General

  • Target

    0521ab150849a73fbb2ac29f39fb15f5.exe

  • Size

    158KB

  • Sample

    211130-h9jl1ahdc3

  • MD5

    0521ab150849a73fbb2ac29f39fb15f5

  • SHA1

    8ac2f4f487d283a4574baadd236b48e12aacf1e3

  • SHA256

    2cffd086ee5e84a648d9bad3e5c96f24b2715428bf361c2cc8353b4c18bff05c

  • SHA512

    296d79dd4843c21c6c96cde8e2dd1fa0757fe68ae7d87eb1b118bd5e046a3a68dde5df2939625e8569e1b75d15d864fe39d61e3f1a1509cf3ae70c15a51d297b

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

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

92.255.76.197:38637

Extracted

Family

arkei

Botnet

Default

C2

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

Extracted

Family

redline

Botnet

wawa

C2

45.77.80.187:15300

Extracted

Family

redline

Botnet

daniel

C2

178.238.8.1:30148

Extracted

Family

icedid

Campaign

2904573523

C2

placingapie.ink

Extracted

Family

vidar

Version

48.7

Botnet

706

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes
  • profile_id

    706

Targets

    • Target

      0521ab150849a73fbb2ac29f39fb15f5.exe

    • Size

      158KB

    • MD5

      0521ab150849a73fbb2ac29f39fb15f5

    • SHA1

      8ac2f4f487d283a4574baadd236b48e12aacf1e3

    • SHA256

      2cffd086ee5e84a648d9bad3e5c96f24b2715428bf361c2cc8353b4c18bff05c

    • SHA512

      296d79dd4843c21c6c96cde8e2dd1fa0757fe68ae7d87eb1b118bd5e046a3a68dde5df2939625e8569e1b75d15d864fe39d61e3f1a1509cf3ae70c15a51d297b

    • Arkei

      Arkei is an infostealer written in C++.

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • 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.

    • 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

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

    • 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

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • 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

4
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

4
T1005

Email Collection

1
T1114

Tasks