MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9d6e8b056fd682cda321cd94548c968dc1040c2c2eb7ef24bdef9e8c22fea00. 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: 13


Intelligence 13 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e9d6e8b056fd682cda321cd94548c968dc1040c2c2eb7ef24bdef9e8c22fea00
SHA3-384 hash: 1469d615cc91dc363baa6d36e80a466ba56b66898b316c3f621573f05ed14ff6df4574a1f25960c7724095c3c86ef676
SHA1 hash: fba1a18f7cd09b1250b2f96767e6b435ef02617a
MD5 hash: 29a512fa02c2695a8888f4f702eeff2b
humanhash: mexico-maine-venus-march
File name:VerificarRequerimento.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:2'828'984 bytes
First seen:2024-11-19 07:45:37 UTC
Last seen:2024-11-19 19:35:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 074bdf8d5d3ffa817fd4207149b67897 (1 x RustyStealer)
ssdeep 49152:+yK9pI7AWx8G+n6gsqYxT/5jdATJA0erGosV7:+yxzqJA0Roa
TLSH T135D51A213B4E89ADC45AC0B4C2478BB2697270CB0B35BAFF458496793E69AF51F3C354
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
Reporter smica83
Tags:exe RustyStealer signed

Code Signing Certificate

Organisation:Amidaware Inc.
Issuer:Amidaware Inc.
Algorithm:sha256WithRSAEncryption
Valid from:2024-11-15T16:25:45Z
Valid to:2025-11-15T16:25:45Z
Serial number: 24cf343b844cb0786946587088f6be655b10cd27
Intelligence: 3 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: add1a84c9560b1935790c500f11fa4f9e375d422ede5e62f5904bc72f3acfaf8
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
420
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
kl-remote
Create hunting rule
ID:
1
File name:
VerificarRequerimento.exe
Verdict:
Malicious activity
Analysis date:
2024-11-19 07:47:32 UTC
Tags:
github rat kl-remote
Link:
https://app.any.run/tasks/b2016798-2d7d-44bc-ba9a-273b40f128d7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
98.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673c43b05107a56eacc7dce0
Tags:
dropper obfusc gumen virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug microsoft_visual_cc monero packed packer_detected powershell
Link:
https://www.filescan.io/uploads/673c423b7a6ae3d44b9f5d38/reports/712e76ce-59df-4a94-8dee-a8b254b63b09/overview
Verdict:
Suspicious
Labled as:
Malware_46.1
Link:
https://www.hybrid-analysis.com/sample/e9d6e8b056fd682cda321cd94548c968dc1040c2c2eb7ef24bdef9e8c22fea00
Malware family:
RustyStealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24668134-eab6-4973-ba6b-6f0859c4547d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1558237
Signature
AI detected suspicious sample
Loading BitLocker PowerShell Module
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suspicious powershell command line found
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1558237 Sample: VerificarRequerimento.exe Startdate: 19/11/2024 Architecture: WINDOWS Score: 56 22 github.com 2->22 26 AI detected suspicious sample 2->26 28 Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet 2->28 9 VerificarRequerimento.exe 2->9         started        signatures3 process4 dnsIp5 24 github.com 140.82.121.3, 443, 49708 GITHUBUS United States 9->24 12 cmd.exe 1 9->12         started        process6 signatures7 30 Suspicious powershell command line found 12->30 15 powershell.exe 23 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 32 Loading BitLocker PowerShell Module 15->32 20 WmiPrvSE.exe 15->20         started        process10
Score:
87%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e9d6e8b056fd682cda321cd94548c968dc1040c2c2eb7ef24bdef9e8c22fea00
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e9d6e8b056fd682cda321cd94548c968dc1040c2c2eb7ef24bdef9e8c22fea00/
Threat name:
Win64.Trojan.RustStealer
Create hunting rule
Status:
Malicious
First seen:
2024-11-19 01:32:33 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5hlormcw7vuczwrsdtmuksgjndobaqgcylvx54sl3346rqrp5iaa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/241119-jlyxfs1hnb/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2df27b96-386a-4f0a-8991-53b37c5d1e1f
Unpacked files
SH256 hash:
e9d6e8b056fd682cda321cd94548c968dc1040c2c2eb7ef24bdef9e8c22fea00
MD5 hash:
29a512fa02c2695a8888f4f702eeff2b
SHA1 hash:
fba1a18f7cd09b1250b2f96767e6b435ef02617a
Link:
https://www.unpac.me/results/b2ad8111-b305-4c8d-9ddc-c95ce0139538/
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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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)

File information

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

  
X
https://x.com/malwrhunterteam/status/1858775106547310667?t=BwR_lkhrRRy7ooBiECeKIg&s=19

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
SS_APIUses SS APIsecur32.dll::AcceptSecurityContext
secur32.dll::AcquireCredentialsHandleA
secur32.dll::ApplyControlToken
secur32.dll::DecryptMessage
secur32.dll::DeleteSecurityContext
secur32.dll::QueryContextAttributesW
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileW
ntdll.dll::NtCreateFile
ntdll.dll::NtDeviceIoControlFile
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_CRYPT_APIUses Windows Crypt APIcrypt32.dll::CertAddCertificateContextToStore
crypt32.dll::CertDuplicateCertificateChain
crypt32.dll::CertDuplicateCertificateContext
crypt32.dll::CertDuplicateStore
crypt32.dll::CertEnumCertificatesInStore
crypt32.dll::CertFreeCertificateChain
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_SOCK_APIUses Network to send and receive dataws2_32.dll::bind
ws2_32.dll::closesocket
ws2_32.dll::connect
ws2_32.dll::freeaddrinfo
ws2_32.dll::getaddrinfo
ws2_32.dll::getpeername

Comments