General

  • Target

    2fd9a656a0cee8bea7773573a3e1c1e4ec8b6d06a4ec079eba1fe4a400b53908

  • Size

    334KB

  • Sample

    211216-d7spnsbbc6

  • MD5

    708afde1534cc0a9fc3290bc7f01faf4

  • SHA1

    4c0b7dd2b4ac8b19c5a2dd6b27c3e2a89ce98a34

  • SHA256

    2fd9a656a0cee8bea7773573a3e1c1e4ec8b6d06a4ec079eba1fe4a400b53908

  • SHA512

    ebda576fb728d79bb737e421ce3983ab53be8d6ec7da0201cad7a2824d8c028179062c88c0de21709d770b2addeadfe0ba97eb01d31883a635f6076b2ce9dc5c

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

icedid

Campaign

3372020928

C2

jeliskvosh.com

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

Extracted

Family

redline

Botnet

22

C2

195.133.47.114:38127

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://45.77.127.230:8888

Targets

    • Target

      2fd9a656a0cee8bea7773573a3e1c1e4ec8b6d06a4ec079eba1fe4a400b53908

    • Size

      334KB

    • MD5

      708afde1534cc0a9fc3290bc7f01faf4

    • SHA1

      4c0b7dd2b4ac8b19c5a2dd6b27c3e2a89ce98a34

    • SHA256

      2fd9a656a0cee8bea7773573a3e1c1e4ec8b6d06a4ec079eba1fe4a400b53908

    • SHA512

      ebda576fb728d79bb737e421ce3983ab53be8d6ec7da0201cad7a2824d8c028179062c88c0de21709d770b2addeadfe0ba97eb01d31883a635f6076b2ce9dc5c

    • Arkei

      Arkei is an infostealer written in C++.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Tofsee

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

    • VKeylogger

      A keylogger first seen in Nov 2020.

    • VKeylogger Payload

    • 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)

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • 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 user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
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

3
T1005

Email Collection

1
T1114

Tasks