MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e98c2dbb6c9fccebaca440ac922aada5609ee6550bc965da5124d262bef4e49. 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


Teslarvng


Vendor detections: 11


Intelligence 11 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e98c2dbb6c9fccebaca440ac922aada5609ee6550bc965da5124d262bef4e49
SHA3-384 hash: 78782db453cb673552f58a512a4d56a2b88a0a9d07d1fb6f22386cc9c54789456e918ab579325c350502c3a416d990b6
SHA1 hash: 67917520834b5a7aa9355a77959a0ee42e25fa25
MD5 hash: 0ae4d3e7d7e15458063a9404c822ae10
humanhash: fanta-orange-whiskey-carbon
File name:HEUR-Trojan-Ransom.Win32.Generic-8e98c2dbb6c9fccebaca440ac922aada5609ee6550bc965da5124d262bef4e49
Download: download sample
Signature Teslarvng
Create hunting rule
File size:916'480 bytes
First seen:2022-09-27 18:11:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2f14a93e45bcb13ad64a748a43de69c2 (1 x Teslarvng)
ssdeep 12288:dX1bx1JZ/lY7NNsBceiGGpwIJl+nxVmU0a5Z8qa6b/4aepxOR1y/KuvBP:ttfJpi7f6ywIyPmU0sva6bg/no1IvBP
Threatray 1 similar samples on MalwareBazaar
TLSH T1E7157D20B282C432E4B315715A7DAAA6593E7C321B3294EBE3C84E5D45B45D2AF31F37
TrID 87.5% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
4.6% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.0% (.EXE) Win32 Executable (generic) (4505/5/1)
0.9% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter petikvx
Tags:exe Ransomware Teslarvng

Intelligence

File Origin
# of uploads :
1
# of downloads :
487
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/314085/
Detection(s):
Win.Ransomware.TeslaRVNG-9783973-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Creating a service
Creating a file
Creating a file in the Windows directory
Running batch commands
Creating a window
Сreating synchronization primitives
Launching a service
Searching for the window
Searching for synchronization primitives
Changing a file
Deleting volume shadow copies
Sending a TCP request to an infection source
Enabling autorun for a service
Creating a file in the mass storage device
Encrypting user's files
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/39543/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive fingerprint greyware packed rat shell32.dll
Link:
https://www.filescan.io/uploads/63333cbc5291e4a063ec1909/reports/2d13bd57-6e91-4fd3-862b-63c73fe68521/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:
Tesla Revenge Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d2ecfc41-da78-459d-8341-2c3c32e446aa
Result
Threat name:
Teslarvng
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1078525
Signature
Antivirus / Scanner detection for submitted sample
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Contains functionality to clear event logs
Deletes shadow drive data (may be related to ransomware)
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Query firmware table information (likely to detect VMs)
Yara detected Teslarvng ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 711109 Sample: 2bef4e49.exe Startdate: 27/09/2022 Architecture: WINDOWS Score: 96 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected Teslarvng ransomware 2->51 53 Deletes shadow drive data (may be related to ransomware) 2->53 7 2bef4e49.exe 7 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 3 2->13         started        15 10 other processes 2->15 process3 dnsIp4 41 192.168.2.100 unknown unknown 7->41 43 192.168.2.101 unknown unknown 7->43 45 98 other IPs or domains 7->45 55 Connects to many different private IPs via SMB (likely to spread or exploit) 7->55 57 Connects to many different private IPs (likely to spread or exploit) 7->57 59 Protects its processes via BreakOnTermination flag 7->59 65 3 other signatures 7->65 17 cmd.exe 1 7->17         started        19 vssadmin.exe 1 7->19         started        21 sc.exe 1 7->21         started        25 4 other processes 7->25 61 Changes security center settings (notifications, updates, antivirus, firewall) 11->61 23 MpCmdRun.exe 1 11->23         started        63 Query firmware table information (likely to detect VMs) 13->63 signatures5 process6 process7 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        39 conhost.exe 25->39         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8e98c2dbb6c9fccebaca440ac922aada5609ee6550bc965da5124d262bef4e49/
Threat name:
Win32.Ransomware.GandCrab
Create hunting rule
Status:
Malicious
First seen:
2021-05-21 07:07:52 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r2mmfw5wzh6m5owkiqfmsivk3jlat3tfkc6jmxnfcjgsmk7pjzeq._file
Verdict:
malicious
Similar samples:
edf9912bf2c8c7d9048bc6322900231810de7cc34267acc12e1a256fbecdbbdf
Teslarvng
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/220927-wsmtzsfbhj/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Interacts with shadow copies
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops desktop.ini file(s)
Enumerates connected drives
Drops startup file
Reads user/profile data of web browsers
Creates new service(s)
Deletes backup catalog
Executes dropped EXE
Modifies extensions of user files
Stops running service(s)
Deletes shadow copies
Unpacked files
SH256 hash:
8e98c2dbb6c9fccebaca440ac922aada5609ee6550bc965da5124d262bef4e49
MD5 hash:
0ae4d3e7d7e15458063a9404c822ae10
SHA1 hash:
67917520834b5a7aa9355a77959a0ee42e25fa25
Link:
https://www.unpac.me/results/d87a533c-f714-48ca-a76f-71cdff92b895/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8e98c2dbb6c9fccebaca440ac922aada5609ee6550bc965da5124d262bef4e49

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_SUSPICIOUS_ClearWinLogs
Create hunting rule
Author:ditekSHen
Description:Detects executables containing commands for clearing Windows Event Logs
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:MALWARE_Win_TeslaRevenge
Create hunting rule
Author:ditekSHen
Description:Detects TeslaRevenge ransomware
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules

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/314085/

Comments