MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c. 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 4 File information Comments

SHA256 hash: 81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c
SHA3-384 hash: 2b2c568ee3d090e47af9a12822796c1a0ca5f1460b03c4c22e737fa5951271c7880ba60fca96aac8ea16d5ad251b5725
SHA1 hash: 1cdc0db263beeb8ba6c26b9c62b10db6e79e0583
MD5 hash: c0cce4c369d536cafb7464bc10a9fa31
humanhash: skylark-thirteen-nuts-snake
File name:a41b566f81de4c89905cfd4efaaa328e_build.exe
Download: download sample
Signature Stealc
File size:1'202'176 bytes
First seen:2025-12-12 16:13:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a5b310f9d4f00c8acda6d82e7d9b29ff (11 x Stealc)
ssdeep 24576:pTF9Ny6xyHGHXXDUNgbGhAnpj7VOZC/6MZOyjbeAffmwKWJ+2uY:/eGHHDUNgbyAnpj7wZFMZOyHezHQ
TLSH T1CC45BD25B71400A5E4E650B9B93163D9E6ADF30F0F784F5A769C08791BE2FF3082A65C
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter amznemu
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
ID ID
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c.exe
Verdict:
Malicious activity
Analysis date:
2025-12-12 16:15:07 UTC
Tags:
stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
emotet crypt shell sage
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-10T16:50:00Z UTC
Last seen:
2025-12-12T06:09:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win64.StealC.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win32.StealC.v2 Trojan-Spy.Win32.Stealer.foho Trojan-PSW.Win32.Coins.sb Trojan.Win32.Inject.sb Trojan-Spy.Stealer.TCP.C&C
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.StealC
Status:
Malicious
First seen:
2025-12-11 03:48:08 UTC
File Type:
PE+ (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:iux8ys0ok6vi7e635b defense_evasion stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Enumerates VirtualBox registry keys
Stealc
Stealc family
Malware Config
C2 Extraction:
https://content-distribution-v2.pro
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81403f9410cd7508841e32d1dfcf398eabf65033c6da4ac8fce342143af1551c
MD5 hash:
c0cce4c369d536cafb7464bc10a9fa31
SHA1 hash:
1cdc0db263beeb8ba6c26b9c62b10db6e79e0583
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
Rule name:ThreadControl__Context
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.

Comments