MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57. 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


MaskGramStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57
SHA3-384 hash: 40e8b1e18162450d132dd76255ca0e323fa006465cc53159145e6314b63b371073398b6ce03f5549ed687985ef5b21d0
SHA1 hash: 7c1741c50d325a4dc75e39e3ff4bf66d65d5b012
MD5 hash: df2ed84c265f7491d81c7927be1f4d27
humanhash: seventeen-vegan-johnny-five
File name:msedge_elf.dll
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:9'440'592 bytes
First seen:2025-12-10 12:38:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 11816731f87952ce23da086b67eb30cb (20 x Vidar, 2 x BazaLoader, 1 x Heodo)
ssdeep 49152:SagfF3QZWUYgBNbdtYfkfHZ7zPtcK1jpm0PeoLyP:UF3dQBNJ7q0PryP
TLSH T1BE961992F9814629C65BF238ADB062217771BD4903313AD76FEB06650CEABC4173FB19
gimphash ba92aee1ed672fb5eff7aea1a85e397ecfe32008ae6191e1444f62c984e816e0
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 burger
Tags:exe MaskGramStealer signed

Code Signing Certificate

Organisation:githab.com
Issuer:R13
Algorithm:sha256WithRSAEncryption
Valid from:2025-10-16T07:06:41Z
Valid to:2026-01-14T07:06:40Z
Serial number: 06811e3acd8227232ee58a61ecd714a9b643
Intelligence: 74 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 0dbb0ca013b3605c136c0050309ce1653019e0d8ad2a3b9017997888ab36e338
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Going
Details
Link:
https://research.acce.ciphertechsolutions.com/results/cb923515-8bc6-4d50-b895-a56405d779be/
Malware family:
n/a
ID:
1
File name:
msedge_elf.dll
Verdict:
Suspicious activity
Analysis date:
2025-12-10 12:36:45 UTC
Tags:
golang stealer maskgramstealer
Link:
https://app.any.run/tasks/44a75f96-2132-4fdd-b402-4feb2158caac

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/44155/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693969b7a675b653bd0fb810
Tags:
injection obfusc crypt
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57
Verdict:
Malicious
File Type:
dll x64
First seen:
2025-12-07T18:25:00Z UTC
Last seen:
2025-12-10T11:01:00Z UTC
Hits:
~100
Detections:
VHO:Trojan.Win64.Agent.gen Trojan-PSW.Vidar.HTTP.C&C Trojan.Win64.Agent.smfcoj Trojan.Win64.Agent.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b5d58fd7-f662-4713-82ae-e3c5c7e56b80
Result
Threat name:
MaskGram Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1830216
Signature
AI detected suspicious PE digital signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected MaskGram Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1830216 Sample: msedge_elf.dll.exe Startdate: 10/12/2025 Architecture: WINDOWS Score: 100 42 mossyden2011.sbs 2->42 44 www.chess.com 2->44 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 4 other signatures 2->64 9 loaddll64.exe 1 2->9         started        signatures3 process4 process5 11 rundll32.exe 9->11         started        14 rundll32.exe 501 9->14         started        17 rundll32.exe 9->17         started        19 5 other processes 9->19 dnsIp6 66 System process connects to network (likely due to code injection or exploit) 11->66 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->68 70 Tries to harvest and steal ftp login credentials 11->70 72 Tries to harvest and steal browser information (history, passwords, etc) 11->72 52 mossyden2011.sbs 172.67.217.15, 49720, 49722, 49724 CLOUDFLARENETUS United States 14->52 74 Writes to foreign memory regions 14->74 76 Allocates memory in foreign processes 14->76 78 Tries to steal Crypto Currency Wallets 14->78 21 chrome.exe 9 14->21         started        24 msedge.exe 4 14->24         started        80 Creates a thread in another existing process (thread injection) 17->80 82 Injects a PE file into a foreign processes 17->82 26 msedge.exe 17->26         started        28 rundll32.exe 501 19->28         started        signatures7 process8 dnsIp9 46 192.168.2.16 unknown unknown 21->46 48 192.168.2.4, 138, 443, 49527 unknown unknown 21->48 31 chrome.exe 21->31         started        34 chrome.exe 21->34         started        36 msedge.exe 24->36         started        50 www.chess.com 104.18.141.67, 443, 49717, 49718 CLOUDFLARENETUS United States 28->50 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->84 86 Tries to steal Crypto Currency Wallets 28->86 38 chrome.exe 28->38         started        40 msedge.exe 28->40         started        signatures10 process11 dnsIp12 54 googlehosted.l.googleusercontent.com 74.125.21.132, 443, 49733, 49734 GOOGLEUS United States 31->54 56 clients2.googleusercontent.com 31->56
Score:
38%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/df2ed84c265f7491d81c7927be1f4d27
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57/
Verdict:
Malicious
Threat:
Family.MASKGRAM_STEALER
Link:
https://tip.neiki.dev/file/59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-12-10 12:38:14 UTC
File Type:
PE+ (Dll)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lg4pl25ejf7k7lvyxqlloqdt2kuu6mkc4x6pshu6hu34mzwy7rlq._file
Result
Malware family:
maskgram_stealer
Create hunting rule
Score:
  10/10
Tags:
family:maskgram_stealer spyware stealer
Link:
https://tria.ge/reports/251210-pt66paet7a/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Badlisted process makes network request
Detects MaskGramStealer payload
MaskGramStealer
Maskgram_stealer family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/59cc5eef-a006-43c6-97db-c3c0ccd695bc
Unpacked files
SH256 hash:
59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57
MD5 hash:
df2ed84c265f7491d81c7927be1f4d27
SHA1 hash:
7c1741c50d325a4dc75e39e3ff4bf66d65d5b012
Link:
https://www.unpac.me/results/00b04fe1-663c-4278-95d2-656173842e6c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/59b8f5eba4497eafaeb8bc16b74073d2a94f3142e5fcf91e9e3d37c666d8fc57

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: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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
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: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:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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/44155/

Comments