MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe96c32ee5e4a68691e1cca8b1898bd2376d592bc4e7e7330e1e91fde4a96659. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: fe96c32ee5e4a68691e1cca8b1898bd2376d592bc4e7e7330e1e91fde4a96659
SHA3-384 hash: e698fd18cbc172bf88c8f33e3e32e754d7da20c71de84cee72e288c14620c9018f7654caff36f9c48c11ed75117f390a
SHA1 hash: 4209938a74864071e1294f884d62920b332b6285
MD5 hash: 819cebc553434a1b12318d80f63ebd96
humanhash: one-lake-three-autumn
File name:819cebc553434a1b12318d80f63ebd96.exe
Download: download sample
Signature RustyStealer
File size:1'295'360 bytes
First seen:2023-07-31 07:21:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 023b884b6d5257076cda122c9c27191e (1 x RustyStealer)
ssdeep 24576:tkTS97PSPQJX6qTquZ0eyKjIGER2+pYhUBQ5suPJVWQn652mOVb6lIUR:tkEXYuCcxQYB5DPvds06aq
Threatray 2 similar samples on MalwareBazaar
TLSH T1AC557C09FD828EA7C87A667114AFE339D630590D0717DB63DF9AAE70BA1F3101E1D249
TrID 43.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
22.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe RustyStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
285
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
819cebc553434a1b12318d80f63ebd96.exe
Verdict:
Malicious activity
Analysis date:
2023-07-31 07:25:16 UTC
Tags:
n/a

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

Behaviour
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Running batch commands
Launching a process
Сreating synchronization primitives
Creating a process from a recently created file
Moving a file to the %temp% directory
Moving of the original file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug control lolbin remote shell32
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
80 / 100
Signature
Adds a directory exclusion to Windows Defender
Contains functionality to modify clipboard data
Moves itself to temp directory
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1283005 Sample: JasTNvSGGb.exe Startdate: 31/07/2023 Architecture: WINDOWS Score: 80 79 Multi AV Scanner detection for domain / URL 2->79 81 Multi AV Scanner detection for submitted file 2->81 8 JasTNvSGGb.exe 2 2->8         started        13 system_file.exe 2->13         started        15 system_file.exe 2->15         started        17 system_file.exe 2->17         started        process3 dnsIp4 73 github.com 140.82.121.4, 443, 49715, 49717 GITHUBUS United States 8->73 75 raw.githubusercontent.com 185.199.111.133, 443, 49716, 49728 FASTLYUS Netherlands 8->75 65 C:\Users\user\AppData\...\system_file.exe, PE32 8->65 dropped 91 Moves itself to temp directory 8->91 19 system_file.exe 1 8->19         started        23 cmd.exe 1 8->23         started        25 tasklist.exe 1 8->25         started        93 Adds a directory exclusion to Windows Defender 13->93 27 cmd.exe 13->27         started        29 powershell.exe 13->29         started        31 WMIC.exe 13->31         started        33 WerFault.exe 13->33         started        77 140.82.121.3, 443, 49731 GITHUBUS United States 15->77 35 cmd.exe 15->35         started        37 3 other processes 15->37 file5 signatures6 process7 dnsIp8 67 185.199.108.133, 443, 49718, 49732 FASTLYUS Netherlands 19->67 69 raw.githubusercontent.com 19->69 71 github.com 19->71 83 Multi AV Scanner detection for dropped file 19->83 85 Contains functionality to modify clipboard data 19->85 87 Adds a directory exclusion to Windows Defender 19->87 39 cmd.exe 1 19->39         started        47 3 other processes 19->47 89 Uses schtasks.exe or at.exe to add and modify task schedules 23->89 49 2 other processes 23->49 41 conhost.exe 25->41         started        51 2 other processes 27->51 43 conhost.exe 29->43         started        45 conhost.exe 31->45         started        53 2 other processes 35->53 55 2 other processes 37->55 signatures9 process10 process11 57 conhost.exe 39->57         started        59 schtasks.exe 1 39->59         started        61 conhost.exe 47->61         started        63 conhost.exe 47->63         started       
Threat name:
Win32.Spyware.Rustystealer
Status:
Suspicious
First seen:
2023-07-31 07:22:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
10 of 24 (41.67%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Behaviour
Creates scheduled task(s)
Detects videocard installed
Enumerates processes with tasklist
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Unpacked files
SH256 hash:
fe96c32ee5e4a68691e1cca8b1898bd2376d592bc4e7e7330e1e91fde4a96659
MD5 hash:
819cebc553434a1b12318d80f63ebd96
SHA1 hash:
4209938a74864071e1294f884d62920b332b6285
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
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:meth_get_eip
Author:Willi Ballenthin
Rule name:Rustyloader_mem_loose
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 fe96c32ee5e4a68691e1cca8b1898bd2376d592bc4e7e7330e1e91fde4a96659

(this sample)

  
Delivery method
Distributed via web download

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