Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    04-07-2022 06:37

General

  • Target

    a.exe

  • Size

    582KB

  • MD5

    9e2c51bf73faf49d7bac7000d8212fea

  • SHA1

    2626c3ddcf66211658af796d81303008701a5134

  • SHA256

    6818881fa2f414dd471e2bbbd5d0321c94e66089737a603f6dc55d6f38b2f487

  • SHA512

    9fc7ca40140562c7632a3b963d1853564cb35b20e1134c3f9cd449a3282db14c3c1affa307ef4c192899d6256652b3e7da93b633b68a89293a3cd403bdfc3023

Malware Config

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response

    suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response

  • Modifies system certificate store 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a.exe
    "C:\Users\Admin\AppData\Local\Temp\a.exe"
    1⤵
    • Modifies system certificate store
    PID:1668

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1668-54-0x00000000002F0000-0x0000000000331000-memory.dmp
    Filesize

    260KB

  • memory/1668-55-0x0000000000340000-0x000000000038F000-memory.dmp
    Filesize

    316KB

  • memory/1668-56-0x000007FEFC111000-0x000007FEFC113000-memory.dmp
    Filesize

    8KB

  • memory/1668-57-0x0000000000340000-0x000000000038F000-memory.dmp
    Filesize

    316KB