MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986. 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 19 File information Comments
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SHA256 hash: 6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986
SHA3-384 hash: a41c08a0e054f227f5ed90d666eb1168d7726441b0bc1b9dad5396178a020367c0adf33ed7a271efa1d3e21880886842
SHA1 hash: a3f1580a6448956ad15f970b5afdc081f0fa1edf
MD5 hash: d029e152dee67016ff65ad19dbeed64b
humanhash: tango-pip-ceiling-yankee
File name:fatura098002.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:721'408 bytes
First seen:2025-01-08 11:28:28 UTC
Last seen:2025-01-13 12:03:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (60 x Formbook, 23 x AgentTesla, 20 x RemcosRAT)
ssdeep 12288:ssHzOUNUSB/o5LsI1uwajJ5yvv1l2zwQnz1UTvojh8mxm3V:viUmSB/o5d1ubcv+nz1UTgjumwF
TLSH T1C8E4125BB181145BE926FEB704630E65D393AEA47879B0026E4F7E6042B72B3313758F
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 130f0b0f372b3337 (3 x SnakeKeylogger, 2 x RemcosRAT, 1 x MassLogger)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
411
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fatura098002.exe
Verdict:
Suspicious activity
Analysis date:
2025-01-08 11:38:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e8844866-9ada-44fe-b204-8c3352994004

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.AgentTesla.13683.23123.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677e6289ffdcee13ec8729bf
Tags:
autorun autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
autoit compiled-script explorer lolbin microsoft_visual_cc overlay packed packed packed packer_detected upx
Link:
https://www.filescan.io/uploads/677e6180aa636f963a129d04/reports/ec85801f-2dd1-404d-9e74-2db7764407c7/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6fca10d5-18bd-4994-8b8a-363ded9ff43c
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1585877
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1585877 Sample: fatura098002.exe Startdate: 08/01/2025 Architecture: WINDOWS Score: 100 30 reallyfreegeoip.org 2->30 32 checkip.dyndns.org 2->32 34 checkip.dyndns.com 2->34 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 48 9 other signatures 2->48 8 fatura098002.exe 3 2->8         started        12 wscript.exe 1 2->12         started        signatures3 46 Tries to detect the country of the analysis system (by using the IP) 30->46 process4 file5 26 C:\Users\user\AppData\Local\...\gehlenite.exe, PE32 8->26 dropped 54 Binary is likely a compiled AutoIt script file 8->54 56 Found API chain indicative of sandbox detection 8->56 14 gehlenite.exe 1 8->14         started        58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->58 18 gehlenite.exe 12->18         started        signatures6 process7 file8 28 C:\Users\user\AppData\...\gehlenite.vbs, data 14->28 dropped 60 Multi AV Scanner detection for dropped file 14->60 62 Binary is likely a compiled AutoIt script file 14->62 64 Machine Learning detection for dropped file 14->64 70 3 other signatures 14->70 20 RegSvcs.exe 15 2 14->20         started        66 Writes to foreign memory regions 18->66 68 Maps a DLL or memory area into another process 18->68 24 RegSvcs.exe 2 18->24         started        signatures9 process10 dnsIp11 36 checkip.dyndns.com 132.226.247.73, 49702, 49704, 80 UTMEMUS United States 20->36 38 reallyfreegeoip.org 188.114.97.3, 443, 49703, 49705 CLOUDFLARENETUS European Union 20->38 50 Tries to steal Mail credentials (via file / registry access) 24->50 52 Tries to harvest and steal browser information (history, passwords, etc) 24->52 signatures12
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-01-06 15:01:34 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nr5b5e5l2v4ejedl55ghg5f2jk4n6njarx5mjznadcdnt2dmdgda._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
snakekeylogger
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery upx
Link:
https://tria.ge/reports/250108-nljvraxrev/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/27b1e9d1-0c09-40fb-907f-74713b4d82f2
Unpacked files
SH256 hash:
e75ba279fbf0e73ba83b8c2d7fb195412675895b5262e5c58da545f31ca6c905
MD5 hash:
fbe29f00d50376ef205e1adacbb92d9f
SHA1 hash:
a292996ecadeab9f8be92b06f5eca67454940015
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/8f06ff78-c446-4410-b186-5b54a29264fb/
SH256 hash:
f71ffea489d153920d37fa655f095cd8654c2ddbd27b668150a86881c3f5c53b
MD5 hash:
39fc504847248a3ed1c3b8d08eee9180
SHA1 hash:
83c7432e01b2a4d93548daee7c766e889fd37e29
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
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/8f06ff78-c446-4410-b186-5b54a29264fb/
Parent samples :
6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986
e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931
SH256 hash:
6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986
MD5 hash:
d029e152dee67016ff65ad19dbeed64b
SHA1 hash:
a3f1580a6448956ad15f970b5afdc081f0fa1edf
Link:
https://www.unpac.me/results/8f06ff78-c446-4410-b186-5b54a29264fb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6c7a1e93abd5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986

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_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
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_detect_tls_callbacks
Create hunting rule
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:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
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 6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

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