General

  • Target

    7dc4026c4103610bbc1a890066a62e5c54bc2015108414b00196e1632581f085

  • Size

    311KB

  • Sample

    220112-gs8dcsbdc4

  • MD5

    5f51e9c763a43effe91324a0b9d547ba

  • SHA1

    96a9a10022275a1a8523fd9cf99d8325b81dd4a9

  • SHA256

    7dc4026c4103610bbc1a890066a62e5c54bc2015108414b00196e1632581f085

  • SHA512

    fb59ddfdd99ad477d62150ba63eaa9863dc037f9195e236f3eb31ee5671a7ccb108d448486083c343a353973a503f2e7002bd33dbace56af1bf359bf6f823a1e

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

patmushta.info

parubey.info

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Extracted

Family

vidar

Version

49.6

Botnet

565

C2

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes
  • profile_id

    565

Extracted

Family

vidar

Version

49.6

Botnet

1125

C2

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes
  • profile_id

    1125

Targets

    • Target

      7dc4026c4103610bbc1a890066a62e5c54bc2015108414b00196e1632581f085

    • Size

      311KB

    • MD5

      5f51e9c763a43effe91324a0b9d547ba

    • SHA1

      96a9a10022275a1a8523fd9cf99d8325b81dd4a9

    • SHA256

      7dc4026c4103610bbc1a890066a62e5c54bc2015108414b00196e1632581f085

    • SHA512

      fb59ddfdd99ad477d62150ba63eaa9863dc037f9195e236f3eb31ee5671a7ccb108d448486083c343a353973a503f2e7002bd33dbace56af1bf359bf6f823a1e

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

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

    • Arkei Stealer Payload

    • 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

    • 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.

    • 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

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks