MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd817f08b4b45d7a6edcbf36a7149648bb61eb4bca360a3ecf6b21c1e8fc7519. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd817f08b4b45d7a6edcbf36a7149648bb61eb4bca360a3ecf6b21c1e8fc7519
SHA3-384 hash: accd54d1d1ea9401cf03d3495b53528067e5d15196a684bce15129a558b76e9e23f8c5c7de3fd17740ef387c51fea0c0
SHA1 hash: dd9a2d178460c9b5d62ee6201141454d5cf78139
MD5 hash: 1df81dc4b756cb6848f92030435093d9
humanhash: juliet-green-potato-eighteen
File name:SecuriteInfo.com.Trojan-PSW.Agent.2231.24790
Download: download sample
Signature RustyStealer
Create hunting rule
File size:2'097'664 bytes
First seen:2024-04-01 23:37:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5a10b1f71232200699719a8d6c2e95fa (1 x RustyStealer)
ssdeep 24576:65/GIR6gOBfpgukEsuytwOQq3ly8lqrOYuqf5xWOQn6522O8cD6:I/G+h/uStV/3ly88rlxOEG
TLSH T1E6A58E02BE80C7DFC4D9C374427EA631622D7C47DAD5E66A16803EE83A3669CDE1F644
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon e8d4b271f4d2d8f8 (1 x RustyStealer)
Reporter SecuriteInfoCom
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bd817f08b4b45d7a6edcbf36a7149648bb61eb4bca360a3ecf6b21c1e8fc7519.exe
Verdict:
Malicious activity
Analysis date:
2024-04-01 23:39:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/25764e3c-750e-40bd-a8c2-932b131eb5cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bd817f08b4b45d7a6edcbf36a7149648bb61eb4bca360a3ecf6b21c1e8fc7519
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f4b39833-1aa5-4ab9-81bf-7603f04e3b4b
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1418449
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bd817f08b4b45d7a6edcbf36a7149648bb61eb4bca360a3ecf6b21c1e8fc7519
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd817f08b4b45d7a6edcbf36a7149648bb61eb4bca360a3ecf6b21c1e8fc7519/
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2024-04-01 21:36:41 UTC
File Type:
PE+ (Exe)
Extracted files:
16
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xwax6cfuwroxu3w4x43kofewjc5wd22lzi3aupwpnmq4d2h4oumq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240401-3mpjysag53/
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
bd817f08b4b45d7a6edcbf36a7149648bb61eb4bca360a3ecf6b21c1e8fc7519
MD5 hash:
1df81dc4b756cb6848f92030435093d9
SHA1 hash:
dd9a2d178460c9b5d62ee6201141454d5cf78139
Link:
https://www.unpac.me/results/5f5d667a-4c1b-428d-9e23-b6279b5f7c3c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bd817f08b4b45d7a6edcbf36a7149648bb61eb4bca360a3ecf6b21c1e8fc7519

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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: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

File information

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

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
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::CloseHandle
kernel32.dll::CreateThread
ntdll.dll::NtCreateThreadEx
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 Filesntdll.dll::NtCreateFile
ntdll.dll::NtDeviceIoControlFile
kernel32.dll::FindFirstFileW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
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