MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f
SHA3-384 hash: 0d2d82b775e3bc8b12d846cd0641a282458a17798d113a680f22ca3a0ce2d09ee0650f107d78548cb2e81722e9c33176
SHA1 hash: 39b0b713cfd00c99cec717546a5862b663449ccc
MD5 hash: e2efc07ec8c052f1c0ac0e61dc838758
humanhash: autumn-wisconsin-texas-spaghetti
File name:AGENCY APPOINTMENT KW V2501.docx.scr
Download: download sample
Signature MassLogger
Create hunting rule
File size:239'616 bytes
First seen:2025-01-23 05:35:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:trV4GZf0fwER+dI5eOc222LAsIVUPr1IrZgLMvA4woT0TphLmVVtRhiU:MifMjUCgOcNmAnVUD7LMoETMLJ
Threatray 194 similar samples on MalwareBazaar
TLSH T1F134282AF73D2BF1DC482FF52A3E12249B12A933F412FB79825DA64E1A73F741680551
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
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
434
Origin country :
CH CH
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6791d9dee708b6e7a3b02664
Tags:
underscore virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Reading critical registry keys
Blocking the Windows Defender launch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/6791d54733bf9c76300428ee/reports/926d5a82-93bd-4f96-8695-79608da58298/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7797c2cf-8718-4afd-8308-c6a9ef99c1bf
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1597299
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for 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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-01-23 03:16:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7t22ems37hsnc3lcroyovwk2uwd4rezup4s7rf7jyxwxm5m32zpq._file
Verdict:
malicious
Label(s):
snakekeylogger
Create hunting rule
Similar samples:
14d370a69c8c075b14a411301bc9137d1db0683ac4ff480d25404d9f81533f66
MassLogger
3cfe012c870ebeb15a1288b7cdb3b50016e2329c7fbd63ef18f189727269d49c
MassLogger
8c98088aa44045c4b7a4a7bebe5d98480fe5cad627b772554ebd0a324cafa37c
MassLogger
c2c192862a68990222cacb9279cacf63370b015a429d2c39d94cbe15cf987388
MassLogger
error
MassLogger
f71c420f6b519456fe106dab4189e77d8049c9e0296483af32088de50905446a
MassLogger
+ 184 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/250123-gakjkswman/
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
Modifies Windows Defender DisableAntiSpyware settings
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/8456e196-17f0-4d61-adaf-f9d42e6e54e7
Unpacked files
SH256 hash:
c32b1ddf060f27e99a32670ba7fadd6f8855b1e19a4cdfd450ed886ef88c93c3
MD5 hash:
2af6cbb892b2a2515c3018b97c28bbf5
SHA1 hash:
cbd37af96de7654fccd06b0a02279a1107606514
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
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Link:
https://www.unpac.me/results/11f0c2c7-a0f8-4480-a5af-3b5dbf27f639/
Parent samples :
b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa
72bcc45094526e37f7275f87dff9c249a26242414fe30f13d6d5359e0b7fbcac
c2c192862a68990222cacb9279cacf63370b015a429d2c39d94cbe15cf987388
8c98088aa44045c4b7a4a7bebe5d98480fe5cad627b772554ebd0a324cafa37c
3cfe012c870ebeb15a1288b7cdb3b50016e2329c7fbd63ef18f189727269d49c
7e430da9854a73aeac41d86bd6a225ec27cc681188eb70ef5eec80f737a41a91
f7c651df3bbe493431c583ee9b03a6b3c3f2fc3f6e69dd5d4ea05a75290c2254
14d370a69c8c075b14a411301bc9137d1db0683ac4ff480d25404d9f81533f66
7cbf555d0e0fada3a65efae70663a4fe2bc05d845ad533dab8da8d057b2cac7b
0c7f0ad6c4027b182c902c65592f3efa5e66e5df3904b7ff4fe884789d586d7a
fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f
44e71677c27a5f4e7435fe0430b865138504421d206c864ca8a1dc7ca3ebe9db
c0fe9c63478075193c956996fbd557829d55bd9ab800c9a7f4857a77007cbdc3
8c4aa3de23af80966c9a5c8911daebe824bb252bc659a548535e6cf94b2d9ed9
b6d1bbc15f5ae144e4801f8188cbe4768f3ba42e2c4dd56f42a7fa5ec9638460
ffcdb62a0cc1adb7700c13310a3234fa7b25d0981a97ad089a7433c60e7f5188
b3752b8138360ee7ab6f3583c942f1d2ee806f7ede9123ada34abbf27a055633
e9dcf2288b4adbbfe01de0f952df0f050ef533fa151e77b786ceee577f51a079
SH256 hash:
e8ebfda634e10c24642537582e256449074acdf2ac5ea827b81818c111111993
MD5 hash:
5b29dbce9331e1456dcac2b8f087dfd2
SHA1 hash:
702f2aef816d7ed31559640a56919a19c0c9cc51
Link:
https://www.unpac.me/results/11f0c2c7-a0f8-4480-a5af-3b5dbf27f639/
SH256 hash:
cc879f07584302e5e7e81f7f2516565297d07814eaf58b970a2a9958fb77655d
MD5 hash:
31d569fde993114493122017f2ce0583
SHA1 hash:
2f605a3c5c911a9989769010ba50bad4ae16a694
Link:
https://www.unpac.me/results/11f0c2c7-a0f8-4480-a5af-3b5dbf27f639/
SH256 hash:
fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f
MD5 hash:
e2efc07ec8c052f1c0ac0e61dc838758
SHA1 hash:
39b0b713cfd00c99cec717546a5862b663449ccc
Link:
https://www.unpac.me/results/11f0c2c7-a0f8-4480-a5af-3b5dbf27f639/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fcf5a2325bf9/report/overview.html
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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
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_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 fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f

(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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