General

  • Target

    fe23f9d004234db94b005653c6fab845a6c5b27364265708d0b16642db44be4c

  • Size

    1.4MB

  • Sample

    230915-rylrnafd48

  • MD5

    f427c4cb7d9ca9b8bd9cba68ecb9c2bd

  • SHA1

    a7490d632123498ff4b29811ba67c67192aa23bf

  • SHA256

    fe23f9d004234db94b005653c6fab845a6c5b27364265708d0b16642db44be4c

  • SHA512

    257832ba915570b804e5ca425d3c0821d7e519f62cdb1231f18737edb85f645b0e96a3fadd06b99a0a650e7f469aaee3d12d3fe06da6c0e9bc4df067f6e87ce8

  • SSDEEP

    24576:7uaYPjhqNA1lTvn4DpZ/04BxjYHTTjTkZeuv5bj31L1cx6IM0YtsIi0:6aYdmAfvn4DpV1ETPutj3V1+YtY0

Malware Config

Extracted

Family

amadey

Version

3.89

C2

http://77.91.68.52/mac/index.php

http://77.91.68.78/help/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explonde.exe

  • strings_key

    916aae73606d7a9e02a1d3b47c199688

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

crazy

C2

77.91.124.82:19071

Attributes
  • auth_value

    ba4a10868a3fced942a9614406c7cd66

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

0305

C2

185.215.113.25:10195

Attributes
  • auth_value

    c86205ff1cc37b2da12f0190adfda52c

Targets

    • Target

      fe23f9d004234db94b005653c6fab845a6c5b27364265708d0b16642db44be4c

    • Size

      1.4MB

    • MD5

      f427c4cb7d9ca9b8bd9cba68ecb9c2bd

    • SHA1

      a7490d632123498ff4b29811ba67c67192aa23bf

    • SHA256

      fe23f9d004234db94b005653c6fab845a6c5b27364265708d0b16642db44be4c

    • SHA512

      257832ba915570b804e5ca425d3c0821d7e519f62cdb1231f18737edb85f645b0e96a3fadd06b99a0a650e7f469aaee3d12d3fe06da6c0e9bc4df067f6e87ce8

    • SSDEEP

      24576:7uaYPjhqNA1lTvn4DpZ/04BxjYHTTjTkZeuv5bj31L1cx6IM0YtsIi0:6aYdmAfvn4DpV1ETPutj3V1+YtY0

    • Amadey

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

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

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

4
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks