MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb03af81eb6bdfab97051e7b635b26e871cfb93c389bbb4f17ba6146d3be4a5. 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


Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efb03af81eb6bdfab97051e7b635b26e871cfb93c389bbb4f17ba6146d3be4a5
SHA3-384 hash: 10970fd9de8ab2a97244aab980c3e64224d67105aa86e46820b8cf4ce02e2834e6ab7da87c4e6c465b23fef02cde684f
SHA1 hash: d8921fdcca51693211a38c908bafc192a2874c98
MD5 hash: 677fe55a0385358afbb3f85ebc945c63
humanhash: king-cardinal-queen-dakota
File name:Xeon.trojan.sefety.exe
Download: download sample
File size:457'138 bytes
First seen:2025-05-01 03:36:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7e0a0e8f80bbd1a9c0078e57256f1c3d (5 x GCleaner, 4 x LummaStealer, 3 x CoinMiner)
ssdeep 6144:i7ELQOm8i037c6SPiz+8D73cabbrLvJuWREcJHnspWZuUD/2twmpLdtmxvlYOXB:pbQIi8rXTWcJHsp63L2tf6vKu
TLSH T173A47D0EE7E804F8E0B7E178D9524942E3BA784D0771D78F07A956662F273A09E3DB11
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon 00c4f0e8e8e8d400
Reporter jssakeie
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
401
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Xeon.trojan.sefety.exe
Verdict:
No threats detected
Analysis date:
2025-05-01 03:44:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e0ab678d-3988-40c9-8e0b-45bfc36e9348

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/5309/
Detection(s):
Win.Dropper.Nanocore-9986456-0
Create hunting rule

Win.Malware.Bladabindi-10008357-0
Create hunting rule

Win.Packed.Bladabindi-10017056-0
Create hunting rule

Win.Malware.Zenpak-10017873-0
Create hunting rule

SecuriteInfo.com.Variant.Tedy.742456.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6812f0cdcc5fb3600cc59845
Tags:
extens virus sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the system32 subdirectories
Creating a process from a recently created file
Running batch commands
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm fingerprint installer microsoft_visual_cc overlay overlay packed packed packer_detected sfx
Link:
https://www.filescan.io/uploads/6812ec2b218c4a98adea77c4/reports/6ad87be7-1f4c-45a3-9751-8835429ed3ac/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/efb03af81eb6bdfab97051e7b635b26e871cfb93c389bbb4f17ba6146d3be4a5
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c36dc273-6c5c-4294-a94d-3fb2c7b867fc
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1678637
Signature
Drops executables to the windows directory (C:\Windows) and starts them
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses shutdown.exe to shutdown or reboot the system
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1678637 Sample: Xeon.trojan.sefety.exe Startdate: 01/05/2025 Architecture: WINDOWS Score: 64 24 Multi AV Scanner detection for submitted file 2->24 8 Xeon.trojan.sefety.exe 11 2->8         started        process3 file4 22 C:\Windows\System32\...\XeonTrojan.exe, PE32+ 8->22 dropped 26 Drops executables to the windows directory (C:\Windows) and starts them 8->26 12 XeonTrojan.exe 1 8->12         started        signatures5 process6 signatures7 28 Multi AV Scanner detection for dropped file 12->28 15 cmd.exe 1 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 30 Uses shutdown.exe to shutdown or reboot the system 15->30 20 shutdown.exe 1 15->20         started        process10
Score:
55%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/efb03af81eb6bdfab97051e7b635b26e871cfb93c389bbb4f17ba6146d3be4a5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efb03af81eb6bdfab97051e7b635b26e871cfb93c389bbb4f17ba6146d3be4a5/
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-05-01 03:36:13 UTC
File Type:
PE+ (Exe)
Extracted files:
7
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56ydv6a6w267volqkht3mnnsn2drz64tyoe3xnhrpotbi3j34ssq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/250501-d5ysxaskt5/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Checks computer location settings
Executes dropped EXE
Verdict:
Malicious
Tags:
Win.Dropper.Nanocore-9986456-0
YARA:
n/a
Link:
https://app.threat.zone/submission/4944e799-6b40-432c-803c-41fa5e7f333c
Unpacked files
SH256 hash:
efb03af81eb6bdfab97051e7b635b26e871cfb93c389bbb4f17ba6146d3be4a5
MD5 hash:
677fe55a0385358afbb3f85ebc945c63
SHA1 hash:
d8921fdcca51693211a38c908bafc192a2874c98
Link:
https://www.unpac.me/results/1f989511-ee11-4906-bbe5-a38a31a3f14c/
SH256 hash:
85c617b65990016f985eaf2b7e5c4b593018e2249c55d1f449b866f70cab0a9d
MD5 hash:
7d14c9b4e5b36f76995dd62cc0d80bdb
SHA1 hash:
03d903de676ba67dee965daf4dbe5053f244b96b
Link:
https://www.unpac.me/results/1f989511-ee11-4906-bbe5-a38a31a3f14c/
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/efb03af81eb6bdfab97051e7b635b26e871cfb93c389bbb4f17ba6146d3be4a5

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:pe_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

Cape
Cape
https://www.capesandbox.com/analysis/5309/

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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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