MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918. 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
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SHA256 hash: c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918
SHA3-384 hash: afc383ed065f7bd7a036784a3409867332bb825407dd9f00e63479944e5146f73a2577d1337881e025686afcf1e1900e
SHA1 hash: 63918ef85e4ee9d01edd4c0304e6f9682f90ee00
MD5 hash: 2cc0d4388df2a7acfae0a9dc3cceb3b5
humanhash: july-ink-salami-april
File name:TEKLİF TALEP VE FİYAT TEKLİFİ_xlsx.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:686'592 bytes
First seen:2024-10-07 12:50:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7nf0CC6f1ghqjmY+z40cZQT2R0Js0CI9KIvdosx6EJb5761F:7npC61lOz40gQT2SJM3+/pb5761
Threatray 439 similar samples on MalwareBazaar
TLSH T10DE42305B714FD4BEE2F07F48CDFA6449A16916BCB21C94C9A2C28A55EFB2041353B9E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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 :
1
# of downloads :
372
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TEKLİF TALEP VE FİYAT TEKLİFİ_xlsx.exe
Verdict:
Suspicious activity
Analysis date:
2024-10-07 12:56:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4cb4fb53-5243-4853-a92b-aa0b979fffe5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.48125.1587.31181.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6703d93db932c04ee8fdd6b9
Tags:
Powershell Underscore Snake
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918
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/c8c078f8-cd09-4256-9ae6-3e68dd9c9a5d
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1528049
Signature
.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
Antivirus detection for URL or domain
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 Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1528049 Sample: TEKL#U0130F TALEP VE F#U013... Startdate: 07/10/2024 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 Antivirus detection for URL or domain 2->62 68 16 other signatures 2->68 8 TEKL#U0130F TALEP VE F#U0130YAT TEKL#U0130F#U0130_xlsx.exe 7 2->8         started        12 YzkHZRBcm.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\YzkHZRBcm.exe, PE32 8->38 dropped 40 C:\Users\...\YzkHZRBcm.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpA1D9.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 23 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 YzkHZRBcm.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 52 api.telegram.org 149.154.167.220, 443, 49828, 49871 TELEGRAMRU United Kingdom 14->52 54 reallyfreegeoip.org 188.114.96.3, 443, 49729, 49740 CLOUDFLARENETUS European Union 14->54 56 checkip.dyndns.com 132.226.247.73, 49722, 49744, 49754 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/c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918/
Threat name:
Win32.Trojan.SnakeStealer
Create hunting rule
Status:
Malicious
First seen:
2024-10-07 08:25:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yo6a6ysjmtx33naqmsgib3itk6zi6kj44dimoybpzluffy323ema._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
vipkeylogger
Create hunting rule
Similar samples:
3836ce299f388dc89bf532e146457a98c55e122c453643785b91b4ef6e04ea4c
MassLogger
583de2725b0e962707682af3bed61ee4fdddb88b791bb0720d25a654ddac62c8
MassLogger
8135cf3c25e24f2315f421a86e5bdc1bb817bf51a15ad7fc9914cc127a6fa673
MassLogger
dbbe44a73528de0f741edc23e20665e27678fa3a966df5409f3cf4e86c3277ed
MassLogger
+ 429 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/241007-p3gmdszdqa/
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/8ba99df2-11d8-421a-92e9-3796fe557acb
Unpacked files
SH256 hash:
1d67e452994a58af5c909dd5c7098209e483190f93df194fa5b8e58edf9338f6
MD5 hash:
114609f57bfcd955a5290e2e2b485998
SHA1 hash:
7b08298fae292bd39b081ae16f1f14f21853a2af
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/d6c5f130-53a1-4875-9477-de41f44176f1/
SH256 hash:
e1557713ec59856d00ade1994862f6995137b234626b1f61d8c7d86cd530190a
MD5 hash:
bd7ee17993181beae934effac56ef77d
SHA1 hash:
5867d7def7f2eba5767e3c524a05d5650221f339
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
Link:
https://www.unpac.me/results/d6c5f130-53a1-4875-9477-de41f44176f1/
Parent samples :
61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0
18a2d62cc5a151ec2c53c054572a0c762f4f7d6ed600526823a474498942a770
c4fcfe21455f3aa808eafdc8d0454c72019de3a104e518fc9f059335b4dc6202
a0a21dd376537c79ac0be99488eef94cf21475cd98de2c6cee0094a8fd52cdc0
c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918
08fc3b1fd5055344609064d31139e4a8e1c26d8c5d353b1ca97b4148f03d8823
3dcbee6ee102a689e41b9198c27fceed7962f5ce3861721032898e5771087d50
fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde
990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc
7bd9596f753e58ba917ba418c191af8fcb9b537e73ee6a86989960099585394f
ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
Link:
https://www.unpac.me/results/d6c5f130-53a1-4875-9477-de41f44176f1/
SH256 hash:
c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918
MD5 hash:
2cc0d4388df2a7acfae0a9dc3cceb3b5
SHA1 hash:
63918ef85e4ee9d01edd4c0304e6f9682f90ee00
Link:
https://www.unpac.me/results/d6c5f130-53a1-4875-9477-de41f44176f1/
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/c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918

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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