MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea1a35ea870465623c9478c6a1afb90cdca0579189a45eda755afbe2cd9d022f. 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 8 File information Comments

SHA256 hash: ea1a35ea870465623c9478c6a1afb90cdca0579189a45eda755afbe2cd9d022f
SHA3-384 hash: 9f8fa6beeceefa900e9a02cdcf275f37a22de1807dd96767472175f772c6c88770f467a771b6ffb7b0a71a8049e1ad71
SHA1 hash: 9d6a8e899377b91a0a8d8b48c408592a7e5b319c
MD5 hash: 231d6f6e2b152211dd77d81b609cc6a8
humanhash: papa-pasta-beer-football
File name:Cari_Ekstre_03112025.exe
Download: download sample
Signature MassLogger
File size:761'864 bytes
First seen:2025-03-11 20:39:48 UTC
Last seen:2025-03-11 22:29:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Euc154zv2D4TWqyt5FpF5d8tgt8hsKveDTpst8cvwNaI18H319/zyxeLiXEnkR:EuNk4NyHF52sK2D1sacIA719/zvLGEy
Threatray 87 similar samples on MalwareBazaar
TLSH T146F41265A7ACEF41D5F917F40A72D27107F56E9DE820D6068DDCECEB38A0718312A362
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
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
3
# of downloads :
547
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4ee5c38d0eb3477c86f735a80d9e8ea3.zip_
Verdict:
Suspicious activity
Analysis date:
2025-03-11 12:09:54 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
agensla micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated packed packed packer_detected signed
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.
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
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1635647 Sample: Cari_Ekstre_03112025.exe Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 43 ipqualityscore.com 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 11 other signatures 2->51 8 Cari_Ekstre_03112025.exe 7 2->8         started        12 ajHtTSDlj.exe 5 2->12         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\ajHtTSDlj.exe, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\tmpAAE5.tmp, XML 8->39 dropped 41 C:\Users\...\Cari_Ekstre_03112025.exe.log, ASCII 8->41 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 8->53 55 Adds a directory exclusion to Windows Defender 8->55 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 schtasks.exe 1 8->19         started        25 2 other processes 8->25 57 Multi AV Scanner detection for dropped file 12->57 21 schtasks.exe 1 12->21         started        23 ajHtTSDlj.exe 12->23         started        signatures6 process7 signatures8 59 Loading BitLocker PowerShell Module 14->59 27 conhost.exe 14->27         started        29 WmiPrvSE.exe 14->29         started        31 conhost.exe 17->31         started        33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        process9
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2025-03-11 08:44:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
ea1a35ea870465623c9478c6a1afb90cdca0579189a45eda755afbe2cd9d022f
MD5 hash:
231d6f6e2b152211dd77d81b609cc6a8
SHA1 hash:
9d6a8e899377b91a0a8d8b48c408592a7e5b319c
SH256 hash:
b739d9dbe31a94eaab91702c194014ec763bc1fc80862c130303fbf95d9d07e9
MD5 hash:
64e97423ae88b7958ad029093989f4d7
SHA1 hash:
7557106412cb0b1f8fa7dec121783a025d94d888
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
45b73ebbddc3937ed579095fcc667971acc1cfc0da4d99819f7a36b3c9c86c0b
MD5 hash:
549cf2274512d3d308813748f2dda1ac
SHA1 hash:
fe487045d5f8b6f7928a6cd6095853ef8270cd81
Detections:
win_mofksys_auto SUSP_Imphash_Mar23_2
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
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 ea1a35ea870465623c9478c6a1afb90cdca0579189a45eda755afbe2cd9d022f

(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

Comments