MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a
SHA3-384 hash: af151b5af2818bfb9627bac7b930b27153e2909fc4171c0f8a9efe4ab76135edcfa3d2f21d4645072a53b8a8d34e4b29
SHA1 hash: 24e46d6b9a5da3734700a1679e87d50eceaa3c19
MD5 hash: a6dbc43ac46c27171a3bcd5d6f8d3e01
humanhash: queen-echo-ack-arizona
File name:file
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:2'386'432 bytes
First seen:2025-11-23 12:14:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (92 x Rhadamanthys, 69 x Vidar, 41 x LummaStealer)
ssdeep 24576:kES6k8UM6ZZsK5pKZ1RFCOIjMqVXF/YhBLYLVMfmMWHSGmcoeleTNj4HGu2+oc3u:kESR/MKsKbKrXVIVXRcB3UmPD
TLSH T164B55A4BFCA218FAC0A9A27088726195BB61BC451F3123D73E90B7B82FB2BD05D75754
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 Bitsight
Tags:dropped-by-amadey exe fbf543 MaskGramStealer


Avatar
Bitsight
url: http://178.16.55.189/files/8491832671/VsquAV7.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-11-23 12:14:23 UTC
Tags:
stealer golang
Link:
https://app.any.run/tasks/baaf03b5-60ca-42f3-8393-2d0283a66ac7

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/41112/
Gathering data
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 crypto golang
Link:
https://www.filescan.io/uploads/6922fae1eecb08e4aa45be5a/reports/95d56d14-d746-4bfe-acce-dcdcfdca4d68/overview
Verdict:
Malicious
Labled as:
WinGo/ShellcodeRunner.UG trojan
Link:
https://www.hybrid-analysis.com/sample/2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan-PSW.Vidar.HTTP.C&C Trojan.Win64.DonutInjector.sb Trojan.Win64.Donut.sb Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/a6dbc43ac46c27171a3bcd5d6f8d3e01
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a/
Verdict:
Malicious
Threat:
Trojan.Win64.Donut
Link:
https://tip.neiki.dev/file/2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a
Threat name:
Win64.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 12:14:24 UTC
File Type:
PE+ (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fus3xbq4xmzroye55izerdyi2okfcbbmsvpkpapcist4rbnn6mna._file
Verdict:
malicious
Label(s):
donutloader
Create hunting rule
maskgramstealer
Create hunting rule
Similar samples:
error
MaskGramStealer
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/251123-pe5djszrcn/
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 Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3687675e-66fb-4515-97f7-01dfb3fabffb
Unpacked files
SH256 hash:
2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a
MD5 hash:
a6dbc43ac46c27171a3bcd5d6f8d3e01
SHA1 hash:
24e46d6b9a5da3734700a1679e87d50eceaa3c19
Link:
https://www.unpac.me/results/444d876b-005a-4f25-a195-f4905fc494df/
Malware family:
DonutLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2d25bb861cbb/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: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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
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: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:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
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: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.

Web download

MaskGramStealer

Executable exe 2d25bb861cbb3317609dea32488f08d39451042c955ea781e244a7c885adf31a

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3714958/
Cape
Cape
https://www.capesandbox.com/analysis/41112/

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