General

  • Target

    e498ee51d574ae0719fee5da8afb627adc25b946c179815904a65ad4364d0c4a

  • Size

    286KB

  • Sample

    210924-1szwrsaabn

  • MD5

    68ea7b6eb8bd48a2606c8cf073867a83

  • SHA1

    ec78be2637220d1b6572a9db7b6cd8284fd1b2a4

  • SHA256

    e498ee51d574ae0719fee5da8afb627adc25b946c179815904a65ad4364d0c4a

  • SHA512

    040c0c67c858059bf801a7a4b8f6b82fe89ce053b0654d098f3ecefba3f0a82539251e508c888dc54d6e16b8174089891d997a5d03df1cdc5bf41f58804496ac

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

raccoon

Botnet

f6d7183c9e82d2a9b81e6c0608450aa66cefb51f

Attributes
  • url4cnc

    https://t.me/justoprostohello

rc4.plain
rc4.plain

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

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Targets

    • Target

      e498ee51d574ae0719fee5da8afb627adc25b946c179815904a65ad4364d0c4a

    • Size

      286KB

    • MD5

      68ea7b6eb8bd48a2606c8cf073867a83

    • SHA1

      ec78be2637220d1b6572a9db7b6cd8284fd1b2a4

    • SHA256

      e498ee51d574ae0719fee5da8afb627adc25b946c179815904a65ad4364d0c4a

    • SHA512

      040c0c67c858059bf801a7a4b8f6b82fe89ce053b0654d098f3ecefba3f0a82539251e508c888dc54d6e16b8174089891d997a5d03df1cdc5bf41f58804496ac

    • 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

    • Drops startup file

    • 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

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

3
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Remote Desktop Protocol

1
T1076

Collection

Data from Local System

3
T1005

Tasks