MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9af77540fd21b25fc19ea6e6887ceff4850a014b40f51b2667d167f1559f143f. 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 12 File information Comments

SHA256 hash: 9af77540fd21b25fc19ea6e6887ceff4850a014b40f51b2667d167f1559f143f
SHA3-384 hash: 67265b8f93dbcc85899f32bdf2c8b85d42f2c5befd64647ba4ad2aab1019aee84b7c716ad53ad94e16a8b083b05bd997
SHA1 hash: 175291e1bf91c80ead4a2e7340f920080bf21389
MD5 hash: deba4dc44f8e948772763d0d07030995
humanhash: jersey-virginia-fourteen-september
File name:9af77540fd21b25fc19ea6e6887ceff4850a014b40f51b2667d167f1559f143f
Download: download sample
Signature MassLogger
File size:1'638'400 bytes
First seen:2025-04-08 07:24:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e20d1befae91c6a70101a4b1d8e08c6d (4 x RemcosRAT, 1 x DBatLoader, 1 x MassLogger)
ssdeep 24576:Hw440UDrITH4aAhglx2f3gB0C6tQuYK8WakuyKc7:HTWnfrC6BYKZa3q
TLSH T1AC759CEEA194D33ECFF3D674E94BA3EB98196E33D524B805169B1B085AE7ECD2010153
TrID 45.4% (.EXE) Win64 Executable (generic) (10522/11/4)
19.4% (.EXE) Win32 Executable (generic) (4504/4/1)
8.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
8.7% (.EXE) OS/2 Executable (generic) (2029/13)
8.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon fbbbd6d6c6dbd9c4 (4 x RemcosRAT, 3 x DBatLoader, 1 x DarkCloud)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
405
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9af77540fd21b25fc19ea6e6887ceff4850a014b40f51b2667d167f1559f143f
Verdict:
Malicious activity
Analysis date:
2025-04-08 08:21:29 UTC
Tags:
snake keylogger evasion stealer delphi dbatloader loader ims-api generic netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
delphi emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint keylogger
Result
Threat name:
DBatLoader, MSIL Logger, MassLogger RAT,
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files with a suspicious file extension
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
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 ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659036 Sample: iTxhCrB5jp.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 29 reallyfreegeoip.org 2->29 31 checkip.dyndns.org 2->31 33 checkip.dyndns.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 49 12 other signatures 2->49 8 iTxhCrB5jp.exe 6 2->8         started        signatures3 47 Tries to detect the country of the analysis system (by using the IP) 29->47 process4 file5 27 C:\Users\user\Links\nmbgmauN.pif, PE32 8->27 dropped 51 Drops PE files with a suspicious file extension 8->51 53 Writes to foreign memory regions 8->53 55 Allocates memory in foreign processes 8->55 57 2 other signatures 8->57 12 nmbgmauN.pif 15 2 8->12         started        16 cmd.exe 1 8->16         started        18 cmd.exe 1 8->18         started        signatures6 process7 dnsIp8 37 checkip.dyndns.com 193.122.6.168, 49681, 80 ORACLE-BMC-31898US United States 12->37 39 reallyfreegeoip.org 104.21.16.1, 443, 49682 CLOUDFLARENETUS United States 12->39 59 Detected unpacking (changes PE section rights) 12->59 61 Detected unpacking (overwrites its own PE header) 12->61 63 Tries to steal Mail credentials (via file / registry access) 12->63 65 Tries to harvest and steal browser information (history, passwords, etc) 12->65 67 Uses ping.exe to sleep 16->67 69 Uses ping.exe to check the status of other devices and networks 16->69 20 conhost.exe 16->20         started        22 PING.EXE 1 18->22         started        25 conhost.exe 18->25         started        signatures9 process10 dnsIp11 35 127.0.0.1 unknown unknown 22->35
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-03-24 12:58:29 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
dbatloader
Similar samples:
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader discovery trojan
Behaviour
Runs ping.exe
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Verdict:
Malicious
Tags:
Win.Trojan.Modiloader-10042434-0 404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
9af77540fd21b25fc19ea6e6887ceff4850a014b40f51b2667d167f1559f143f
MD5 hash:
deba4dc44f8e948772763d0d07030995
SHA1 hash:
175291e1bf91c80ead4a2e7340f920080bf21389
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:pe_detect_tls_callbacks
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Generic_Threat_d7b57912
Author:Elastic Security

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CreateStreamOnHGlobal
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

Comments