MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2d70c5995f91858106c6f0db643d4eed9eafff7a8b552109421a1a328257c0c. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
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SHA256 hash: a2d70c5995f91858106c6f0db643d4eed9eafff7a8b552109421a1a328257c0c
SHA3-384 hash: 18836313580625e8e02b20f6592458c2bcbafeb01d8351e7dcd24e19980d1cf4c0bc85ec1cd9a4c1ee01305af186e3d0
SHA1 hash: c1a0b85a9dc8f1f82aea21774afd4efbb586bcca
MD5 hash: 8b871f5a085520e2620ee9ab57b8e5d4
humanhash: aspen-speaker-indigo-skylark
File name:Externall2.4.exe
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:12'101'050 bytes
First seen:2026-01-03 20:13:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (42 x BlankGrabber, 21 x Efimer, 17 x PythonStealer)
ssdeep 196608:zhQgTSJIeRo+jFgaIAjNyMzEltbW897GGr1LDsBTG9WdSWQta/R6:lauSfdjcMo1N3sB1sWQ4A
TLSH T137C63318626044DDF8E3D13B698110D2B7F2B5241B31CADF1BA892993F5BAF29D3CA45
TrID 66.6% (.EXE) InstallShield setup (43053/19/16)
16.2% (.EXE) Win64 Executable (generic) (10522/11/4)
7.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.1% (.EXE) OS/2 Executable (generic) (2029/13)
3.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter burger
Tags:exe MaskGramStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
PyInstaller
a compiled assembly and a Python version
Link:
https://research.acce.ciphertechsolutions.com/results/0d6b4da7-e4b7-4a18-b814-d58259be90e6/
Malware family:
n/a
ID:
1
File name:
Externall2.4.exe
Verdict:
Malicious activity
Analysis date:
2026-01-03 20:12:18 UTC
Tags:
telegram stealer yero worm python uac svitstealer maskgramstealer
Link:
https://app.any.run/tasks/bac13559-0ab1-495a-a28d-e9caba51f579

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/47395/
Detection(s):
SecuriteInfo.com.Variant.Application.Tedy.3948.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69597834e148d42004df0341
Tags:
installer extens virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Creating a file
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Behavior that indicates a threat
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:
expand installer-heuristic lolbin microsoft_visual_cc overlay overlay packed packed pyinstaller pyinstaller python
Link:
https://www.filescan.io/uploads/695978942fb7bb52ca8614f2/reports/4a019200-cb3c-4dc7-882f-c784656dff61/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a2d70c5995f91858106c6f0db643d4eed9eafff7a8b552109421a1a328257c0c
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-30T07:34:00Z UTC
Last seen:
2026-01-04T11:18:00Z UTC
Hits:
~100
Detections:
HEUR:Exploit.Python.BypassUAC.e HEUR:Exploit.Python.BypassUAC.d
Link:
https://opentip.kaspersky.com/a2d70c5995f91858106c6f0db643d4eed9eafff7a8b552109421a1a328257c0c/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a893a432-e1d2-4b97-930e-222d82c9b3c9
Result
Threat name:
MaskGram Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1844289
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Writes to foreign memory regions
Yara detected MaskGram Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844289 Sample: Externall2.4.exe Startdate: 03/01/2026 Architecture: WINDOWS Score: 100 49 velvetpaw2031.cfd 2->49 51 www.chess.com 2->51 53 4 other IPs or domains 2->53 69 Antivirus detection for URL or domain 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Yara detected MaskGram Stealer 2->73 75 3 other signatures 2->75 10 Externall2.4.exe 33 2->10         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 10->33 dropped 35 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 10->35 dropped 37 C:\Users\user\AppData\Local\...\python314.dll, PE32+ 10->37 dropped 39 15 other files (none is malicious) 10->39 dropped 13 Externall2.4.exe 3 10->13         started        process6 file7 41 C:\Users\user\AppData\Local\...\tmp7428.exe, PE32+ 13->41 dropped 16 tmp7428.exe 1 13->16         started        process8 dnsIp9 43 velvetpaw2031.cfd 172.67.216.102, 49721, 49726, 49738 CLOUDFLARENETUS United States 16->43 45 t.me 149.154.167.99, 443, 49718 TELEGRAMRU United Kingdom 16->45 47 2 other IPs or domains 16->47 61 Multi AV Scanner detection for dropped file 16->61 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->63 65 Found many strings related to Crypto-Wallets (likely being stolen) 16->65 67 8 other signatures 16->67 20 chrome.exe 2 16->20         started        24 msedge.exe 4 16->24         started        26 conhost.exe 16->26         started        signatures10 process11 dnsIp12 55 192.168.2.4, 138, 443, 49711 unknown unknown 20->55 77 Found many strings related to Crypto-Wallets (likely being stolen) 20->77 28 chrome.exe 20->28         started        31 msedge.exe 24->31         started        signatures13 process14 dnsIp15 57 googlehosted.l.googleusercontent.com 172.253.124.132, 443, 49736, 49737 GOOGLEUS United States 28->57 59 clients2.googleusercontent.com 28->59
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a2d70c5995f91858106c6f0db643d4eed9eafff7a8b552109421a1a328257c0c
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/8b871f5a085520e2620ee9ab57b8e5d4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2d70c5995f91858106c6f0db643d4eed9eafff7a8b552109421a1a328257c0c/
Verdict:
Malicious
Threat:
Family.SVITSTEALER
Link:
https://tip.neiki.dev/file/a2d70c5995f91858106c6f0db643d4eed9eafff7a8b552109421a1a328257c0c
Threat name:
Win64.Trojan.Etset
Create hunting rule
Status:
Malicious
First seen:
2025-12-30 12:24:43 UTC
File Type:
PE+ (Exe)
Extracted files:
371
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ullqywmv7emfqedmn4g3mq6u53m6v77xvc2veeeuegq2gkbfpqga._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery pyinstaller spyware stealer
Link:
https://tria.ge/reports/260106-kjcf4sylbn/
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 AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
System Time Discovery
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b73c69cb-30b5-43ea-8948-1ca07faeb0fa
Unpacked files
SH256 hash:
a2d70c5995f91858106c6f0db643d4eed9eafff7a8b552109421a1a328257c0c
MD5 hash:
8b871f5a085520e2620ee9ab57b8e5d4
SHA1 hash:
c1a0b85a9dc8f1f82aea21774afd4efbb586bcca
Link:
https://www.unpac.me/results/39962a3b-9f52-4c16-979f-1fb11f2df0d9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2d70c5995f9/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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

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/47395/

Comments