General

  • Target

    99247196655c3a9732a53cf5bfc7cf04.exe

  • Size

    180KB

  • Sample

    210813-xale6k4vh6

  • MD5

    99247196655c3a9732a53cf5bfc7cf04

  • SHA1

    bc3515433346a316a134af9def4f8a76e798abc7

  • SHA256

    654e5fbb0f6165cdad48fd843ec274d63507133e0f27dab5b535efa1b56b0125

  • SHA512

    c0b13aeb8fc6f56e874a60c1e2c5d830aa629cc4ce6c601eaf4c3d3bdea14b3246145b7527418b3ddd04a5833b4ec3052140b4e65ad140b0e83a5eaae8e110c3

Malware Config

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

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://193.56.146.55/Api/GetFile2

Extracted

Family

raccoon

Botnet

471c70de3b4f9e4d493e418d1f60a90659057de0

Attributes
  • url4cnc

    https://telete.in/p1rosto100xx

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Targets

    • Target

      99247196655c3a9732a53cf5bfc7cf04.exe

    • Size

      180KB

    • MD5

      99247196655c3a9732a53cf5bfc7cf04

    • SHA1

      bc3515433346a316a134af9def4f8a76e798abc7

    • SHA256

      654e5fbb0f6165cdad48fd843ec274d63507133e0f27dab5b535efa1b56b0125

    • SHA512

      c0b13aeb8fc6f56e874a60c1e2c5d830aa629cc4ce6c601eaf4c3d3bdea14b3246145b7527418b3ddd04a5833b4ec3052140b4e65ad140b0e83a5eaae8e110c3

    • Detected phishing page

    • Modifies Windows Defender Real-time Protection settings

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Raccoon Stealer Payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

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

    • Blocklisted process makes network request

    • 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

    • Drops startup file

    • 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 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
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

2
T1005

Tasks