MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1461362ebd3b8710610c59cd2aa00f435330bd9d8f75ba4105617b0205cd932b. 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: 15


Intelligence 15 IOCs YARA 10 File information Comments
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SHA256 hash: 1461362ebd3b8710610c59cd2aa00f435330bd9d8f75ba4105617b0205cd932b
SHA3-384 hash: d3937a08e525c67098d67a282d8f0db8bd6280d4bbb1ed05c6b06227b780693ae61ba8403af097631a1219d138ba5d0c
SHA1 hash: 3edc0fff5092983a4ae664c006dd5a94843eb715
MD5 hash: c5a36a4a7e558ad587a7087d72a72c7c
humanhash: london-enemy-fanta-july
File name:CoinMama
Download: download sample
Signature Chaos
Create hunting rule
File size:29'696 bytes
First seen:2024-11-13 13:25:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 384:StWZPzzxAm1vd5VM6YE2r7OUmgIYfdQPFolUOy5o91qqclYhhx82v4:37zxAmhWF/rEgIYw/ho98Ot82Q
Threatray 164 similar samples on MalwareBazaar
TLSH T1CCD2B4547BFA8635F6FF5F7869F25145473AB852EC39D74E088E404D0C22B8C89A0BA7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter JAMESWT_WT
Tags:Chaos CoinMama exe Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
4'853
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CoinMama
Verdict:
Malicious activity
Analysis date:
2024-11-13 13:39:34 UTC
Tags:
crypto-regex chaos ransomware stealer
Link:
https://app.any.run/tasks/f1ea8c81-1b3c-4edf-b85d-32e8ff78edda

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67351a6534b6906b348294e2
Tags:
ransomware dropper virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Searching for the window
Running batch commands
Creating a process with a hidden window
Launching a service
Launching a process
Searching for synchronization primitives
Changing a file
Reading critical registry keys
Modifies multiple files
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Deleting volume shadow copies
Preventing system recovery
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Stealing user critical data
Encrypting user's files
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-security cmd lolbin ransomware veeam wmic
Link:
https://www.filescan.io/uploads/6734a8efeb893e5fda462e59/reports/10dbe2a7-70ff-409d-8f90-f8c91bce3d3f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1461362ebd3b8710610c59cd2aa00f435330bd9d8f75ba4105617b0205cd932b
Malware family:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/687dac76-ae32-4f64-a7af-6acd52acd32f
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1555146
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Contains functionality to disable the Task Manager (.Net Source)
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Drops PE files with benign system names
Found ransom note / readme
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
Overwrites Mozilla Firefox settings
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Sigma detected: System File Execution Location Anomaly
Tries to harvest and steal browser information (history, passwords, etc)
Uses bcdedit to modify the Windows boot settings
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Chaos Ransomware
Yara detected Python Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1555146 Sample: CoinMama.exe Startdate: 13/11/2024 Architecture: WINDOWS Score: 100 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus / Scanner detection for submitted sample 2->82 84 Multi AV Scanner detection for submitted file 2->84 86 11 other signatures 2->86 8 CoinMama.exe 5 2->8         started        12 svchost.exe 2->12         started        14 wbengine.exe 2->14         started        16 5 other processes 2->16 process3 file4 74 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->74 dropped 102 Deletes shadow drive data (may be related to ransomware) 8->102 104 Drops PE files with benign system names 8->104 18 svchost.exe 2 1002 8->18         started        76 C:\...\CachedImage_1280_1024_POS4.jpg.dqrn, data 12->76 dropped 106 Uses bcdedit to modify the Windows boot settings 12->106 108 Tries to harvest and steal browser information (history, passwords, etc) 12->108 22 cmd.exe 12->22         started        24 cmd.exe 12->24         started        26 cmd.exe 12->26         started        28 notepad.exe 12->28         started        110 Creates files inside the volume driver (system volume information) 14->110 signatures5 process6 file7 66 C:\Users\user\ReadMe.txt, ASCII 18->66 dropped 68 C:\Users\user\AppData\...\times.json.o5ig, data 18->68 dropped 70 C:\Users\user\AppData\Roaming\...\ReadMe.txt, ASCII 18->70 dropped 72 66 other malicious files 18->72 dropped 88 Multi AV Scanner detection for dropped file 18->88 90 Deletes shadow drive data (may be related to ransomware) 18->90 92 Writes a notice file (html or txt) to demand a ransom 18->92 100 6 other signatures 18->100 30 cmd.exe 18->30         started        33 cmd.exe 18->33         started        35 cmd.exe 18->35         started        37 notepad.exe 18->37         started        94 May disable shadow drive data (uses vssadmin) 22->94 39 vssadmin.exe 22->39         started        41 conhost.exe 22->41         started        43 WMIC.exe 22->43         started        96 Uses bcdedit to modify the Windows boot settings 24->96 45 3 other processes 24->45 98 Deletes the backup plan of Windows 26->98 47 2 other processes 26->47 signatures8 process9 signatures10 112 May disable shadow drive data (uses vssadmin) 30->112 114 Deletes shadow drive data (may be related to ransomware) 30->114 116 Uses bcdedit to modify the Windows boot settings 30->116 49 vssadmin.exe 30->49         started        52 conhost.exe 30->52         started        54 WMIC.exe 30->54         started        56 conhost.exe 33->56         started        58 bcdedit.exe 33->58         started        60 bcdedit.exe 33->60         started        118 Deletes the backup plan of Windows 35->118 62 conhost.exe 35->62         started        64 wbadmin.exe 35->64         started        process11 signatures12 78 Deletes shadow drive data (may be related to ransomware) 49->78
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1461362ebd3b8710610c59cd2aa00f435330bd9d8f75ba4105617b0205cd932b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1461362ebd3b8710610c59cd2aa00f435330bd9d8f75ba4105617b0205cd932b/
Threat name:
ByteCode-MSIL.Ransomware.Small
Create hunting rule
Status:
Malicious
First seen:
2022-08-05 18:42:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=crqtmlv5hodrayimlhgsviapinjtbpm5r523uqifmf5qebonsmvq._file
Verdict:
malicious
Label(s):
genericransomware
Create hunting rule
chaos
Create hunting rule
Similar samples:
3e96709bb940d80b4ffe950fa589fff66fbf84eb752de49f115bc51c28e179f5
Chaos
6e7a64e8d70803263570dfd2eb3d05e9423cfe2c39a596e9109c4408325103f3
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7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a
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9c7713c8cd8233686ea25551b426fef708636c7fc2eea2978a9333772aa3b527
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Chaos
error
Chaos
+ 154 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos defense_evasion evasion execution impact persistence ransomware spyware stealer
Link:
https://tria.ge/reports/241113-qpjehawkhr/
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
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Adds Run key to start application
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
Disables Task Manager via registry modification
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Chaos family
Verdict:
Malicious
Tags:
ransomware chaos Win.Ransomware.Hydracrypt-9878672-0
YARA:
MALWARE_Win_Chaos
Link:
https://app.threat.zone/submission/9062b19b-ee13-4dae-a241-1f6957c862a2
Unpacked files
SH256 hash:
1461362ebd3b8710610c59cd2aa00f435330bd9d8f75ba4105617b0205cd932b
MD5 hash:
c5a36a4a7e558ad587a7087d72a72c7c
SHA1 hash:
3edc0fff5092983a4ae664c006dd5a94843eb715
Link:
https://www.unpac.me/results/906f773d-ca27-4c74-af7b-350435172719/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
SNC
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1461362ebd3b8710610c59cd2aa00f435330bd9d8f75ba4105617b0205cd932b

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
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Create hunting rule
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:Detects command variations typically used by ransomware
Rule name:INDICATOR_SUSPICOUS_EXE_References_VEEAM
Create hunting rule
Author:ditekSHen
Description:Detects executables containing many references to VEEAM. Observed in ransomware
Rule name:MALWARE_Win_Chaos
Create hunting rule
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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