MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 677074e2c7852d99ae47bcc355c3d77c3afa0391f9393012c3b1ef24957beacb. 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



Stealc


Vendor detections: 18


Intelligence 18 IOCs YARA 13 File information Comments 3

SHA256 hash: 677074e2c7852d99ae47bcc355c3d77c3afa0391f9393012c3b1ef24957beacb
SHA3-384 hash: 7647857e2d2ef9e7c3381b15c33d25510406f54dac2b5d67954421489f91ddb0672936bc6e23d036b75c7dc199bfc7dc
SHA1 hash: dbb98f9acb69446e52d48634c4ec4a10f6400b40
MD5 hash: a8b732ee59958581b2d5c62bb5b60c7a
humanhash: lemon-papa-pizza-lamp
File name:66ba1a1880f9e_crypta.exe
Download: download sample
Signature Stealc
File size:7'056'440 bytes
First seen:2024-09-05 10:30:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 49152:4MwLoO7M1PpHhsSXCz5nQsetO3FKS0KoBCtWuAJCfhLVBgYGBEGmKSRslvCU2f19:4hM1PBOSXU5QlOOKl9uVSRMK9oplZSJb
TLSH T181667D037BC5DD1AC06A8637CCFF851417FDEA862B03D6297999B75C28913692E0B1CE
TrID 30.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
17.8% (.EXE) InstallShield setup (43053/19/16)
12.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
4.3% (.EXE) Win64 Executable (generic) (10523/12/4)
Magika pebin
File icon (PE):PE icon
dhash icon cc9e9e4d69338ef0 (1 x Vidar, 1 x Stealc)
Reporter kddx0178318
Tags:exe Stealc


Avatar
kddx0178318
Source:
http[:]//147.45.44.104/revada/66ba1a1880f9e_crypta[.]exe#kiscr

C&C
http[:]//193.176.190.41/
http[:]//193.176.190.41/2fa883eebd632382.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
422
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://147.45.44.104/revada/66ba1a1880f9e_crypta.exe#kiscr
Verdict:
Malicious activity
Analysis date:
2024-09-05 07:47:09 UTC
Tags:
loader stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Infostealer Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net obfuscated overlay packed powershell stealc
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Tries to harvest and steal ftp login credentials
Yara detected AntiVM3
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1504766 Sample: 66ba1a1880f9e_crypta.exe Startdate: 05/09/2024 Architecture: WINDOWS Score: 100 24 time.windows.com 2->24 26 bg.microsoft.map.fastly.net 2->26 30 Suricata IDS alerts for network traffic 2->30 32 Found malware configuration 2->32 34 Antivirus detection for URL or domain 2->34 36 9 other signatures 2->36 9 66ba1a1880f9e_crypta.exe 1 2->9         started        signatures3 process4 file5 22 C:\Users\...\66ba1a1880f9e_crypta.exe.log, ASCII 9->22 dropped 12 MSBuild.exe 79 9->12         started        process6 dnsIp7 28 193.176.190.41, 49710, 80 AGROSVITUA unknown 12->28 38 Tries to harvest and steal ftp login credentials 12->38 16 cmd.exe 1 12->16         started        signatures8 process9 process10 18 conhost.exe 16->18         started        20 timeout.exe 1 16->20         started       
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-08-13 08:55:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:cry discovery stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Stealc
Malware Config
C2 Extraction:
http://193.176.190.41
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
86e9d60c29c635146be5eeb4d2df981010bb60d586cf553a75419772bbc0b302
MD5 hash:
6c2bc5b8b43a3118520f0951e4a5b2de
SHA1 hash:
cff937c3d22b83804890ca0584645ea2abaf224d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Parent samples :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 hash:
ccfd7fc1e44b3d9d763723537b649f1c6f98d576ea5db14e4d26c4d649245268
MD5 hash:
90832feeca44162f29f0d47ff3926b20
SHA1 hash:
23050a51494220b9cba5ae62b177cc9fa62f080a
SH256 hash:
677074e2c7852d99ae47bcc355c3d77c3afa0391f9393012c3b1ef24957beacb
MD5 hash:
a8b732ee59958581b2d5c62bb5b60c7a
SHA1 hash:
dbb98f9acb69446e52d48634c4ec4a10f6400b40
Detections:
SUSP_NET_Msil_Suspicious_Use_StrReverse SUSP_OBF_NET_Reactor_Indicators_Jan24
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:DebuggerCheck__PEB
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_Msil_Suspicious_Use_StrReverse
Author:dr4k0nia, modified by Florian Roth
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:https://github.com/dr4k0nia/yara-rules

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Distributed via drive-by

Comments



Avatar
commented on 2024-09-05 12:29:20 UTC

https://www.rgames31.com/grand-theft-auto-iv-full-version-gratis/
>>>
pwd protected initial 7z found under:
https://mikedownload.net/s/continue?cid=ADib2WaLMAQAdXoCAEVTFwAoAAAAAADS
or
https://bestcryptohardwallets.com/Grand_Theft_Auto_IV_PC_Game_Free_Download.zip?c=AAmW2WaLMAQAbnwCAEVTFwAoAAAAAAAS
>>>>>>>
C&C and other malware installation under:
http://185.143.223.148/api/crazyfish.php
http://185.143.223.148/api/twofish.php
http://185.143.223.148/api/twofish.php
http://147.45.44.104/prog/66d70e8640404_trics.exe
http://147.45.44.104/prog/66d707730e9bf_s.exe#space
http://176.111.174.109/bobr
http://31.41.244.9/nokia/lamp.exe
http://147.45.44.104/yuop/66d8985a256af_installer.exe
http://147.45.44.104/yuop/66d897ad1752a_File.exe#xin
http://147.45.44.104/yuop/66d897dfa580a_crypted.exe#1

Avatar
commented on 2024-09-05 12:02:23 UTC

https://bazaar.abuse.ch/sample/460361ce61ca71d68fbabc1232e4c8349d8f5959b9a2b29c1e99af1a953c9577/

Avatar
commented on 2024-09-05 11:51:47 UTC

https://mikedownload.net/s/continue?cid=ADib2WaLMAQAdXoCAEVTFwAoAAAAAADS