overview

10

Static

static

3

107be38151...8a.exe

windows7-x64

10

107be38151...8a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2023 15:50

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General

  • Target

    107be38151fe29fe880e1144d12490989807d1d0aa66dd42985083daccbeb98a.exe

  • Size

    366KB

  • MD5

    ef25026e56b89fcad235facd7884ea7f

  • SHA1

    34173b24c1f78ec7d20f721d521e892c30b4e6f3

  • SHA256

    107be38151fe29fe880e1144d12490989807d1d0aa66dd42985083daccbeb98a

  • SHA512

    38c3f8eb7daf777c7df29e2d15b5bb02e37b4f148925398622a4cd31440235a1a7785683e3f39a745383be368e447be87686c6e823eba15e0f996524716381de

  • SSDEEP

    3072:fQE0GNP7Li40LFiq1TFfyihUlFKxHWde2Is77Upv/dxhQfmaw9rLcAYVoe431cQ:Imnx0LFJ1Bz1HSIJz1DYVoeYc

Score
10/10
cobaltstrike100000000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://38.180.74.136:8999/jquery-3.3.2.slim.min.js

Attributes
  • user_agent

    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko

Extracted

Family

cobaltstrike

Botnet

100000000

C2

http://38.180.74.136:8999/jquery-3.3.1.min.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    38.180.74.136,/jquery-3.3.1.min.js

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • polling_time

    45000

  • port_number

    8999

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCvJCtIJYViz7674pAVv3KwQKEQhUdLkOBykZqsLhQLKC5E2XcjIuFUZwtMMvKkZci1LaoA9lxzV7FxuoBafH06M30XaJoG+TIj6jOZtRVRcnZkZbI/LNOPGix/28XEK/GHgSxWOTQXC65sV/uIyH79X7Q9TelKVnc/bJH/Q0mYfwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4.234810624e+09

  • unknown2

    AAAABAAAAAEAAAXyAAAAAgAAAFQAAAACAAAPWwAAAA0AAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /jquery-3.3.2.min.js

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko

  • watermark

    100000000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\107be38151fe29fe880e1144d12490989807d1d0aa66dd42985083daccbeb98a.exe
      "C:\Users\Admin\AppData\Local\Temp\107be38151fe29fe880e1144d12490989807d1d0aa66dd42985083daccbeb98a.exe"
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1812

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab3DEC.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\Tar4907.tmp
    Filesize

    125KB

    MD5

    e57b5cb54f9a262359b05895ecba9a6a

    SHA1

    74fb771f7ff071601ec5b44fa3eec60a5375e5f8

    SHA256

    01224e4d54a0d127cbcac6e3832bc02e89992b7128f1f0828f9a425f1913854b

    SHA512

    9a7c73bbbc3d33b7b6aa2ef13723ff2111826632d6a6ba67b067420d74febe7e21dd8e9528751c20ec780044d549c72ebe1b3dc4e9b9875be49339d878b51297

    Download Submit
  • memory/1288-0-0x0000000002600000-0x0000000002601000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1288-1-0x0000000002600000-0x0000000002601000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1288-18-0x0000000009070000-0x00000000094E2000-memory.dmp
    Filesize

    4.4MB

    Download
  • memory/1288-19-0x0000000008C70000-0x0000000009070000-memory.dmp
    Filesize

    4.0MB

    Download
  • memory/1288-38-0x0000000008C70000-0x0000000009070000-memory.dmp
    Filesize

    4.0MB

    Download