MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 074c7aa722ff77df5ed56b655cc11da0288550a7405dc439be4417c6fccf7d5f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 074c7aa722ff77df5ed56b655cc11da0288550a7405dc439be4417c6fccf7d5f
SHA3-384 hash: b589e95cbad215620926a860b950426c7fcadfb628ca9c7dddcc2ff9d87853f7c03504755ade4358b6e0c32a04c6edcc
SHA1 hash: 71f4143d89ce0dcb5729e2a8b2cd54bc9b423e65
MD5 hash: ae7795f6305ad315589ff4846ad1ef14
humanhash: twenty-orange-robert-edward
File name:2023-03-15_ae7795f6305ad315589ff4846ad1ef14_wannacry
Download: download sample
Signature Chaos
Create hunting rule
File size:3'075'441 bytes
First seen:2023-03-16 04:05:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'040 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 24576:Rr8WJm8MoC9Dq9onkn+rnMSBLGLS0yt1huc82KT31obI:RZjQ+9ok+nMSBLGm0Yhu52y31
Threatray 958 similar samples on MalwareBazaar
TLSH T105E5EA1A3BE9C564F0B31AB55DB6C7C957B3FD61AD21C70F329A134E0C71AA08C62672
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter petikvx
Tags:Chaos

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-03-15_ae7795f6305ad315589ff4846ad1ef14_wannacry
Verdict:
Malicious activity
Analysis date:
2023-03-16 04:06:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4ca63de8-6ddb-4b93-9aec-bcbf7d337151

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/374673/
Detection(s):
Sanesecurity.Malware.29038.UNOFFICIAL
Create hunting rule

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

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
Sending a custom TCP request
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
Searching for synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
Searching for the 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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult cmd.exe filecoder hydracrypt overlay ransomware ransomx sorry virus
Link:
https://www.filescan.io/uploads/641295ac27c971bfffb88714/reports/e08a73ac-0c42-4605-a376-71d184b9651a/overview
Verdict:
Malicious
Labled as:
Ransom.HydraCrypt.Generic
Link:
https://www.hybrid-analysis.com/sample/074c7aa722ff77df5ed56b655cc11da0288550a7405dc439be4417c6fccf7d5f
Malware family:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1911749e-810b-4dbc-9e20-e1c493687c58
Result
Threat name:
Chaos, Conti, TrojanRansom
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1194682
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
Found potential ransomware demand text
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
Yara detected Conti ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 827583 Sample: a8BgfRCsUv.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus / Scanner detection for submitted sample 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 8 other signatures 2->83 8 a8BgfRCsUv.exe 4 2->8         started        12 svchost.exe 2->12         started        14 wbuser.exe 3 2->14         started        16 4 other processes 2->16 process3 file4 71 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->71 dropped 73 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->73 dropped 75 C:\Users\user\AppData\...\a8BgfRCsUv.exe.log, CSV 8->75 dropped 101 Drops PE files with benign system names 8->101 18 svchost.exe 4 24 8->18         started        103 Deletes shadow drive data (may be related to ransomware) 12->103 105 Uses bcdedit to modify the Windows boot settings 12->105 22 cmd.exe 12->22         started        24 cmd.exe 12->24         started        26 cmd.exe 12->26         started        107 Creates files inside the volume driver (system volume information) 14->107 signatures5 process6 file7 63 C:\Users\user\Desktop\MIVTQDBATG.mp3, ASCII 18->63 dropped 65 C:\Users\user\Desktop\...\WHZAGPPPLA.mp3, ASCII 18->65 dropped 67 C:\Users\user\Desktop\...\OVWVVIANZH.jpg, ASCII 18->67 dropped 69 C:\Users\user\AppData\Roaming\...\svchost.url, MS 18->69 dropped 85 Antivirus detection for dropped file 18->85 87 Multi AV Scanner detection for dropped file 18->87 89 Machine Learning detection for dropped file 18->89 91 Modifies existing user documents (likely ransomware behavior) 18->91 28 cmd.exe 1 18->28         started        31 cmd.exe 1 18->31         started        33 cmd.exe 1 18->33         started        93 May disable shadow drive data (uses vssadmin) 22->93 95 Deletes shadow drive data (may be related to ransomware) 22->95 35 conhost.exe 22->35         started        37 vssadmin.exe 22->37         started        39 WMIC.exe 22->39         started        97 Uses bcdedit to modify the Windows boot settings 24->97 41 conhost.exe 24->41         started        43 2 other processes 24->43 99 Deletes the backup plan of Windows 26->99 45 2 other processes 26->45 signatures8 process9 signatures10 109 May disable shadow drive data (uses vssadmin) 28->109 111 Deletes shadow drive data (may be related to ransomware) 28->111 113 Uses bcdedit to modify the Windows boot settings 28->113 47 WMIC.exe 1 28->47         started        49 conhost.exe 28->49         started        51 vssadmin.exe 1 28->51         started        53 bcdedit.exe 8 1 31->53         started        55 bcdedit.exe 7 1 31->55         started        57 conhost.exe 31->57         started        115 Deletes the backup plan of Windows 33->115 59 conhost.exe 33->59         started        61 wbadmin.exe 3 33->61         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/074c7aa722ff77df5ed56b655cc11da0288550a7405dc439be4417c6fccf7d5f/
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2023-03-13 17:46:18 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=a5ghvjzc75356xwvnnsvzqi5uauikufhibo4ion6iql4n7gppvpq._file
Verdict:
malicious
Similar samples:
07fec2205cbbf2900ede2f6a1d9a5c428ef314c1dda559c632833a9c1d121542
Chaos
114e3769d9cff47038ef22c3827dc28c5be3ca6b1aeeb2589ce87727bdd4b5bd
Chaos
18e1994bf2f3d308c028a13a0bf7de375be2a546bb9b5c1bcab009aeed63fbef
Chaos
326cac6c1292eb7e556a877f2615ea213c542c2246a708ac769ae27f10f4762a
Chaos
3aa3dd2904996f9e08c40748a9fba198b9b2789242a35844672c9c1081bde0fe
Chaos
6f8f904598a1dd49277595855a35602aeecc1ce6471dcc949def88f27199388e
Chaos
7c5f6eb2a7eafa8c6891486bb1af755cc64e087c67945ab51bada4f4fcaea2ed
Chaos
9ff3f1e1736f420c698d43a74a0cfca7833848291871618ac377e3b60d23f386
Chaos
bee28de2d33aad555f317d2d0eab8761be2439d18784cc55eb43292fa887cbfd
Chaos
d6618f430c04b203394c7887803a2171402efa31427c0835e24c9dec935bf79c
Chaos
+ 948 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos evasion ransomware
Link:
https://tria.ge/reports/230316-en3wzagg92/
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
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Executes dropped EXE
Deletes backup catalog
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
074c7aa722ff77df5ed56b655cc11da0288550a7405dc439be4417c6fccf7d5f
MD5 hash:
ae7795f6305ad315589ff4846ad1ef14
SHA1 hash:
71f4143d89ce0dcb5729e2a8b2cd54bc9b423e65
Link:
https://www.unpac.me/results/f7046e58-250c-4a6f-a036-f4da7cf96ce8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/074c7aa722ff/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/074c7aa722ff77df5ed56b655cc11da0288550a7405dc439be4417c6fccf7d5f

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_KB_ID_Ransomware_Chaos
Create hunting rule
Author:ditekShen
Description:Detects files referencing identities associated with Chaos ransomware
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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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/374673/

Comments