General

  • Target

    BD842D2F03FDFBED6725D55BEE22A568C303557945005.exe

  • Size

    5MB

  • Sample

    220423-dzrgmsecdp

  • MD5

    54fc82a9b31afeda471d20272833cdc8

  • SHA1

    db9cc826375b8f05457d94af761c9e59cea5b094

  • SHA256

    bd842d2f03fdfbed6725d55bee22a568c30355794500528fe820b851fa5d5c94

  • SHA512

    72fd2f092216de7984f0631b64eae49a9f364ef392eb0a5a9ac2aa4bfb2ee06ab303062b103177981de86bf8784dc493915169bc72e0a9fbcf18fb0e3534da79

Malware Config

Targets

    • Target

      BD842D2F03FDFBED6725D55BEE22A568C303557945005.exe

    • Size

      5MB

    • MD5

      54fc82a9b31afeda471d20272833cdc8

    • SHA1

      db9cc826375b8f05457d94af761c9e59cea5b094

    • SHA256

      bd842d2f03fdfbed6725d55bee22a568c30355794500528fe820b851fa5d5c94

    • SHA512

      72fd2f092216de7984f0631b64eae49a9f364ef392eb0a5a9ac2aa4bfb2ee06ab303062b103177981de86bf8784dc493915169bc72e0a9fbcf18fb0e3534da79

    • FFDroider

      Stealer targeting social media platform users first seen in April 2022.

    • FFDroider Payload

    • Process spawned unexpected child process

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE Win32/FFDroider CnC Activity

      suricata: ET MALWARE Win32/FFDroider CnC Activity

    • suricata: ET MALWARE Win32/FFDroider CnC Activity M2

      suricata: ET MALWARE Win32/FFDroider CnC Activity M2

    • Executes dropped EXE

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks