General

  • Target

    87911ff6045822739fadb849a46dafc5599bdf021b535a8121b0e8ac2380065a

  • Size

    294KB

  • Sample

    220118-j32pnsadfp

  • MD5

    82c076a2fc61749a6b08886623f6b34e

  • SHA1

    492c4837b2e81069a958262301cb729524f9f195

  • SHA256

    87911ff6045822739fadb849a46dafc5599bdf021b535a8121b0e8ac2380065a

  • SHA512

    a410365f3a4990c147fdb545cf4dfc3b64c674121054cf077f5cfc221e955d997316029e47a7f3a0854b8146eb642b6b0baced9ae053e6d1b8c64c1daaa6b408

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

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

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

http://rfgsdfhfghdfjdghkj.xyz/

http://92.255.85.40/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

raccoon

Version

1.8.5

Botnet

470193d69fd872b73819c5e70dc68242c10ccbce

Attributes
  • url4cnc

    http://185.163.204.22/capibar

    http://178.62.113.205/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Targets

    • Target

      87911ff6045822739fadb849a46dafc5599bdf021b535a8121b0e8ac2380065a

    • Size

      294KB

    • MD5

      82c076a2fc61749a6b08886623f6b34e

    • SHA1

      492c4837b2e81069a958262301cb729524f9f195

    • SHA256

      87911ff6045822739fadb849a46dafc5599bdf021b535a8121b0e8ac2380065a

    • SHA512

      a410365f3a4990c147fdb545cf4dfc3b64c674121054cf077f5cfc221e955d997316029e47a7f3a0854b8146eb642b6b0baced9ae053e6d1b8c64c1daaa6b408

    • 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.

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • xmrig

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

    • Arkei Stealer Payload

    • XMRig Miner Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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 Microsoft Outlook profiles

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks