General

  • Target

    6db384f8ae039a1447fa36be660c100e9f1d34a789674431af9e88d5c1f533d9

  • Size

    146KB

  • Sample

    210926-nsm6raegc4

  • MD5

    8891fff6277bbb096a8f2ddb8f4afcf3

  • SHA1

    ecf942547495e3c03bc9189287a1988364fedb8a

  • SHA256

    6db384f8ae039a1447fa36be660c100e9f1d34a789674431af9e88d5c1f533d9

  • SHA512

    77debc7794e9b751669197ed82f642f11ac89c6e3dd5dc7af83ce6d60bfcb4078fed9f0702f09a611bfdfb2f058b8380fdefa09d60b58573e1039029e67c4abc

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

installszxc

C2

138.124.186.2:27999

Extracted

Family

redline

Botnet

z0rm1onbuild

C2

45.156.21.209:56326

Extracted

Family

redline

Botnet

qq

C2

135.181.142.223:30397

Extracted

Family

raccoon

Botnet

f6d7183c9e82d2a9b81e6c0608450aa66cefb51f

Attributes
  • url4cnc

    https://t.me/justoprostohello

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Targets

    • Target

      6db384f8ae039a1447fa36be660c100e9f1d34a789674431af9e88d5c1f533d9

    • Size

      146KB

    • MD5

      8891fff6277bbb096a8f2ddb8f4afcf3

    • SHA1

      ecf942547495e3c03bc9189287a1988364fedb8a

    • SHA256

      6db384f8ae039a1447fa36be660c100e9f1d34a789674431af9e88d5c1f533d9

    • SHA512

      77debc7794e9b751669197ed82f642f11ac89c6e3dd5dc7af83ce6d60bfcb4078fed9f0702f09a611bfdfb2f058b8380fdefa09d60b58573e1039029e67c4abc

    • Arkei

      Arkei is an infostealer written in C++.

    • 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.

    • Arkei Stealer Payload

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

    • 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 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 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks