MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcd6cf9ae14f189191f56ddd643585681fd65271ff7f0c6a4ba9000a316d3001. 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


Expiro


Vendor detections: 15


Intelligence 15 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcd6cf9ae14f189191f56ddd643585681fd65271ff7f0c6a4ba9000a316d3001
SHA3-384 hash: 76e16b7fa0723eae0aed54e41e50708f0536469f98795948eb1bdc2bab68bd99145df82be92171c464c2b6ed9cd67512
SHA1 hash: f52a3b324ca8e13b10fc9b24c20c5e77749f2fce
MD5 hash: 150a70d506062b9032a767e8d974c053
humanhash: blue-item-aspen-maryland
File name:INQ-NO-0586878-PO-068680-09-2025-PR103048.exe
Download: download sample
Signature Expiro
Create hunting rule
File size:3'355'136 bytes
First seen:2025-09-15 13:34:26 UTC
Last seen:2025-09-16 06:16:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c9596ccdffde444fa435c5f9042f7548 (3 x PhantomStealer, 1 x Expiro, 1 x AgentTesla)
ssdeep 49152:UVLbiVakbNtuELMGyT4FmhED8lMMH5ky52fBINLB9QkIblC7Dmg27RnWGj:SkVhaED8J5kyEfaD527BWG
TLSH T134F5D016E3D801B9D52BD638CA518333D6B0B8564765E58F0A9DEA592F33E908F3F312
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
Reporter lowmal3
Tags:exe Expiro

Intelligence

File Origin
# of uploads :
2
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INQ-NO-0586878-PO-068680-09-2025-PR103048.exe
Verdict:
Malicious activity
Analysis date:
2025-09-15 13:35:05 UTC
Tags:
m0yv auto-reg stealer phantom crypto-regex evasion arch-doc
Link:
https://app.any.run/tasks/c6111b03-efb7-4d2e-85ad-72b6ac89d187

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/27555/
Detection(s):
SecuriteInfo.com.Win32.Expiro-3.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c815fce579c633a4b563b6
Tags:
virus hype sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Modifying a system executable file
Launching a process
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Reading critical registry keys
Creating a file in the %temp% subdirectories
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Infecting executable files
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto fingerprint hacktool masquerade microsoft_visual_cc obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68c816090d1238ff0aac3157/reports/2e637554-47d7-4eb9-b447-ed4c2e7c1adf/overview
Verdict:
Malicious
Labled as:
Win64.Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/bcd6cf9ae14f189191f56ddd643585681fd65271ff7f0c6a4ba9000a316d3001
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-15T09:35:00Z UTC
Last seen:
2025-09-15T09:35:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/bcd6cf9ae14f189191f56ddd643585681fd65271ff7f0c6a4ba9000a316d3001/results?tab=lookup
Malware family:
Expiro
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/758e2714-942d-4872-bf19-36fafd03b48a
Result
Threat name:
Nitol, Phantom stealer
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1777805
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to behave differently if execute on a Russian/Kazak computer
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates a thread in another existing process (thread injection)
Drops executable to a common third party application directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Modifies existing user documents (likely ransomware behavior)
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Nitol
Yara detected Phantom stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777805 Sample: INQ-NO-0586878-PO-068680-09... Startdate: 15/09/2025 Architecture: WINDOWS Score: 100 70 server2.uaedes.ae 2->70 72 ftp.mailo.com 2->72 74 17 other IPs or domains 2->74 96 Found malware configuration 2->96 98 Antivirus / Scanner detection for submitted sample 2->98 100 Multi AV Scanner detection for submitted file 2->100 102 11 other signatures 2->102 9 INQ-NO-0586878-PO-068680-09-2025-PR103048.exe 1 2->9         started        13 msedge.exe 2->13         started        16 firefox.exe 1 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 68 C:\Program Files (x86)\...\armsvc.exe, PE32 9->68 dropped 114 Found many strings related to Crypto-Wallets (likely being stolen) 9->114 116 Writes to foreign memory regions 9->116 118 Allocates memory in foreign processes 9->118 120 4 other signatures 9->120 20 InstallUtil.exe 26 113 9->20         started        90 192.168.2.16 unknown unknown 13->90 92 192.168.2.6 unknown unknown 13->92 94 2 other IPs or domains 13->94 25 msedge.exe 13->25         started        27 setup.exe 13->27         started        29 msedge.exe 13->29         started        37 2 other processes 13->37 31 firefox.exe 3 159 16->31         started        33 conhost.exe 18->33         started        35 conhost.exe 18->35         started        file6 signatures7 process8 dnsIp9 76 server2.uaedes.ae 172.105.63.115, 49734, 587 LINODE-APLinodeLLCUS United States 20->76 84 2 other IPs or domains 20->84 56 C:\Users\user\AppData\...\SQRKHNBNYN.pdf, ASCII 20->56 dropped 58 C:\Users\user\AppData\...\SFPUSAFIOL.jpg, ASCII 20->58 dropped 60 C:\Users\user\AppData\...\WKXEWIOTXI.xlsx, ASCII 20->60 dropped 66 3 other files (2 malicious) 20->66 dropped 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->104 106 Tries to steal Mail credentials (via file / registry access) 20->106 108 Found many strings related to Crypto-Wallets (likely being stolen) 20->108 110 7 other signatures 20->110 39 msedge.exe 20->39         started        42 chrome.exe 20->42 injected 44 firefox.exe 1 20->44         started        52 3 other processes 20->52 78 s-part-0041.t-0009.t-msedge.net 13.107.246.69, 443, 49698, 49726 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->78 80 ln-0007.ln-msedge.net 150.171.22.17, 443, 49688 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->80 86 32 other IPs or domains 25->86 46 setup.exe 27->46         started        82 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49769, 49772, 80 GOOGLEUS United States 31->82 88 7 other IPs or domains 31->88 62 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 31->62 dropped 64 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 31->64 dropped 48 firefox.exe 31->48         started        50 firefox.exe 31->50         started        file10 signatures11 process12 signatures13 112 Monitors registry run keys for changes 39->112 54 msedge.exe 39->54         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bcd6cf9ae14f189191f56ddd643585681fd65271ff7f0c6a4ba9000a316d3001
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/150a70d506062b9032a767e8d974c053
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bcd6cf9ae14f189191f56ddd643585681fd65271ff7f0c6a4ba9000a316d3001/
Threat name:
Win64.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 13:39:45 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xtlm7gxbj4mjdepvnxowinmfnap5mutr757qy2slveaaumlngaaq._file
Result
Malware family:
phantomstealer
Create hunting rule
Score:
  10/10
Tags:
family:phantomstealer collection defense_evasion discovery persistence ransomware spyware stealer trojan
Link:
https://tria.ge/reports/250915-qvmdcazxd1/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies Control Panel
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks whether UAC is enabled
Looks up external IP address via web service
Executes dropped EXE
Reads user/profile data of web browsers
Phantomstealer family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9307a09f-248c-4081-80e9-52aa5a283f81
Unpacked files
SH256 hash:
bcd6cf9ae14f189191f56ddd643585681fd65271ff7f0c6a4ba9000a316d3001
MD5 hash:
150a70d506062b9032a767e8d974c053
SHA1 hash:
f52a3b324ca8e13b10fc9b24c20c5e77749f2fce
Link:
https://www.unpac.me/results/09dc1c7e-b0a3-4a95-956c-a268a5347c35/
Malware family:
Expiro
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bcd6cf9ae14f/report/overview.html
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:NET
Create hunting rule
Author:malware-lu
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_ebf62328
Create hunting rule
Author:Elastic Security
Rule name:win_m0yv_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.m0yv.

File information

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

Malspam

Expiro

Executable exe bcd6cf9ae14f189191f56ddd643585681fd65271ff7f0c6a4ba9000a316d3001

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/27555/

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