MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc6b1d6a4d1aa5b2532dad1011db9a0bbf549e56e168061f56c5b5d755bd0ed4. 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


Glupteba


Vendor detections: 13


Intelligence 13 IOCs YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc6b1d6a4d1aa5b2532dad1011db9a0bbf549e56e168061f56c5b5d755bd0ed4
SHA3-384 hash: db3bca6529eaf0214d86cfc1b665c22775ddd35eaafcfee9aff633b2ac7f60641b73b8b06532ee2b576ca1570dda927d
SHA1 hash: bebb85a852582e44bcb0787f3f4d798916f0cc08
MD5 hash: a76da5f0b3bcf59891821977328240b2
humanhash: nuts-neptune-princess-seventeen
File name:A76DA5F0B3BCF59891821977328240B2.exe
Download: download sample
Signature Glupteba
Create hunting rule
File size:4'422'528 bytes
First seen:2023-05-13 20:28:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4a9fed9a837057c422529f668701b340 (1 x Glupteba)
ssdeep 98304:1RM00gFI9wsG+o968HcRESDR1vCQZNqvQBYOW2ho/qrI:1RMWFI9wsG+o9P8/DRMQZEvg5kKI
TLSH T10726239296A5BE21E62782358F6FD2F4E74DF1604F687B6E120AFE5F0971272C532304
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 70d0cecac2cbd2dd (1 x Glupteba)
Reporter JaffaCakes118
Tags:Glupteba

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
A76DA5F0B3BCF59891821977328240B2.exe
Verdict:
No threats detected
Analysis date:
2023-05-13 20:32:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/03dbc704-a1ef-4279-9e73-0b1f316104bb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/388931/
Detection(s):
Win.Dropper.Tofsee-10001664-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Sending an HTTP GET request
Launching a service
Launching the default Windows debugger (dwwin.exe)
Creating a file in the Windows subdirectories
Running batch commands
Launching the process to change the firewall settings
Searching for synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay packed
Link:
https://www.filescan.io/uploads/645ff310e6ddc946fb82156f/reports/7c20d784-35e0-46c8-943f-5b02e52569c8/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/fc6b1d6a4d1aa5b2532dad1011db9a0bbf549e56e168061f56c5b5d755bd0ed4
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:
Dsefix
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f062b700-a418-45cf-a979-03cd072b8064
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1232224
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an autostart registry key pointing to binary in C:\Windows
Creates files in the system32 config directory
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found Tor onion address
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Query firmware table information (likely to detect VMs)
Sigma detected: Schedule system process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 865202 Sample: hBBWoKeVtu.exe Startdate: 13/05/2023 Architecture: WINDOWS Score: 100 109 Malicious sample detected (through community Yara rule) 2->109 111 Antivirus detection for URL or domain 2->111 113 Antivirus / Scanner detection for submitted sample 2->113 115 6 other signatures 2->115 11 hBBWoKeVtu.exe 13 2->11         started        14 csrss.exe 2->14         started        16 svchost.exe 2->16         started        18 11 other processes 2->18 process3 signatures4 131 Detected unpacking (changes PE section rights) 11->131 133 Detected unpacking (overwrites its own PE header) 11->133 135 Modifies the windows firewall 11->135 137 Drops PE files with benign system names 11->137 20 hBBWoKeVtu.exe 8 2 11->20         started        24 powershell.exe 22 11->24         started        26 cmd.exe 14->26         started        139 Changes security center settings (notifications, updates, antivirus, firewall) 16->139 28 MpCmdRun.exe 16->28         started        141 Query firmware table information (likely to detect VMs) 18->141 30 cmd.exe 18->30         started        32 powershell.exe 18->32         started        process5 file6 103 C:\Windows\rss\csrss.exe, PE32 20->103 dropped 129 Creates an autostart registry key pointing to binary in C:\Windows 20->129 34 csrss.exe 20->34         started        38 cmd.exe 1 20->38         started        48 3 other processes 20->48 40 conhost.exe 24->40         started        42 fodhelper.exe 26->42         started        50 3 other processes 26->50 44 conhost.exe 28->44         started        52 4 other processes 30->52 46 conhost.exe 32->46         started        signatures7 process8 dnsIp9 105 75c2815a-303e-4627-8274-7cac6b1dbd95.uuid.cdneurop.cloud 34->105 117 Antivirus detection for dropped file 34->117 119 Multi AV Scanner detection for dropped file 34->119 121 Detected unpacking (changes PE section rights) 34->121 127 3 other signatures 34->127 54 powershell.exe 34->54         started        56 schtasks.exe 34->56         started        58 schtasks.exe 34->58         started        69 2 other processes 34->69 123 Uses netsh to modify the Windows network and firewall settings 38->123 60 netsh.exe 3 38->60         started        63 conhost.exe 38->63         started        107 192.168.2.1 unknown unknown 42->107 125 Drops executables to the windows directory (C:\Windows) and starts them 42->125 65 csrss.exe 42->65         started        71 3 other processes 48->71 67 csrss.exe 52->67         started        signatures10 process11 signatures12 73 conhost.exe 54->73         started        75 conhost.exe 56->75         started        77 conhost.exe 58->77         started        143 Creates files in the system32 config directory 60->143 79 csrss.exe 65->79         started        81 powershell.exe 65->81         started        83 csrss.exe 67->83         started        85 powershell.exe 67->85         started        87 conhost.exe 69->87         started        89 conhost.exe 69->89         started        process13 process14 91 powershell.exe 79->91         started        93 conhost.exe 81->93         started        95 powershell.exe 83->95         started        97 conhost.exe 85->97         started        process15 99 conhost.exe 91->99         started        101 conhost.exe 95->101         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc6b1d6a4d1aa5b2532dad1011db9a0bbf549e56e168061f56c5b5d755bd0ed4/
Threat name:
Win32.Trojan.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2023-05-13 01:12:46 UTC
File Type:
PE (Exe)
Extracted files:
58
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7rvr22sndks3euznvuibdw42bo7vjhsw4fuamh2wyw25ovn5b3ka._file
Verdict:
malicious
Result
Malware family:
glupteba
Create hunting rule
Score:
  10/10
Tags:
family:glupteba discovery dropper evasion loader persistence rootkit trojan upx
Link:
https://tria.ge/reports/230513-y9j6jabe81/
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Adds Run key to start application
Checks installed software on the system
Manipulates WinMon driver.
Manipulates WinMonFS driver.
Executes dropped EXE
Loads dropped DLL
UPX packed file
Windows security modification
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
Glupteba
Glupteba payload
Windows security bypass
Gathering data
Malware family:
Glupteba
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fc6b1d6a4d1a/report/overview.html
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/fc6b1d6a4d1aa5b2532dad1011db9a0bbf549e56e168061f56c5b5d755bd0ed4

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:crime_ZZ_botnet_aicm
Create hunting rule
Author:imp0rtp3
Description:DDoS Golang Botnet sample for linux called 'aicm'
Reference:https://twitter.com/IntezerLabs/status/1401869234511175683
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:Glupteba
Create hunting rule
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables containing artifcats associated with disabling Widnows Defender
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many varying, potentially fake Windows User-Agents
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:SUSP_Websites
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the reference of suspicious sites that might be used to download further malware
Rule name:UroburosVirtualBoxDriver
Create hunting rule
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:yara_template
Create hunting rule

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/388931/

Comments