MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3beec53689621545852b611ccbeb6d6171032286bf85ba1a73a2a14c967c990a. 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



LummaStealer


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 3beec53689621545852b611ccbeb6d6171032286bf85ba1a73a2a14c967c990a
SHA3-384 hash: b9f79b7da24b7404ef0336e731f5728adc78266dc309f732b030fd496b76773265c80d2300e34e9539bfafc088173f7b
SHA1 hash: 966eb0d18c4ceec9f38e5f24519d2b416a02869d
MD5 hash: 5224751a5e488bc34c989ba645ad8d5c
humanhash: nitrogen-zulu-four-finch
File name:gcsoft.exe
Download: download sample
Signature LummaStealer
File size:64'148'992 bytes
First seen:2025-06-23 16:44:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3132b97acae9eb7f3053e4d14c497a51 (12 x LummaStealer, 3 x Stealc, 1 x StormKitty)
ssdeep 24576:MMcm3JE3VPxEw/5D2F7LD6Rp5xdH4y+dk5xdH4y+d:T8VPiwhDRjxwqxw
Threatray 501 similar samples on MalwareBazaar
TLSH T1B8E7E028E255A3EAFD2B50B945A16184B462B933C7346FEF93D4D3335E137C16E2A324
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 LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
479
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
gcsoft.exe
Verdict:
Malicious activity
Analysis date:
2025-06-23 16:45:16 UTC
Tags:
telegram lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
virus crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt fingerprint microsoft_visual_cc overlay overlay packed packed packer_detected
Result
Threat name:
LummaC Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal from password manager
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win64.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-06-23 16:45:17 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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__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:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Comments