MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a
SHA3-384 hash: db69b47d1fdeec449857d186d691cbdddd3eabf2f3e9ccfde1631ead3113839901ca41fc7dad57b37ba4c5098ddbf282
SHA1 hash: 5d9dc4ad0a0b092e50fbe859df8d1010b07261f6
MD5 hash: d83fb100ad227f0dd48918bdc03285ee
humanhash: three-florida-green-seventeen
File name:rPurchaseOrderM.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:565'760 bytes
First seen:2025-06-23 11:00:18 UTC
Last seen:2025-07-07 14:35:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:Qthptc5i07Q++/TtR1P9I0t38ouHOCl3D7jj+GsH10vx+Akh1wI+jLGASYfVsFl:Er11Td8oyOKDPaG2uZluYXOp
Threatray 3'336 similar samples on MalwareBazaar
TLSH T115C40150272ADF56D9A80BF41560D2B713B5AF9DA402E3069EDFECDBB82239024D17C7
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 FXOLabs
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
486
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rPurchaseOrderM.exe
Verdict:
Malicious activity
Analysis date:
2025-06-23 11:26:04 UTC
Tags:
snake keylogger evasion stealer netreactor ims-api generic
Link:
https://app.any.run/tasks/8785d9ee-2eb7-4881-ae2a-07f55575ab83

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/10667/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6859340b32ed47a3a8d69939
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Blocking the Windows Defender launch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dotnet-loader masquerade obfuscated packed packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/685933ea66c4b5c0b99ca251/reports/287af8d4-86c0-4b95-a8cf-09f09ce65944/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/84900393-29a7-40d8-aa56-d9a4f4e38ecb
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/1720835
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 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/37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/d83fb100ad227f0dd48918bdc03285ee
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a/
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-06-23 10:07:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7plpvf2d2axaamxomfc7eszifgqbqc4tnleacrwjsiu3qfejnfa._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
3cfe012c870ebeb15a1288b7cdb3b50016e2329c7fbd63ef18f189727269d49c
MassLogger
7e430da9854a73aeac41d86bd6a225ec27cc681188eb70ef5eec80f737a41a91
MassLogger
8c98088aa44045c4b7a4a7bebe5d98480fe5cad627b772554ebd0a324cafa37c
MassLogger
error
MassLogger
f7c651df3bbe493431c583ee9b03a6b3c3f2fc3f6e69dd5d4ea05a75290c2254
MassLogger
+ 3'326 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/250623-m4e4vavtfz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
MassLogger
Masslogger family
Modifies Windows Defender DisableAntiSpyware settings
Malware Config
C2 Extraction:
https://api.telegram.org/bot8033877980:AAHqRHGJsyLgcsFbXWn0qH7Pj2TrXmObvDQ/sendMessage?chat_id=7731003424
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/d87af3f4-61e1-4906-a225-48bf7bb1e7c1
Unpacked files
SH256 hash:
37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a
MD5 hash:
d83fb100ad227f0dd48918bdc03285ee
SHA1 hash:
5d9dc4ad0a0b092e50fbe859df8d1010b07261f6
Link:
https://www.unpac.me/results/4155b104-2c73-4e38-8417-771a91ea1cad/
SH256 hash:
a86fba8bd5527f824b825709dbf226ec6aa5851b400da849b431d552e04638e9
MD5 hash:
abbf83cba4e3cc68756a6a9b0bbcccb5
SHA1 hash:
056a54e930a5915d679aa78c6fefb16a5cdeba18
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4155b104-2c73-4e38-8417-771a91ea1cad/
SH256 hash:
b81ebf9969a40a48a46ad9623e387c10da96fe71aea7b87a4db86a08cb697950
MD5 hash:
67fe543886f1c469dbf0963bddb3da81
SHA1 hash:
1f97de7688b9493949510280845ff33d67e9fe97
Link:
https://www.unpac.me/results/4155b104-2c73-4e38-8417-771a91ea1cad/
SH256 hash:
c74080282f68f9617e70b3b00a7728af7c15895b13cab34588d57ea14757bb79
MD5 hash:
e65ec9a8221b987bae48a5651a8dc747
SHA1 hash:
d46d27e328d3d9affa4b55231c9b3d14b78600d8
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
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Link:
https://www.unpac.me/results/4155b104-2c73-4e38-8417-771a91ea1cad/
Parent samples :
37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a
7553b95daaa8bf122add4c34e160f80ad4438680185b820788b31cba9a66379d
f8c1683dbfc0d40b23f720566b527ea31d96a1e24e605805c1d4646af7fde61c
975de0616a561e423d820a9afdcad4ee7521deb2f192da0e4a220ff1da03f82a
0bfb0b841074e05c24408075a90c89647429199cf37b4970a0e17b49e334c857
9b8df0ab8e4701b23fbba918727eef9edb4449d7862f0bd3606b90db439f8ed8
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37deb7d4ba1e/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/37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a

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 37deb7d4ba1e81700197730a2f9259414d00c05c9b56400a364c914dc0a44b4a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/10667/

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