MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 57be639cf84bea56ebb2373cc01d65639c15cbc24bb0a5d45e75350e518267a1. 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
SheetRAT
Vendor detections: 17
| SHA256 hash: | 57be639cf84bea56ebb2373cc01d65639c15cbc24bb0a5d45e75350e518267a1 |
|---|---|
| SHA3-384 hash: | 4640ecfe1c0f178f8ada0c5ed7c8dbda2aafa61ddcd95a145cf6bd77ab9ea1dd54d6ec4a2a0f928627340296fd7369e8 |
| SHA1 hash: | c4992d096a11ad8f7b4157c0817e09c10e5460e1 |
| MD5 hash: | d3e043be6b577b2c25385f91c60427cd |
| humanhash: | bluebird-michigan-artist-angel |
| File name: | BootstrapperNew .exe |
| Download: | download sample |
| Signature | SheetRAT |
| File size: | 6'514'176 bytes |
| First seen: | 2025-12-23 12:23:30 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 196608:l3d0ka20TDCam0wHLeDB+UrssFDx7a/jx:3I2QDCamtHLeDB+UrsaDx7ojx |
| Threatray | 8 similar samples on MalwareBazaar |
| TLSH | T186663394A063C7E7D13F75B52A234F317DFF618C18EA7A1D89097FF01A21A8648E7819 |
| TrID | 56.5% (.EXE) Win64 Executable (generic) (10522/11/4) 11.0% (.ICL) Windows Icons Library (generic) (2059/9) 10.9% (.EXE) OS/2 Executable (generic) (2029/13) 10.7% (.EXE) Generic Win/DOS Executable (2002/3) 10.7% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  burger |
| Tags: | exe SheetRat |
Intelligence
File Origin
# of uploads :
1
# of downloads :
93
Origin country :
NLVendor Threat Intelligence
Malware configuration found for:
EvilCoder
Details
EvilCoder
extracted components, their filepaths, and possibly registry installation
Malware family:
n/a
ID:
1
File name:
BootstrapperNew.exe
Verdict:
No threats detected
Analysis date:
2025-12-23 12:23:23 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
70%
Tags:
dropper packed spawn
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
installer-heuristic packed reconnaissance tiny vbnet venomrat
Verdict:
Malicious
Labled as:
Backdoor.Marte.VenomRAT.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-22T19:17:00Z UTC
Last seen:
2025-12-23T10:05:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Revenge.gen HEUR:Backdoor.MSIL.Crysan.gen PDM:Trojan-Dropper.Win32.Dorifel.a.3 PDM:Trojan.Win32.Generic Trojan.Win32.Vimditator.sb
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
SheetRat
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Yara detected Costura Assembly Loader
Yara detected SheetRat
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.21 Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.SHEETRAT
Threat name:
ByteCode-MSIL.Backdoor.MarteVenomRAT
Status:
Malicious
First seen:
2025-12-23 12:23:25 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
27 of 36 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_063
Similar samples:
Result
Malware family:
sheetrat
Score:
10/10
Tags:
family:sheetrat execution persistence trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Checks computer location settings
Executes dropped EXE
Detects Sheetrat obfuscated V2.0 and higher
Modifies WinLogon for persistence
Sheetrat family
Sheetrat, NonEuclid rat
Malware Config
C2 Extraction:
ImTHEBEST-33138.portmap.host:33138
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
57be639cf84bea56ebb2373cc01d65639c15cbc24bb0a5d45e75350e518267a1
MD5 hash:
d3e043be6b577b2c25385f91c60427cd
SHA1 hash:
c4992d096a11ad8f7b4157c0817e09c10e5460e1
SH256 hash:
f06a9ae652e9d205f50893a56ab5ae830789cbfb427c26a729bb9916d51923ac
MD5 hash:
80edc0b1644c8db8eb39be2371d59a36
SHA1 hash:
3456f3f71a4f31fe67cc4e4ecec9dbf903218d58
Detections:
INDICATOR_EXE_Packed_Fody
SH256 hash:
21ab8b24fb0e14bc1673639aecccd1aa4fdb903a43686be9083d46e2bf32da14
MD5 hash:
047f4544f53699b117ce522f5d09fab8
SHA1 hash:
44e610648bf9100247f8f15198f10a55696603f7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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