MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5ffa7adbe927a72bdea5ffd6b16e0814456dc863e6a9836fe92cc128b42378c. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5ffa7adbe927a72bdea5ffd6b16e0814456dc863e6a9836fe92cc128b42378c
SHA3-384 hash: 6a79bab9e491045de43af6f505d0463fd2ecc36b60d01c96b1ebd35eefc9c36c791d24a9dab78a8b61a1875ac3225837
SHA1 hash: ae05ae0bda2c770e20c8a6f8a32e3a925d88d4e1
MD5 hash: f04250389b736ec2105049d504240465
humanhash: lactose-utah-potato-saturn
File name:A5FFA7ADBE927A72BDEA5FFD6B16E0814456DC863E6A9836FE92CC128B42378C.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:1'682'944 bytes
First seen:2022-06-26 10:37:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 77722b8e85c9d49c1440bbf5e0417278 (1 x RustyStealer)
ssdeep 6144:hSV66wvjdaacL/Wy8kXl0r0zywFaf3S8JrJDkotzYB1Qc8Xh+/J13YOPiADkZGtt:hSV6haaiWlQl0YE3SYqjQNGjtdtt
TLSH T1C6755FE257BD9814EA0A7072A103DEF11CF56F8D11F5E75329EA7E38C8B32912534B26
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 80c9c0ccccd8d888 (1 x RustyStealer)
Reporter obfusor
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/283325/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process with a hidden window
Searching for the window
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Moving of the original file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm
Link:
https://www.filescan.io/uploads/62b83716666084d7254f4392/reports/71dd3aea-b04a-4420-b016-4c482deb8b58/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8bc4a142-73ad-44e7-bf0c-2edaee65c240
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1019946
Signature
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5ffa7adbe927a72bdea5ffd6b16e0814456dc863e6a9836fe92cc128b42378c/
Threat name:
Win64.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-06-26 07:48:35 UTC
File Type:
PE+ (Exe)
Extracted files:
44
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ux72pln6sj5hfppkl76wwfxaqfcfnxeghzvjqnx6slgbfc2cg6ga._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/220626-mpdbpscfa9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
a5ffa7adbe927a72bdea5ffd6b16e0814456dc863e6a9836fe92cc128b42378c
MD5 hash:
f04250389b736ec2105049d504240465
SHA1 hash:
ae05ae0bda2c770e20c8a6f8a32e3a925d88d4e1
Link:
https://www.unpac.me/results/02f74bb6-a4d0-418f-907e-49c4f1a9c39d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a5ffa7adbe92/report/overview.html
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/a5ffa7adbe927a72bdea5ffd6b16e0814456dc863e6a9836fe92cc128b42378c

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/283325/

Comments