General

  • Target

    1d4e32342fa8f49457db23f9c0ecccd7.exe

  • Size

    1.0MB

  • Sample

    230221-vs4xtsff69

  • MD5

    1d4e32342fa8f49457db23f9c0ecccd7

  • SHA1

    c72c4df7bcaaaba76c996410db9a9905867eb525

  • SHA256

    c4ef1228abcdda75e41654382f23ea8ad5cc63e8dd36d0050da6b75c69b3901a

  • SHA512

    a351f37fb9d8973264811194be470927352d40768f250f2df1f7065eae87ec1acd48c80952f1e749f75e49a4f361c96c1ad33f425fbb104a384f5da1c3a427b7

  • SSDEEP

    24576:uyGcvVe497p8wuzEQA0V2vbctOLFxptFIh+/+Xy:9Gcvw4lp9uz+8+bLtTIh

Malware Config

Extracted

Family

redline

C2

85.31.44.66:17742

Attributes
  • auth_value

    e9a89e5b72a729171b1655add99ee280

Extracted

Family

redline

Botnet

ronur

C2

193.233.20.20:4134

Attributes
  • auth_value

    f88f86755a528d4b25f6f3628c460965

Extracted

Family

redline

Botnet

funka

C2

193.233.20.20:4134

Attributes
  • auth_value

    cdb395608d7ec633dce3d2f0c7fb0741

Extracted

Family

amadey

Version

3.67

C2

193.233.20.15/dF30Hn4m/index.php

Extracted

Family

redline

Botnet

kk1

C2

176.113.115.17:4132

Attributes
  • auth_value

    df169d3f7f631272f7c6bd9a1bb603c3

Extracted

Family

amadey

Version

3.66

C2

62.204.41.88/9vdVVVjsw/index.php

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Extracted

Family

redline

Botnet

kk1n

C2

176.113.115.17:4132

Attributes
  • auth_value

    7cc0dba66fd38fdcaf3bf43899aeaf59

Targets

    • Target

      1d4e32342fa8f49457db23f9c0ecccd7.exe

    • Size

      1.0MB

    • MD5

      1d4e32342fa8f49457db23f9c0ecccd7

    • SHA1

      c72c4df7bcaaaba76c996410db9a9905867eb525

    • SHA256

      c4ef1228abcdda75e41654382f23ea8ad5cc63e8dd36d0050da6b75c69b3901a

    • SHA512

      a351f37fb9d8973264811194be470927352d40768f250f2df1f7065eae87ec1acd48c80952f1e749f75e49a4f361c96c1ad33f425fbb104a384f5da1c3a427b7

    • SSDEEP

      24576:uyGcvVe497p8wuzEQA0V2vbctOLFxptFIh+/+Xy:9Gcvw4lp9uz+8+bLtTIh

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect rhadamanthys stealer shellcode

    • Detects PseudoManuscrypt payload

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • PseudoManuscrypt

      PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.

    • RedLine

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

    • RedLine payload

    • Rhadamanthys

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Unexpected DNS network traffic destination

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

    • Uses the VBS compiler for execution

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Windows security modification

    • 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.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

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

Modify Registry

4
T1112

Disabling Security Tools

2
T1089

Virtualization/Sandbox Evasion

4
T1497

Scripting

1
T1064

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

10
T1012

Virtualization/Sandbox Evasion

4
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks