a760692dedff1b4ca14c33ef0b6a34bf64bcae3ed67e80d69e2c763bdaeed8e8

General
Target

a760692dedff1b4ca14c33ef0b6a34bf64bcae3ed67e80d69e2c763bdaeed8e8

Size

326KB

Sample

211226-j2z5fsbcg6

Score
10 /10
MD5

400d861df40d67bf2250c0822d52bb97

SHA1

5fe968600bd33c05a34127e8d5768d4d21e3e9cc

SHA256

a760692dedff1b4ca14c33ef0b6a34bf64bcae3ed67e80d69e2c763bdaeed8e8

SHA512

e308d9748a258153e333dd6dc8984539e2e956f3d8c33dd5aadf6cf0b911242b561bb6dcf07ee54762b9f9ef1cba52ad5b65bf40a19223c84ae887a823b468b5

Malware Config

Extracted

Family smokeloader
Version 2020
C2

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

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

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

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

Extracted

Family tofsee
C2

parubey.info

patmushta.info

Extracted

Family redline
Botnet 1
C2

86.107.197.138:38133

Targets
Target

a760692dedff1b4ca14c33ef0b6a34bf64bcae3ed67e80d69e2c763bdaeed8e8

MD5

400d861df40d67bf2250c0822d52bb97

Filesize

326KB

Score
10/10
SHA1

5fe968600bd33c05a34127e8d5768d4d21e3e9cc

SHA256

a760692dedff1b4ca14c33ef0b6a34bf64bcae3ed67e80d69e2c763bdaeed8e8

SHA512

e308d9748a258153e333dd6dc8984539e2e956f3d8c33dd5aadf6cf0b911242b561bb6dcf07ee54762b9f9ef1cba52ad5b65bf40a19223c84ae887a823b468b5

Tags

Signatures

  • Arkei

    Description

    Arkei is an infostealer written in C++.

    Tags

  • RedLine

    Description

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    Tags

  • RedLine Payload

  • SmokeLoader

    Description

    Modular backdoor trojan in use since 2014.

    Tags

  • Tofsee

    Description

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

    Tags

  • Windows security bypass

    Tags

    TTPs

    Disabling Security ToolsModify Registry
  • xmrig

    Description

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

    Tags

  • Arkei Stealer Payload

    Tags

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

    Tags

    TTPs

    Query RegistryVirtualization/Sandbox Evasion
  • XMRig Miner Payload

    Tags

  • Creates new service(s)

    Tags

    TTPs

    New Service
  • Downloads MZ/PE file

  • Executes dropped EXE

  • Modifies Windows Firewall

    Tags

    TTPs

    Modify Existing Service
  • Sets service image path in registry

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Checks BIOS information in registry

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • Deletes itself

  • Loads dropped DLL

  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses Microsoft Outlook profiles

    Tags

    TTPs

    Email Collection
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation