MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db0759eb584acd22fc6594ff7b8f6dffed34fb9e3dc427d22ba94bac9808f63a. 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


Chaos


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db0759eb584acd22fc6594ff7b8f6dffed34fb9e3dc427d22ba94bac9808f63a
SHA3-384 hash: 9d0a9101e2b32484cb060a2fd7a08ec84a6ba776070280c6a3b2c36a4ae7fe15d9fc5f59230c26ee2c1276a95301c067
SHA1 hash: 0c923f9933a358793747e05bdba34394d417e3a3
MD5 hash: 7bec07983615fc323e95612698946727
humanhash: moon-mountain-pizza-echo
File name:db0759eb584acd22fc6594ff7b8f6dffed34fb9e3dc427d22ba94bac9808f63a
Download: download sample
Signature Chaos
Create hunting rule
File size:103'424 bytes
First seen:2022-11-06 17:59:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 3072:ko2N8ur9MAHLPYBtBsGLUS3FTotB5CHcv+q1l3sBtE:wdr9MSLPOB1L330G
Threatray 3'080 similar samples on MalwareBazaar
TLSH T19BA350243AFB502DF173EEB55FE4B5AB9E6FF6333A0A646D104103460B12E81DD9163A
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:Chaos Keygroup Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
409
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
db0759eb584acd22fc6594ff7b8f6dffed34fb9e3dc427d22ba94bac9808f63a
Verdict:
Malicious activity
Analysis date:
2022-11-05 21:50:54 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/7e8ecc17-1787-4a8f-a39b-b5b9b6336b2d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Chaos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/329532/
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
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
Modifying an executable file
Reading critical registry keys
Moving a file to the %AppData% subdirectory
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult cmd.exe filecoder packed ransomware sorry virus
Link:
https://www.filescan.io/uploads/6367f623ec1c71bdbe7603c5/reports/b26c6827-9750-4fbb-a0f4-b4647c90eda2/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0d33f757-aa5c-4982-987f-44564a6d5865
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1106713
Signature
.NET source code contains very large strings
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
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 739372 Sample: KJW2H7Qrm9.exe Startdate: 06/11/2022 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 8 KJW2H7Qrm9.exe 4 2->8         started        12 svchost.exe 3 24 2->12         started        15 wbengine.exe 2->15         started        17 4 other processes 2->17 process3 dnsIp4 74 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->74 dropped 76 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->76 dropped 78 C:\Users\user\AppData\...\KJW2H7Qrm9.exe.log, CSV 8->78 dropped 106 Drops PE files with benign system names 8->106 19 svchost.exe 36 8->19         started        80 192.168.2.1 unknown unknown 12->80 108 Deletes shadow drive data (may be related to ransomware) 12->108 110 Uses bcdedit to modify the Windows boot settings 12->110 23 cmd.exe 12->23         started        25 cmd.exe 12->25         started        27 cmd.exe 12->27         started        29 notepad.exe 12->29         started        112 Creates files inside the volume driver (system volume information) 15->112 file5 signatures6 process7 file8 66 C:\Users\user\Desktop\...\SNIPGPPREP.xlsx, ASCII 19->66 dropped 68 C:\...\KJW2H7Qrm9.exe.4bPQb6-PrwjRN (copy), ASCII 19->68 dropped 70 C:\Users\user\Desktop\KJW2H7Qrm9.exe, ASCII 19->70 dropped 72 3 other malicious files 19->72 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 96 Modifies existing user documents (likely ransomware behavior) 19->96 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        98 May disable shadow drive data (uses vssadmin) 23->98 100 Deletes shadow drive data (may be related to ransomware) 23->100 40 WMIC.exe 1 23->40         started        42 conhost.exe 23->42         started        44 vssadmin.exe 1 23->44         started        102 Uses bcdedit to modify the Windows boot settings 25->102 46 3 other processes 25->46 104 Deletes the backup plan of Windows 27->104 48 2 other processes 27->48 signatures9 process10 signatures11 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 conhost.exe 34->56         started        58 bcdedit.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        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/db0759eb584acd22fc6594ff7b8f6dffed34fb9e3dc427d22ba94bac9808f63a/
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2022-11-05 19:08:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
37 of 40 (92.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3mdvt22yjlgsf7dfst7xxd3n77wtj646hxccpurlvff2zgai6y5a._file
Verdict:
malicious
Similar samples:
058a8bec8f58c3fc1d7b530d83499db343896d146b4b01c1da452a159ab1a90a
Chaos
0a00b6668696bf62e14ea1acaa855397730e24bd66b594d9602bee37c2de2e6e
Chaos
915a29734bf7d770c4a2bf259b29f06f56338577659aa64d09fc8b91dedeb51b
Chaos
b7715902fd3a8d87f4e019983a00dfcaf425ca2ecc4b5f74abac588970648c23
Chaos
ca3e078052da372b3238b78d311eca0dee9e82bb75d62773be05bc033ab0ea82
Chaos
d7c338d0bcaed7ade090437193a0f32ea7d5059da26ac20c06d1bda5443746c4
Chaos
f2f0042006d5b76593849a570aa1a598364ab9c880232b8666609c2ae1ab6141
Chaos
+ 3'070 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos evasion ransomware spyware stealer
Link:
https://tria.ge/reports/221106-wlawvaedb3/
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
Program crash
Sets desktop wallpaper using registry
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Executes dropped EXE
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7665c18c-4664-42f0-a0e9-4d619ddfaf63
Unpacked files
SH256 hash:
db0759eb584acd22fc6594ff7b8f6dffed34fb9e3dc427d22ba94bac9808f63a
MD5 hash:
7bec07983615fc323e95612698946727
SHA1 hash:
0c923f9933a358793747e05bdba34394d417e3a3
Link:
https://www.unpac.me/results/7d9b7912-1722-410c-b775-f6785f2ad115/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/db0759eb584a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/db0759eb584acd22fc6594ff7b8f6dffed34fb9e3dc427d22ba94bac9808f63a

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:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:MALWARE_Win_Chaos
Create hunting rule
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/329532/

Comments