MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4b6426609af09c79368ff80f342017e89722353a2998378fbac0fb88af32b3c3. 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
| SHA256 hash: | 4b6426609af09c79368ff80f342017e89722353a2998378fbac0fb88af32b3c3 |
|---|---|
| SHA3-384 hash: | 6d562fc48e9731f604f6d18556f9292c06d19f243a76d3bfaecbdf06d9e036f8e54aaf7502c42f089045c8e7201e32ae |
| SHA1 hash: | f30184bc87086aa0dbaa3b597e08062202db4afa |
| MD5 hash: | a3e236c6b0528d95bdc69d4b8802d5b5 |
| humanhash: | undress-orange-princess-two |
| File name: | file |
| Download: | download sample |
| Signature | MaskGramStealer |
| File size: | 2'726'992 bytes |
| First seen: | 2025-11-20 07:23:42 UTC |
| Last seen: | 2025-11-20 09:13:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | dc6b57a7282f87959d9942f26d5c0b74 (34 x MaskGramStealer) |
| ssdeep | 49152:hXMPwYwJ7KsY5FsLVEIUO4nVCWJdG8Y+p5H/oXgOENaVRuoKxtmPsuQ:Bho7COOBWjXYKN/oXg/NaVRhytIQ |
| Threatray | 716 similar samples on MalwareBazaar |
| TLSH | T190C5232D3564004FE5FA6EB28588422A76117CFA7EA7B79F311A3B097F336406E8145E |
| TrID | 38.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.6% (.ICL) Windows Icons Library (generic) (2059/9) 15.4% (.EXE) OS/2 Executable (generic) (2029/13) 15.2% (.EXE) Generic Win/DOS Executable (2002/3) 15.2% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | dropped-by-amadey exe fbf543 MaskGramStealer |
Intelligence
File Origin
# of uploads :
4
# of downloads :
101
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4b6426609af09c79368ff80f342017e89722353a2998378fbac0fb88af32b3c3.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-11-20 07:23:02 UTC
Tags:
themida svitstealer stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware crypt virus
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:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
invalid-signature mingw obfuscated packed packed signed themidawinlicense
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-20T04:28:00Z UTC
Last seen:
2025-11-22T03:53:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Vidar.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Vidar.ekh
Verdict:
Suspicious
Score:
84%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Win64.Malware.Heuristic
Threat name:
Win64.Trojan.Vidar
Status:
Malicious
First seen:
2025-11-20 07:23:34 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
25 of 38 (65.79%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
maskgramstealer
Similar samples:
+ 706 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
9/10
Tags:
defense_evasion discovery spyware stealer themida trojan
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
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4b6426609af09c79368ff80f342017e89722353a2998378fbac0fb88af32b3c3
MD5 hash:
a3e236c6b0528d95bdc69d4b8802d5b5
SHA1 hash:
f30184bc87086aa0dbaa3b597e08062202db4afa
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
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: | INDICATOR_EXE_Packed_Themida |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with Themida |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
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