Analysis

  • max time kernel
    150s
  • max time network
    191s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    09/08/2021, 11:33

General

  • Target
    e56fcd770011e421671e0139c91c5a1f.exe
  • Size 222KB
  • Sample210809-he4tkpzjpn
  • SHA256 5074213bdad4f70a772ff9da9ef5d64d5ebdb1b85f894c82523f75cc8dee9903
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://aucmoney.com/upload/

  • http://thegymmum.com/upload/

  • http://atvcampingtrips.com/upload/

  • http://kuapakualaman.com/upload/

  • http://renatazarazua.com/upload/

  • http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • SewPalpadin

C2
  • 185.215.113.114:8887

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e56fcd770011e421671e0139c91c5a1f.exe
    "C:\Users\Admin\AppData\Local\Temp\e56fcd770011e421671e0139c91c5a1f.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1160
  • C:\Users\Admin\AppData\Local\Temp\B5C8.exe
    C:\Users\Admin\AppData\Local\Temp\B5C8.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:836

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/836-69-0x0000000007191000-0x0000000007192000-memory.dmp

        memory/836-65-0x0000000000350000-0x000000000036B000-memory.dmp

        memory/836-66-0x0000000002E30000-0x0000000002E49000-memory.dmp

        memory/836-68-0x0000000000400000-0x0000000002C86000-memory.dmp

        memory/836-67-0x0000000000220000-0x000000000024F000-memory.dmp

        memory/836-71-0x0000000007193000-0x0000000007194000-memory.dmp

        memory/836-70-0x0000000007192000-0x0000000007193000-memory.dmp

        memory/836-72-0x0000000007194000-0x0000000007196000-memory.dmp

        memory/1160-61-0x0000000000400000-0x0000000002C6D000-memory.dmp

        memory/1160-60-0x0000000000230000-0x0000000000239000-memory.dmp

        memory/1160-59-0x0000000075551000-0x0000000075553000-memory.dmp

        memory/1264-62-0x0000000002AB0000-0x0000000002AC6000-memory.dmp