General

  • Target

    198032ed08a5197c0b5ceefa0be69749d46a724b7d889.exe

  • Size

    244KB

  • Sample

    210917-n9sgssadgr

  • MD5

    49c89d64d0e41970a96ac1c83a98a03d

  • SHA1

    3805e5bf760eb5fb3ae07e9d96df8439049c927c

  • SHA256

    198032ed08a5197c0b5ceefa0be69749d46a724b7d88915fe0762242692cb942

  • SHA512

    3bb12e7e47d21919a48a1c1d76d54caf238773b27d7e180f8993b76f36da0f40355d4ec6eb1fe3018f1e7ceb1921b717f33a7c631287d3f581bd6015e7180b51

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://venerynnet1.top/

http://kevonahira2.top/

http://vegangelist3.top/

http://kingriffaele4.top/

http://arakeishant5.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

Mix 1592021

C2

93.115.20.139:28978

Extracted

Family

vidar

Version

40.6

Botnet

1015

C2

https://dimonbk83.tumblr.com/

Attributes
  • profile_id

    1015

Targets

    • Target

      198032ed08a5197c0b5ceefa0be69749d46a724b7d889.exe

    • Size

      244KB

    • MD5

      49c89d64d0e41970a96ac1c83a98a03d

    • SHA1

      3805e5bf760eb5fb3ae07e9d96df8439049c927c

    • SHA256

      198032ed08a5197c0b5ceefa0be69749d46a724b7d88915fe0762242692cb942

    • SHA512

      3bb12e7e47d21919a48a1c1d76d54caf238773b27d7e180f8993b76f36da0f40355d4ec6eb1fe3018f1e7ceb1921b717f33a7c631287d3f581bd6015e7180b51

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • xmrig

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

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

    • Vidar Stealer

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Tasks