MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a00e0ffba9c2c81ef3a2f30a3fab80606bb943f9bf30233d3c26dd14c3a795c4. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a00e0ffba9c2c81ef3a2f30a3fab80606bb943f9bf30233d3c26dd14c3a795c4
SHA3-384 hash: 8a0214bd63507b94d9f21b13e09fbc79bac6ce8390198cadb1d457f2e39b1ef7f6f3093a510d766e5776c392181b3dbe
SHA1 hash: 4725058cb525289ac4dea8a90c2ff70ce110b77a
MD5 hash: dd8a9df687159b7b689e39f52ea24e59
humanhash: uniform-tennis-wolfram-undress
File name:dd8a9df687159b7b689e39f52ea24e59.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:2'172'416 bytes
First seen:2023-07-31 07:21:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 53b8a46a53112cd66139d0813c4f4a89 (2 x RustyStealer)
ssdeep 49152:Yb6L/TPtEcWM0kZLH4rYZZFeEcvAJaU2hVv:YuTucmY1ZFm
Threatray 1 similar samples on MalwareBazaar
TLSH T1ECA57C45FD828E67C8BB6A7014AFF339C635990C4717D713EF9A5D20BA5B3201E8924E
TrID 36.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
19.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
15.4% (.SCR) Windows screen saver (13097/50/3)
7.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dd8a9df687159b7b689e39f52ea24e59.exe
Verdict:
No threats detected
Analysis date:
2023-07-31 07:24:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e8d141b1-f85f-43cd-a047-94773aa2814a

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/439353/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.329378.22147.2880.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
DNS request
Sending a custom TCP request
Moving of the original file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
  10/10
Confidence:
82%
Tags:
anti-debug anti-vm control lolbin remote
Link:
https://www.filescan.io/uploads/64c76121f69d8e39b7addd0c/reports/40db5ef0-7272-4c63-bd40-d656c4fe5eae/overview
Verdict:
Malicious
Labled as:
Fragtor.Generic
Link:
https://www.hybrid-analysis.com/sample/a00e0ffba9c2c81ef3a2f30a3fab80606bb943f9bf30233d3c26dd14c3a795c4
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:
Unknown
Link:
https://analyze.intezer.com/analyses/5d00f144-5cda-4c39-8e28-43e88599acbf
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1283003
Signature
Adds a directory exclusion to Windows Defender
Found API chain indicative of debugger detection
Moves itself to temp directory
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1283003 Sample: p3LgKUAzh3.exe Startdate: 31/07/2023 Architecture: WINDOWS Score: 64 35 Multi AV Scanner detection for submitted file 2->35 7 p3LgKUAzh3.exe 1 2->7         started        process3 dnsIp4 31 github.com 140.82.121.3, 443, 49682 GITHUBUS United States 7->31 33 raw.githubusercontent.com 185.199.110.133, 443, 49683 FASTLYUS Netherlands 7->33 37 Moves itself to temp directory 7->37 39 Found API chain indicative of debugger detection 7->39 41 Adds a directory exclusion to Windows Defender 7->41 11 cmd.exe 1 7->11         started        14 WerFault.exe 3 9 7->14         started        17 powershell.exe 19 7->17         started        19 WMIC.exe 1 7->19         started        signatures5 process6 file7 43 Uses schtasks.exe or at.exe to add and modify task schedules 11->43 21 conhost.exe 11->21         started        23 schtasks.exe 1 11->23         started        29 C:\ProgramData\Microsoft\...\Report.wer, Unicode 14->29 dropped 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a00e0ffba9c2c81ef3a2f30a3fab80606bb943f9bf30233d3c26dd14c3a795c4/
Threat name:
Win32.Spyware.Rustystealer
Create hunting rule
Status:
Suspicious
First seen:
2023-07-31 07:22:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uaha765jyleb545c6mfd7k4ambv3sq7zx4ycgpj4e3orjq5hsxca._file
Verdict:
malicious
Similar samples:
493ad61378a62b59a6a4d0544a94f418a6086a38302e974ce007aafb36fc25f1
RustyStealer
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://tria.ge/reports/230731-h69zsadc67/
Behaviour
Creates scheduled task(s)
Detects videocard installed
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Legitimate hosting services abused for malware hosting/C2
Unpacked files
SH256 hash:
a00e0ffba9c2c81ef3a2f30a3fab80606bb943f9bf30233d3c26dd14c3a795c4
MD5 hash:
dd8a9df687159b7b689e39f52ea24e59
SHA1 hash:
4725058cb525289ac4dea8a90c2ff70ce110b77a
Link:
https://www.unpac.me/results/956e569d-a6fc-4542-b65b-7350d38bef33/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a00e0ffba9c2/report/overview.html
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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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

File information

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

Web download

RustyStealer

Executable exe a00e0ffba9c2c81ef3a2f30a3fab80606bb943f9bf30233d3c26dd14c3a795c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2693285/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2693293/
Cape
Cape
https://www.capesandbox.com/analysis/439353/

Comments