MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18e1994bf2f3d308c028a13a0bf7de375be2a546bb9b5c1bcab009aeed63fbef. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



RedLineStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 13 File information Comments

SHA256 hash: 18e1994bf2f3d308c028a13a0bf7de375be2a546bb9b5c1bcab009aeed63fbef
SHA3-384 hash: aa470449ad69f5148b068963c60de7a83b0031e9e64c2c6508de3f4b06d50dacf329a91090ff6b5c6622d92a20dcee3b
SHA1 hash: c0282c3c01340b12f129e2fb0132c02de758cace
MD5 hash: 5343c5d515319b6a03f669b02218d296
humanhash: washington-iowa-eleven-five
File name:HEUR-Trojan-Ransom.MSIL.Agent.gen-18e1994bf2f3d308c028a13a0bf7de375be2a546bb9b5c1bcab009aeed63fbef
Download: download sample
Signature RedLineStealer
File size:23'552 bytes
First seen:2022-09-22 17:41:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'853 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 384:AOgHsUm8stKzttgWViaQiMPHJMr91CYSpubJfyO:AOgHsUrzP3FHMhMr9VSpubYO
Threatray 2'623 similar samples on MalwareBazaar
TLSH T1E5B2C55827FA4A34F6FB2EB85CB1114157B6BC63ED3DD75D188E004C0822B9C8CA0BA6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter petikvx
Tags:exe Ransomware RedLineStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
503
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ruyk.exe
Verdict:
Malicious activity
Analysis date:
2021-07-10 20:21:32 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Moving a recently created file
Changing a file
Reading critical registry keys
Running batch commands
Creating a process with a hidden window
Launching a service
Launching a process
Creating a window
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Stealing user critical data
Deleting volume shadow copies
Preventing system recovery
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe packed ransomware
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
CHAOS Ransomware
Verdict:
Malicious
Result
Threat name:
Chaos, TrojanRansom
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Drops script at startup location
Uses bcdedit to modify the Windows boot settings
Writes a notice file (html or txt) to demand a ransom
Yara detected Chaos Ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 708088 Sample: ed63fbef.exe Startdate: 22/09/2022 Architecture: WINDOWS Score: 100 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus / Scanner detection for submitted sample 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 6 other signatures 2->88 9 ed63fbef.exe 4 2->9         started        13 svchost.exe 3 9 2->13         started        15 wbengine.exe 2->15         started        17 2 other processes 2->17 process3 file4 76 C:\Users\user\AppData\Roaming\svchost.exe, PE32 9->76 dropped 78 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 9->78 dropped 80 C:\Users\user\AppData\...\ed63fbef.exe.log, ASCII 9->80 dropped 106 Drops PE files with benign system names 9->106 19 svchost.exe 20 9->19         started        108 Deletes shadow drive data (may be related to ransomware) 13->108 110 Uses bcdedit to modify the Windows boot settings 13->110 23 cmd.exe 13->23         started        25 cmd.exe 1 13->25         started        27 cmd.exe 13->27         started        29 notepad.exe 13->29         started        112 Creates files inside the volume driver (system volume information) 15->112 signatures5 process6 file7 68 C:\Users\user\Saved Games\read_it.txt, ASCII 19->68 dropped 70 C:\Users\user\Pictures\read_it.txt, ASCII 19->70 dropped 72 C:\Users\user\Music\read_it.txt, ASCII 19->72 dropped 74 11 other malicious files 19->74 dropped 90 Antivirus detection for dropped file 19->90 92 Multi AV Scanner detection for dropped file 19->92 94 Machine Learning detection for dropped file 19->94 104 2 other signatures 19->104 31 cmd.exe 1 19->31         started        34 cmd.exe 19->34         started        36 cmd.exe 19->36         started        38 notepad.exe 19->38         started        96 May disable shadow drive data (uses vssadmin) 23->96 98 Deletes shadow drive data (may be related to ransomware) 23->98 40 WMIC.exe 1 23->40         started        42 conhost.exe 23->42         started        44 vssadmin.exe 1 23->44         started        100 Uses bcdedit to modify the Windows boot settings 25->100 46 3 other processes 25->46 102 Deletes the backup plan of Windows 27->102 48 2 other processes 27->48 signatures8 process9 signatures10 114 May disable shadow drive data (uses vssadmin) 31->114 116 Deletes shadow drive data (may be related to ransomware) 31->116 118 Uses bcdedit to modify the Windows boot settings 31->118 50 WMIC.exe 1 31->50         started        52 conhost.exe 31->52         started        54 vssadmin.exe 1 31->54         started        56 bcdedit.exe 34->56         started        58 conhost.exe 34->58         started        60 bcdedit.exe 34->60         started        120 Deletes the backup plan of Windows 36->120 62 conhost.exe 36->62         started        64 wbadmin.exe 36->64         started        process11 process12 66 conhost.exe 56->66         started       
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Status:
Malicious
First seen:
2021-07-11 08:38:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:chaos evasion ransomware
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Deletes backup catalog
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
18e1994bf2f3d308c028a13a0bf7de375be2a546bb9b5c1bcab009aeed63fbef
MD5 hash:
5343c5d515319b6a03f669b02218d296
SHA1 hash:
c0282c3c01340b12f129e2fb0132c02de758cace
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Destructive_Ransomware_Gen1
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_KB_ID_Ransomware_Chaos
Author:ditekShen
Description:Detects files referencing identities associated with Chaos ransomware
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:MALWARE_Win_Chaos
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:pe_imphash
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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