MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3bcbd59e3ebbc3b5ecc7289d8ed6780c282158598c00af265622b2ee6485e2b. 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: 16


Intelligence 16 IOCs YARA 31 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3bcbd59e3ebbc3b5ecc7289d8ed6780c282158598c00af265622b2ee6485e2b
SHA3-384 hash: 3d9d350a58f134587caad791a6d00d943cb23ecd2241738e8b65cdd1ee1c8e8c2c2291f0bd5bd24eb993da0dff06017e
SHA1 hash: 386eb465e75b6a2305fd1f3e88b5ab28acb4093c
MD5 hash: 80a87fb8cc8973208d110a4684791ea0
humanhash: indigo-robin-kentucky-tango
File name:Bypass.exe
Download: download sample
Signature Glupteba
Create hunting rule
File size:9'402'880 bytes
First seen:2025-01-23 14:50:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f2f006e2ecf7172ad368f8289dc96c1 (40 x LummaStealer, 20 x SalatStealer, 17 x CobaltStrike)
ssdeep 98304:iuakReLm4Ibn0blIERXDnzGx+Y1fhyQxmEzNRcOTEe:e8Hbn0blIE07yWzNRc
TLSH T1A8962947ECA546E4C0EAD575CA669653BE713C884B3063D36B50F7282F37BD0AAB9700
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter aachum
Tags:exe PentagonStealer


Avatar
iamaachum
Pentagon C2: https://pentagon.cy

Intelligence

File Origin
# of uploads :
1
# of downloads :
435
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://github.com/Frolowbokk/TelegramBlumBot
Verdict:
Malicious activity
Analysis date:
2025-01-23 11:32:38 UTC
Tags:
telegram stealer miner
Link:
https://app.any.run/tasks/10345e59-46a2-4800-8adf-38155af255b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679257d1e708b6e7a3b07466
Tags:
infosteal virus crypt sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
Creating a file in the %AppData% subdirectories
Launching a tool to kill processes
Forced shutdown of a browser
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto golang
Link:
https://www.filescan.io/uploads/6792575db9aa70e293fdde1f/reports/55d611a7-1655-4c48-8d76-e472a4c28f41/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b3bcbd59e3ebbc3b5ecc7289d8ed6780c282158598c00af265622b2ee6485e2b
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:
Malicious
Link:
https://analyze.intezer.com/analyses/75b2d886-e352-4d90-89ee-73975be8b1db
Result
Threat name:
n/a
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1597679
Signature
Attempt to bypass Chrome Application-Bound Encryption
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1597679 Sample: Bypass.exe Startdate: 23/01/2025 Architecture: WINDOWS Score: 92 27 pentagon.cy 2->27 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Found Tor onion address 2->37 39 2 other signatures 2->39 8 Bypass.exe 10 2->8         started        signatures3 process4 dnsIp5 29 pentagon.cy 104.21.112.1, 443, 49759, 49767 CLOUDFLARENETUS United States 8->29 31 127.0.0.1 unknown unknown 8->31 25 C:\Users\user\AppData\...\cookies-copy.sqlite, SQLite 8->25 dropped 41 Attempt to bypass Chrome Application-Bound Encryption 8->41 43 Found many strings related to Crypto-Wallets (likely being stolen) 8->43 45 Found Tor onion address 8->45 47 3 other signatures 8->47 13 msedge.exe 5 8->13         started        15 chrome.exe 8->15         started        17 taskkill.exe 1 8->17         started        19 3 other processes 8->19 file6 signatures7 process8 process9 21 msedge.exe 13->21         started        23 chrome.exe 15->23         started       
Score:
69%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/b3bcbd59e3ebbc3b5ecc7289d8ed6780c282158598c00af265622b2ee6485e2b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3bcbd59e3ebbc3b5ecc7289d8ed6780c282158598c00af265622b2ee6485e2b/
Threat name:
Win64.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2025-01-19 16:54:06 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wo6l2wpd5o6dwxwmoke5r3lhqdbiefmftdaav4tfmivs5zsilyvq._file
Result
Malware family:
pentagonstealer
Create hunting rule
Score:
  10/10
Tags:
family:pentagonstealer credential_access spyware stealer
Link:
https://tria.ge/reports/250123-r757nasrdt/
Behaviour
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Uses browser remote debugging
Malware Config
C2 Extraction:
https://pentagon.cy
Verdict:
Malicious
Tags:
dropper glupteba
YARA:
Glupteba
Link:
https://app.threat.zone/submission/573b1475-c48b-488e-b0e6-cb61a92b8904
Unpacked files
SH256 hash:
b3bcbd59e3ebbc3b5ecc7289d8ed6780c282158598c00af265622b2ee6485e2b
MD5 hash:
80a87fb8cc8973208d110a4684791ea0
SHA1 hash:
386eb465e75b6a2305fd1f3e88b5ab28acb4093c
Detections:
Sliver
Create hunting rule
Link:
https://www.unpac.me/results/0c73fa2d-65cd-4844-af7a-6e3964b9b0b7/
Malware family:
CryptBot.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3bcbd59e3eb/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/b3bcbd59e3ebbc3b5ecc7289d8ed6780c282158598c00af265622b2ee6485e2b

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:aix
Create hunting rule
Author:Tim Brown @timb_machine
Description:AIX binary
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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:grakate_stealer_nov_2021
Create hunting rule
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_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:Macos_Infostealer_Wallets_8e469ea0
Create hunting rule
Author:Elastic Security
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multi_Generic_Threat_19854dc2
Create hunting rule
Author:Elastic Security
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Glupteba

Executable exe 8578846ede366f0408345227eac93e186ab1af6b6937209fecb7b4de117a098a

Glupteba

Executable exe b3bcbd59e3ebbc3b5ecc7289d8ed6780c282158598c00af265622b2ee6485e2b

(this sample)

  
Link
https://tria.ge/250123-r4btmsvjel/
  
Dropped by
SHA256 8578846ede366f0408345227eac93e186ab1af6b6937209fecb7b4de117a098a
  
Dropped by
MD5 c6a17f436fd10da6775f69183b20630c

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetSystemDirectoryA

Comments