MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66c5c5dee39bf1546450e2b6aba4af7766f6a9c3f4210bf0638dc490d45ff324. 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 5 File information Comments

SHA256 hash: 66c5c5dee39bf1546450e2b6aba4af7766f6a9c3f4210bf0638dc490d45ff324
SHA3-384 hash: 80e5f67c804e12ae34208bc130ab786b4cf83c751f6e76fd45724a45f421ce20ad78b088d1ad126860e66f9895192ecc
SHA1 hash: f0319d8aa0c755f27f6b1042c5e1fd12032a3b2c
MD5 hash: 2bd4ce3762304f43c357807fa98c27f6
humanhash: ink-quiet-steak-undress
File name:DHL Express_AWB44633179800-708439321-pdf.exe
Download: download sample
Signature MassLogger
File size:534'016 bytes
First seen:2025-05-05 08:18:12 UTC
Last seen:2025-05-12 08:05:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:4d9tVo36BFsJSQeq/VxqMWCIVEzWTN37nFi:2pvK/L1hziM
Threatray 3'068 similar samples on MalwareBazaar
TLSH T1C7B402996B59D503D8920F750232F2782778DE9DE821D7038FEC7CE7B866F246A59302
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 70e8e09e9ad8d0e1 (9 x Formbook, 3 x RemcosRAT, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:DHL exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
431
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Express_AWB44633179800-708439321-pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-05-05 08:25:48 UTC
Tags:
evasion snake keylogger stealer ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
underscore backdoor extens hype
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
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:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-05-05 03:47:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
29 of 38 (76.32%)
Threat level:
  2/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery spyware stealer
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot8045982473:AAFEYwreZzjlMKB9VthIaqzI5KEItIDMgNM/sendMessage?chat_id=7731003424
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
66c5c5dee39bf1546450e2b6aba4af7766f6a9c3f4210bf0638dc490d45ff324
MD5 hash:
2bd4ce3762304f43c357807fa98c27f6
SHA1 hash:
f0319d8aa0c755f27f6b1042c5e1fd12032a3b2c
SH256 hash:
667083d1cb2823e28c43e3086ffd3ffe60f4c57b7b79daa313fd838b09942498
MD5 hash:
6da2a800ef156900f359b3fddc96c61d
SHA1 hash:
3ca283137915cfd65d053c02d6e71bed099dfc74
SH256 hash:
2770d9be75b49ce44545a6d1a0706d86843440d62822653b6d270d0db55ac6df
MD5 hash:
6ce384732ebecbddf187042654e28093
SHA1 hash:
44a0bee6c75c9d8941cafd2f215c15ea6382b231
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
9ed31f3f78a05167a92b15355903a6afad92352ad83ddabd867f5cbb37709c47
MD5 hash:
fcf569431b54b016a2c302430041e454
SHA1 hash:
fc8285c2dc235e51917a967d4d3ecde0e2af3d28
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

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

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