General

  • Target

    20917d3c628efdf6c1b2989497c4748f.exe

  • Size

    199KB

  • Sample

    230220-jspmcsaa97

  • MD5

    20917d3c628efdf6c1b2989497c4748f

  • SHA1

    132444e84ff81b124dcdbeb7c49cd795a06630cc

  • SHA256

    80b32995562218ec4f0a67742f2f52e4222d8f00b057470e1d34bc0cd3d3dac8

  • SHA512

    85f3b9e6a840997094c5d9a9cad24b9aa0a506d2bd82e3b7469870d90223a3925a21638266d2544538929c54ac3080eb9c3f6c35a226dee92ef5ae1dc07abf64

  • SSDEEP

    3072:CXEgPEOvVLD1fK7P4UMsoS+wGMECOCPznT8HdScJkY/K/QwXLz/tBS:CHEOvVLY7PzT/+CrOdScJkYOP3b

Malware Config

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

      20917d3c628efdf6c1b2989497c4748f.exe

    • Size

      199KB

    • MD5

      20917d3c628efdf6c1b2989497c4748f

    • SHA1

      132444e84ff81b124dcdbeb7c49cd795a06630cc

    • SHA256

      80b32995562218ec4f0a67742f2f52e4222d8f00b057470e1d34bc0cd3d3dac8

    • SHA512

      85f3b9e6a840997094c5d9a9cad24b9aa0a506d2bd82e3b7469870d90223a3925a21638266d2544538929c54ac3080eb9c3f6c35a226dee92ef5ae1dc07abf64

    • SSDEEP

      3072:CXEgPEOvVLD1fK7P4UMsoS+wGMECOCPznT8HdScJkY/K/QwXLz/tBS:CHEOvVLY7PzT/+CrOdScJkYOP3b

    • Detect rhadamanthys stealer shellcode

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Laplas Clipper

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

    • Modifies security service

    • Process spawned unexpected child process

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

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • 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 Microsoft Outlook profiles

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

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

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks