Analysis

  • max time kernel
    90s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 02:42

General

  • Target

    2545131b7880bd854f3c9148277af024.exe

  • Size

    292KB

  • MD5

    2545131b7880bd854f3c9148277af024

  • SHA1

    846cf8458ca76e9cc8092218006c0e5bb1a68e8c

  • SHA256

    e8d1a8908e063d4b824cde1d0d0bdf812ace1e50000a4accddb8b306664b4062

  • SHA512

    c7a31f69621e60c1950f48c92c1633f2bee2f36adc8b5a2627d21dacda15f70d16f50b1a2dd3e575c7453380ca3c828cda8f86dda285e174af9f9944c42aa787

  • SSDEEP

    3072:JOC+EnCeqk1oPh1MZf8EQ1DyWgi/ysf0e:EYN9oJ1MZ0JGW5rf

Malware Config

Extracted

Family

raccoon

Botnet

d6584fcd1734d77c0004e30a172dc0e0

C2

http://84.32.188.111/

http://5.252.21.28/

http://87.120.254.71

rc4.plain

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Signatures

  • Colibri Loader

    A loader sold as MaaS first seen in August 2021.

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Executes dropped EXE ⋅ 2 IoCs
  • Suspicious use of SetThreadContext ⋅ 2 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2545131b7880bd854f3c9148277af024.exe
    "C:\Users\Admin\AppData\Local\Temp\2545131b7880bd854f3c9148277af024.exe"
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:2096
    • C:\ProgramData\conhost.exe
      "C:\ProgramData\conhost.exe"
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:544
      • C:\ProgramData\conhost.exe
        "C:\ProgramData\conhost.exe"
        Executes dropped EXE
        PID:3548
    • C:\Users\Admin\AppData\Local\Temp\2545131b7880bd854f3c9148277af024.exe
      "C:\Users\Admin\AppData\Local\Temp\2545131b7880bd854f3c9148277af024.exe"
      PID:220

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

          Discovery

            Execution

              Exfiltration

                Impact

                  Initial Access

                    Lateral Movement

                      Persistence

                        Privilege Escalation

                          Replay Monitor

                          00:00 00:00

                          Downloads

                          • C:\ProgramData\conhost.exe
                            MD5

                            cdd3d44d9e64a113618961f0a4e691b9

                            SHA1

                            a762037bc50ddb7507d5ef1a20ce813ad990bb54

                            SHA256

                            dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

                            SHA512

                            55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

                          • C:\ProgramData\conhost.exe
                            MD5

                            cdd3d44d9e64a113618961f0a4e691b9

                            SHA1

                            a762037bc50ddb7507d5ef1a20ce813ad990bb54

                            SHA256

                            dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

                            SHA512

                            55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

                          • C:\ProgramData\conhost.exe
                            MD5

                            cdd3d44d9e64a113618961f0a4e691b9

                            SHA1

                            a762037bc50ddb7507d5ef1a20ce813ad990bb54

                            SHA256

                            dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

                            SHA512

                            55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

                          • memory/220-137-0x0000000000400000-0x0000000000412000-memory.dmp
                          • memory/220-136-0x0000000000000000-mapping.dmp
                          • memory/220-141-0x0000000000400000-0x0000000000412000-memory.dmp
                          • memory/220-144-0x0000000000400000-0x0000000000412000-memory.dmp
                          • memory/544-132-0x0000000000000000-mapping.dmp
                          • memory/544-135-0x0000000000BC0000-0x0000000000BC3000-memory.dmp
                          • memory/3548-140-0x0000000000400000-0x0000000000407000-memory.dmp
                          • memory/3548-139-0x0000000000000000-mapping.dmp
                          • memory/3548-143-0x0000000000400000-0x0000000000407000-memory.dmp