MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77dc585b0ecd40a90b699fda6d765d9fc07513f89e2d41e7e71d1fe3a7fc4e36. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77dc585b0ecd40a90b699fda6d765d9fc07513f89e2d41e7e71d1fe3a7fc4e36
SHA3-384 hash: f25807b3da60e357e6a8d8ee2202cd65b2b9ac114a85224db0431011752ff2e4c1fdfad9e6d02b96bc8a967abef2b503
SHA1 hash: fc1803615cd59ef6d08b57b7d8b988acd831934e
MD5 hash: 6e1e084e675e2805703c14868226d9fd
humanhash: mango-zebra-football-charlie
File name:script.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:762'368 bytes
First seen:2025-03-21 20:32:47 UTC
Last seen:2025-03-22 16:14:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d743740f06aa0a325bb5c948f63319ce (24 x LummaStealer, 3 x Vidar)
ssdeep 12288:zJwFlRKCVTrpBdHY2ebSlZO19bjYN47BS3Mh3ayG4etZMaUB/Bf8+9BlVKlWY9SH:zURrRYJbSljkD3ayG7LjUBh8yHKvSnH
Threatray 11 similar samples on MalwareBazaar
TLSH T184F4A0AF71A72485FD624C30AEF87620DB57387ACE2AD5F14695E0302E360D2EC56E17
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 tcains1
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
3
# of downloads :
511
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ddce5e9388e75d078f2e9b
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin microsoft_visual_cc msbuild packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ddcd08c9c620e61824b461/reports/4b40f433-ef64-4868-ade2-c9f0d6a7b0a6/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/77dc585b0ecd40a90b699fda6d765d9fc07513f89e2d41e7e71d1fe3a7fc4e36
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6987017d-666d-4011-8cfe-a25cc92fb275
Result
Threat name:
LummaC Stealer, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1645541
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies power options to not sleep / hibernate
Multi AV Scanner detection for dropped file
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 is not signed and drops a device driver
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: Silenttrinity Stager Msbuild Activity
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Uses powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LummaC Stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1645541 Sample: script.exe Startdate: 21/03/2025 Architecture: WINDOWS Score: 100 60 pastebin.com 2->60 62 wxayfarer.live 2->62 80 Found malware configuration 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 Yara detected LummaC Stealer 2->84 88 8 other signatures 2->88 11 script.exe 1 2->11         started        signatures3 86 Connects to a pastebin service (likely for C&C) 60->86 process4 signatures5 96 Writes to foreign memory regions 11->96 98 Allocates memory in foreign processes 11->98 100 Injects a PE file into a foreign processes 11->100 14 MSBuild.exe 1 11->14         started        19 MSBuild.exe 11->19         started        21 conhost.exe 11->21         started        process6 dnsIp7 66 185.215.113.51, 49728, 49730, 49731 WHOLESALECONNECTIONSNL Portugal 14->66 68 wxayfarer.live 104.21.32.1, 443, 49716, 49717 CLOUDFLARENETUS United States 14->68 58 C:\...\LG7868LOLQDRDZRTCWQYK5ZS55MTJX.exe, PE32 14->58 dropped 70 Query firmware table information (likely to detect VMs) 14->70 72 Tries to harvest and steal ftp login credentials 14->72 74 Tries to harvest and steal browser information (history, passwords, etc) 14->74 76 Tries to steal Crypto Currency Wallets 14->76 23 LG7868LOLQDRDZRTCWQYK5ZS55MTJX.exe 15 31 14->23         started        78 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 19->78 file8 signatures9 process10 dnsIp11 64 pastebin.com 104.20.3.235, 443, 49729 CLOUDFLARENETUS United States 23->64 54 C:\ProgramData\Dllhost\WinRing0x64.sys, PE32+ 23->54 dropped 56 C:\ProgramData\Dllhost\winlogson.exe, PE32+ 23->56 dropped 92 Multi AV Scanner detection for dropped file 23->92 94 Sample is not signed and drops a device driver 23->94 28 cmd.exe 1 23->28         started        31 cmd.exe 1 23->31         started        33 cmd.exe 1 23->33         started        file12 signatures13 process14 signatures15 102 Encrypted powershell cmdline option found 28->102 104 Uses schtasks.exe or at.exe to add and modify task schedules 28->104 106 Uses powercfg.exe to modify the power settings 28->106 108 Modifies power options to not sleep / hibernate 28->108 35 powershell.exe 22 28->35         started        38 conhost.exe 28->38         started        40 powercfg.exe 1 28->40         started        50 2 other processes 28->50 42 conhost.exe 31->42         started        44 schtasks.exe 1 31->44         started        46 conhost.exe 33->46         started        48 schtasks.exe 1 33->48         started        process16 signatures17 90 Loading BitLocker PowerShell Module 35->90 52 WmiPrvSE.exe 35->52         started        process18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/77dc585b0ecd40a90b699fda6d765d9fc07513f89e2d41e7e71d1fe3a7fc4e36
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77dc585b0ecd40a90b699fda6d765d9fc07513f89e2d41e7e71d1fe3a7fc4e36/
Threat name:
Win64.Backdoor.Cobalt
Create hunting rule
Status:
Malicious
First seen:
2025-03-21 20:33:10 UTC
File Type:
PE+ (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7ofqwyozvaksc3jt7ng25s5t7ahke7ytywudz7hdup6hj74jy3a._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
Similar samples:
34849bd108d55fc172e290198157a54ac05295d198f7187f74f31dc5a4376c3e
LummaStealer
54935b0435fc5cc540c1a6dc6c702e1614a7fe9e465bbb60c43208393602aa0b
LummaStealer
5a84f8015c00499d691df2724b50c08376d0ae4e62fc4e5abb1a3497ec3b438e
LummaStealer
aba877064f30592320733ada4172fbedd1dd255a29ef63163e054739dd68f947
LummaStealer
e376e9a36251098ae0694489a75c1264d76cbbeacd15b759750f515b2f045d7f
LummaStealer
error
LummaStealer
+ 1 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250321-zbwmcayxaz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb24d9a3-c10e-4ecc-a70c-af8b6871630f
Unpacked files
SH256 hash:
77dc585b0ecd40a90b699fda6d765d9fc07513f89e2d41e7e71d1fe3a7fc4e36
MD5 hash:
6e1e084e675e2805703c14868226d9fd
SHA1 hash:
fc1803615cd59ef6d08b57b7d8b988acd831934e
Link:
https://www.unpac.me/results/d8dd81ef-7f4c-4247-ae28-f83350ceb85a/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77dc585b0ecd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77dc585b0ecd40a90b699fda6d765d9fc07513f89e2d41e7e71d1fe3a7fc4e36

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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.

Web download

LummaStealer

Executable exe 77dc585b0ecd40a90b699fda6d765d9fc07513f89e2d41e7e71d1fe3a7fc4e36

(this sample)

  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

Comments