Analysis

  • max time kernel
    167s
  • max time network
    186s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    10-11-2021 14:50

General

  • Target

    a1dad4a83d843acffbf293c0979951255abd9be4524d5a46c2fd48942a8a47c4.exe

  • Size

    4MB

  • MD5

    bfc2137972c74edea0f9791b94486e9b

  • SHA1

    fd72e52406ce3f2ae5cfdb5dd8c7243f3ce31eb3

  • SHA256

    a1dad4a83d843acffbf293c0979951255abd9be4524d5a46c2fd48942a8a47c4

  • SHA512

    9fcd3756f9888e2000b94caf0d803087497b87428c0bd641901d2e416411bc698d9ca3a7a00d3cd711b681f3c8b8921f2a478f0ec1f975bc36fde5cf16741e75

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.hbgents.top/

http://www.rsnzhy.com/

http://www.efxety.top/

Extracted

Family

redline

Botnet

media18

C2

91.121.67.60:2151

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.

  • RedLine

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

  • RedLine Payload ⋅ 5 IoCs
  • 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 ClipBanker Variant Activity (POST)

    suricata: ET MALWARE ClipBanker Variant Activity (POST)

  • 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

  • Blocklisted process makes network request ⋅ 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE ⋅ 25 IoCs
  • Checks computer location settings ⋅ 2 TTPs 1 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.

  • Legitimate hosting services abused for malware hosting/C2 ⋅ 1 TTPs
  • Looks up external IP address via web service ⋅ 5 IoCs

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

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Drops file in System32 directory ⋅ 11 IoCs
  • Suspicious use of SetThreadContext ⋅ 3 IoCs
  • Enumerates physical storage devices ⋅ 1 TTPs

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

  • Program crash ⋅ 4 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