231bd999a5103521852e4c3e283bb649.exe

General
Target

231bd999a5103521852e4c3e283bb649.exe

Size

199KB

Sample

210926-rbjnsaehf7

Score
10 /10
MD5

231bd999a5103521852e4c3e283bb649

SHA1

27fd4940930c42ea737669760640400748b1124c

SHA256

fe182a93d10cf8b048cb1a72b07f80ded9f6e2e0177f74f2baf9f17ede242ee9

SHA512

d2df51691783e348f72b1f7ef660225d89f8c0f07561102b5f3bace3261e68be28a5c5a4d8a9b5ef73c92039d8857cfd82fb846757c2e68779590ba6d02863cd

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 qq
C2

135.181.142.223:30397

Extracted

Family redline
Botnet installszxc
C2

138.124.186.2:27999

Extracted

Family redline
Botnet z0rm1onbuild
C2

45.156.21.209:56326

Extracted

Family raccoon
Botnet d4d8e30c16491ca1c11f7aa675764335342faedf
Attributes
url4cnc
https://t.me/hcdrom1
rc4.plain
rc4.plain

Extracted

Family raccoon
Botnet 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
Attributes
url4cnc
https://t.me/agrybirdsgamerept
rc4.plain
rc4.plain
Targets
Target

231bd999a5103521852e4c3e283bb649.exe

MD5

231bd999a5103521852e4c3e283bb649

Filesize

199KB

Score
10 /10
SHA1

27fd4940930c42ea737669760640400748b1124c

SHA256

fe182a93d10cf8b048cb1a72b07f80ded9f6e2e0177f74f2baf9f17ede242ee9

SHA512

d2df51691783e348f72b1f7ef660225d89f8c0f07561102b5f3bace3261e68be28a5c5a4d8a9b5ef73c92039d8857cfd82fb846757c2e68779590ba6d02863cd

Tags

Signatures

  • Arkei

    Description

    Arkei is an infostealer written in C++.

    Tags

  • Raccoon

    Description

    Simple but powerful infostealer which was very active in 2019.

    Tags

  • RedLine

    Description

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

    Tags

  • RedLine Payload

  • SmokeLoader

    Description

    Modular backdoor trojan in use since 2014.

    Tags

  • Arkei Stealer Payload

    Tags

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

    Tags

    TTPs

    Query Registry Virtualization/Sandbox Evasion
  • Downloads MZ/PE file

  • Executes dropped EXE

  • Checks BIOS information in registry

    Description

    BIOS information is often read in order to detect sandboxing environments.

    TTPs

    Query Registry System Information Discovery
  • Deletes itself

  • Loads dropped DLL

  • Reads user/profile data of local email clients

    Description

    Email clients store some user data on disk where infostealers will often target it.

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Themida packer

    Description

    Detects Themida, an advanced Windows software protection system.

    Tags

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Persistence
                Privilege Escalation