MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931. 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 18 File information Comments

SHA256 hash:	e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931
SHA3-384 hash:	671ca523729a1eb04f638f5d48bee542ed8185e1d3fe2409fbfc5e2e7f03960bde9ff83b4aec07d39b3b353008843b09
SHA1 hash:	b6437d582282e4796a2f87ffc401eb3c591cc3dd
MD5 hash:	c30f23c339131485041066ab84d4858f
humanhash:	montana-enemy-magazine-monkey
File name:	NOVDA80090000.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	478'208 bytes
First seen:	2025-01-29 16:48:02 UTC
Last seen:	2025-02-07 14:28:04 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep	12288:NYV6MorX7qzuC3QHO9FQVHPF51jgcdb9fLekQuG:iBXu9HGaVHLY
TLSH	T149A423D15AC1D97BC0A523B9D03BCE506821B471CBD53B6A4298F62EF839383D81759F
TrID	35.7% (.EXE) UPX compressed Win32 Executable (27066/9/6) 35.0% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 8.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	threatcat_ch
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

488

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931.exe

Verdict:

Malicious activity

Analysis date:

2025-01-29 17:49:15 UTC

Tags:

evasion snake keylogger stealer

Link:

https://app.any.run/tasks/f58430ff-239e-4e79-bd59-45ae8572cf47

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.FileRepMalware.25474.30642.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=679a5ed839cd5095f12b6204

Tags:

masslogger autorun autoit snake

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:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug autoit compiled-script evasive hacktool microsoft_visual_cc overlay packed packed packed packer_detected powershell upx

Link:

https://www.filescan.io/uploads/679a5bc5a2886cdc5ac642bc/reports/4aef0480-b309-4fd0-8f11-eb2d9ac6ebc9/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931

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

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7365d710-0f9c-4f8e-aaa5-53b45a2415ad

Result

Threat name:

MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1602317

Signature

.NET source code references suspicious native API functions

Binary is likely a compiled AutoIt script file

Contains functionality to log keystrokes (.Net Source)

Drops VBS files to the startup folder

Found malware configuration

Joe Sandbox ML detected suspicious sample

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 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)

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

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-01-29 12:51:33 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=4xfu5rl3qspfntlaoa4is2gv53bobkhrcsoudtfcvokgh2y4veyq._file

Verdict:

malicious

Label(s):

snakekeylogger

unknown_loader_036

Similar samples:

error

MassLogger

Result

Malware family:

n/a

Score:

7/10

Tags:

collection discovery upx

Link:

https://tria.ge/reports/250129-va4t4stjgz/

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

Program crash

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:

Informative

Tags:

trojan 404keylogger

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/56a1986a-7883-432a-864c-cbfd44e92144

Unpacked files

SH256 hash:

49f21dc651a80c09605614b69ceab4277aa43cf728eb6041a7e59ba49f8ee65f

MD5 hash:

c41603243676ca7a1446465de8704295

SHA1 hash:

b573ba4db395a7d93122d01606a76f7399da7707

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/be574a67-1639-44fd-93fd-c1607f696a84/

SH256 hash:

f71ffea489d153920d37fa655f095cd8654c2ddbd27b668150a86881c3f5c53b

MD5 hash:

39fc504847248a3ed1c3b8d08eee9180

SHA1 hash:

83c7432e01b2a4d93548daee7c766e889fd37e29

Detections:

win_masslogger_w0

win_404keylogger_g1

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Link:

https://www.unpac.me/results/be574a67-1639-44fd-93fd-c1607f696a84/

Parent samples :

6c7a1e93abd57844906bef4c7374ba4ab8df35208dfac4e5a01886d9e86c1986
e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931

SH256 hash:

e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931

MD5 hash:

c30f23c339131485041066ab84d4858f

SHA1 hash:

b6437d582282e4796a2f87ffc401eb3c591cc3dd

Link:

https://www.unpac.me/results/be574a67-1639-44fd-93fd-c1607f696a84/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/e5cb4ec57b84/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/e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931

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_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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

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

exe e5cb4ec57b849e56cd6070388968d5eec2e0a8f1149d41cca2ab9463eb1ca931

(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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::GetAce
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::timeGetTime
WIN_BASE_API	Uses Win Base API	KERNEL32.DLL::LoadLibraryA
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetUseConnectionW

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