General

  • Target

    e41b34391dba97a98eaf55d59c565a7ad4f279691bc9c96ae3ebadae0c28b309

  • Size

    117KB

  • Sample

    210925-cvp8caacbr

  • MD5

    dab9aebc6468946e8ce38704f33489b8

  • SHA1

    50a863e3b9eecc3e47bb9c53a733fdf88894a7b7

  • SHA256

    e41b34391dba97a98eaf55d59c565a7ad4f279691bc9c96ae3ebadae0c28b309

  • SHA512

    d3cfe6a1bf9044492fa2e8224c33a262ad3541783eb2d96c3328199c62a03773cce7ae84a192896b3031e26a85343321012703451e545ea44b327243b0198063

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

700$

C2

65.21.231.57:60751

Extracted

Family

redline

C2

178.132.3.103:80

Extracted

Family

redline

Botnet

2k superstar

C2

185.244.180.224:39957

Extracted

Family

raccoon

Botnet

d4d8e30c16491ca1c11f7aa675764335342faedf

Attributes
  • url4cnc

    https://t.me/hcdrom1

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

f6d7183c9e82d2a9b81e6c0608450aa66cefb51f

Attributes
  • url4cnc

    https://t.me/justoprostohello

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Targets

    • Target

      e41b34391dba97a98eaf55d59c565a7ad4f279691bc9c96ae3ebadae0c28b309

    • Size

      117KB

    • MD5

      dab9aebc6468946e8ce38704f33489b8

    • SHA1

      50a863e3b9eecc3e47bb9c53a733fdf88894a7b7

    • SHA256

      e41b34391dba97a98eaf55d59c565a7ad4f279691bc9c96ae3ebadae0c28b309

    • SHA512

      d3cfe6a1bf9044492fa2e8224c33a262ad3541783eb2d96c3328199c62a03773cce7ae84a192896b3031e26a85343321012703451e545ea44b327243b0198063

    • 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

    • ServHelper

      ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

      suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

      suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    • xmrig

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

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Sets DLL path for service in the registry

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Remote Desktop Protocol

1
T1076

Collection

Data from Local System

3
T1005

Tasks