General

  • Target

    d446638e0c33cac500a0ad1ffb6a864e810de514b91e1a3918fe8d6df68dbb32.exe

  • Size

    371KB

  • Sample

    221113-tr34gabf94

  • MD5

    1478f2913021fbe3d058d7b3f8deafb8

  • SHA1

    9022fdfa23e138007f4c619ac694d66c4ad9fdce

  • SHA256

    d446638e0c33cac500a0ad1ffb6a864e810de514b91e1a3918fe8d6df68dbb32

  • SHA512

    472ef1616e6a802f653bd8d331e99000a99a008ef984a67742de726f2ce5696475223625379334dcecfaa747b718d77fa31601637674ed76775a653fb9c07220

  • SSDEEP

    6144:RVW5FRdL1G2Qq+4O4uvk/FmoWXmPrTkkXwOu1ql:RVKBpG2T/jNwXmPrTkkUql

Malware Config

Extracted

Family

redline

Botnet

Google2

C2

167.235.71.14:20469

Attributes
  • auth_value

    fb274d9691235ba015830da570a13578

Targets

    • Target

      d446638e0c33cac500a0ad1ffb6a864e810de514b91e1a3918fe8d6df68dbb32.exe

    • Size

      371KB

    • MD5

      1478f2913021fbe3d058d7b3f8deafb8

    • SHA1

      9022fdfa23e138007f4c619ac694d66c4ad9fdce

    • SHA256

      d446638e0c33cac500a0ad1ffb6a864e810de514b91e1a3918fe8d6df68dbb32

    • SHA512

      472ef1616e6a802f653bd8d331e99000a99a008ef984a67742de726f2ce5696475223625379334dcecfaa747b718d77fa31601637674ed76775a653fb9c07220

    • SSDEEP

      6144:RVW5FRdL1G2Qq+4O4uvk/FmoWXmPrTkkXwOu1ql:RVKBpG2T/jNwXmPrTkkUql

    • Detects Smokeloader packer

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Possible privilege escalation attempt

    • Stops running service(s)

    • 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.

    • Modifies file permissions

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Uses the VBS compiler for execution

    • 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

    • 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.

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

Virtualization/Sandbox Evasion

1
T1497

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Scripting

1
T1064

Modify Registry

2
T1112

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks