MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1978a7e6c8390d695f802e4a621929f601cbfc18dbee7b2e11c6075485a4ab7. 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


RustyStealer


Vendor detections: 16


Intelligence 16 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1978a7e6c8390d695f802e4a621929f601cbfc18dbee7b2e11c6075485a4ab7
SHA3-384 hash: 305365cec0df5366e3230df2b59a9757e2db9ff79f0c218b0071d935b47f8bc3a129e745b76f206290b65acd13bcfd09
SHA1 hash: 0b0c2d44d2337092d76ce74fa81dad78d9d0cf46
MD5 hash: ecf29a4e68bd306997b48a43c7193dff
humanhash: comet-alabama-indigo-april
File name:Setup_x32_x64.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:32'064'898 bytes
First seen:2025-12-15 20:45:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d5b6c89a890635218157908ec7f3427 (2 x RustyStealer)
ssdeep 12288:TJv/apqsUg4pxEaLSJKRRN4mrY10WtUMFNU:TJvNS4pxEauJKRR65tUMFNU
TLSH T16F67B0B7B1956CB8F352C03D8217D17BAF3AB5872612AFB716A888306F53AD12F04745
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter burger
Tags:exe MaskGramStealer RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Vertan.rar
Verdict:
Malicious activity
Analysis date:
2025-12-15 20:41:54 UTC
Tags:
stealer
Link:
https://app.any.run/tasks/08592090-619e-4574-b4d4-f1de7524f848

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=6940739dad11cfef330d8547
Tags:
ransomware virus crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Sending an HTTP GET request
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Launching the default Windows debugger (dwwin.exe)
Query of malicious DNS domain
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug overlay overlay packed
Link:
https://www.filescan.io/uploads/69407396e126b9ff43812f2e/reports/6dfae351-4b67-4736-9e75-742f77fc11b1/overview
Verdict:
Malicious
Labled as:
Win64/GenKryptik.HNRD trojan
Link:
https://www.hybrid-analysis.com/sample/e1978a7e6c8390d695f802e4a621929f601cbfc18dbee7b2e11c6075485a4ab7
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-15T17:49:00Z UTC
Last seen:
2025-12-15T19:57:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Vidar.exi Trojan-PSW.Vidar.HTTP.C&C BSS:Worm.Win32.BSS.ScreenLock BSS:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/e1978a7e6c8390d695f802e4a621929f601cbfc18dbee7b2e11c6075485a4ab7/results?tab=lookup
Result
Threat name:
MaskGram Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1833457
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Leaks process information
Malicious sample detected (through community Yara rule)
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: 1833457 Sample: Setup_x32_x64.exe Startdate: 15/12/2025 Architecture: WINDOWS Score: 100 27 hazystripe2004.shop 2->27 29 www.chess.com 2->29 31 6 other IPs or domains 2->31 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected MaskGram Stealer 2->49 51 Unusual module load detection (module proxying) 2->51 53 2 other signatures 2->53 8 Setup_x32_x64.exe 501 1 2->8         started        signatures3 process4 dnsIp5 39 hazystripe2004.shop 104.21.55.158, 49718, 49744, 49745 CLOUDFLARENETUS United States 8->39 41 www.chess.com 104.18.137.67, 443, 49717 CLOUDFLARENETUS United States 8->41 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 8->55 57 Found many strings related to Crypto-Wallets (likely being stolen) 8->57 59 Tries to harvest and steal ftp login credentials 8->59 61 8 other signatures 8->61 12 chrome.exe 9 8->12         started        16 msedge.exe 4 8->16         started        18 conhost.exe 8->18         started        signatures6 process7 dnsIp8 43 192.168.2.4, 138, 443, 49710 unknown unknown 12->43 45 192.168.2.24 unknown unknown 12->45 63 Found many strings related to Crypto-Wallets (likely being stolen) 12->63 20 chrome.exe 12->20         started        23 chrome.exe 12->23         started        25 msedge.exe 16->25         started        signatures9 process10 dnsIp11 33 108.177.122.94, 443, 49728, 49733 GOOGLEUS United States 20->33 35 googlehosted.l.googleusercontent.com 172.253.124.132, 443, 49734, 49735 GOOGLEUS United States 20->35 37 7 other IPs or domains 20->37
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e1978a7e6c8390d695f802e4a621929f601cbfc18dbee7b2e11c6075485a4ab7
Gathering data
Verdict:
Malicious
Threat:
Family.MASKGRAM_STEALER
Link:
https://tip.neiki.dev/file/e1978a7e6c8390d695f802e4a621929f601cbfc18dbee7b2e11c6075485a4ab7
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-12-15 20:45:18 UTC
File Type:
PE+ (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4glyu7tmqoinnfpyalskmimst5qbzp6brw7opmxbdrqhksc2jk3q._file
Verdict:
malicious
Label(s):
maskgramstealer
Create hunting rule
Similar samples:
error
RustyStealer
Result
Malware family:
maskgram_stealer
Create hunting rule
Score:
  10/10
Tags:
family:maskgram_stealer discovery spyware stealer
Link:
https://tria.ge/reports/251215-zkdswsbt9g/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects MaskGramStealer payload
MaskGramStealer
Maskgram_stealer family
Verdict:
Suspicious
Tags:
Suspicious_POST_body
YARA:
n/a
Link:
https://app.threat.zone/submission/9daf45b3-0e4a-42d6-8a6f-0f52e9bbb052
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1978a7e6c83/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/e1978a7e6c8390d695f802e4a621929f601cbfc18dbee7b2e11c6075485a4ab7

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:Check_Debugger
Create hunting rule
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Hacktool_DinvokeRust_512d3b59
Create hunting rule
Author:Elastic Security

File information

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

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