General

  • Target

    file.exe

  • Size

    184KB

  • Sample

    230217-tgryfsff9t

  • MD5

    d579f62c108aadb9362749a97b834e64

  • SHA1

    ccb9a032d4a61fd9b3145189a51ec34176776bdf

  • SHA256

    8da61969c3c88bf9025e82604dee8cc104316414affdd91014bc5854633b26cd

  • SHA512

    7f232c52130e13b48a744df43125a3ce37f577fc75c6f3795a01ffdf2fb23e553a9810fdf498b196f679b3829060db93623d674b6eee31bc06629756d714b8bf

  • SSDEEP

    3072:MOydQClFLmVyYAUTV3UvsEIOiN751NgnflCupS8SupG8Vlmazp7r:aflUrLTFA5M9YnflfpS8S2C4d

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

1001

C2

https://checklist.skype.com

http://176.10.125.84

http://91.242.219.235

http://79.132.130.73

http://176.10.119.209

http://194.76.225.88

http://79.132.134.158

Attributes
  • base_path

    /microsoft/

  • build

    250256

  • exe_type

    loader

  • extension

    .acx

  • server_id

    50

rsa_pubkey.plain
aes.plain

Extracted

Family

djvu

C2

http://jiqaz.com/lancer/get.php

Attributes
  • extension

    .hhoo

  • offline_id

    dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://jiqaz.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes
  • profile_id

    19

Extracted

Family

laplas

C2

http://45.159.189.105

Attributes
  • api_key

    ad75d4e2e9636ca662a337b6e798d36159f23acfc89bbe9400d0d451bd8d69fd

Targets

    • Target

      file.exe

    • Size

      184KB

    • MD5

      d579f62c108aadb9362749a97b834e64

    • SHA1

      ccb9a032d4a61fd9b3145189a51ec34176776bdf

    • SHA256

      8da61969c3c88bf9025e82604dee8cc104316414affdd91014bc5854633b26cd

    • SHA512

      7f232c52130e13b48a744df43125a3ce37f577fc75c6f3795a01ffdf2fb23e553a9810fdf498b196f679b3829060db93623d674b6eee31bc06629756d714b8bf

    • SSDEEP

      3072:MOydQClFLmVyYAUTV3UvsEIOiN751NgnflCupS8SupG8Vlmazp7r:aflUrLTFA5M9YnflfpS8S2C4d

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Gozi

      Gozi is a well-known and widely distributed banking trojan.

    • Laplas Clipper

      Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

    • Process spawned unexpected child process

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Impact

Service Stop

1
T1489

Tasks