MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 76b195b07a76037ca585b760bcf61462e836cc7ae990200e03c1bf7cec9695d5. 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: 12
| SHA256 hash: | 76b195b07a76037ca585b760bcf61462e836cc7ae990200e03c1bf7cec9695d5 |
|---|---|
| SHA3-384 hash: | f38d0cc421df6fd0aebd8b5988a968e1f455751c0e5133c493bab123a40e32d24cea3ace001d3e4a2faa585c13b6cedd |
| SHA1 hash: | ff3118258cfc3f2973238cbbcac6d72f530241c0 |
| MD5 hash: | 429452932f97ce51f0ef8b437d8c2c5c |
| humanhash: | monkey-snake-enemy-eight |
| File name: | multi_readme_enc.exe |
| Download: | download sample |
| Signature | RustyStealer |
| File size: | 15'570'944 bytes |
| First seen: | 2025-12-06 17:30:33 UTC |
| Last seen: | 2025-12-07 10:35:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a0d042903cdca7ad69043e384147e80a (9 x RustyStealer) |
| ssdeep | 49152:eMe4BDCy6+TbpmhQGSyqQxcCkfe2VR0WhTP6F8fTo4:eMe4yQGSyYR3T |
| Threatray | 41 similar samples on MalwareBazaar |
| TLSH | T1CBF6E8E85DC858A1D257F83976997EF411323197EADB1E90C37CF9610D7EAB2AE0090C |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  juroots |
| Tags: | exe RustyStealer |
Intelligence
File Origin
# of uploads :
3
# of downloads :
74
Origin country :
CHVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
multi_readme_enc.exe
Verdict:
Malicious activity
Analysis date:
2025-12-06 18:09:29 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:
99.9%
Tags:
vmdetect virus sage blic
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm mingw obfuscated packed packed vmprotect
Verdict:
Malicious
Labled as:
Ransom/Filecoder.ed
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-06T15:27:00Z UTC
Last seen:
2025-12-07T01:41:00Z UTC
Hits:
~100
Verdict:
Unknown
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Sonbokli
Status:
Malicious
First seen:
2025-12-06 14:57:21 UTC
File Type:
PE+ (Exe)
AV detection:
6 of 24 (25.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
genericransomware
Similar samples:
+ 31 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
credential_access defense_evasion discovery execution impact ransomware spyware stealer
Behaviour
Interacts with shadow copies
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Browser Information Discovery
Enumerates connected drives
Credentials from Password Stores: Windows Credential Manager
Reads user/profile data of web browsers
Deletes shadow copies
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
76b195b07a76037ca585b760bcf61462e836cc7ae990200e03c1bf7cec9695d5
MD5 hash:
429452932f97ce51f0ef8b437d8c2c5c
SHA1 hash:
ff3118258cfc3f2973238cbbcac6d72f530241c0
Verdict:
Malicious
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: | APT_PatchWork_BADNEWS_20211105 |
|---|---|
| Description: | Detects PatchWork Group RTF or BADNEWS |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | dependsonpythonailib |
|---|---|
| Author: | Tim Brown |
| Description: | Hunts for dependencies on Python AI libraries |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| Rule name: | Rustyloader_mem_loose |
|---|---|
| Author: | James_inthe_box |
| Description: | Corroded buerloader |
| Reference: | https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24 |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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