General

  • Target

    83b6cea6fbda752252702ee872c121bc3c6297c420c54aec1409271695806ba4

  • Size

    981KB

  • Sample

    220103-nypa1abcd9

  • MD5

    85130906f5b1c4210be52b5647a99f94

  • SHA1

    50284b46d60b57fff0339db2a55accb48bf067d0

  • SHA256

    83b6cea6fbda752252702ee872c121bc3c6297c420c54aec1409271695806ba4

  • SHA512

    357198a7bef505335753b584c68d3eb2509bc475e5962f17e670c4fd580031b629bce303bb7de1207de33ea6ff42fa337a3bb6f0bfb72a7362ba917f7f7f5c90

Malware Config

Extracted

Family

redline

C2

185.215.113.57:50723

Extracted

Family

redline

Botnet

cheat

C2

45.147.196.146:6213

Extracted

Family

raccoon

rc4.plain

Extracted

Family

raccoon

Botnet

e9f10fade0328e7cef5c9f5bf00076086ba5a8a1

Attributes
  • url4cnc

    http://91.219.236.18/baldandbankrupt1

    http://194.180.174.41/baldandbankrupt1

    http://91.219.236.148/baldandbankrupt1

    https://t.me/baldandbankrupt1

rc4.plain
rc4.plain

Targets

    • Target

      83b6cea6fbda752252702ee872c121bc3c6297c420c54aec1409271695806ba4

    • Size

      981KB

    • MD5

      85130906f5b1c4210be52b5647a99f94

    • SHA1

      50284b46d60b57fff0339db2a55accb48bf067d0

    • SHA256

      83b6cea6fbda752252702ee872c121bc3c6297c420c54aec1409271695806ba4

    • SHA512

      357198a7bef505335753b584c68d3eb2509bc475e5962f17e670c4fd580031b629bce303bb7de1207de33ea6ff42fa337a3bb6f0bfb72a7362ba917f7f7f5c90

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

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

    • RedLine Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Tasks