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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26
SHA3-384 hash: 3c3e5691b33f7490eb4f9ad099b415d68ebd1ce498560f9439f81df7d9475ea0f6c7024b2432abbfbd14483d770ab92f
SHA1 hash: e710028e0e925df79b95548538c639279419f047
MD5 hash: dc8dbb5812edb5e104011d84d409bc71
humanhash: crazy-florida-eight-neptune
File name:RFQ_Stark_Srl_SDH9822.com
Download: download sample
Signature MassLogger
Create hunting rule
File size:799'232 bytes
First seen:2026-05-21 10:55:54 UTC
Last seen:2026-06-08 10:00:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'245 x AgentTesla, 20'499 x Formbook, 12'374 x SnakeKeylogger)
ssdeep 24576:/JWF1bzPZEYlI4R10IpdIK/Js5mmWjk0IqnM3xkPp0/wh:AbbzxzViIpessfWoTxk
Threatray 1'653 similar samples on MalwareBazaar
TLSH T10A0512A86E68C543D8D617B45961F2B027B4AE8DF310C6278FEDBDEF787A3505904382
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
153
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5fcfa742-1d50-4ab2-8f2b-92a1dba3333b/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-21 10:57:27 UTC
Tags:
ip-check evasion snake keylogger auto-reg stealer
Link:
https://app.any.run/tasks/f53321f4-c466-4023-be5d-7bb86c321d1e

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/67160/
Detection(s):
SecuriteInfo.com.Trojan.Siggen32.43377.7001.14575.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0ee4e84159ce11f6024853
Tags:
micro shell smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
infostealer masquerade packed
Link:
https://www.filescan.io/uploads/6a0ee4da78f38c56ac747473/reports/881bf464-e3c4-4308-952c-15be052e7269/overview
Verdict:
Malicious
Labled as:
Trojan.PasswordStealer.Generic
Link:
https://www.hybrid-analysis.com/sample/101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-20T12:27:00Z UTC
Last seen:
2026-05-23T08:12:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan-Spy.MSIL.Agent.sb Trojan.MSIL.Dnoper.sb Trojan.MSIL.Inject.sb Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb HEUR:Backdoor.MSIL.XWorm.gen Backdoor.Win32.Androm.sb Trojan.Win32.Agent.sb Trojan.MSIL.Crypt.sb Trojan-Spy.MSIL.BPLogger.sb Trojan-Dropper.Win32.Injector.sb
Link:
https://opentip.kaspersky.com/101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26/results?tab=lookup
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a15f83d-5bc0-4219-b538-326973390e6a
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1917039
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected malicious Powershell script
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1917039 Sample: RFQ_Stark_Srl_SDH9822.com.exe Startdate: 21/05/2026 Architecture: WINDOWS Score: 100 47 reallyfreegeoip.org 2->47 49 checkip.dyndns.org 2->49 51 checkip.dyndns.com 2->51 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus / Scanner detection for submitted sample 2->77 81 19 other signatures 2->81 8 RFQ_Stark_Srl_SDH9822.com.exe 1 7 2->8         started        12 powershell.exe 19 2->12         started        14 powershell.exe 2->14         started        signatures3 79 Tries to detect the country of the analysis system (by using the IP) 47->79 process4 file5 39 C:\Users\user\AppData\...\TWFBhmSHOgC.exe, PE32 8->39 dropped 41 C:\Users\...\TWFBhmSHOgC.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\...\tlvponjiydw.ps1, ASCII 8->43 dropped 45 C:\...\RFQ_Stark_Srl_SDH9822.com.exe.log, ASCII 8->45 dropped 83 Creates autostart registry keys with suspicious values (likely registry only malware) 8->83 85 Creates an autostart registry key pointing to binary in C:\Windows 8->85 87 Writes to foreign memory regions 8->87 89 3 other signatures 8->89 16 powershell.exe 23 8->16         started        19 RegSvcs.exe 15 2 8->19         started        22 TWFBhmSHOgC.exe 3 12->22         started        24 conhost.exe 12->24         started        26 TWFBhmSHOgC.exe 14->26         started        28 conhost.exe 14->28         started        signatures6 process7 dnsIp8 57 Loading BitLocker PowerShell Module 16->57 30 conhost.exe 16->30         started        32 WmiPrvSE.exe 16->32         started        53 checkip.dyndns.com 132.226.8.169, 49715, 49724, 49726 ORACLE-BMC-31898-OracleCorporationUS Japan 19->53 55 reallyfreegeoip.org 172.67.177.134, 443, 49716, 49725 CLOUDFLARENET-CloudflareIncUS Canada 19->55 59 Tries to steal Mail credentials (via file / registry access) 19->59 61 Antivirus detection for dropped file 22->61 63 Multi AV Scanner detection for dropped file 22->63 65 Writes to foreign memory regions 22->65 67 2 other signatures 22->67 34 RegSvcs.exe 22->34         started        37 RegSvcs.exe 26->37         started        signatures9 process10 signatures11 69 Tries to steal Mail credentials (via file / registry access) 37->69 71 Tries to harvest and steal browser information (history, passwords, etc) 37->71
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-05-20 17:57:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=can5lqw4j3fwryax2fr3664mi4xbfi4uftxgzhxnn3dqskcatmta._file
Verdict:
malicious
Label(s):
wannacryptor
Create hunting rule
novastealer
Create hunting rule
Similar samples:
101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26
MassLogger
55011c7e77605612e1386d23d2bb03623326bd041c077e7913d02b16f9dd854a
MassLogger
6fbe5f3b1d94c0f1d75b94eefb0f50d8dcaa6579b97b426ff0500a55dba79cf0
MassLogger
baa4644728c7e2bb52305701569700be80e76adf9a50bdca2faa54eed64cfc9f
MassLogger
df8a0674c9865e2cb1ec78d54f48d9c6af47e4955b8724c49567f98ae060bb3f
MassLogger
e891403f8727f8c2c54ae409611a0e5e1d3ff015d3172156b761a908bb40b177
MassLogger
error
MassLogger
+ 1'643 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/260521-m1xjqaay4k/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Family: MassLogger
Unpacked files
SH256 hash:
101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26
MD5 hash:
dc8dbb5812edb5e104011d84d409bc71
SHA1 hash:
e710028e0e925df79b95548538c639279419f047
Link:
https://www.unpac.me/results/57738d46-0c91-48df-a54d-5c27c13c261a/
SH256 hash:
13aa833cd745ec2a2383c722d689cde451cfecab23bba0fb8e021606d4eb780e
MD5 hash:
450df9213052f3b457f51641819c7b3c
SHA1 hash:
6f1c86f712b0557757a30516261e84b074eb82f1
Link:
https://www.unpac.me/results/57738d46-0c91-48df-a54d-5c27c13c261a/
SH256 hash:
7e5e42651838afcb21918d7c4cec7d2a3352a51bd32f572a8a889e47cedb7c89
MD5 hash:
bc5c24037c01c45d357e78aae1457f88
SHA1 hash:
8b6115e53004c4330550467a4d67c509dc98452b
Link:
https://www.unpac.me/results/57738d46-0c91-48df-a54d-5c27c13c261a/
SH256 hash:
9c6463645e35a22143376fa8848e0486d11f3c8a142eb57d5bebe3aa43ebbba9
MD5 hash:
5550e92f280fd9dcc4eb072276c7d5f5
SHA1 hash:
c387a09af3b6436b2c7ad62f7e90e819dab9f9c7
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
triage_snakekeylogger_infostealer
Create hunting rule
Link:
https://www.unpac.me/results/57738d46-0c91-48df-a54d-5c27c13c261a/
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/101bd5c2dc4e/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/101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

MassLogger

Executable exe 101bd5c2dc4ecb68e017d163bf7b8c472e12a3942cee6c9eed6ec70928409b26

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/67160/

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