MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
SHA3-384 hash: 37b0dba3fcfafc2fb0269bb9f0d35fdc2a3a1c4634e6f5712c2e688f60125c623e7ab4a02bad01057f29cba7642cf46a
SHA1 hash: 961aef6f9a368b4aff7feb4a93d2b6bc021df382
MD5 hash: 7dd69bd070f7d84087733de6a6a4bfaf
humanhash: mars-pluto-three-purple
File name:1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
Download: download sample
Signature MassLogger
Create hunting rule
File size:573'440 bytes
First seen:2025-04-08 08:22:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:BdoAYyOn6nzx46bn/oO+Qzos9xTQNVGC85eyxZs5jvlijK:nY9n6nO6bngoFYjb8o2a16K
Threatray 1'017 similar samples on MalwareBazaar
TLSH T1A7C4F168664CEA17CAD55BB42A71F6B413B91EDEE901D2078FDDBDEF7832B101D40282
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 adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
332
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
Verdict:
Malicious activity
Analysis date:
2025-04-08 11:19:34 UTC
Tags:
evasion snake keylogger stealer telegram ims-api generic
Link:
https://app.any.run/tasks/bebea17a-88f3-4f35-a46a-c953ef81005e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4de83e011fe619fad2059
Tags:
masslogger virus 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
DNS request
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67f4dcebeb7eb0aee04265a4/reports/59e1748a-df83-41a3-b895-0d74e7af73ed/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/602575ac-ab1e-413f-9836-41b9ba562e77
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659116
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659116 Sample: cwbhqBBXVF.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 49 reallyfreegeoip.org 2->49 51 api.telegram.org 2->51 53 2 other IPs or domains 2->53 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 79 12 other signatures 2->79 8 cwbhqBBXVF.exe 7 2->8         started        12 RtErQpe.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 75 Tries to detect the country of the analysis system (by using the IP) 49->75 77 Uses the Telegram API (likely for C&C communication) 51->77 process4 dnsIp5 41 C:\Users\user\AppData\Roaming\RtErQpe.exe, PE32 8->41 dropped 43 C:\Users\user\...\RtErQpe.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp38CA.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\cwbhqBBXVF.exe.log, ASCII 8->47 dropped 81 Uses schtasks.exe or at.exe to add and modify task schedules 8->81 83 Adds a directory exclusion to Windows Defender 8->83 17 powershell.exe 23 8->17         started        20 powershell.exe 23 8->20         started        22 cwbhqBBXVF.exe 15 2 8->22         started        25 schtasks.exe 1 8->25         started        85 Antivirus detection for dropped file 12->85 87 Multi AV Scanner detection for dropped file 12->87 89 Injects a PE file into a foreign processes 12->89 27 RtErQpe.exe 12->27         started        29 schtasks.exe 12->29         started        61 127.0.0.1 unknown unknown 14->61 file6 signatures7 process8 dnsIp9 63 Loading BitLocker PowerShell Module 17->63 31 conhost.exe 17->31         started        33 WmiPrvSE.exe 17->33         started        35 conhost.exe 20->35         started        55 api.telegram.org 149.154.167.220, 443, 49685, 49686 TELEGRAMRU United Kingdom 22->55 57 checkip.dyndns.com 158.101.44.242, 49681, 49683, 80 ORACLE-BMC-31898US United States 22->57 59 reallyfreegeoip.org 104.21.112.1, 443, 49682, 49684 CLOUDFLARENETUS United States 22->59 37 conhost.exe 25->37         started        65 Tries to steal Mail credentials (via file / registry access) 27->65 67 Tries to harvest and steal browser information (history, passwords, etc) 27->67 39 conhost.exe 29->39         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 11:35:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cca6jyukwnnhawcojhcklw6xqoycze4a46l4lzkc3e7v5o62tk2q._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
MassLogger
22c52e17a54bd53ba24aadbfdaf2bccb14824594abe0b705e51f7c948296b1fc
MassLogger
903c2fec6a8f42547c6e3e66e5465fb1061c3e1d9aba8b6ca898dad587943490
MassLogger
a1c04004be787db87466c0b929c22782d672b23f7de53046076ae4d13d08f74f
MassLogger
a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5
MassLogger
error
MassLogger
f0b540b1edbd94b9a7b330505529477cbbf6742ad78008979661d30b8f54731a
MassLogger
+ 1'007 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250408-kaawxs1r19/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/cabc699d-77a0-476b-a661-0bc8f5601f91
Unpacked files
SH256 hash:
1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
MD5 hash:
7dd69bd070f7d84087733de6a6a4bfaf
SHA1 hash:
961aef6f9a368b4aff7feb4a93d2b6bc021df382
Link:
https://www.unpac.me/results/b3d45531-855e-463e-91a7-e4d209ca029f/
SH256 hash:
9ea4cad46e81963e7abc9fcdc20c26c68b4b0fd73cdf2536d4a8eda4734c1cf4
MD5 hash:
8fbc15d0bed535328393dc04318ee977
SHA1 hash:
2587e2af4104b4687f9ddaff0336a25dd2ea91cc
Link:
https://www.unpac.me/results/b3d45531-855e-463e-91a7-e4d209ca029f/
SH256 hash:
2031959b67cf28d179be43896b22577849e7b498eed267672679a7a03d17cd63
MD5 hash:
2474ab047b8bf1cc5e609e3e1e9f4859
SHA1 hash:
9a21d83408c13a9fe56c52f0d1a392e49730432f
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
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
Link:
https://www.unpac.me/results/b3d45531-855e-463e-91a7-e4d209ca029f/
Parent samples :
2e7fac97bc9785e461473c2776be1da2d9dfe7916753d4a3148c5055edeb9bd6
dbf83094e42dc231fe1a1b00f3fe1e4cbfaed8757afdb3d5a166e91d3b3733ea
3fd28257bdeaa92317003361ab95675732239e5282fde0ac2e2c7bf941ba1c98
15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e
b6c45c8c84ef7a1dfb09d090edb513c90561a1094cd3a25caa644a486e0828ae
1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
SH256 hash:
e5d6897fa930cbf890bbc408e38a4a7d959abb7e7addc485b1235ac85d8269a2
MD5 hash:
adc1c0499977bb1a726a275584300662
SHA1 hash:
a986a8bbb9cd774bdb5269a73e3eb818a363e872
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/b3d45531-855e-463e-91a7-e4d209ca029f/
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1081e4e28ab3/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/1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5

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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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: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)

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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