MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5f8cde1a18c395f639e94b3387760bc52c48555bcc3a84233fc5d81e8970304. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e5f8cde1a18c395f639e94b3387760bc52c48555bcc3a84233fc5d81e8970304
SHA3-384 hash: 0d5224fc5204a92c8b62eb3da4f89dcde22f92c1e07b6896e08597810c8354c3ae59ec4d6b6be1d1b70686b8b8f4c47e
SHA1 hash: db9f9ec891dab5e3d2a7ba877b7f6c1f0dc56541
MD5 hash: cc761ddc48d5e536d78161b2098216e0
humanhash: lion-floor-stairway-johnny
File name:FAKTURA WDT 539SIE042025_pdf .exe
Download: download sample
File size:59'392 bytes
First seen:2025-04-24 14:30:44 UTC
Last seen:2025-05-09 14:07:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'669 x AgentTesla, 19'482 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:AUqOEr+u+p//WUvuLfTCH87oJ7nSb6Byke:AY/WsuLfw87oJWYyN
TLSH T112430844BBE8C32BD3BD1B76A8B346140AB5F8977522CB5E0D9420CE1D12B856D10BBF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon d4aaa8a8969e8ed4 (2 x SnakeKeylogger)
Reporter Anonymous
Tags:exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
407
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FAKTURA_WDT_539SIE042025_pdf_exe.exe
Verdict:
Malicious activity
Analysis date:
2025-04-25 05:31:09 UTC
Tags:
purecrypter netreactor
Link:
https://app.any.run/tasks/4a9db873-fd3f-4df4-a238-4f7f3e57cb79

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/3886/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.15757.14706.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680a4ca0a37ff28e12993a3b
Tags:
backdoor micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching a service
Sending a custom TCP request
Creating a window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy obfuscated obfuscated packed reconnaissance
Link:
https://www.filescan.io/uploads/680a4b2e46fe05453ca62eaa/reports/2d944849-3743-44db-a56a-b48935c15d3e/overview
Verdict:
Malicious
Labled as:
Downloader.MSIL.PureCrypter
Link:
https://www.hybrid-analysis.com/sample/e5f8cde1a18c395f639e94b3387760bc52c48555bcc3a84233fc5d81e8970304
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f004788c-746a-4217-9cc7-bb0f6ecb1dda
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1673207
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates a thread in another existing process (thread injection)
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (a lot of spaces)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1673207 Sample: FAKTURA WDT 539SIE042025_pd... Startdate: 24/04/2025 Architecture: WINDOWS Score: 100 52 Suricata IDS alerts for network traffic 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected Generic Stealer 2->56 58 11 other signatures 2->58 8 FAKTURA WDT 539SIE042025_pdf                          .exe 15 3 2->8         started        process3 dnsIp4 48 95.214.54.164, 49681, 80 PL-SKYTECH-ASPL Poland 8->48 60 Found many strings related to Crypto-Wallets (likely being stolen) 8->60 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->62 64 Writes to foreign memory regions 8->64 66 Injects a PE file into a foreign processes 8->66 12 InstallUtil.exe 4 8->12         started        16 cmd.exe 1 8->16         started        18 cmd.exe 1 8->18         started        signatures5 process6 dnsIp7 50 95.214.54.182, 21023, 49687, 49738 PL-SKYTECH-ASPL Poland 12->50 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->68 70 Tries to steal Mail credentials (via file / registry access) 12->70 72 Found many strings related to Crypto-Wallets (likely being stolen) 12->72 76 6 other signatures 12->76 20 chrome.exe 6 12->20         started        23 chrome.exe 12->23 injected 25 chrome.exe 12->25 injected 35 3 other processes 12->35 74 Uses ipconfig to lookup or modify the Windows network settings 16->74 27 conhost.exe 16->27         started        29 ipconfig.exe 1 16->29         started        31 conhost.exe 18->31         started        33 ipconfig.exe 1 18->33         started        signatures8 process9 dnsIp10 40 192.168.2.7, 138, 21023, 443 unknown unknown 20->40 37 chrome.exe 20->37         started        process11 dnsIp12 42 googlehosted.l.googleusercontent.com 142.250.114.132, 443, 49712, 49713 GOOGLEUS United States 37->42 44 play.google.com 142.250.115.102, 443, 49721, 49722 GOOGLEUS United States 37->44 46 5 other IPs or domains 37->46
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e5f8cde1a18c395f639e94b3387760bc52c48555bcc3a84233fc5d81e8970304
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e5f8cde1a18c395f639e94b3387760bc52c48555bcc3a84233fc5d81e8970304/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2025-04-24 13:39:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4x4m3ynbrq4v6y46ssztq53axrjmjbkvxtb2qqrt7royd2examca._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery
Link:
https://tria.ge/reports/250424-rvsqssxnw8/
Behaviour
Enumerates system info in registry
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e348db1f-e426-4f4e-851e-0a52a847833b
Unpacked files
SH256 hash:
e5f8cde1a18c395f639e94b3387760bc52c48555bcc3a84233fc5d81e8970304
MD5 hash:
cc761ddc48d5e536d78161b2098216e0
SHA1 hash:
db9f9ec891dab5e3d2a7ba877b7f6c1f0dc56541
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/dd4790f1-b8ca-4156-a415-d97396f8a414/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e5f8cde1a18c/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/e5f8cde1a18c395f639e94b3387760bc52c48555bcc3a84233fc5d81e8970304

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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/3886/

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

Comments