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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12e4124bf790bced8b0cff6506511bc15e8b65fd31fc2f13697ce899f6ad9b69. 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


Rhadamanthys


Vendor detections: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12e4124bf790bced8b0cff6506511bc15e8b65fd31fc2f13697ce899f6ad9b69
SHA3-384 hash: 7e26611e97226736c2691337a2b339090e21bf00a6b6225dd2c2f8dabac958dbe049d4266dd0a3db5b332ae0fae97673
SHA1 hash: 650d23339aac99447796344248328e7743c9628c
MD5 hash: f042063023fe12546bc13c87ba5bfa25
humanhash: network-mockingbird-romeo-sodium
File name:MSTeams.exe
Download: download sample
Signature Rhadamanthys
Create hunting rule
File size:2'438'096 bytes
First seen:2023-11-29 15:49:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (486 x NirCmd, 396 x DCRat, 52 x RedLineStealer)
ssdeep 49152:kBOZ365pLzhdPr+pAP19MyuJOxdkYM+pLzhdPr+pQ:uBpH/L9MylrfM+pH/D
Threatray 2 similar samples on MalwareBazaar
TLSH T1F5B522907AE184B2C4D22771D862B33477783E5C9B304ADB63A0B5EE763358056366FE
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 34b0b8ececece032 (3 x CobaltStrike, 3 x CleanUpLoader, 2 x Arechclient2)
Reporter SquiblydooBlog
Tags:exe Rhadamanthys signed

Code Signing Certificate

Organisation:CodeVue OÜ
Issuer:SSL.com EV Code Signing Intermediate CA RSA R3
Algorithm:sha256WithRSAEncryption
Valid from:2023-09-27T15:56:12Z
Valid to:2024-09-26T15:56:12Z
Serial number: 5a5b405b1df708c4c08c6180dfba9bad
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 4ecc588e29f794d786c3dcab193a4639e7324c0d7471884e5346e173b4cba3f6
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
365
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/461228/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Launching a process
Creating a process with a hidden window
Creating a file
Enabling the 'hidden' option for recently created files
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching the default Windows debugger (dwwin.exe)
Detecting VM
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/12e4124bf790bced8b0cff6506511bc15e8b65fd31fc2f13697ce899f6ad9b69
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7450eb24-c342-41e6-a42b-981d37c67674
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
42 / 100
Link:
https://www.joesandbox.com/analysis/1349983
Signature
Benign windows process drops PE files
Checks if the current machine is a virtual machine (disk enumeration)
Contain functionality to detect virtual machines
Creates an undocumented autostart registry key
Found evasive API chain (may stop execution after checking mutex)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1349983 Sample: MSTeams.exe Startdate: 29/11/2023 Architecture: WINDOWS Score: 42 89 Multi AV Scanner detection for submitted file 2->89 91 Yara detected Generic Downloader 2->91 9 MSTeamsSetup.exe 5 2->9         started        12 MSTeams.exe 15 2->12         started        process3 file4 55 C:\Users\user\AppData\Local\...\Update.exe, PE32 9->55 dropped 14 Update.exe 525 502 9->14         started        18 rundll32.exe 9->18         started        57 C:\Users\user\AppData\...\MSTeamsSetup.exe, PE32 12->57 dropped 59 C:\Users\user\AppData\Local\...\urlmop.dll, PE32 12->59 dropped 61 C:\Users\user\AppData\...\cleanhelper.dll, PE32+ 12->61 dropped 63 C:\Users\user\AppData\...\cleanhelper.dll, PE32+ 12->63 dropped 20 MSTeamsSetup.exe 12->20         started        process5 dnsIp6 83 20.189.173.1 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->83 85 20.189.173.5 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->85 87 4 other IPs or domains 14->87 67 C:\Users\user\AppData\Local\...\Squirrel.exe, PE32 14->67 dropped 69 C:\Users\user\AppData\Local\...\Update.exe, PE32 14->69 dropped 71 C:\Users\user\AppData\Local\...\vulkan-1.dll, PE32+ 14->71 dropped 73 346 other files (none is malicious) 14->73 dropped 23 Teams.exe 14->23         started        25 Teams.exe 14->25         started        27 Squirrel.exe 14->27         started        33 2 other processes 14->33 99 Contain functionality to detect virtual machines 20->99 30 rundll32.exe 20->30         started        file7 signatures8 process9 dnsIp10 35 Teams.exe 23->35         started        38 Teams.exe 23->38         started        40 Teams.exe 25->40         started        42 Teams.exe 25->42         started        81 52.182.143.210 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 27->81 105 Queues an APC in another process (thread injection) 30->105 44 svchost.exe 30->44 injected 48 regsvr32.exe 33->48         started        signatures11 process12 dnsIp13 75 162.159.61.3 CLOUDFLARENETUS United States 35->75 77 194.87.218.3 AS-REGRU Russian Federation 44->77 79 37.220.86.131 ARTEM-CATV-ASRU Russian Federation 44->79 65 C:\Users\user\AppData\...\cleanhelper.dll, PE32+ 44->65 dropped 101 Benign windows process drops PE files 44->101 103 Creates an undocumented autostart registry key 44->103 50 dialer.exe 44->50         started        53 WerFault.exe 44->53         started        file14 signatures15 process16 signatures17 93 Found evasive API chain (may stop execution after checking mutex) 50->93 95 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 50->95 97 Checks if the current machine is a virtual machine (disk enumeration) 50->97
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/12e4124bf790bced8b0cff6506511bc15e8b65fd31fc2f13697ce899f6ad9b69
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12e4124bf790bced8b0cff6506511bc15e8b65fd31fc2f13697ce899f6ad9b69/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-27 14:10:30 UTC
File Type:
PE (Exe)
Extracted files:
128
AV detection:
15 of 23 (65.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=clsbes7xsc6o3cym75sqmui3yfpiwzp5gh6c6e3jptujt5vntnuq._file
Verdict:
unknown
Similar samples:
31fe609d807d86af4eb823355faf35969ecfa5f2cfff265909d6348c5644e79d
Rhadamanthys
Result
Malware family:
rhadamanthys
Create hunting rule
Score:
  10/10
Tags:
family:rhadamanthys discovery persistence stealer
Link:
https://tria.ge/reports/231129-s9w77shf2v/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks system information in the registry
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Registers COM server for autorun
Registers new Windows logon scripts automatically executed at logon.
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
85a78db8318d2ac173165c4a68c43ab599d7806ab55530531d141b510c50b5e2
MD5 hash:
90a8630c67d909b3db1fefcc1cccb144
SHA1 hash:
bed42ac761be2c9c393a56abfc2a366f001516d8
Link:
https://www.unpac.me/results/9a91cc87-1391-4ddc-93f6-60cecee0b01c/
SH256 hash:
814e07f9dbd9b4b709b9a010570c633f09ed059e01a5d38667da2c322522d0e0
MD5 hash:
251a3d15345c120b2402a482fb6ddb00
SHA1 hash:
3a2429dd99de76aed5fc0e75e2d868398794ba9e
Link:
https://www.unpac.me/results/9a91cc87-1391-4ddc-93f6-60cecee0b01c/
SH256 hash:
12e4124bf790bced8b0cff6506511bc15e8b65fd31fc2f13697ce899f6ad9b69
MD5 hash:
f042063023fe12546bc13c87ba5bfa25
SHA1 hash:
650d23339aac99447796344248328e7743c9628c
Link:
https://www.unpac.me/results/9a91cc87-1391-4ddc-93f6-60cecee0b01c/
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/12e4124bf790bced8b0cff6506511bc15e8b65fd31fc2f13697ce899f6ad9b69

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

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/461228/

Comments