MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61. 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: 10


Intelligence 10 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61
SHA3-384 hash: 8bceec8f9f95f4f8e80958fdd4e95e3a4c963661062b3446c24675a25d347c2d858dcce8da3193354b2cf6bd21735607
SHA1 hash: c2423a732cbbc194edfc0f17145896309598ac37
MD5 hash: 3344a2d675911a0136199004cf8ec059
humanhash: freddie-leopard-fix-mountain
File name:00f939ae7729.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:1'237'096 bytes
First seen:2025-08-13 02:45:33 UTC
Last seen:2025-09-19 11:20:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 033bd4c9613bdd858255fe5fa8bc2e56 (1 x RustyStealer)
ssdeep 24576:DNCsJg7PH+N6uhil/zYH3f+BZ1I+QmDsm:DEsJg7v/4w7YXfYZO+Qysm
TLSH T1BE456913EB104CB9F65AF0B4B1C14B63D5227C920BE256BBD64C72E91B35DE27AF8118
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
dhash icon 74f0e4ccccc2c4d8 (1 x RustyStealer)
Reporter GDHJDSYDH1
Tags:77-90-153-225 exe RustyStealer spyware Stealc stealer


Avatar
GDHJDSYDH1
C2: 77.90.153.127
Reference: https://hunting.abuse.ch/hunt/77.90.153.127/#sandnet

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
00f939ae7729.exe
Verdict:
Malicious activity
Analysis date:
2025-08-13 01:59:12 UTC
Tags:
stealc stealer rust
Link:
https://app.any.run/tasks/4fccc6e1-77a2-4301-8fa2-be62436f7c4d

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/21022/
Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689bfc5f9901157561b5abb1
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Connection attempt
Sending an HTTP POST request
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/5247c612-7ea1-4a50-be8b-4728adfceea9
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ocxcspvryar5icukjdlbbgq366jodb32ojbtxtejme2gdt74pnqq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/250813-c84b5a1m13/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3abd73d9-9567-431c-a5e8-7ab6b08269c5
Unpacked files
SH256 hash:
70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61
MD5 hash:
3344a2d675911a0136199004cf8ec059
SHA1 hash:
c2423a732cbbc194edfc0f17145896309598ac37
Link:
https://www.unpac.me/results/1958ed0a-d453-438a-b591-91506cdcc4c6/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/70ae293eb1c0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:Heuristics_ChromeABE
Create hunting rule
Author:Still
Description:attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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

RustyStealer

Executable exe 70ae293eb1c023d40a8a48d6109a1bf792e1877a72433bcc89613461cffc7b61

(this sample)

anyrun
any.run
https://app.any.run/tasks/4fccc6e1-77a2-4301-8fa2-be62436f7c4d
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/21022/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments