arkei

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General

Target

f543715684180643543d64e0cbed28e51b3a32cb4cdba60bedeaa9a9b90ff2f2
Size

3.6MB
Sample

220313-larp4sfbhk
MD5

4275e343e6894fa4b51e4a9ef8acc4b4
SHA1

89e5cdb3f8d1c686de027e8d85f7f7219d1476f4
SHA256

f543715684180643543d64e0cbed28e51b3a32cb4cdba60bedeaa9a9b90ff2f2
SHA512

acff212eb8a8af1859e9b5704b4fd17c79f886bfa295dbcb66541fb290da8f96e3eb74c6c229fcf5016ec40afe81f9be14d92f68b7810e174ed40d2477c3b7d6

Malware Config

Extracted

Family

socelars

http://www.iyiqian.com/

http://www.xxhufdc.top/

http://www.uefhkice.xyz/

http://www.fcektsy.top/

Extracted

Family

redline

Botnet

AniOLD

liezaphare.xyz:80

Extracted

Family

vidar

Version

39.9

Botnet

706

https://prophefliloc.tumblr.com/

Attributes

profile_id
706

Extracted

Family

smokeloader

Version

2020

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32

Extracted

Family

redline

Botnet

ruzkida

185.11.73.55:22201

Attributes

auth_value
000938fe0d697ca6a3b6cee46ba02ff3

Extracted

Family

arkei

Botnet

Default

http://62.204.41.133/TnoGfVj67h.php

Extracted

Family

djvu

http://fuyt.org/test3/get.php

Attributes

extension
.xcbg
offline_id
y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1
payload_url
http://zerit.top/dl/build2.exe

http://fuyt.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

redline

Botnet

ruzki12_03

176.122.23.55:11768

Attributes

auth_value
c51ddc8008e8581a01cec6e8291c5530

Targets

- Target
  
  f543715684180643543d64e0cbed28e51b3a32cb4cdba60bedeaa9a9b90ff2f2
- Size
  
  3.6MB
- MD5
  
  4275e343e6894fa4b51e4a9ef8acc4b4
- SHA1
  
  89e5cdb3f8d1c686de027e8d85f7f7219d1476f4
- SHA256
  
  f543715684180643543d64e0cbed28e51b3a32cb4cdba60bedeaa9a9b90ff2f2
- SHA512
  
  acff212eb8a8af1859e9b5704b4fd17c79f886bfa295dbcb66541fb290da8f96e3eb74c6c229fcf5016ec40afe81f9be14d92f68b7810e174ed40d2477c3b7d6
Score

10^/10

redline socelars aniold aspackv2 discovery infostealer spyware stealer arkei djvu onlylogger smokeloader tofsee vidar 706 default ruzki12_03 ruzkida backdoor evasion loader persistence ransomware suricata trojan upx
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- OnlyLogger
  A tiny loader that uses IPLogger to get its payload.
  loader onlylogger
- 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
- 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
- suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
  suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
  suricata
- suricata: ET MALWARE GCleaner Downloader Activity M5
  suricata: ET MALWARE GCleaner Downloader Activity M5
  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 Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
  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 HTTP POST Pattern
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata
- suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
  suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
  suricata
- suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6
  suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6
  suricata
- suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
  suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
  suricata
- suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2
  suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2
  suricata
- OnlyLogger Payload
- Vidar Stealer
  stealer
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Creates new service(s)
  persistence
- Downloads MZ/PE file
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- 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.
- Looks up geolocation information via web service
  Uses a legitimate geolocation service to find the infected system's geolocation info.
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

New Service

T1050

Scheduled Task

T1053

Privilege Escalation

New Service

T1050

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Tasks

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Detected Djvu ransomware

Djvu Ransomware

Modifies Windows Defender Real-time Protection settings

OnlyLogger

Process spawned unexpected child process

RedLine

RedLine Payload

SmokeLoader

Socelars

Socelars Payload

Tofsee

Vidar

suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

suricata: ET MALWARE GCleaner Downloader Activity M5

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

suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2

suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2

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 HTTP POST Pattern

suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)

suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6

suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

OnlyLogger Payload

Vidar Stealer

ASPack v2.12-2.42

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

UPX packed file

Checks computer location settings

Loads dropped DLL

Reads user/profile data of web browsers

Checks installed software on the system

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Looks up geolocation information via web service

Drops file in System32 directory

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2