General

  • Target

    17c0023d45e798a2aca1661f490bf3b1.exe

  • Size

    179KB

  • Sample

    210813-sv7l2x88wj

  • MD5

    17c0023d45e798a2aca1661f490bf3b1

  • SHA1

    d4abe4adadcb1dd91985766f30dd40d19bf8b78b

  • SHA256

    6fa32e2ad0bfe2929dcc21d5c49a5db8ce834aa690cb8c5fcba33854b0bb0024

  • SHA512

    14d4643d1cb508c6491753f297743edb23ab5069167567415578a16ff8438ce99085c01eaed61cece3700e8fccb03e5e58837af0abbe59bf67ff8d0cb4ad13bd

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://193.56.146.55/Api/GetFile2

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

471c70de3b4f9e4d493e418d1f60a90659057de0

Attributes
  • url4cnc

    https://telete.in/p1rosto100xx

rc4.plain
rc4.plain

Targets

    • Target

      17c0023d45e798a2aca1661f490bf3b1.exe

    • Size

      179KB

    • MD5

      17c0023d45e798a2aca1661f490bf3b1

    • SHA1

      d4abe4adadcb1dd91985766f30dd40d19bf8b78b

    • SHA256

      6fa32e2ad0bfe2929dcc21d5c49a5db8ce834aa690cb8c5fcba33854b0bb0024

    • SHA512

      14d4643d1cb508c6491753f297743edb23ab5069167567415578a16ff8438ce99085c01eaed61cece3700e8fccb03e5e58837af0abbe59bf67ff8d0cb4ad13bd

    • Modifies Windows Defender Real-time Protection settings

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Raccoon Stealer Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Drops startup file

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks