Analysis

  • max time kernel
    159s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    10-11-2021 14:50

General

  • Target

    578a3a7a2b73a5c5f4a0485db0980b9acfa89b8e44690e799272d5cfb0237ab3.exe

  • Size

    4MB

  • MD5

    4f85f62146d5148f290ff107d4380941

  • SHA1

    5c513bcc232f36d97c2e893d1c763f3cbbf554ff

  • SHA256

    578a3a7a2b73a5c5f4a0485db0980b9acfa89b8e44690e799272d5cfb0237ab3

  • SHA512

    bc4ae4f7101b20ab649ea2a44d5da42875af5068c33c1772960c342cc8731bddfdabd721fb31a49523ea957615252d567a00346035bddacfa58cf97853587594

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.hbgents.top/

http://www.rsnzhy.com/

http://www.efxety.top/

Extracted

Family

raccoon

Botnet

2f2ad1a1aa093c5a9d17040c8efd5650a99640b5

Attributes
url4cnc
http://telegatt.top/oh12manymarty
http://telegka.top/oh12manymarty
http://telegin.top/oh12manymarty
https://t.me/oh12manymarty
rc4.plain
rc4.plain

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings ⋅ 3 TTPs
  • Process spawned unexpected child process ⋅ 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars Payload ⋅ 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess ⋅ 1 IoCs
  • suricata: ET MALWARE GCleaner Downloader Activity M5

    suricata: ET MALWARE GCleaner Downloader Activity M5

  • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

  • ASPack v2.12-2.42 ⋅ 6 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE ⋅ 22 IoCs
  • Checks computer location settings ⋅ 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL ⋅ 64 IoCs
  • Reads user/profile data of web browsers ⋅ 2 TTPs

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

  • Looks up external IP address via web service ⋅ 6 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory ⋅ 3 IoCs
  • Suspicious use of SetThreadContext ⋅ 1 IoCs
  • Enumerates physical storage devices ⋅ 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash ⋅ 2 IoCs
  • Checks SCSI registry key(s) ⋅ 3 TTPs 3 IoCs

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

  • Checks processor information in registry ⋅ 2 TTPs 2 IoCs

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

  • Kills process with taskkill ⋅ 2 IoCs
  • Modifies data under HKEY_USERS ⋅ 64 IoCs
  • Modifies registry class ⋅ 16 IoCs