MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73df61e5b857a42a63edb57a71aba2892a731048fe91c8b9d3e40d989a8fdcc1. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73df61e5b857a42a63edb57a71aba2892a731048fe91c8b9d3e40d989a8fdcc1
SHA3-384 hash: e20713730051fe954a4b24e6f0f7d4d7c7848b2fbda49947cc1b1b412121d57a477a36c2ae853d7d0972ef22cab76e8d
SHA1 hash: e1ff5b06bb99eecc2904237d642de7a45a6d8d06
MD5 hash: c3bbb6777a96937c65949299846890d5
humanhash: floor-pizza-carbon-oxygen
File name:c3bbb6777a96937c65949299846890d5
Download: download sample
Signature RustyStealer
Create hunting rule
File size:7'182'408 bytes
First seen:2023-02-17 17:23:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 74737a1c73116b0c6a3ee2f6399e6458 (5 x RustyStealer)
ssdeep 196608:MDANPFmCV+OoxomMRb4MGK3oI8XY2OqjoRE:M0HPE+7GK3oVhOq
Threatray 812 similar samples on MalwareBazaar
TLSH T1EF76231D8C22EDABFFE3D5F19CAB86E45B106F3D6000ABA713A1A8754B2CD17449C578
TrID 40.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
16.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
12.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.0% (.EXE) Win32 Executable (generic) (4505/5/1)
5.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 06aed8bee2e8a4e1 (3 x RustyStealer, 2 x RedLineStealer, 1 x LaplasClipper)
Reporter zbetcheckin
Tags:32 exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c3bbb6777a96937c65949299846890d5
Verdict:
Malicious activity
Analysis date:
2023-02-17 17:29:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d1499a85-eeaa-40e0-adbe-b7a205d82ac9

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/367768/
Detection(s):
SecuriteInfo.com.FileRepMalware.6625.6270.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for analyzing tools
Creating a file
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed virus
Link:
https://www.filescan.io/uploads/63efb83501064cfb16683c19/reports/dbae7849-4e63-438e-a5b8-2a39dc5c0bea/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/73df61e5b857a42a63edb57a71aba2892a731048fe91c8b9d3e40d989a8fdcc1
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/a75fe692-f29b-40c9-b8e7-d47392fd9abb
Result
Threat name:
RedLine, SectopRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1178165
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Self deletion via cmd or bat file
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected RedLine Stealer
Yara detected SectopRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 810991 Sample: ddy9xyOhX0.exe Startdate: 17/02/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 5 other signatures 2->42 7 ddy9xyOhX0.exe 6 2->7         started        11 kecovi.exe 2->11         started        process3 file4 28 C:\ProgramData\kidequoxayes\kecovi.exe, PE32 7->28 dropped 30 C:\ProgramData\...\kecovi.exe:Zone.Identifier, ASCII 7->30 dropped 50 Query firmware table information (likely to detect VMs) 7->50 52 Self deletion via cmd or bat file 7->52 54 Hides threads from debuggers 7->54 56 Tries to detect sandboxes / dynamic malware analysis system (registry check) 7->56 13 kecovi.exe 7->13         started        16 cmd.exe 1 7->16         started        58 Writes to foreign memory regions 11->58 60 Allocates memory in foreign processes 11->60 62 Injects a PE file into a foreign processes 11->62 18 InstallUtil.exe 2 11->18         started        signatures5 process6 signatures7 64 Antivirus detection for dropped file 13->64 66 Query firmware table information (likely to detect VMs) 13->66 68 Tries to detect sandboxes and other dynamic analysis tools (window names) 13->68 74 7 other signatures 13->74 20 InstallUtil.exe 4 13->20         started        70 Uses ping.exe to sleep 16->70 72 Uses ping.exe to check the status of other devices and networks 16->72 24 PING.EXE 1 16->24         started        26 conhost.exe 16->26         started        process8 dnsIp9 32 162.55.188.246, 15647, 49701, 49702 ACPCA United States 20->32 44 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->44 46 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 20->46 48 Tries to harvest and steal browser information (history, passwords, etc) 20->48 34 127.0.0.1 unknown unknown 24->34 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73df61e5b857a42a63edb57a71aba2892a731048fe91c8b9d3e40d989a8fdcc1/
Threat name:
Win32.Infostealer.RedLine
Create hunting rule
Status:
Malicious
First seen:
2023-02-17 17:24:10 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oppwdznyk6scuy7nwv5hdk5crevhgeci72i4root4qgzrgup3taq._file
Verdict:
malicious
Similar samples:
104645c74843e385754502a80a935156b585c6969fba1be83efe9b554a746560
RustyStealer
2f2c73a52b2c9975df2b1f9ccde2a8eb77493bc5d3e91a16d5d0eb3eb3ca9942
RustyStealer
538f828e062bb8200c9947698aa8d57281fb41df64e29bae5d148fc3b2983c36
RustyStealer
7310d9b87d90bb647879dd9a7adc8cb76e0630dca1e15e75abfd0083203e83a2
RustyStealer
841572da329176a7f23da214406a8c5d19c4107206df3d83bfcd8dd6dc906ecf
RustyStealer
b86a7f4e904243a5018bbc43d55bcf47d8157ce6c22df7800cff0fbca0859d39
RustyStealer
e47bfa7b58706edeeaf73664039c10cb1ff7a517d833c0b28751b835bdc68cf7
RustyStealer
+ 802 additional samples on MalwareBazaar
Result
Malware family:
sectoprat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat bootkit evasion persistence rat trojan
Link:
https://tria.ge/reports/230217-vyp1vsga7z/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Writes to the Master Boot Record (MBR)
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Drops startup file
Executes dropped EXE
Loads dropped DLL
Identifies VirtualBox via ACPI registry values (likely anti-VM)
SectopRAT
SectopRAT payload
Unpacked files
SH256 hash:
86ffd39f8c53924a25935a4e1667487c2a63c7c8313e4d4f6bb13a9ac742db3b
MD5 hash:
021ec3cc05e073e136aa1d19e199b77c
SHA1 hash:
f386c2997fd05878ee3bb9638550deed6e2cf296
Link:
https://www.unpac.me/results/8e0101d1-dd66-4c50-8926-3a814bb5fe71/
SH256 hash:
73df61e5b857a42a63edb57a71aba2892a731048fe91c8b9d3e40d989a8fdcc1
MD5 hash:
c3bbb6777a96937c65949299846890d5
SHA1 hash:
e1ff5b06bb99eecc2904237d642de7a45a6d8d06
Link:
https://www.unpac.me/results/8e0101d1-dd66-4c50-8926-3a814bb5fe71/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/73df61e5b857a42a63edb57a71aba2892a731048fe91c8b9d3e40d989a8fdcc1

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: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 73df61e5b857a42a63edb57a71aba2892a731048fe91c8b9d3e40d989a8fdcc1

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/367768/
  
URLhaus
https://urlhaus.abuse.ch/url/2543104/

Comments


Avatar
zbet commented on 2023-02-17 17:23:24 UTC

url : hxxp://79.137.194.203/umciavi32.exe