MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f. 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


a310Logger


Vendor detections: 19


Intelligence 19 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f
SHA3-384 hash: e2305f0cd87b0e6d59ff13540ad7ba0ebbece52cae3cd7b17bc2acafac7b9f6184d460a1711f80179d5262d17fc9c5b3
SHA1 hash: 97ce1d63c1711de92f2fe0f4c9ff701cb1fc549d
MD5 hash: 3f3158a4bbf6cd0c3acdfc2b16711671
humanhash: april-stream-river-pip
File name:invoice.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:1'387'520 bytes
First seen:2026-04-01 10:58:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 24576:208EAWwwQpxnOsuxpAI5unch+YBLcvGukoV0Es2qrpgAkcOYzGcSyO:20HkwQpBBAttkYBLcvmoVa2IpgTEi
Threatray 1'042 similar samples on MalwareBazaar
TLSH T1C955F1AFD625890BD2901AB4D898F7B517783FFCEE9BC312B9E13CDBB5443816845122
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon f0d4b2aaaab2ccf0 (1 x a310Logger)
Reporter threatcat_ch
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
CH CH
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Malicious activity
Analysis date:
2026-04-01 11:01:06 UTC
Tags:
auto-startup susp-lnk stealer evasion darkcloud telegram upx
Link:
https://app.any.run/tasks/e4aaca21-2afc-40eb-bf93-ab7420579c4a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Create hunting rule
Link:
https://www.capesandbox.com/analysis/60037/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3486.9678.14585.UNOFFICIAL
Create hunting rule

Win.Packed.Malwarex-10059859-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69ccfa4f3a18a6e1ddf04b0a
Tags:
autorun dropper virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt krypt masquerade packed soft-404 unsafe vbnet
Link:
https://www.filescan.io/uploads/69ccfa4a2346b9da57b690e5/reports/18c5421a-2764-42c2-9cc9-8a1eec678154/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-29T19:39:00Z UTC
Last seen:
2026-04-03T08:55:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.DarkCloud.sb HEUR:Trojan.MSIL.Crypt.gen Trojan-PSW.Win32.Stealer.sb Trojan.Win32.VB.sb Trojan.MSIL.Crypt.sb PDM:Trojan.Win32.Generic Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Agent.sb HackTool.ReconScan.TCP.ServerRequest
Link:
https://opentip.kaspersky.com/34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f/results?tab=lookup
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a5a25df-dafc-4fcf-b9cd-3a01616417a8
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1892000
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected malicious Powershell script
Bypasses PowerShell execution policy
Found malware configuration
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
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
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)
Windows shortcut file (LNK) contains suspicious command line arguments
Yara detected AntiVM3
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1892000 Sample: invoice.exe Startdate: 01/04/2026 Architecture: WINDOWS Score: 100 39 showip.net 2->39 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 15 other signatures 2->49 8 invoice.exe 8 2->8         started        12 powershell.exe 19 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\pbZETIe.exe, PE32 8->31 dropped 33 C:\Users\user\...\pbZETIe.exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\AppData\...\hna0v3g5zub.ps1, ASCII 8->35 dropped 37 C:\Users\user\AppData\...\invoice.exe.log, ASCII 8->37 dropped 51 Adds a directory exclusion to Windows Defender 8->51 53 Injects a PE file into a foreign processes 8->53 14 invoice.exe 15 8->14         started        18 powershell.exe 23 8->18         started        20 pbZETIe.exe 3 12->20         started        22 conhost.exe 1 12->22         started        signatures6 process7 dnsIp8 41 showip.net 162.55.60.2, 49693, 49699, 80 ACPCA United States 14->41 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->61 63 Tries to steal Mail credentials (via file / registry access) 14->63 65 Loading BitLocker PowerShell Module 18->65 24 conhost.exe 18->24         started        26 WmiPrvSE.exe 18->26         started        67 Multi AV Scanner detection for dropped file 20->67 69 Injects a PE file into a foreign processes 20->69 28 pbZETIe.exe 12 20->28         started        signatures9 process10 signatures11 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->55 57 Tries to steal Mail credentials (via file / registry access) 28->57 59 Tries to harvest and steal browser information (history, passwords, etc) 28->59
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.36 Win 32 Exe x86
Link:
https://app.malva.re/file/3f3158a4bbf6cd0c3acdfc2b16711671
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f/
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Link:
https://tip.neiki.dev/file/34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2026-03-29 23:06:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=grtr4rot2a2ttncoxit6nr4ec7fqaiv3hdpjxfwkpyhr5fihc6hq._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
Similar samples:
309bb413336874a63ba19c3bcf09a0d6154620a7d71579f11f601458db8f270b
a310Logger
47388baca1eb16e75735cacc0143674a2cf8d4048fde5acd518d52cd64a7ce68
a310Logger
6163ab22713dc71953638cd3fcc14c6b142a88ab842c528ece5ea5f2e5be9e21
a310Logger
7e6a4cb61f494018597d038ab7735a9369a9e0766e6d53af07cb9bd8ad32f985
a310Logger
ac410c5d9a850d589afdd5316f4e463dbf55cd0e798f7f4c0189a5cb193945f2
a310Logger
error
a310Logger
+ 1'032 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery execution spyware stealer
Link:
https://tria.ge/reports/260401-m2y4yaev9s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Unpacked files
SH256 hash:
34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f
MD5 hash:
3f3158a4bbf6cd0c3acdfc2b16711671
SHA1 hash:
97ce1d63c1711de92f2fe0f4c9ff701cb1fc549d
Link:
https://www.unpac.me/results/4c39dc57-dd6b-49e3-bbbb-bd9230291ee1/
SH256 hash:
a6bec7e3bc508a47a99afd870d10502c46d4febc30106e24b6345095c7a0fb04
MD5 hash:
f628332fd5baa464e26f13fe8d7385fe
SHA1 hash:
2cf76ac4d44ff2fb194e548cf0544435ff1d9285
Link:
https://www.unpac.me/results/4c39dc57-dd6b-49e3-bbbb-bd9230291ee1/
SH256 hash:
9ffb1ccf3ef1452522e9e1a2f6080f4ecebadb5c46d7c1462bbe9b829b985507
MD5 hash:
3e65311ac9858b48f72384f8ec0923b2
SHA1 hash:
ce8aef640b146fa1232a87cc469106028bade140
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4c39dc57-dd6b-49e3-bbbb-bd9230291ee1/
SH256 hash:
806d5343d5dd69b2964e4c4baecf0d90fc31ada4af75f79b9560ac93659c79a3
MD5 hash:
02353da510b0e678ea55942cba97e0c5
SHA1 hash:
f7b17377629184f3098c84a11bbe7270332dce78
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MALWARE_Win_A310Logger
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/4c39dc57-dd6b-49e3-bbbb-bd9230291ee1/
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/4c39dc57-dd6b-49e3-bbbb-bd9230291ee1/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/34671e45d3d0/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/34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f

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:DarkCloud
Create hunting rule
Author:YungBinary
Description:https://x.com/YungBinary/status/1971585972912689643
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_DarkCloud
Create hunting rule
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:ProtectSharewareV11eCompservCMS
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TelegramAPIMalware_PowerShell_EXE
Create hunting rule
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Trojan_DarkCloud_9905abce
Create hunting rule
Author:Elastic Security

File information

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

Malspam

a310Logger

Executable exe 34671e45d3d03539b44eba27e6c78417cb0022bb38de9b96ca7e0f1e9507178f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/60037/

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