General

  • Target

    win_setup__6216983b67e17.exe

  • Size

    6.6MB

  • Sample

    220223-zlj2asbcf2

  • MD5

    a68f2ce326a8c94411a2afa34743456b

  • SHA1

    c982d7baf15361017095c2c88ee5291fc49eae06

  • SHA256

    218e1c106eca7b0424ce2b3d51cae6a9a4510325478c37c72d2f92b8a54d12c0

  • SHA512

    de1b3c137fbad8d22734993a4c4ee19380d1cfe006fc37f031f09a2de895aca840b82c336837d9c061830abc1a011c371d531fc8e424011449aa35a85b3e604e

Malware Config

Extracted

Family

socelars

C2

https://frertge.s3.eu-west-2.amazonaws.com/asdhbf/

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

mediam10

C2

92.255.57.154:11841

Attributes
  • auth_value

    c244f3014e6aa11d9b853b0c94e0743e

Extracted

Family

icedid

Campaign

2715004312

Targets

    • Target

      win_setup__6216983b67e17.exe

    • Size

      6.6MB

    • MD5

      a68f2ce326a8c94411a2afa34743456b

    • SHA1

      c982d7baf15361017095c2c88ee5291fc49eae06

    • SHA256

      218e1c106eca7b0424ce2b3d51cae6a9a4510325478c37c72d2f92b8a54d12c0

    • SHA512

      de1b3c137fbad8d22734993a4c4ee19380d1cfe006fc37f031f09a2de895aca840b82c336837d9c061830abc1a011c371d531fc8e424011449aa35a85b3e604e

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • Process spawned unexpected child process

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

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

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

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • OnlyLogger Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

BITS Jobs

1
T1197

Defense Evasion

Modify Registry

3
T1112

BITS Jobs

1
T1197

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Software Discovery

1
T1518

Query Registry

6
T1012

System Information Discovery

8
T1082

Security Software Discovery

1
T1063

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks