MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bfa984563295e341a99352eed584bd4e1ef02b5b0db5ff984d0bc3b01122b30. 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 10 File information Comments

SHA256 hash: 4bfa984563295e341a99352eed584bd4e1ef02b5b0db5ff984d0bc3b01122b30
SHA3-384 hash: d93c72105865d3d579d4638fa7f81e5ee262fba69a1cbeef6aae354908984e7fe34d9316c5c2e4b16d43dd39bb0be55a
SHA1 hash: 681b28d5dd6d49fc7ffeb67871e3a98a6f97e5dc
MD5 hash: 689eba8641d09c9775bf8be399125d9d
humanhash: four-potato-lactose-tennessee
File name:SecuriteInfo.com.Win64.MalwareX-gen.24948.3293
Download: download sample
Signature RustyStealer
File size:295'848 bytes
First seen:2025-06-03 22:18:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8d29fb8933e2d2d6108bad2ac1a2675e (1 x RustyStealer)
ssdeep 6144:q6ps6mFeg8i1c2te0V30Bp4i1RtBbScgTwDFrKa2LD37NDlShl:ktFeg8H2MsmtHbSvMpG337NDlShl
TLSH T1305412E08EAC194AD83F0876F7BF990FF6B454994B50A8F3F9445969882C3312DB315E
TrID 63.5% (.EXE) UPX compressed Win64 Executable (70117/5/12)
24.5% (.EXE) UPX compressed Win32 Executable (27066/9/6)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.8% (.ICL) Windows Icons Library (generic) (2059/9)
1.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 78d8dcb8d8d8f871 (1 x RustyStealer)
Reporter SecuriteInfoCom
Tags:exe RustyStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
358
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Tags:
injection virus
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug microsoft_visual_cc overlay packed packed packed packer_detected upx
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found potential dummy code loops (likely to delay analysis)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-01-03 13:24:09 UTC
File Type:
PE+ (Exe)
Extracted files:
5
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Behaviour
UPX packed file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4bfa984563295e341a99352eed584bd4e1ef02b5b0db5ff984d0bc3b01122b30
MD5 hash:
689eba8641d09c9775bf8be399125d9d
SHA1 hash:
681b28d5dd6d49fc7ffeb67871e3a98a6f97e5dc
SH256 hash:
ef951c551c18a44699890fead20a8be734a877e7fb7fac40764231ba876c7f24
MD5 hash:
40666bbbc21191486f3b4f4450e34017
SHA1 hash:
41931e8cb6846ed9eebf65f1c6d85a269fb43f70
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_largefile
Author:k3nr9

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RustyStealer

Executable exe 4bfa984563295e341a99352eed584bd4e1ef02b5b0db5ff984d0bc3b01122b30

(this sample)

  
Delivery method
Distributed via web download

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
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments