General

  • Target

    379a6a4f7be0d0e21a5e5b996ea8aeeb.exe

  • Size

    1.2MB

  • Sample

    220807-jcdj6aadc8

  • MD5

    379a6a4f7be0d0e21a5e5b996ea8aeeb

  • SHA1

    27df283dcb89ee72f304df89d3938239acc32439

  • SHA256

    3080f7ed1cb9ec8fbf4c0cf992bd0eb9dba5f69d0342f58ebcc8943d28c77a97

  • SHA512

    e6705fc43877d4f46052f03dbd0a17cdc5afee7b2d6eec4f944556d005a613e9b356361ad3df9cb5164925f5429109d348a4c0b90018220047f8956d9b32f4b8

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (Sup: @mr_golds)

C2

193.233.193.14:8163

Attributes
  • auth_value

    56c6f7b9024c076f0a96931453da7e56

Targets

    • Target

      379a6a4f7be0d0e21a5e5b996ea8aeeb.exe

    • Size

      1.2MB

    • MD5

      379a6a4f7be0d0e21a5e5b996ea8aeeb

    • SHA1

      27df283dcb89ee72f304df89d3938239acc32439

    • SHA256

      3080f7ed1cb9ec8fbf4c0cf992bd0eb9dba5f69d0342f58ebcc8943d28c77a97

    • SHA512

      e6705fc43877d4f46052f03dbd0a17cdc5afee7b2d6eec4f944556d005a613e9b356361ad3df9cb5164925f5429109d348a4c0b90018220047f8956d9b32f4b8

    • Modifies security service

    • RedLine

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

    • RedLine payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Modifies file permissions

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

1
T1497

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Impact

Service Stop

1
T1489

Tasks