General

  • Target

    ea64ad7325fc2da9bfcfa2b982c4813e.exe

  • Size

    270KB

  • Sample

    210922-gwf4aabfe9

  • MD5

    ea64ad7325fc2da9bfcfa2b982c4813e

  • SHA1

    2ed5679b5720addcb4283f5c487c49c8ce667ebc

  • SHA256

    374bba8bdba85792f9ba272a9635ddc97c67a870a3bf2177e35ec10d545ed4c9

  • SHA512

    0a10d8a9560ae574e10f8972ff3ec29d7df3acf6067a6200a7d293f347d67374e953fba980257b90abd964a52fb2726c53d15a02aa1750febd27db06982fc7ef

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

SewPalpadin

C2

185.215.113.29:18087

Extracted

Family

redline

Botnet

paladin

C2

188.124.36.242:25802

Extracted

Family

vidar

Version

40.9

Botnet

828

C2

https://stacenko668.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target

      ea64ad7325fc2da9bfcfa2b982c4813e.exe

    • Size

      270KB

    • MD5

      ea64ad7325fc2da9bfcfa2b982c4813e

    • SHA1

      2ed5679b5720addcb4283f5c487c49c8ce667ebc

    • SHA256

      374bba8bdba85792f9ba272a9635ddc97c67a870a3bf2177e35ec10d545ed4c9

    • SHA512

      0a10d8a9560ae574e10f8972ff3ec29d7df3acf6067a6200a7d293f347d67374e953fba980257b90abd964a52fb2726c53d15a02aa1750febd27db06982fc7ef

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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

Tasks