Resubmissions

06-07-2023 06:59

230706-hr9qgahc95 10

Analysis

  • max time kernel
    33s
  • max time network
    38s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2023 06:59

General

  • Target

    Comet Executor/Comet.exe

  • Size

    350.0MB

  • MD5

    b7fe913c365f483fc79be7d81c7445c2

  • SHA1

    23cfb242c4610f3de72521f78c8af219dac57451

  • SHA256

    72d28771d21b24cadbd362ca08e16653d13080c3551e6b1dec4f32132d7a1bee

  • SHA512

    ff7cea53e441fd56f1b36672b5338c725477b5960fb279d141f7f4c04f5750ad88c645d94b942c4f9cf007f52850b708205ec1c732aeea05a9cf1a4e070a5fb1

  • SSDEEP

    24576:rcfBkcC1amUUoLK4N8vnxQtQHEZe0EVzkLzgjcV4CKo0/fOA2tdvU/:rcfKcF9dN86/bE2AcV4Cf0OtxU

Malware Config

Extracted

Family

redline

Botnet

@dxrkl0rd

C2

91.103.252.8:29975

Attributes
  • auth_value

    9750c50e8073b21d538cfb6d993427dc

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Comet Executor\Comet.exe
    "C:\Users\Admin\AppData\Local\Temp\Comet Executor\Comet.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2092

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/856-133-0x0000000000900000-0x0000000000CD4000-memory.dmp
    Filesize

    3.8MB

  • memory/856-134-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-135-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-137-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-139-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-143-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-141-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-145-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-147-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-149-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-151-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-153-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-155-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-157-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-159-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-161-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-163-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-165-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-167-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-169-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-171-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-173-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-175-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-177-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-179-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-181-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-183-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-185-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-187-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-189-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-191-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-193-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-195-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-197-0x00000000055E0000-0x000000000564F000-memory.dmp
    Filesize

    444KB

  • memory/856-216-0x0000000005D00000-0x00000000062A4000-memory.dmp
    Filesize

    5.6MB

  • memory/856-217-0x00000000057F0000-0x0000000005882000-memory.dmp
    Filesize

    584KB

  • memory/856-218-0x0000000005740000-0x0000000005750000-memory.dmp
    Filesize

    64KB

  • memory/856-219-0x0000000005670000-0x0000000005671000-memory.dmp
    Filesize

    4KB

  • memory/2092-222-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2092-223-0x0000000005600000-0x0000000005C18000-memory.dmp
    Filesize

    6.1MB

  • memory/2092-224-0x0000000005070000-0x0000000005082000-memory.dmp
    Filesize

    72KB

  • memory/2092-225-0x00000000051A0000-0x00000000052AA000-memory.dmp
    Filesize

    1.0MB

  • memory/2092-226-0x00000000050D0000-0x000000000510C000-memory.dmp
    Filesize

    240KB

  • memory/2092-227-0x0000000005430000-0x0000000005440000-memory.dmp
    Filesize

    64KB

  • memory/2092-228-0x0000000005440000-0x00000000054A6000-memory.dmp
    Filesize

    408KB

  • memory/2092-229-0x00000000060E0000-0x0000000006156000-memory.dmp
    Filesize

    472KB

  • memory/2092-230-0x0000000006080000-0x000000000609E000-memory.dmp
    Filesize

    120KB

  • memory/2092-231-0x0000000006200000-0x0000000006250000-memory.dmp
    Filesize

    320KB

  • memory/2092-232-0x0000000006D90000-0x0000000006F52000-memory.dmp
    Filesize

    1.8MB

  • memory/2092-233-0x0000000007490000-0x00000000079BC000-memory.dmp
    Filesize

    5.2MB