MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5aca57b445647b20ffc105a79ee56e5137967bb23f5690b315e78cb66058f9f. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5aca57b445647b20ffc105a79ee56e5137967bb23f5690b315e78cb66058f9f
SHA3-384 hash: 98aa1f418319d881d7e9de2e5a2517206ed05dbb8dda91d9dce7facc53573cd4c99cf9eafd6e4bfca8f1b65babb8aead
SHA1 hash: deca2e498b94e240fa1b2f0c643bcfc7536dc1b0
MD5 hash: 3c135ea956d2258a28b4f03a69e3b28f
humanhash: equal-nitrogen-alanine-pip
File name:XarsweLoader.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:87'494'571 bytes
First seen:2024-09-01 07:39:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (533 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 1572864:XRJ39K8EeKHQukq9MXs04B8ceyIS7nqYdd6hIEhSmn6nlN/cF+:Xo8EejBq9M8X/vP7nMhJnUXcA
TLSH T18F183345E2471625D809B4F0B9B8E5ABCDE1B98139E2E0F17F601F06E859B03BF618D7
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon c4dadadad2f492c2 (25 x GuLoader, 14 x RemcosRAT, 7 x AgentTesla)
Reporter likeastar20
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
462
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
XarsweLoader.exe
Verdict:
No threats detected
Analysis date:
2024-08-31 17:32:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/31296cf0-06b7-44cb-82c9-81cd5199a9ce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d41a5dad7abf2db5cfb9fe
Tags:
Discovery Execution Generic Network
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a window
Searching for the window
Searching for the Windows task manager window
Creating a file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Reading critical registry keys
Connection attempt
Searching for synchronization primitives
Creating a file in the %AppData% directory
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Deleting a recently created file
DNS request
Modifying a system file
Changing a file
Moving a file to the %AppData% subdirectory
Possible injection to a system process
Stealing user critical data
Launching a tool to kill processes
Forced shutdown of a browser
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
Link:
https://www.filescan.io/uploads/66d41a566e29f44ae2a5d276/reports/dc0b2a57-1cd0-431c-9433-eadad26009a8/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d5aca57b445647b20ffc105a79ee56e5137967bb23f5690b315e78cb66058f9f
Result
Verdict:
MALICIOUS
Result
Threat name:
LummaC Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1502409
Signature
Drops large PE files
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1502409 Sample: XarsweLoader.exe Startdate: 01/09/2024 Architecture: WINDOWS Score: 64 48 api.gofile.io 2->48 56 Yara detected LummaC Stealer 2->56 58 Yara detected Powershell download and execute 2->58 8 XarsweLoader.exe 12 283 2->8         started        12 Xarswe.exe 23 2->12         started        signatures3 process4 dnsIp5 36 C:\Users\user\AppData\...\vk_swiftshader.dll, PE32+ 8->36 dropped 38 C:\Users\user\AppData\Local\...\Xarswe.exe, PE32+ 8->38 dropped 40 C:\Users\user\AppData\Local\Temp\...\app.asar, data 8->40 dropped 46 19 other files (none is malicious) 8->46 dropped 60 Drops large PE files 8->60 52 api.gofile.io 51.38.43.18, 443, 49718, 49719 OVHFR France 12->52 54 20.240.211.93, 443, 49714, 49715 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->54 42 3f6bea7f-5692-423b...735ce11a10.tmp.node, PE32+ 12->42 dropped 44 36fa090b-0364-4fe7...0a6fc9adce.tmp.node, PE32+ 12->44 dropped 62 Tries to harvest and steal browser information (history, passwords, etc) 12->62 15 cmd.exe 1 12->15         started        17 cmd.exe 1 12->17         started        19 cmd.exe 12->19         started        21 2 other processes 12->21 file6 signatures7 process8 dnsIp9 24 WMIC.exe 1 15->24         started        26 conhost.exe 15->26         started        28 conhost.exe 17->28         started        30 reg.exe 1 17->30         started        32 conhost.exe 19->32         started        34 tasklist.exe 19->34         started        50 chrome.cloudflare-dns.com 172.64.41.3, 443, 49728 CLOUDFLARENETUS United States 21->50 process10
Score:
4%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/d5aca57b445647b20ffc105a79ee56e5137967bb23f5690b315e78cb66058f9f
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2wwkk62ekzd3ed74cbnht3sw4ujxsz53ep2wsczrlz4mwzqfr6pq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery execution spyware stealer
Link:
https://tria.ge/reports/240901-jhjncswakf/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Enumerates processes with tasklist
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/edfe8fa7-3ff7-42de-b512-58d2c6080e1c
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/d5aca57b445647b20ffc105a79ee56e5137967bb23f5690b315e78cb66058f9f

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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