MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb
SHA3-384 hash: d70e32c7b8b9b59225eb4e17e2e1a4da9ade6639833e6f8623b0bbde5b735da757210425a3e13b97ec7c209388a7e86a
SHA1 hash: 02c3535ab3a1fe007519deeefcd65901a9c04740
MD5 hash: cc6b39621ea628eac27db89822370159
humanhash: delaware-massachusetts-friend-black
File name:Debit Note.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'060'352 bytes
First seen:2025-04-14 06:33:58 UTC
Last seen:2025-04-15 07:11:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:1lMehEqvb3cLBD8Gqy2KlZi8z2fvGWhQx6hUmmwNdkeQYBT:LDEZBNqdKvCvLuxMFJ7T
Threatray 3'133 similar samples on MalwareBazaar
TLSH T11E358D45D2C9FC99C0072172983DF534281EF759A27BCC2A2A6E793561A7393306BF4E
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
dhash icon d480aa8e96968ed8 (20 x AgentTesla, 15 x SnakeKeylogger, 13 x MassLogger)
Reporter lowmal3
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
3
# of downloads :
478
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Debit Note.exe
Verdict:
Malicious activity
Analysis date:
2025-04-14 06:36:44 UTC
Tags:
evasion snake keylogger stealer telegram purecrypter ims-api generic
Link:
https://app.any.run/tasks/01ad1165-e7b5-445b-90b5-4579c1c9ac58

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/2114/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67fcb917d6e7c3effad26a9d
Tags:
autorun snake
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
MSIL.Androm.Generic
Link:
https://www.hybrid-analysis.com/sample/45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f074385c-b7bd-436c-8c23-e4a0f3a4c42b
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/1664383
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Yara detected MSIL Logger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1664383 Sample: Debit Note.exe Startdate: 14/04/2025 Architecture: WINDOWS Score: 100 31 reallyfreegeoip.org 2->31 33 api.telegram.org 2->33 35 2 other IPs or domains 2->35 51 Suricata IDS alerts for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 61 12 other signatures 2->61 9 Debit Note.exe 5 2->9         started        13 wscript.exe 1 2->13         started        signatures3 57 Tries to detect the country of the analysis system (by using the IP) 31->57 59 Uses the Telegram API (likely for C&C communication) 33->59 process4 file5 25 C:\Users\user\AppData\Roaming\Persist.exe, PE32 9->25 dropped 27 C:\Users\user\...\Persist.exe:Zone.Identifier, ASCII 9->27 dropped 29 C:\Users\user\AppData\Roaming\...\Persist.vbs, ASCII 9->29 dropped 63 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->63 15 InstallUtil.exe 15 2 9->15         started        65 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->65 19 Persist.exe 2 13->19         started        signatures6 process7 dnsIp8 37 api.telegram.org 149.154.167.220, 443, 49689 TELEGRAMRU United Kingdom 15->37 39 checkip.dyndns.com 193.122.6.168, 49687, 80 ORACLE-BMC-31898US United States 15->39 41 reallyfreegeoip.org 104.21.16.1, 443, 49688 CLOUDFLARENETUS United States 15->41 43 Tries to steal Mail credentials (via file / registry access) 15->43 45 Tries to harvest and steal browser information (history, passwords, etc) 15->45 47 Multi AV Scanner detection for dropped file 19->47 49 Sample uses process hollowing technique 19->49 21 InstallUtil.exe 19->21         started        signatures9 process10 process11 23 WerFault.exe 3 23 21->23         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-04-14 04:07:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iwxxrs3wl2o52ziagu6u3hou542lvozvbi4bg4ilm4o4ji22uh5q._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
Similar samples:
80d82a8d5d67347b0e4d5de53f5849ead260a28ac74b347aab00520293ae2b4e
MassLogger
998ecbd6fa2654f86d0daa5fb0edfb63a8a6b19b4469d04dd2b4eb27e34ecd86
MassLogger
a6790d5442e968741a6031aa466a1c29397e291fa7fc6a26fca328fc48d95469
MassLogger
b05e5ee243b2262ccc4a0bd0aeb9e95d2dab3f6dcd0dae097621ec3bee8a0040
MassLogger
c294f4ea03dbbc49bdbec757d718ac1f7cd8015e197ec956416a07debac69ec9
MassLogger
f8e2ae197b0e7009fdcb3d71e6cfa572d6f06ee7b7a0bca889d55f8d78c1cf26
MassLogger
+ 3'123 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery
Link:
https://tria.ge/reports/250414-hbtdjssths/
Behaviour
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
Drops startup file
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/16efbbd9-c9af-4265-810c-1d0f1e7361e6
Unpacked files
SH256 hash:
45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb
MD5 hash:
cc6b39621ea628eac27db89822370159
SHA1 hash:
02c3535ab3a1fe007519deeefcd65901a9c04740
Link:
https://www.unpac.me/results/fb9cd5f6-35d5-4a03-822a-ab1282577856/
SH256 hash:
84c5c158ec2bc1154902d3f83134ddac3a43bad017b8c10b037c325c7a7eba7c
MD5 hash:
afebea54121a5d77345cd42bf14756ec
SHA1 hash:
024015b5bdcd5a7390ff1180b95416f9f3ecb8a0
Link:
https://www.unpac.me/results/fb9cd5f6-35d5-4a03-822a-ab1282577856/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/fb9cd5f6-35d5-4a03-822a-ab1282577856/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/fb9cd5f6-35d5-4a03-822a-ab1282577856/
SH256 hash:
b4bd44584a27a9d7029c811b3ee8733feb1f55f0ecd6af4d90a79dcd6115bd7b
MD5 hash:
879877d3e9da7b05c143a4e8a0e16792
SHA1 hash:
768452ea94455389590f6649944ef1cffd9b6358
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/fb9cd5f6-35d5-4a03-822a-ab1282577856/
Parent samples :
90c33f008fb667cf96ff92b14f8834e702e3f4444d195328c9be186e801e6823
8357f957b093fda087166e77b0e6a59d8d0d2fde1002d0be9ce5f99db26d63bb
abf8078644761623df4bdd4616a35a12990ae27825d9a32a85d49098e17dba56
45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb
c2b0e9ffba919397a65722465c861d5b8c1d35d536c3ecd0c9a3b0f8034884d2
e6fe2241c57847a4911e325b6d3692839f9033de0c99ddeabd47e8d62022bcd1
bf73a2429c65f49ee778f1401c21a5ae4d655e6c17b61a6130fa024f54de1938
SH256 hash:
e927656bb6a9046e1229d8e8713d1cbff79e36b263175f40fe6577111f9c288b
MD5 hash:
68e21e2c122ce1baddd2018f620f0147
SHA1 hash:
9968cdb406759629b711d02384964b93cc4a6e25
Link:
https://www.unpac.me/results/fb9cd5f6-35d5-4a03-822a-ab1282577856/
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/45af78cb765e/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/45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb

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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

Executable exe 45af78cb765e9ddd6500353d4d9dd4ef34babb350a3813710b671dc4a35aa1fb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/2114/

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 (GUARD_CF)high

Comments