General

  • Target

    0d8f04344f0d70708e428ee1870823053dd4ae32ccbca4ee795c02f26ed1f473

  • Size

    303KB

  • Sample

    211225-lchj8agdap

  • MD5

    c8f3a4d8c56c0cdbe48aebbcf8c08e74

  • SHA1

    562ee51422fcc2cb3a7d8f2e1ac0b7f3b57dae5d

  • SHA256

    0d8f04344f0d70708e428ee1870823053dd4ae32ccbca4ee795c02f26ed1f473

  • SHA512

    69af533fea3dc8fe43469c717aff865097fc64d5572497c28df7b42a33121755e25d7cafd861fd04079dbe0bf8a6d196610f2660862aedf2df6da9b302a80a25

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

mubrikych.top

oxxyfix.xyz

Extracted

Family

redline

Botnet

1

C2

86.107.197.138:38133

Extracted

Family

redline

Botnet

@cas

C2

87.249.53.87:63820

Targets

    • Target

      0d8f04344f0d70708e428ee1870823053dd4ae32ccbca4ee795c02f26ed1f473

    • Size

      303KB

    • MD5

      c8f3a4d8c56c0cdbe48aebbcf8c08e74

    • SHA1

      562ee51422fcc2cb3a7d8f2e1ac0b7f3b57dae5d

    • SHA256

      0d8f04344f0d70708e428ee1870823053dd4ae32ccbca4ee795c02f26ed1f473

    • SHA512

      69af533fea3dc8fe43469c717aff865097fc64d5572497c28df7b42a33121755e25d7cafd861fd04079dbe0bf8a6d196610f2660862aedf2df6da9b302a80a25

    • Arkei

      Arkei is an infostealer written in C++.

    • 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.

    • Windows security bypass

    • 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

    • Arkei Stealer Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • Sets service image path in registry

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Registry Run Keys / Startup Folder

2
T1060

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

5
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks