MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 642820d7b16dce468583bd9c0216c49905f3c8f426762aff3187abc000ee7a79. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 642820d7b16dce468583bd9c0216c49905f3c8f426762aff3187abc000ee7a79
SHA3-384 hash: 6fa548a43e97b2fa69f4da660cda9a9687c0274b14e5554288b98a2eac427b15d5c793a19f8f9b286c2158844dd20b22
SHA1 hash: a080e0d65e90748b2b715f68cb4333da2b704072
MD5 hash: bc7bf815e62260aadc46745a2dc38a77
humanhash: violet-jupiter-freddie-december
File name:07.03.2025-09.03.2025.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:506'880 bytes
First seen:2025-03-10 05:30:41 UTC
Last seen:2025-03-10 07:31:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:FJ1uWsI8mqk2lDn8Z/7pacCTO9cr2NLf/LB+hLmsDf1Wg1jn5BBssLC2kSmx1Y:7wDmqku+dyacr2NLtLWxn5BBs2WY
Threatray 169 similar samples on MalwareBazaar
TLSH T1E7B43B0B7315286A8BE75764E07424604D5E6FE7C3F2E54BD87B9C40CFA22A099ED1B3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
3
# of downloads :
415
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
07.03.2025-09.03.2025.exe
Verdict:
No threats detected
Analysis date:
2025-03-10 04:16:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/88da2c37-e221-4a8d-b13a-a2756a39f0c0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ce7ff00d1b39e3a208a253
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Сreating synchronization primitives
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ce791e4a3011c802cbd45b/reports/9a1b8abe-0ad7-4c57-9eee-a13ece12fa30/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/642820d7b16dce468583bd9c0216c49905f3c8f426762aff3187abc000ee7a79
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.
Malware family:
MOFKSYS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/40c5bfd0-31fc-4c75-92ad-9b7bb5f5a75f
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1633273
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/642820d7b16dce468583bd9c0216c49905f3c8f426762aff3187abc000ee7a79
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/642820d7b16dce468583bd9c0216c49905f3c8f426762aff3187abc000ee7a79/
Threat name:
ByteCode-MSIL.Trojan.Swisyn
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 03:39:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqucbv5rnxhenbmdxwoaefwetec7hshuez3cv7zrq6v4aahopj4q._file
Verdict:
malicious
Label(s):
mofksys
Create hunting rule
Similar samples:
1bf110e7931be48ca267d6461b9c6bafeb296293530fd34b30f9eff098221b89
MassLogger
84305ef730322cf91b67ba0c5f3ff9583e3d58bf11b0c20a23ab3405e12a71a2
MassLogger
94e024435cc8cafb2705bf98e9551feaa5d2ab426fcbcef9efde59fe9ccb9e53
MassLogger
9dfb9989c7146240594e63aa7d40d3ded109edda93c8b7514a8f4c4b33b6fc77
MassLogger
9f6de85e6ac6ca0e2a0e1912f3d950c3765425d076e87627c9a58b033747c5af
MassLogger
b7772e6959c773d04203373a3adcff3bc81b667726cf4f7155c9135331b21760
MassLogger
d0a427ef5fa5496840ff480c1ba3f2b4a533d516f6fff8b012e131a4d5f6ddc6
MassLogger
d21725f320089d0f7dfbaa3a3a16545c0442f3b207089fb9faf1b489f9a5d6d2
MassLogger
eb825b11d00bc3ec41e7856a59ebe1027e3f9c9128a177e182f688535f22bfb6
MassLogger
error
MassLogger
+ 159 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250310-f7r49at1az/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2192bd94-14bf-4b24-9336-5b288842d312
Unpacked files
SH256 hash:
642820d7b16dce468583bd9c0216c49905f3c8f426762aff3187abc000ee7a79
MD5 hash:
bc7bf815e62260aadc46745a2dc38a77
SHA1 hash:
a080e0d65e90748b2b715f68cb4333da2b704072
Link:
https://www.unpac.me/results/72bf79c2-fe18-4302-bdf9-916aa06c324e/
SH256 hash:
25a344f5681f51b0636366bba99db4f640819e4688bce41e451259e9e3000bdf
MD5 hash:
b7f10212764f2a0cfa32c33983b35fb5
SHA1 hash:
55beb58ef51952d4a001a94207e534c39d26b371
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/72bf79c2-fe18-4302-bdf9-916aa06c324e/
Parent samples :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 hash:
e8ebfda634e10c24642537582e256449074acdf2ac5ea827b81818c111111993
MD5 hash:
5b29dbce9331e1456dcac2b8f087dfd2
SHA1 hash:
702f2aef816d7ed31559640a56919a19c0c9cc51
Link:
https://www.unpac.me/results/72bf79c2-fe18-4302-bdf9-916aa06c324e/
SH256 hash:
e0729069972996937627433e9d01b0a78a0be7a91400c6f9713e14487a03baa7
MD5 hash:
91f0271b6eea79474ff242bfd471343e
SHA1 hash:
84db9deed2f676ea9b28db4ddecc93208476c4c8
Link:
https://www.unpac.me/results/72bf79c2-fe18-4302-bdf9-916aa06c324e/
SH256 hash:
45b73ebbddc3937ed579095fcc667971acc1cfc0da4d99819f7a36b3c9c86c0b
MD5 hash:
549cf2274512d3d308813748f2dda1ac
SHA1 hash:
fe487045d5f8b6f7928a6cd6095853ef8270cd81
Detections:
win_mofksys_auto
Create hunting rule
SUSP_Imphash_Mar23_2
Create hunting rule
Link:
https://www.unpac.me/results/72bf79c2-fe18-4302-bdf9-916aa06c324e/
Parent samples :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 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/642820d7b16dce468583bd9c0216c49905f3c8f426762aff3187abc000ee7a79

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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 642820d7b16dce468583bd9c0216c49905f3c8f426762aff3187abc000ee7a79

(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