MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934. 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: 14


Intelligence 14 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934
SHA3-384 hash: 1a3d767d023e33982969ba202e659882381af319d8e125c9193185637af2b148145cf59c5db2e4d97b6adfae9405f78d
SHA1 hash: 0eb6827878445d3e3e584b7f08067a7a4dc9e618
MD5 hash: e1d8325b086f91769120381b78626e2e
humanhash: sodium-lion-winter-sierra
File name:SecuriteInfo.com.Win64.CrypterX-gen.2144.26023
Download: download sample
Signature Glupteba
Create hunting rule
File size:570'320 bytes
First seen:2024-04-18 00:34:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:vWcj324ri1mvJnrOj1fiTvwG/APkmUETuegWaR0j:vWcj/rxvJnCj1aTviPkmZLJaR0j
Threatray 31 similar samples on MalwareBazaar
TLSH T180C4F121B3DC4A2BCBAF03BDA47814211BB0E257554BCB5F5D8498DE1C8BB855F22B93
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter SecuriteInfoCom
Tags:exe Glupteba signed

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-04-17T11:58:54Z
Valid to:2025-04-17T11:58:54Z
Serial number: cd8f27f53c159b486be6f49ad6ba7fae
Thumbprint Algorithm:SHA256
Thumbprint: a20268991adeb27fd9ccf3a4e4ed4684bc4abaf20802056bbeb6976c35075c6b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
463
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
glupteba
Create hunting rule
ID:
1
File name:
b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934.exe
Verdict:
Malicious activity
Analysis date:
2024-04-18 00:37:00 UTC
Tags:
opendir gcleaner loader stealer stealc evasion telnet privateloader trojan glupteba arechclient2 backdoor neoreklami xmrig
Link:
https://app.any.run/tasks/12bf14d8-0595-49e5-8659-b7f84c1fcd38

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request to an infection source
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a window
Blocking the User Account Control
Connection attempt to an infection source
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66206ab83137a4e0f3ba9aee/reports/4097cdee-c19f-47bf-a88a-d4303461b101/overview
Verdict:
Malicious
Labled as:
TR/AD.Nekark
Link:
https://www.hybrid-analysis.com/sample/b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bb8af32c-bff7-4352-b5b2-dc43c846bf81
Result
Threat name:
Glupteba, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1427735
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
Antivirus detection for dropped file
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Disables UAC (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the document folder of the user
Drops script or batch files to the startup folder
Exclude list of file types from scheduled, custom, and real-time scanning
Found direct / indirect Syscall (likely to bypass EDR)
Found Tor onion address
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected PureLog Stealer
Yara detected UAC Bypass using CMSTP
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1427735 Sample: SecuriteInfo.com.Win64.Cryp... Startdate: 18/04/2024 Architecture: WINDOWS Score: 100 120 Malicious sample detected (through community Yara rule) 2->120 122 Antivirus detection for dropped file 2->122 124 Multi AV Scanner detection for dropped file 2->124 126 14 other signatures 2->126 8 SecuriteInfo.com.Win64.CrypterX-gen.2144.26023.exe 1 3 2->8         started        11 cmd.exe 2->11         started        13 svchost.exe 2->13         started        15 3 other processes 2->15 process3 signatures4 152 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->152 154 Writes to foreign memory regions 8->154 156 Allocates memory in foreign processes 8->156 158 4 other signatures 8->158 17 CasPol.exe 15 168 8->17         started        22 powershell.exe 23 8->22         started        24 WerFault.exe 8->24         started        26 CasPol.exe 8->26         started        28 conhost.exe 11->28         started        30 oE07FMGKijbqRxoSOEfcVNr4.exe 11->30         started        32 WerFault.exe 13->32         started        process5 dnsIp6 98 5.42.64.17 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 17->98 100 107.167.110.211 OPERASOFTWAREUS United States 17->100 104 9 other IPs or domains 17->104 72 C:\Users\...\zMgiNzEE9vHMTa7pUx4El30p.exe, PE32+ 17->72 dropped 74 C:\Users\...\z2yKWzT0GXgmaQHim8qSwTt8.exe, PE32 17->74 dropped 76 C:\Users\...\ySa0tmdKXLMzZNFqxzPk3yl0.exe, PE32 17->76 dropped 78 177 other malicious files 17->78 dropped 128 Drops script or batch files to the startup folder 17->128 130 Creates HTML files with .exe extension (expired dropper behavior) 17->130 34 KI5P6OyhHMwNaNA4w0xtd3UY.exe 17->34         started        39 wjaGPzkDQjpdcbjBR9AwSFKW.exe 17->39         started        41 JPl4ZLOvy3fY5RSXGk5s9Gl5.exe 17->41         started        47 18 other processes 17->47 132 Loading BitLocker PowerShell Module 22->132 43 conhost.exe 22->43         started        45 WmiPrvSE.exe 22->45         started        102 20.189.173.21 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 24->102 file7 signatures8 process9 dnsIp10 106 93.186.225.194 VKONTAKTE-SPB-AShttpvkcomRU Russian Federation 34->106 108 95.142.206.1 VKONTAKTE-SPB-AShttpvkcomRU Russian Federation 34->108 114 19 other IPs or domains 34->114 80 C:\Users\...\zfmWdTyj1A0x7CDHTSCFc6P6.exe, PE32 34->80 dropped 82 C:\Users\...\xFUB9mqMmDXHB6bYEudfe3bz.exe, PE32 34->82 dropped 84 C:\Users\...\tk993DcPKxGC0yxEJOpWA4Uq.exe, PE32 34->84 dropped 92 21 other malicious files 34->92 dropped 134 Drops PE files to the document folder of the user 34->134 136 Creates HTML files with .exe extension (expired dropper behavior) 34->136 138 Disables Windows Defender (deletes autostart) 34->138 150 5 other signatures 34->150 94 6 other malicious files 39->94 dropped 49 Install.exe 39->49         started        116 3 other IPs or domains 41->116 86 C:\Users\user\AppData\Local\Temp\u63s.1.exe, PE32 41->86 dropped 88 C:\Users\user\AppData\Local\Temp\u63s.0.exe, PE32 41->88 dropped 90 C:\Users\user\...\serversystemNCQ_x64.exe, PE32 41->90 dropped 140 Detected unpacking (changes PE section rights) 41->140 142 Detected unpacking (overwrites its own PE header) 41->142 110 107.167.110.218 OPERASOFTWAREUS United States 47->110 112 107.167.125.189 OPERASOFTWAREUS United States 47->112 118 3 other IPs or domains 47->118 96 12 other malicious files 47->96 dropped 144 Found Tor onion address 47->144 146 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 47->146 148 Found direct / indirect Syscall (likely to bypass EDR) 47->148 52 T2RIU3FpH6dczIGTG32vuvvE.exe 47->52         started        54 syLcQZGPHHUJ3M0wbg0XxQZf.exe 47->54         started        56 T2RIU3FpH6dczIGTG32vuvvE.exe 47->56         started        58 2 other processes 47->58 file11 signatures12 process13 file14 60 C:\Users\user\AppData\Local\...\lIVrBSt.exe, PE32 49->60 dropped 62 Opera_installer_2404180036143868168.dll, PE32 52->62 dropped 64 Opera_installer_2404180036337438040.dll, PE32 54->64 dropped 66 Opera_installer_2404180036248045740.dll, PE32 56->66 dropped 68 Opera_installer_2404180036333922764.dll, PE32 58->68 dropped 70 Opera_installer_2404180036226544476.dll, PE32 58->70 dropped
Score:
61%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934/
Threat name:
Win64.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-17 15:06:07 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xes2xmmt44ad6stjebsbjd76pbaasybcurhu2wxeycv3lgripe2a._file
Verdict:
malicious
Similar samples:
05bcef8138fe660e6b755afb54117d5872829732fa017f0eb13a5cb1007122f6
Glupteba
365b52f01e2dbfe1a1aa18fa38866bca685510b0efadf0e42aebfd1caa7cc2c1
Glupteba
5157d8d5c583eea41772fb99793e13f9d7e3c3c2b0eb2cd876c65d1835cc8d8f
Glupteba
98b668f7457089866b6364c672e8dd35b12a24899eb80fdfcfc2a5aab8d9aa5b
Glupteba
ab4126229b73320d15647edcd1af5fbd138d651fa2869cc20be9845f70570e79
Glupteba
bfcf6d5227339dcf5e3a724db318f0f4b1b1ffe0635a94bc4555bb4a690a2750
Glupteba
ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e
Glupteba
+ 21 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:stealc family:zgrat discovery dropper evasion loader persistence ransomware rat rootkit spyware stealer trojan upx
Link:
https://tria.ge/reports/240418-axcnxseb61/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Drops Chrome extension
Drops desktop.ini file(s)
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Manipulates WinMon driver.
Manipulates WinMonFS driver.
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Blocklisted process makes network request
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
Detect ZGRat V1
Glupteba
Glupteba payload
Modifies firewall policy service
Stealc
UAC bypass
Windows security bypass
ZGRat
Unpacked files
SH256 hash:
b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934
MD5 hash:
e1d8325b086f91769120381b78626e2e
SHA1 hash:
0eb6827878445d3e3e584b7f08067a7a4dc9e618
Link:
https://www.unpac.me/results/b20f75c7-1b24-4491-82c4-781c1f473c6b/
Malware family:
Glupteba
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b925abb193e7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Web download

Glupteba

Executable exe b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2812590/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2817450/

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments