asyncrat

Resubmissions

16-09-2021 20:34

210916-zcme3ahbgj 10

16-09-2021 14:08

210916-rfhmaadeg8 10

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General

Target

setup_x86_x64_install.exe
Size

7.1MB
Sample

210916-zcme3ahbgj
MD5

7b15ff87e11bd9bc7512b41635b68aeb
SHA1

3ddf56275a2132a384d251247f38cc086b6db914
SHA256

f92cfeb06515f18113a950d5bd569a23cdd85514ef509ccff6c5a4e9a08ca4c7
SHA512

d16b63a203a3322ec70f99a7ca692770c45710e2c0d50f24bf027d8d41d579d721e8cf5f20cc95436b1640b821b8efe1a3c617232cdc18c13be0e37431f7baab

Malware Config

Extracted

Path

C:\_readme.txt

Family

djvu

Ransom Note

ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-CtDpAM1g5f Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: manager@mailtemp.ch Reserve e-mail address to contact us: managerhelper@airmail.cc Your personal ID: 0333gSd743dfRiXRqq62TeogIfmpihYZJ6wDmuUVD07WwczX6Bm

Emails

manager@mailtemp.ch

managerhelper@airmail.cc

URLs

https://we.tl/t-CtDpAM1g5f

Extracted

Family

vidar

Version

40.6

Botnet

706

https://dimonbk83.tumblr.com/

Attributes

profile_id
706

Extracted

Family

smokeloader

Version

2020

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32

Extracted

Family

redline

Botnet

medianew

91.121.67.60:62102

Extracted

Family

redline

Botnet

ANI

45.142.215.47:27643

Extracted

Family

icedid

Campaign

1721901314

Extracted

Family

redline

Botnet

matthew14

193.188.21.209:41939

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://shellloader.com/welcome

Targets

- Target
  
  setup_x86_x64_install.exe
- Size
  
  7.1MB
- MD5
  
  7b15ff87e11bd9bc7512b41635b68aeb
- SHA1
  
  3ddf56275a2132a384d251247f38cc086b6db914
- SHA256
  
  f92cfeb06515f18113a950d5bd569a23cdd85514ef509ccff6c5a4e9a08ca4c7
- SHA512
  
  d16b63a203a3322ec70f99a7ca692770c45710e2c0d50f24bf027d8d41d579d721e8cf5f20cc95436b1640b821b8efe1a3c617232cdc18c13be0e37431f7baab
Score

10^/10

djvu icedid redline smokeloader socelars vidar 706 ani medianew 1721901314 aspackv2 backdoor banker discovery evasion infostealer persistence ransomware spyware stealer suricata trojan vmprotect matthew14 netsupport zloader botnet rat themida tofsee asyncrat
- AsyncRat
  AsyncRAT is designed to remotely monitor and control other computers.
  rat asyncrat
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- IcedID, BokBot
  IcedID is a banking trojan capable of stealing credentials.
  trojan banker icedid
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- NetSupport
  NetSupport is a remote access tool sold as a legitimate system administration software.
  rat netsupport
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine Payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Socelars
  Socelars is an infostealer targeting browser cookies and credit card credentials.
  stealer socelars
- Socelars Payload
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Zloader, Terdot, DELoader, ZeusSphinx
  Zloader is a malware strain that was initially discovered back in August 2015.
  trojan botnet zloader
- suricata: ET MALWARE Amadey CnC Check-In
  suricata: ET MALWARE Amadey CnC Check-In
  suricata
- suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
  suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
  suricata
- suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
  suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
  suricata
- suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent
  suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent
  suricata
- suricata: ET MALWARE Possible Dridex Download URI Struct with no referer
  suricata: ET MALWARE Possible Dridex Download URI Struct with no referer
  suricata
- suricata: ET MALWARE Possible Kelihos.F EXE Download Common Structure
  suricata: ET MALWARE Possible Kelihos.F EXE Download Common Structure
  suricata
- suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata
- suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  suricata
- suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
  suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata
- suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata
- suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2
  suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2
  suricata
- suricata: ET MALWARE Win32/IcedID Request Cookie
  suricata: ET MALWARE Win32/IcedID Request Cookie
  suricata
- suricata: ET MALWARE Win32/Tnega Activity (GET)
  suricata: ET MALWARE Win32/Tnega Activity (GET)
  suricata
- Checks for common network interception software
  Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
  evasion
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Vidar Stealer
  stealer
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Blocklisted process makes network request
- Creates new service(s)
  persistence
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Drops desktop.ini file(s)
- 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
behavioral1 behavioral2 behavioral3 behavioral4 behavioral5 behavioral6 behavioral7 behavioral8

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

New Service

T1050

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

New Service

T1050

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Virtualization/Sandbox Evasion

T1497

Hidden Files and Directories

T1158

File Permissions Modification

T1222

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Software Discovery

T1518

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Remote System Discovery

T1018

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Tasks

Resubmissions

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Djvu Ransomware

IcedID, BokBot

Modifies Windows Defender Real-time Protection settings

NetSupport

Process spawned unexpected child process

RedLine

RedLine Payload

SmokeLoader

Socelars

Socelars Payload

Suspicious use of NtCreateProcessExOtherParentProcess

Suspicious use of NtCreateUserProcessOtherParentProcess

Tofsee

Vidar

Zloader, Terdot, DELoader, ZeusSphinx

suricata: ET MALWARE Amadey CnC Check-In

suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent

suricata: ET MALWARE Possible Dridex Download URI Struct with no referer

suricata: ET MALWARE Possible Kelihos.F EXE Download Common Structure

suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

suricata: ET MALWARE Win32/Adware.Agent.NSU CnC Activity M2

suricata: ET MALWARE Win32/IcedID Request Cookie

suricata: ET MALWARE Win32/Tnega Activity (GET)

Checks for common network interception software

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

Vidar Stealer

ASPack v2.12-2.42

Blocklisted process makes network request

Creates new service(s)

Downloads MZ/PE file

Drops file in Drivers directory

Executes dropped EXE

Modifies Windows Firewall

Modifies extensions of user files

Sets file to hidden

VMProtect packed file

Checks BIOS information in registry

Checks computer location settings

Loads dropped DLL

Modifies file permissions

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Themida packer

Accesses 2FA software files, possible credential harvesting

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Checks whether UAC is enabled

Drops desktop.ini file(s)

Enumerates connected drives

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1