MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 057bea08c25f28312901642ccf3c2caed7e042572570d24472f4648276d7d83c. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: 057bea08c25f28312901642ccf3c2caed7e042572570d24472f4648276d7d83c
SHA3-384 hash: 1e73d9a0a3d34cc2cf6de245a68eeeecbdcb419243a62f835e770da118946cfbcfdb1335e554ea7058bedc872c137b97
SHA1 hash: bb4388477596f5627e89d26170b3d39430658726
MD5 hash: a364e7a9bf4e026875f6ea48b6c8f42d
humanhash: blue-bakerloo-triple-charlie
File name:a364e7a9bf4e026875f6ea48b6c8f42d.exe
Download: download sample
Signature Stealc
File size:337'920 bytes
First seen:2024-08-20 11:21:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:DJeK41GvzqsmhZSMugj0W+qAColvQLC8TM41XI+ew43dN8saYTmeCV9m3tUZRabC:Ebkw0SZolvQxTMSI9N8snCHq3t2Rl2
TLSH T1DC749DE0D26BEB76C7DE0779F0190212A3FD85178943FB45689424A1EC1B342DA277EB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
369
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a364e7a9bf4e026875f6ea48b6c8f42d.exe
Verdict:
Malicious activity
Analysis date:
2024-08-20 11:24:45 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Static Variant
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
net_reactor packed packed risepro 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:
PureLog Stealer, Stealc
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected PureLog Stealer
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.StealC
Status:
Malicious
First seen:
2024-08-15 03:54:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:nord discovery stealer
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Stealc
Malware Config
C2 Extraction:
http://185.215.113.100
Unpacked files
SH256 hash:
bb6b16910a44ae7bd5fda3378b9888f4b37849d2b86ac3260af990b3b566c6fa
MD5 hash:
3df4d0ee10c4b97945152a37a68f1a84
SHA1 hash:
835fea622a93f8eb63e3c497c695a9be4a03848e
Detections:
stealc
SH256 hash:
057bea08c25f28312901642ccf3c2caed7e042572570d24472f4648276d7d83c
MD5 hash:
a364e7a9bf4e026875f6ea48b6c8f42d
SHA1 hash:
bb4388477596f5627e89d26170b3d39430658726
Detections:
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: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:NET
Author:malware-lu
Rule name:pe_imphash
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

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 (GUARD_CF)high

Comments