Overview

overview

10

Static

static

7

e17a4da4c3...9d.exe

windows7-x64

10

e17a4da4c3...9d.exe

windows10-2004-x64

Sharing

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General

  • Target

    e17a4da4c31597d1a9c4f726e6c61669ac7857acfc522c9606d461e446b3ac9d

  • Size

    3.4MB

  • Sample

    231020-xetwtahb94

  • MD5

    17cba0ae14904237eae5c71795ce714b

  • SHA1

    2daddd685cf0e10cce4d78d616f29fe9e13e9cfe

  • SHA256

    e17a4da4c31597d1a9c4f726e6c61669ac7857acfc522c9606d461e446b3ac9d

  • SHA512

    9e75846cd49a50aec03493a460233c328675f321e54d605c7e06f7ee272ed82bf5c2802410a333b01a377df7a7be9bee62e0592e5799e58ee519a60dec43c25e

  • SSDEEP

    49152:S9V98g9HGGkaNEJ5f4C6TqYeXv5Zd4F1/reMp0dYA2DlfQdSgmJMlsLFULPfqM+w:S97PGCa4CuExXruH3xQd7PO0qEj

Score
10/10
cobaltstrike100000backdoorevasionthemidatrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://192.168.1.11:80/owa/

Attributes
  • access_type

    512

  • host

    192.168.1.11,/owa/

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    GET

  • polling_time

    10000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTGlQVYEKx+zEx/XlvnRZHkR4XgeWa6eMBAUG9gpgqOd0Gz2Szgc0nTBqfh75B1qHdxHyaFiW6FM/VOzDCKUEb2XKVeExuPT3bEfDMjZgkGv9ixXhUb5Hp4TmSgoRNVh4AOqLC/tiYMnSmwhGcEh0507I0n+pH/IWD8ZceZbcDQwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.448416512e+09

  • unknown2

    AAAABAAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    1.610612736e+09

  • uri

    /OWA/

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.2; InfoPath.3)

  • watermark

    100000

Targets

    • Target

      e17a4da4c31597d1a9c4f726e6c61669ac7857acfc522c9606d461e446b3ac9d

    • Size

      3.4MB

    • MD5

      17cba0ae14904237eae5c71795ce714b

    • SHA1

      2daddd685cf0e10cce4d78d616f29fe9e13e9cfe

    • SHA256

      e17a4da4c31597d1a9c4f726e6c61669ac7857acfc522c9606d461e446b3ac9d

    • SHA512

      9e75846cd49a50aec03493a460233c328675f321e54d605c7e06f7ee272ed82bf5c2802410a333b01a377df7a7be9bee62e0592e5799e58ee519a60dec43c25e

    • SSDEEP

      49152:S9V98g9HGGkaNEJ5f4C6TqYeXv5Zd4F1/reMp0dYA2DlfQdSgmJMlsLFULPfqM+w:S97PGCa4CuExXruH3xQd7PO0qEj

    Score
    10/10
    cobaltstrike100000backdoorevasionthemidatrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks