General

  • Target

    64d8891ab5462314e63dc2e60d9dcc9c.exe

  • Size

    229KB

  • Sample

    210715-bf9994xyqs

  • MD5

    64d8891ab5462314e63dc2e60d9dcc9c

  • SHA1

    cb5350d334c2727235f1462794eefefdafcb83db

  • SHA256

    18a0eae481037bf1603b9200e305f128d0fc824c0e21f21110ce00685206bbc5

  • SHA512

    27982b1b5351940631c91bc6a969288b65279d83f15b9f7a0eab9be93f3dd8a23fa3684cf9f147406efcf227846074fac309a0ad3a55aedeed18fbdd87da94b7

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

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

Extracted

Family

redline

Botnet

q

C2

45.32.235.238:45555

Extracted

Family

vidar

Version

39.5

Botnet

824

C2

https://olegf9844.tumblr.com/

Attributes
  • profile_id

    824

Extracted

Family

vidar

Version

39.6

Botnet

824

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    824

Extracted

Family

redline

Botnet

atomic_1

C2

176.96.238.188:20427

Extracted

Family

redline

Botnet

bibi

C2

45.147.230.79:12632

Targets

    • Target

      64d8891ab5462314e63dc2e60d9dcc9c.exe

    • Size

      229KB

    • MD5

      64d8891ab5462314e63dc2e60d9dcc9c

    • SHA1

      cb5350d334c2727235f1462794eefefdafcb83db

    • SHA256

      18a0eae481037bf1603b9200e305f128d0fc824c0e21f21110ce00685206bbc5

    • SHA512

      27982b1b5351940631c91bc6a969288b65279d83f15b9f7a0eab9be93f3dd8a23fa3684cf9f147406efcf227846074fac309a0ad3a55aedeed18fbdd87da94b7

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • 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.

    • 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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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 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 NtCreateThreadExHideFromDebugger

    • 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

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

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

Tasks