MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 633482b19b6a22fd3ccf4913c6d1ac22ccf3272bf627ef5ae6dd2f49d1b90449. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 633482b19b6a22fd3ccf4913c6d1ac22ccf3272bf627ef5ae6dd2f49d1b90449
SHA3-384 hash: 17547b2ae9bcf3ef1c0560aa87c1fbf77b2a8311667346a62834318a4fbb41f769873e931a6e40952970975274fbf3ee
SHA1 hash: 8060434053311a3a333a3230773a2d4b8cc3cee5
MD5 hash: b45aaebc00c15eeec2bbed80ee98d08d
humanhash: florida-december-grey-leopard
File name:b45aaebc00c15eeec2bbed80ee98d08d.exe
Download: download sample
Signature Stealc
File size:4'877'824 bytes
First seen:2023-11-29 15:05:45 UTC
Last seen:2023-11-29 16:28:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 20b0403956cf314ea7b78939ce0c6521 (1 x Stealc)
ssdeep 49152:CVSYyiTlJ0hxmmnE3FvAddZXS0GvivyjNAqYBHd/iD5TK3fA10nz8jvjOOG+EKG:WifB3f38jbOgU
Threatray 1 similar samples on MalwareBazaar
TLSH T18E3640A6FBD2D8ABE176C33C84A7111B55AB7CCB3980F54F500FB1022D212989FDA55E
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 74e4d4d4ecf4d4d4 (23 x GuLoader, 20 x LummaStealer, 19 x AgentTesla)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://91.242.229.100/9cb3d6163ee69f03.php

Intelligence


File Origin
# of uploads :
2
# of downloads :
358
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file
Sending an HTTP GET request
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Gathering data
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:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Behaviour
Behavior Graph:
Threat name:
Win64.Infostealer.Stealc
Status:
Malicious
First seen:
2023-11-25 00:34:49 UTC
File Type:
PE+ (Exe)
Extracted files:
17
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://91.242.229.100
Unpacked files
SH256 hash:
633482b19b6a22fd3ccf4913c6d1ac22ccf3272bf627ef5ae6dd2f49d1b90449
MD5 hash:
b45aaebc00c15eeec2bbed80ee98d08d
SHA1 hash:
8060434053311a3a333a3230773a2d4b8cc3cee5
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

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