MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47. 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


MassLogger


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47
SHA3-384 hash: 60641b8f0a35c18f83c546d7e10b12b7d1f851ccf7688ee1ea2edc42fd4bc20c2bdb63dcb2398f304b37645a105a0de4
SHA1 hash: c567c028ed498e41b2f8d66200413fac3c0871cc
MD5 hash: f79a4292ed703e7d9f577770921148cc
humanhash: lactose-eight-butter-yankee
File name:RRT78-89079090GFVU0-INVRYU-FVIOJ0I.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:745'984 bytes
First seen:2024-11-29 07:33:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:WZztNQNivVSkgCTNHPBJ1Bdyvekzz6Z5Ah8SI0o1zGX54P7wwhiFdevranCxCdY:WvNGi7gmNHPBJBkzz6G81zGCP7waudeT
Threatray 197 similar samples on MalwareBazaar
TLSH T124F4C0C43B21735ECC26C8318598EC74A6112C7AA30AB1D3A5D7379B769E153DF18BA3
TrID 56.5% (.EXE) Win64 Executable (generic) (10522/11/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
458
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RRT78-89079090GFVU0-INVRYU-FVIOJ0I.exe
Verdict:
Malicious activity
Analysis date:
2024-11-29 07:37:17 UTC
Tags:
evasion snake keylogger
Link:
https://app.any.run/tasks/bce07ce6-eaf5-4e79-8113-a305b715848d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.25715.7037.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67496fa8e64d1c722d79f929
Tags:
phishing snake
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67496e6a81b15ee2023e5e06/reports/3aeca229-c0ff-4a45-9ec7-d618e0243c87/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/71fdb855-a50d-4506-ba65-9b53ec8ba369
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1565063
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1565063 Sample: RRT78-89079090GFVU0-INVRYU-... Startdate: 29/11/2024 Architecture: WINDOWS Score: 100 24 reallyfreegeoip.org 2->24 26 worlorderbillions.top 2->26 28 3 other IPs or domains 2->28 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 44 5 other signatures 2->44 8 RRT78-89079090GFVU0-INVRYU-FVIOJ0I.exe 4 2->8         started        signatures3 42 Tries to detect the country of the analysis system (by using the IP) 24->42 process4 file5 22 RRT78-89079090GFVU...RYU-FVIOJ0I.exe.log, CSV 8->22 dropped 46 Modifies the context of a thread in another process (thread injection) 8->46 48 Adds a directory exclusion to Windows Defender 8->48 50 Injects a PE file into a foreign processes 8->50 12 RRT78-89079090GFVU0-INVRYU-FVIOJ0I.exe 14 2 8->12         started        16 powershell.exe 23 8->16         started        signatures6 process7 dnsIp8 30 worlorderbillions.top 185.174.173.22, 49742, 587 ITLDC-NLUA Ukraine 12->30 32 checkip.dyndns.com 132.226.247.73, 49733, 80 UTMEMUS United States 12->32 34 reallyfreegeoip.org 172.67.177.134, 443, 49736 CLOUDFLARENETUS United States 12->34 52 Tries to steal Mail credentials (via file / registry access) 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 56 Loading BitLocker PowerShell Module 16->56 18 WmiPrvSE.exe 16->18         started        20 conhost.exe 16->20         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2024-11-29 03:40:26 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
10
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3b6idn7dot4yruuylvcee3nq67ysqfu3k3oyaqvn3jq7xcfsnrdq._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
snakekeylogger
Create hunting rule
404keylogger
Create hunting rule
Similar samples:
2382002f38b7558edbfaaa25ab025c7e6985829b544440011e438c7bcd17033f
MassLogger
5f97099c9597917ad3091e70910dc93ded0181185c1878fa4dfffaf540b46e4b
MassLogger
8d8c12c1b96b60a434c003d013e5bd8e948ea049246912b545fef1d3574819f4
MassLogger
d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47
MassLogger
error
MassLogger
f22c4824c8543cfe3b903b6cb4b42a75ea2f4167b6fbdf2d3af25e504d854452
MassLogger
+ 187 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection execution spyware stealer
Link:
https://tria.ge/reports/241129-jd367symcm/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
404Keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/67c63136-6a24-4dca-8eff-3d8458d99107
Unpacked files
SH256 hash:
d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47
MD5 hash:
f79a4292ed703e7d9f577770921148cc
SHA1 hash:
c567c028ed498e41b2f8d66200413fac3c0871cc
Link:
https://www.unpac.me/results/5752c2bc-dfe3-4cb0-aef3-0a8dd334a627/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d87c81b7e374/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

MassLogger

Executable exe d87c81b7e374f988d2985d44426db0f7f128169b56dd8042adda61fb88b26c47

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments