General

  • Target

    F4800660EB71CEAE41442CC4BFC4A37A.exe

  • Size

    179KB

  • Sample

    210813-wmtv961c1s

  • MD5

    f4800660eb71ceae41442cc4bfc4a37a

  • SHA1

    98a68484de7ff7189bd61d0c04fbba83f2c20e45

  • SHA256

    ca4bcfe479099c61e62b533e4ec5f667265ba2eb0884cbea492648ba3bdb8eb6

  • SHA512

    20d345977a881d370e6d712162ee3c75056816829f6877f5c70a5795ea0678fa2b2a4d20a64ad29c3bf7ecd96e5649bb30858bf4f1fc786f3520a14cc4c0e85a

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

      F4800660EB71CEAE41442CC4BFC4A37A.exe

    • Size

      179KB

    • MD5

      f4800660eb71ceae41442cc4bfc4a37a

    • SHA1

      98a68484de7ff7189bd61d0c04fbba83f2c20e45

    • SHA256

      ca4bcfe479099c61e62b533e4ec5f667265ba2eb0884cbea492648ba3bdb8eb6

    • SHA512

      20d345977a881d370e6d712162ee3c75056816829f6877f5c70a5795ea0678fa2b2a4d20a64ad29c3bf7ecd96e5649bb30858bf4f1fc786f3520a14cc4c0e85a

    • Detected phishing page

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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