MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b. 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: 17


Intelligence 17 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b
SHA3-384 hash: df5f488c2382c4002897b452ace6340b578b16811fb43f4df4e57b69655607fd76f2a9b34325d409bdfa9d2168f01f59
SHA1 hash: c1de8962e7f9960805a4961cd362f62fda0acd0f
MD5 hash: 73a0baf0ac5433366072579e7924cf3f
humanhash: sweet-grey-low-charlie
File name:23601 Nolu Talebimiz-TEKLİF İSTEĞİ_xlsx.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:909'824 bytes
First seen:2025-08-07 08:02:47 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 24576:UTlgoULkDoM8Z/ex/uokpe2qkhlBH1dZXvIO:UJgoCkDoM4/jFPhlB1XIO
Threatray 3'882 similar samples on MalwareBazaar
TLSH T18615F11023A48924F5BF5BF56A61C1300B72BC26A5A1E25D96C9B8DF3D713D08DFA723
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 :
1
# of downloads :
97
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
23601NoluTalebimiz-TEKLFSTE_xlsx.exe
Verdict:
Malicious activity
Analysis date:
2025-08-07 08:06:36 UTC
Tags:
snake keylogger evasion telegram stealer auto-sch-xml ims-api generic
Link:
https://app.any.run/tasks/d5c1a52a-2840-4729-b2dd-61f1d05c2070

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/19427/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68945dde11d7f9b979e65366
Tags:
underscore micro virus spawn
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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap evasive lolbin masquerade msbuild obfuscated obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks snakestealer stego telegram vbc vbnet
Link:
https://www.filescan.io/uploads/68945ddd6d7bffa0a79f6b42/reports/c251b5c6-d334-4593-8e9b-0894f41eddd2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/30fffecd-6e5e-4d54-99c6-2e39f478d9cf
Result
Threat name:
MassLogger RAT, Snake Keylogger, VIP Key
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1752093
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 capture screen (.Net source)
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
Sample uses string decryption to hide its real strings
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 Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1752093 Sample: 23601 Nolu Talebimiz-TEKL#U... Startdate: 07/08/2025 Architecture: WINDOWS Score: 100 52 reallyfreegeoip.org 2->52 54 api.telegram.org 2->54 56 2 other IPs or domains 2->56 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 68 16 other signatures 2->68 8 23601 Nolu Talebimiz-TEKL#U0130F #U0130STE#U011e#U0130_xlsx.exe 7 2->8         started        12 KVOmiTFdTUr.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 52->64 66 Uses the Telegram API (likely for C&C communication) 54->66 process4 file5 38 C:\Users\user\AppData\...\KVOmiTFdTUr.exe, PE32 8->38 dropped 40 C:\Users\...\KVOmiTFdTUr.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp8DD4.tmp, XML 8->42 dropped 44 23601 Nolu Talebim...#U0130_xlsx.exe.log, ASCII 8->44 dropped 70 Adds a directory exclusion to Windows Defender 8->70 72 Injects a PE file into a foreign processes 8->72 14 powershell.exe 23 8->14         started        17 23601 Nolu Talebimiz-TEKL#U0130F #U0130STE#U011e#U0130_xlsx.exe 15 2 8->17         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        74 Multi AV Scanner detection for dropped file 12->74 24 KVOmiTFdTUr.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 76 Loading BitLocker PowerShell Module 14->76 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        46 checkip.dyndns.com 132.226.8.169, 49687, 49690, 49694 UTMEMUS United States 17->46 48 api.telegram.org 149.154.167.220, 443, 49720, 49723 TELEGRAMRU United Kingdom 17->48 50 reallyfreegeoip.org 104.21.48.1, 443, 49692, 49693 CLOUDFLARENETUS United States 17->50 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 36 conhost.exe 26->36         started        signatures9 process10
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.29 Win 32 Exe x86
Link:
https://app.malva.re/file/73a0baf0ac5433366072579e7924cf3f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-08-07 07:51:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 23 (78.26%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ttftxu72n6vxobn24surqgmotzetdduaaj6ftcvooy3lpshowfq._file
Verdict:
malicious
Label(s):
vipkeylogger
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
142a7242e18f3d827d84908b9dc9bec3ed7c5de36e5c73e0954b5058ec44490c
MassLogger
1651a7b68f3468fdd53cc4f61e652491e4eb9ede675eb10b728a8e96e00a9581
MassLogger
a99557a845d8d3d6a2f5d4ee8f51baf5b19960ddb827f1668598942737b8952c
MassLogger
dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b
MassLogger
e1c7a0142096027135342d53d50e982ca0db4683cb578fa7528f7da6394397d6
MassLogger
error
MassLogger
+ 3'872 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250807-jxzywsek3y/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1f09a1a3-1b09-4034-84f7-d91943517b9a
Unpacked files
SH256 hash:
dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b
MD5 hash:
73a0baf0ac5433366072579e7924cf3f
SHA1 hash:
c1de8962e7f9960805a4961cd362f62fda0acd0f
Link:
https://www.unpac.me/results/e0a2c20e-5980-4ba7-b745-d9bde6fdb80e/
SH256 hash:
8e418ef5d04950ad8acd7ae087fe61651bfea2c85bb0c6ebfe7ae06445dc7459
MD5 hash:
08e37296612545fffe5a8612a4a80a39
SHA1 hash:
25e7acfc2af83bedc107ccc3b80c2924b1a68658
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_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/e0a2c20e-5980-4ba7-b745-d9bde6fdb80e/
Parent samples :
6d5f54e3d4cc2f29b7efb29994828bf0ddf7b91ee44c17134f72947263c43f77
9cc3509d0971ef4d17669266b88c3e7c47e47581b277c5c8e4a59b93ef761c9b
ab0e1d7e551816ee2e46dfd74c50906118da48af18c6f8d2d91071310cbb7dbe
dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b
68dd97817032c05c6123e53bb7e4139e5c2d4895aaa343d4cff5ba2ab7f257b6
a09d6699c8aad5ef8e6cc60745ffa8764da18b41e92e3f02da1f45b70c74d695
SH256 hash:
8a0cb1078c36b3b6f7a4107df3f2b0338199997d6171d5892e6ca6386729ab2a
MD5 hash:
eb18e62f475573d7827b3f6217544ca4
SHA1 hash:
440c4e406e0d5ac5b1a6d8636f661b1fef3c8985
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/e0a2c20e-5980-4ba7-b745-d9bde6fdb80e/
Parent samples :
dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b
d1a7c0ca70eb4da003a44a8eea966eea7610f21dfcffa7264be2ec56e8dc8591
c2a263cc53bc82d9b66695d8a866d1097a458bc59be40d2ac6b2fb136d2e891c
3ae52f38b463fa450629da184d223a27e5002f72f83e98d584ea3034511d0427
15dd00278c6809c9e476a6e86036f1b752c468d2bdf139fdd453d7d80a5e7459
35a6c90aeed158cbca180d1b3116e6d07cdfdc41731243f01896bec972b99255
5a0211a088e32bc1456d5762c0d09e3e172388a0930fafb94a42f8eee9266c3e
e6278519074f69f35442584cd11ceafbc90f84e9cc9bb8a542b1c39cf253f5bb
cb3c37115d314c01bdc7c55e3d685ca91065842745fdf1b74f73a46be6ef27c6
699b91f69cd0d059794175c55675ad931a2eaa18cb713523265429da6b021633
6f9e7f2f753573b0f2686c72dfb4bd2c174cb5ae9e435f36bb9f4b87145df44a
8b11fcca89381e3f89964db156074fb4d4a00a5b0963010fd9396a2463e84034
b5f7ce31c9333182fd55674e84e7a60e21cfdc92cf6b3b7286be53923a03386c
bbd64c624d3ee6df910c2704ab3040d756550476cb446aaa6147cc4914f89ebe
b6e88036965099c2a668babccab6718f461c41e46139f11f5c95f24bee8bea16
4fab45e74fbf938b743767cffaa3273209f65c917c3d025b0913eed0c1e6499a
08711531856f5bac25163365862fc8a0f2c08eb8d19ea89b4d688f12ef5e841c
SH256 hash:
a81ff8867519f5b206d06ea780ed7b8f40b32fe1b380f4860aca679bedfef2f5
MD5 hash:
f22236f1fe8ddfd0214fb2c356c4494b
SHA1 hash:
af73a818a6c20c9c840205cbbbbdf28b07a3dba8
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/e0a2c20e-5980-4ba7-b745-d9bde6fdb80e/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dce659de9fd3/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/dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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_DotNetProcHook
Create hunting rule
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. 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:matiex
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked matiex malware samples.
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_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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 dce659de9fd37d5bb82dd72548c0cc74f2498c740013e2cc5573b1b5be47758b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/19427/

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 (GUARD_CF)high

Comments