General

  • Target

    fb4d764bd182231b0d065f1e14b3b726f9fd2a010417f2e43f47f3724ddc4859

  • Size

    246KB

  • Sample

    220105-q6lk7aadc5

  • MD5

    362a36c7c2fa128177e267dea5d1c1ca

  • SHA1

    3d1cdf8a3fed49303e068d27972cb48960c17a79

  • SHA256

    fb4d764bd182231b0d065f1e14b3b726f9fd2a010417f2e43f47f3724ddc4859

  • SHA512

    990f4dfb54274455fe40c4fe6460ef76d060bf41e06486351e460eccf3ff8bd7551669f2e2a2a2a0cec3d5075a8b5c52eecd5a5b2f3c7e894324d70ca931623c

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Extracted

Family

raccoon

Botnet

10da56e7e71e97bdc1f36eb76813bbc3231de7e4

Attributes
  • url4cnc

    http://194.180.174.53/capibar

    http://91.219.236.18/capibar

    http://194.180.174.41/capibar

    http://91.219.236.148/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Targets

    • Target

      fb4d764bd182231b0d065f1e14b3b726f9fd2a010417f2e43f47f3724ddc4859

    • Size

      246KB

    • MD5

      362a36c7c2fa128177e267dea5d1c1ca

    • SHA1

      3d1cdf8a3fed49303e068d27972cb48960c17a79

    • SHA256

      fb4d764bd182231b0d065f1e14b3b726f9fd2a010417f2e43f47f3724ddc4859

    • SHA512

      990f4dfb54274455fe40c4fe6460ef76d060bf41e06486351e460eccf3ff8bd7551669f2e2a2a2a0cec3d5075a8b5c52eecd5a5b2f3c7e894324d70ca931623c

    • Arkei

      Arkei is an infostealer written in C++.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Tofsee

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

    • Windows security bypass

    • xmrig

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

    • Arkei Stealer Payload

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

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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 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

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

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
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

2
T1005

Tasks