MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26d297c0f3512054f4858e75b78829cf1ceda056ff8458d81ab7003ab1f08a2b. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
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SHA256 hash: 26d297c0f3512054f4858e75b78829cf1ceda056ff8458d81ab7003ab1f08a2b
SHA3-384 hash: f4a9c6e87ca85c9ac6ed0ba2e45410bbb1500b35a17f84526de26d8a3b5aa5168b97be11d10a0bf840b80cbbc7abdd55
SHA1 hash: dd50b0e6471e231e6db6a1c0dc79dc9cd8b04463
MD5 hash: 099629a70f18e084d27ecb67e363a13b
humanhash: lake-georgia-yankee-lemon
File name:2023-03-16_099629a70f18e084d27ecb67e363a13b_wannacry
Download: download sample
Signature Chaos
Create hunting rule
File size:244'224 bytes
First seen:2023-03-17 04:23:43 UTC
Last seen:2023-03-29 03:38:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:woI7Yyr9kL9z3+wdSe1WcBRjpW5VFMNBDf5qIS/QWqGiUEJhREVUAISsdWBYf7DU:iXr9kLhxhdsVFGEeRJk8nrKfQZ
Threatray 966 similar samples on MalwareBazaar
TLSH T1E534CE342EFA502AF1B3EE7D9BE4759A955EB7A33707885D20B1038A0723943DDC153A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:Chaos

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AnGryTUrkEy.rar
Verdict:
Malicious activity
Analysis date:
2023-03-15 09:33:46 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/1722a1f4-be68-4561-9162-99d471b9a082

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/374943/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.972-1.UNOFFICIAL
Create hunting rule

Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP 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
Reading critical registry keys
Creating a file in the %AppData% subdirectories
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:
cmd.exe filecoder hydracrypt packed ransomware ransomx sorry
Link:
https://www.filescan.io/uploads/6413eb632fbc9ad18a02ecff/reports/34e78fb0-0de5-4586-afa2-2bb3da9456a5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/26d297c0f3512054f4858e75b78829cf1ceda056ff8458d81ab7003ab1f08a2b
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/2b3c06e8-6afc-45dc-abcb-30e10f577dff
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1195509
Signature
Antivirus / Scanner detection for submitted sample
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 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: 828410 Sample: iXvHHYMT0A.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus / Scanner detection for submitted sample 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 5 other signatures 2->84 8 iXvHHYMT0A.exe 4 2->8         started        12 svchost.exe 7 2->12         started        14 wbengine.exe 2->14         started        16 6 other processes 2->16 process3 file4 72 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->72 dropped 74 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->74 dropped 76 C:\Users\user\AppData\...\iXvHHYMT0A.exe.log, CSV 8->76 dropped 98 Drops PE files with benign system names 8->98 18 svchost.exe 1 51 8->18         started        100 Uses bcdedit to modify the Windows boot settings 12->100 22 cmd.exe 12->22         started        24 cmd.exe 12->24         started        26 cmd.exe 12->26         started        102 Creates files inside the volume driver (system volume information) 14->102 signatures5 process6 file7 64 C:\Users\user\Desktop\LFOPODGVOH.mp3, ASCII 18->64 dropped 66 C:\Users\user\Desktop\...\LFOPODGVOH.mp3, ASCII 18->66 dropped 68 C:\Users\user\Desktop\...EGWXUHVUG.docx, ASCII 18->68 dropped 70 C:\Users\user\AppData\Roaming\...\svchost.url, MS 18->70 dropped 86 Multi AV Scanner detection for dropped file 18->86 88 Deletes shadow drive data (may be related to ransomware) 18->88 90 Uses bcdedit to modify the Windows boot settings 18->90 92 Modifies existing user documents (likely ransomware behavior) 18->92 28 cmd.exe 1 18->28         started        31 cmd.exe 1 18->31         started        33 cmd.exe 18->33         started        94 May disable shadow drive data (uses vssadmin) 22->94 35 conhost.exe 22->35         started        37 vssadmin.exe 22->37         started        39 WMIC.exe 22->39         started        41 conhost.exe 24->41         started        43 2 other processes 24->43 96 Deletes the backup plan of Windows 26->96 45 2 other processes 26->45 signatures8 process9 signatures10 104 May disable shadow drive data (uses vssadmin) 28->104 106 Deletes shadow drive data (may be related to ransomware) 28->106 108 Uses bcdedit to modify the Windows boot settings 28->108 47 conhost.exe 28->47         started        50 WMIC.exe 1 28->50         started        52 vssadmin.exe 1 28->52         started        54 bcdedit.exe 8 1 31->54         started        56 bcdedit.exe 7 1 31->56         started        58 conhost.exe 31->58         started        110 Deletes the backup plan of Windows 33->110 60 conhost.exe 33->60         started        62 wbadmin.exe 33->62         started        process11 signatures12 112 May disable shadow drive data (uses vssadmin) 47->112 114 Deletes shadow drive data (may be related to ransomware) 47->114
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/26d297c0f3512054f4858e75b78829cf1ceda056ff8458d81ab7003ab1f08a2b/
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2023-03-16 02:06:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e3jjpqhtkeqfj5efrz23pcbjz4oo3icw76cfrwa2w4advmpqrivq._file
Verdict:
malicious
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Chaos
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Chaos
+ 956 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/230317-e1cwbagc5z/
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Program crash
Sets desktop wallpaper using registry
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Deletes backup catalog
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
26d297c0f3512054f4858e75b78829cf1ceda056ff8458d81ab7003ab1f08a2b
MD5 hash:
099629a70f18e084d27ecb67e363a13b
SHA1 hash:
dd50b0e6471e231e6db6a1c0dc79dc9cd8b04463
Link:
https://www.unpac.me/results/607f7e8d-bbfe-4183-8dc0-250ca61a153e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/26d297c0f351/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/26d297c0f3512054f4858e75b78829cf1ceda056ff8458d81ab7003ab1f08a2b

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/374943/

Comments