MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9142b5b7b642aa091229fbfbcdd808605f9e339beff397ce8792ede7f3ab5f0. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: a9142b5b7b642aa091229fbfbcdd808605f9e339beff397ce8792ede7f3ab5f0
SHA3-384 hash: 4522b4eecbcc787a30f8f254c4615f694d298b2c5244d7e0f42e522743789ecfd4c3244e73d2a5cf6000e5a8457bf93b
SHA1 hash: c88765272beb4b8d8e955ca7dd7bcb3309c7d515
MD5 hash: 20dc64acc5f5013e1887391dd6909583
humanhash: hamper-white-carpet-idaho
File name:up_boot_xw.exe
Download: download sample
Signature Stealc
File size:4'391'424 bytes
First seen:2026-02-02 18:33:41 UTC
Last seen:2026-02-02 19:48:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bbe72e2bf13858c5503f70bc0fd94b15 (2 x Stealc)
ssdeep 49152:qAqEhcLxgOxTjwN42olPqW1e9C8aj6bDpRusDdnht7ful+/eZq5UKPJ:4xzTj842olpqnDus5n3+sei1P
TLSH T16316BF29A479D0D6FCD301B17B99922264236F7BC93C295750B88B5CD289CEE073B17B
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter burger
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
116
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
up_boot_xw.exe
Verdict:
Malicious activity
Analysis date:
2026-02-02 18:32:16 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context microsoft_visual_cc packed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-02-02T15:35:00Z UTC
Last seen:
2026-02-04T08:00:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.Win64.StealC.ek Trojan.Win32.Inject.sb Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win64.StealC.sb Trojan-PSW.Lumma.HTTP.C&C
Result
Threat name:
Stealc v2
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Stealc v2
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1861886 Sample: up_boot_xw.exe Startdate: 02/02/2026 Architecture: WINDOWS Score: 100 34 lazaniaabstract.com 2->34 36 www.google.com 2->36 38 7 other IPs or domains 2->38 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 6 other signatures 2->50 8 up_boot_xw.exe 2->8         started        12 elevation_service.exe 2->12         started        14 elevation_service.exe 2->14         started        16 elevation_service.exe 2->16         started        signatures3 process4 dnsIp5 42 www.google.com 172.217.15.196, 443, 49699 GOOGLEUS United States 8->42 64 Writes to foreign memory regions 8->64 66 Allocates memory in foreign processes 8->66 68 Injects a PE file into a foreign processes 8->68 18 MSBuild.exe 20 8->18         started        22 MSBuild.exe 8->22         started        24 MSBuild.exe 8->24         started        signatures6 process7 dnsIp8 40 lazaniaabstract.com 172.67.163.147, 443, 49700, 49701 CLOUDFLARENETUS United States 18->40 52 Found many strings related to Crypto-Wallets (likely being stolen) 18->52 54 Tries to harvest and steal browser information (history, passwords, etc) 18->54 56 Writes to foreign memory regions 18->56 62 4 other signatures 18->62 26 conhost.exe 18->26         started        28 msedge.exe 18->28         started        30 msedge.exe 18->30         started        32 4 other processes 18->32 58 Unusual module load detection (module proxying) 22->58 60 Switches to a custom stack to bypass stack traces 22->60 signatures9 process10
Gathering data
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-02-02 18:33:07 UTC
File Type:
PE+ (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:354a15016c3d discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Stealc
Stealc family
Malware Config
C2 Extraction:
https://lazaniaabstract.com
Unpacked files
SH256 hash:
a9142b5b7b642aa091229fbfbcdd808605f9e339beff397ce8792ede7f3ab5f0
MD5 hash:
20dc64acc5f5013e1887391dd6909583
SHA1 hash:
c88765272beb4b8d8e955ca7dd7bcb3309c7d515
Malware family:
Stealc.v2
Verdict:
Malicious
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset

File information


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

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