Resubmissions

04-03-2024 11:53

240304-n2lpaahf5w 10

04-03-2024 11:53

240304-n2crdaaf86 10

04-03-2024 03:09

240304-dnkvqagd5t 10

General

  • Target

    b111b18faad3cf644558f0a84ebea9b6

  • Size

    3.3MB

  • Sample

    240304-n2lpaahf5w

  • MD5

    b111b18faad3cf644558f0a84ebea9b6

  • SHA1

    0379f24a192e1819c070dca64d35b9d3fd67735c

  • SHA256

    55b8c3a1997416f5c6c04663ef6f6bd2e1712ba24162f330ee31b3ec1c6864e9

  • SHA512

    2ad6868dd61ab7683846eb5a418f826f55b18b55332b4f5bd2d9033588d0635d7cac6646df2e7e869bf7128fb7a102c75775db2b3da274fc30791dd8f15a926e

  • SSDEEP

    98304:yIerf7geeTrrowTBsgay6LVIP45iL4abjao1D4Ztc:yIerf7geerowTBj14ObjtGZtc

Malware Config

Extracted

Family

nullmixer

C2

http://watira.xyz/

Extracted

Family

ffdroider

C2

http://186.2.171.3

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Botnet

pub5

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

Targets

    • Target

      b111b18faad3cf644558f0a84ebea9b6

    • Size

      3.3MB

    • MD5

      b111b18faad3cf644558f0a84ebea9b6

    • SHA1

      0379f24a192e1819c070dca64d35b9d3fd67735c

    • SHA256

      55b8c3a1997416f5c6c04663ef6f6bd2e1712ba24162f330ee31b3ec1c6864e9

    • SHA512

      2ad6868dd61ab7683846eb5a418f826f55b18b55332b4f5bd2d9033588d0635d7cac6646df2e7e869bf7128fb7a102c75775db2b3da274fc30791dd8f15a926e

    • SSDEEP

      98304:yIerf7geeTrrowTBsgay6LVIP45iL4abjao1D4Ztc:yIerf7geerowTBj14ObjtGZtc

    • FFDroider

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

    • FFDroider payload

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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 SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks