General

  • Target

    3d1e2ef175fcb07d039f702890c6d25c.exe

  • Size

    165KB

  • Sample

    211008-wm2e7aegc6

  • MD5

    3d1e2ef175fcb07d039f702890c6d25c

  • SHA1

    e6f90a294184278ba6d23487527b3f5fc822b164

  • SHA256

    8b59d8f1ea4fb412eb2064b4243c6f2dcc4efd26b78e3eae92c9daf6f6a70b7b

  • SHA512

    a2ff1aa1d9330db61e204ded129caf0350fd4f9d34154872f2fe71836d5435cf9527c4a5c1e3ae3b1b3dece08e184151973dd50133988793f83da936b000101a

Malware Config

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To be sure we have the decryptor and it works you can send an email: payransom500@mail2tor.com and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? Write to email: payransom500@mail2tor.com Telegram @payransom500 Btc 500$ adress bc1qas8m3c2jv4uyurxacdt99ujj6gp6xt4tqeul8l Your personal ID: AFE-D41-E68 Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

payransom500@mail2tor.com

Extracted

Family

smokeloader

Version

2020

C2

http://fazanaharahe10.top/

http://xandelissane20.top/

http://ustiassosale30.top/

http://cytheriata40.top/

http://ggiergionard50.top/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Version

1.8.2

Botnet

2ea41939378a473cbe7002fd507389778c0f10e7

Attributes
  • url4cnc

    http://teletop.top/stevuitreen

    http://teleta.top/stevuitreen

    https://t.me/stevuitreen

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

41.2

Botnet

1033

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    1033

Extracted

Family

raccoon

Version

1.8.2

Botnet

8d179b9e611eee525425544ee8c6d77360ab7cd9

Attributes
  • url4cnc

    http://teletop.top/agrybirdsgamerept

    http://teleta.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

MIX7

C2

185.237.165.181:58506

Extracted

Family

raccoon

Version

1.8.2

Botnet

c95bfeb977df680e3fb35c1ce322d091ffdbaf92

Attributes
  • url4cnc

    http://teletop.top/vvhotsummer

    http://teleta.top/vvhotsummer

    https://t.me/vvhotsummer

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

777

C2

93.115.20.139:28978

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      3d1e2ef175fcb07d039f702890c6d25c.exe

    • Size

      165KB

    • MD5

      3d1e2ef175fcb07d039f702890c6d25c

    • SHA1

      e6f90a294184278ba6d23487527b3f5fc822b164

    • SHA256

      8b59d8f1ea4fb412eb2064b4243c6f2dcc4efd26b78e3eae92c9daf6f6a70b7b

    • SHA512

      a2ff1aa1d9330db61e204ded129caf0350fd4f9d34154872f2fe71836d5435cf9527c4a5c1e3ae3b1b3dece08e184151973dd50133988793f83da936b000101a

    • Buran

      Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    • 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.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

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

    • Vidar Stealer

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks BIOS information in registry

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

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

File Deletion

2
T1107

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

4
T1005

Email Collection

2
T1114

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks