General

  • Target

    b2341d60db579377dcd9fb6a7b74b9c2.exe

  • Size

    241KB

  • Sample

    210901-5wmr4cmh86

  • MD5

    b2341d60db579377dcd9fb6a7b74b9c2

  • SHA1

    5966e5b49aaf0a26183a3eb31e84dced1f41657a

  • SHA256

    dd7a1a0a97405ae9859b41bdba5c52397f8fb240ec2a3664e07453e34d7ac75d

  • SHA512

    1ab70bbccabf0499451b6eea0a4ef1cbc38ef735b475c85f3d697bb79347aa963fe8ea3d1ac8471edbcc1c37c8be873432ff425e207fdf3c38d65bdec9676313

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

install

C2

185.167.97.37:30904

Extracted

Family

raccoon

Botnet

fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

1

C2

95.181.163.133:54037

Targets

    • Target

      b2341d60db579377dcd9fb6a7b74b9c2.exe

    • Size

      241KB

    • MD5

      b2341d60db579377dcd9fb6a7b74b9c2

    • SHA1

      5966e5b49aaf0a26183a3eb31e84dced1f41657a

    • SHA256

      dd7a1a0a97405ae9859b41bdba5c52397f8fb240ec2a3664e07453e34d7ac75d

    • SHA512

      1ab70bbccabf0499451b6eea0a4ef1cbc38ef735b475c85f3d697bb79347aa963fe8ea3d1ac8471edbcc1c37c8be873432ff425e207fdf3c38d65bdec9676313

    • 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.

    • VKeylogger

      A keylogger first seen in Nov 2020.

    • VKeylogger Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks