MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
SHA3-384 hash: 31135d20e50a13907cf90c4d5c4ad47a989b2c05f4c962ad01e4b94969183591d6a39a793fff419564c28f4bbcbc6dfb
SHA1 hash: 72c2abd8b2fedb3a63ec239bf34d6ed722dbd8b3
MD5 hash: 4f2f75603b3e569aa58e271df79065a0
humanhash: skylark-march-wyoming-music
File name:TEKLİF TALEP VE FİYAT TEKLİFİ_xlsx.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:750'592 bytes
First seen:2024-10-21 15:05:11 UTC
Last seen:2024-10-23 07:43:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:MDkhMOoltiJleHU6o8lRK4Eh3tkZPejDMSurQrks8ZtaENCA6RbBUwuOB:MDkh5oDiJle0D3tkwjAXBs8Z0SGRaw
Threatray 1'313 similar samples on MalwareBazaar
TLSH T130F4129036FC6F2BDA3E6BF94474925243F394554412E72C6CD226EF4A62B068F30E5B
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 abuse_ch
Tags:exe geo MassLogger TUR

Intelligence

File Origin
# of uploads :
3
# of downloads :
410
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TEKLİF TALEP VE FİYAT TEKLİFİ_xlsx.exe
Verdict:
No threats detected
Analysis date:
2024-10-21 15:08:34 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/b8012597-221b-4f65-8e3d-b805ddae2f98

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.24470.30373.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67166de19e67c2468202d2d7
Tags:
Powershell Underscore Snake
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)
Searching for the window
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c7f570b-4b49-4347-8c04-6fd1120d8b25
Result
Threat name:
PureLog Stealer, Snake Keylogger, VIP Ke
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1538706
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
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
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
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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 Generic Downloader
Yara detected PureLog Stealer
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1538706 Sample: TEKL#U0130F TALEP VE F#U013... Startdate: 21/10/2024 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 api.telegram.org 2->48 50 2 other IPs or domains 2->50 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 68 17 other signatures 2->68 8 TEKL#U0130F TALEP VE F#U0130YAT TEKL#U0130F#U0130_xlsx.exe 7 2->8         started        12 koNbfQXa.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 46->64 66 Uses the Telegram API (likely for C&C communication) 48->66 process4 file5 38 C:\Users\user\AppData\Roaming\koNbfQXa.exe, PE32 8->38 dropped 40 C:\Users\...\koNbfQXa.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp75B5.tmp, XML 8->42 dropped 44 TEKL#U0130F TALEP ...#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 TEKL#U0130F TALEP VE F#U0130YAT TEKL#U0130F#U0130_xlsx.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 21 8->20         started        22 schtasks.exe 1 8->22         started        74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 24 koNbfQXa.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 52 api.telegram.org 149.154.167.220, 443, 49816, 49879 TELEGRAMRU United Kingdom 14->52 54 reallyfreegeoip.org 188.114.97.3, 443, 49717, 49719 CLOUDFLARENETUS European Union 14->54 56 checkip.dyndns.com 132.226.247.73, 49716, 49725, 49737 UTMEMUS United States 14->56 78 Loading BitLocker PowerShell Module 18->78 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        80 Tries to steal Mail credentials (via file / registry access) 24->80 82 Tries to harvest and steal browser information (history, passwords, etc) 24->82 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-10-21 13:37:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7miip5noqa7ufrdc6zgwt2mnsp66eetzzhyl4cjmhderzkraqjpq._file
Verdict:
malicious
Label(s):
vipkeylogger
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
2f7014c598a900f828893aeb0c0724d9f48c37c6987dfc12847525df174e0e81
MassLogger
356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa
MassLogger
84fb2ec298bec7a70493394b6d6caabcd0522a8f5f7753d8e725118c7e08da4e
MassLogger
9634a4f19306cf8e57396c40e99612888f2663cfe261e3640b836ad488cfe95b
MassLogger
ae26ace2f3bcb3c94a3a8af4a6684da129aa08d73c18a5311d7491d006b20042
MassLogger
error
MassLogger
f73021002ed86b0c0025a8b7384b5e122ae3df8db0b9dd4fa2d85b09f85cf32d
MassLogger
fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
MassLogger
+ 1'303 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/241021-sgqjyszdkl/
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
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1d8bdd27-5801-4b87-9608-8cd7ac364a18
Unpacked files
SH256 hash:
5b5afcc32ebc3cc54906296bae95752cf4bb87f35f0376d1555a8dc9ff44e105
MD5 hash:
4e202fb453329215f0aa5e18c31d39d4
SHA1 hash:
ffc66240f7bd189d716c810067cfdc78670a801b
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/8fc4cfd4-7db8-4077-be2c-43ee2437abfc/
SH256 hash:
4cd6c11429610324296e0e2051ab13a099af39b609f77e4b3a361a9495ca7b34
MD5 hash:
349e761a1327259cdce128e845505b0b
SHA1 hash:
99bd9945a209ada20920592b848bf571100d7e12
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8fc4cfd4-7db8-4077-be2c-43ee2437abfc/
Parent samples :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 hash:
e1557713ec59856d00ade1994862f6995137b234626b1f61d8c7d86cd530190a
MD5 hash:
bd7ee17993181beae934effac56ef77d
SHA1 hash:
5867d7def7f2eba5767e3c524a05d5650221f339
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Link:
https://www.unpac.me/results/8fc4cfd4-7db8-4077-be2c-43ee2437abfc/
Parent samples :
61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0
18a2d62cc5a151ec2c53c054572a0c762f4f7d6ed600526823a474498942a770
c4fcfe21455f3aa808eafdc8d0454c72019de3a104e518fc9f059335b4dc6202
a0a21dd376537c79ac0be99488eef94cf21475cd98de2c6cee0094a8fd52cdc0
c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918
08fc3b1fd5055344609064d31139e4a8e1c26d8c5d353b1ca97b4148f03d8823
3dcbee6ee102a689e41b9198c27fceed7962f5ce3861721032898e5771087d50
fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde
990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc
7bd9596f753e58ba917ba418c191af8fcb9b537e73ee6a86989960099585394f
ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a
SH256 hash:
fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
MD5 hash:
4f2f75603b3e569aa58e271df79065a0
SHA1 hash:
72c2abd8b2fedb3a63ec239bf34d6ed722dbd8b3
Link:
https://www.unpac.me/results/8fc4cfd4-7db8-4077-be2c-43ee2437abfc/
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/fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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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