MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2c01011d0a2b5ee0a51fae41109e9ccfe2aae16e6c4212addac7f757f23893b. 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 5 File information Comments

SHA256 hash: a2c01011d0a2b5ee0a51fae41109e9ccfe2aae16e6c4212addac7f757f23893b
SHA3-384 hash: ffaa9f5d6a33368d07fe3de05ed2f2849a3a3e58f5ef462886ffd53dd8babbc60cd9699f8e54a0c23bae8239df5dc60a
SHA1 hash: 259a485ba24dbc243a0e7f8f8f60c890ac87a161
MD5 hash: 0307ec61fb90b7281da0ffbd4def0e80
humanhash: florida-leopard-finch-muppet
File name:UPS_CB70501920.exe
Download: download sample
Signature MassLogger
File size:800'768 bytes
First seen:2025-06-23 06:08:56 UTC
Last seen:2025-07-07 14:40:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:VvYIWGASYfVsFlEIU+iQanWcR79bVqIhf9aNZzZi+kzcnUEJ:VlWOpxiQSW22BZi+5xJ
Threatray 3'462 similar samples on MalwareBazaar
TLSH T12B05BE00B2788F0AE5BA4BF80166D63097F55E5D747DE7098DDABCEB7A60B011B84B13
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon f0e8ccb2d4d4f0f0 (7 x Formbook, 3 x AgentTesla, 2 x MassLogger)
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
451
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
UPS_CB70501920.exe
Verdict:
Malicious activity
Analysis date:
2025-06-23 06:11:56 UTC
Tags:
stealer snake keylogger evasion netreactor ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
snake virus micro 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dotnet-loader obfuscated packed packed packed packer_detected vbnet
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:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-06-23 03:20:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
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/bot7557609045:AAHgxfWXqRPgwr5JAhsZqLlIJvPQkqavC0g/sendMessage?chat_id=671054766
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
a2c01011d0a2b5ee0a51fae41109e9ccfe2aae16e6c4212addac7f757f23893b
MD5 hash:
0307ec61fb90b7281da0ffbd4def0e80
SHA1 hash:
259a485ba24dbc243a0e7f8f8f60c890ac87a161
SH256 hash:
cf158b6c7d517a80ef7516d76b2192f05271b484ccd60a27b7f674c3cf12280a
MD5 hash:
a657c2b58638c06195f5a10721d365c4
SHA1 hash:
02c7b7935c20ee91063de0ee28193d6fb2112349
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
e5178515af752b210f6cf83df9f6098e071d2836710af3a33c4dc662be4f5b1e
MD5 hash:
3d13d875fb8030a425449b1b15962062
SHA1 hash:
1864603752e2a43bc4c587ea9db85dd1a6c258fc
SH256 hash:
9be488fa8030060d1a06c2b4e227cbfaa1720b3fd74454a56c9ad03320ee9779
MD5 hash:
e0a78457a0f47717376ca5b5991e7e49
SHA1 hash:
c986bd0a000cffa5fb8f909dd89bd569425382a1
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware family:
PrivateLogger
Verdict:
Malicious
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.

Malspam

MassLogger

Executable exe a2c01011d0a2b5ee0a51fae41109e9ccfe2aae16e6c4212addac7f757f23893b

(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

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