MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28. 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: 17

Intelligence 17 IOCs YARA 27 File information Comments

SHA256 hash:	fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28
SHA3-384 hash:	75b5db7180ed81f774e6cb04387639a3b0663c4a4b9e7eeed202a962bd8dd6fc98130fac977e5dfe542d4492437e44de
SHA1 hash:	fcef892ac5d9cafa830b60f7b77a56399bfb3687
MD5 hash:	d9d44e60625da4e235f3ae116e3e1bd8
humanhash:	mockingbird-zulu-sink-crazy
File name:	Orden de Compra_INV_CFDI_24352.pdf.exe
Download:	download sample
Signature	a310Logger Create hunting rule
File size:	1'231'872 bytes
First seen:	2026-05-11 17:58:18 UTC
Last seen:	2026-06-08 09:27:04 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'131 x AgentTesla, 20'159 x Formbook, 12'362 x SnakeKeylogger)
ssdeep	24576:odDJr4C9g0rTbuufUE2k1cpj8sPaPWN8rzzCZ:odDj9yWUEKtpKrz
Threatray	135 similar samples on MalwareBazaar
TLSH	T17D4522981A94DA06C8486FB44E30F1752A781FDDA912C617AFDEBCEFF87F6156C04086
TrID	73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
Reporter	James_inthe_box
Tags:	a310logger exe

Intelligence

File Origin

# of uploads :

# of downloads :

140

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/330b4edf-ce61-4a54-8577-2008d326e4b4/

Malware family:

n/a

ID:

File name:

_fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28.exe

Verdict:

Malicious activity

Analysis date:

2026-05-11 18:00:36 UTC

Tags:

auto-reg darkcloud stealer upx

Link:

https://app.any.run/tasks/33eeae28-c8c5-495c-916f-a9a411a6d5e4

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

DarkCloud

Link:

https://www.capesandbox.com/analysis/65638/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Siggen5.33366.82212439.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a0218c6059cfdadce20dee3

Tags:

underscore micro shell virus

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

masquerade obfuscated packed

Link:

https://www.filescan.io/uploads/6a0218c62fcb905ec28e4c41/reports/ecf4ea43-96f3-478b-a720-1a83a96010e7/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-05-11T13:23:00Z UTC

Last seen:

2026-05-13T15:57:00Z UTC

Hits:

~1000

Detections:

Trojan.MSIL.Crypt.sb Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan-Spy.Agent.SMTP.C&C Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb HEUR:Trojan.MSIL.Kryplod.gen Trojan.MSIL.Dnoper.sb Trojan-Dropper.Win32.Injector.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Androm.sb NetTool.PlainTextCredentials.SMTP.C&C

Link:

https://opentip.kaspersky.com/fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28/results?tab=lookup

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/82ea4f43-bac5-4a93-9b41-7039993bab96

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.19 Win 32 Exe x86

Link:

https://app.malva.re/file/d9d44e60625da4e235f3ae116e3e1bd8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28/

Verdict:

Malicious

Threat:

Family.DARKCLOUD

Link:

https://tip.neiki.dev/file/fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28

Threat name:

Win32.Trojan.Egairtigado

Status:

Malicious

First seen:

2026-05-11 16:34:05 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7qh5m3qt7ogl7zcfy2zvnpi23izvsb2xps2jligq7jpeaqanpqua._file

Verdict:

malicious

Label(s):

unc_loader_031

darkcloudstealer

a310Logger

87781f2abc3d80ca44b52bf6c4790d4c87fa85c23836619b9f759b27983a7237

a310Logger

bc07ac39c30183a6df28c4cf91d7ea4600d45d219e3cdc1080f8eecfc1dc8616

a310Logger

e8abba05c2e1138d664b3a0df4a2be932cc1d8a887b0fe9c45e185cd1ae9b179

a310Logger

error

a310Logger

fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28

a310Logger

+ 125 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery execution persistence

Link:

https://tria.ge/reports/260511-wke46sbv2r/

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

Adds Run key to start application

Checks computer location settings

Executes dropped EXE

Command and Scripting Interpreter: PowerShell

Unpacked files

SH256 hash:

fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28

MD5 hash:

d9d44e60625da4e235f3ae116e3e1bd8

SHA1 hash:

fcef892ac5d9cafa830b60f7b77a56399bfb3687

Link:

https://www.unpac.me/results/a643b563-61aa-48f1-b13e-02f4277fd587/

SH256 hash:

10d329d21caaa130466427ff625d0bfae6b1f1d26adfefd9f81f8a63f85b88d0

MD5 hash:

8593639303535cbb65d16fdb01b61e5b

SHA1 hash:

5c91fc8aaa38114227fd329bc9159e5eca903f23

Link:

https://www.unpac.me/results/a643b563-61aa-48f1-b13e-02f4277fd587/

SH256 hash:

8836f9d412e8fc68e098f2ee0800afb74d6fc9fcf6c4593cfbfab52fa40baf80

MD5 hash:

981e85e6e1ead9470ce34695f802112c

SHA1 hash:

8cfe9be4d8c36f31b6b4a6b24476a133cc3d406e

Detections:

triage_darkcloud_infostealer

Link:

https://www.unpac.me/results/a643b563-61aa-48f1-b13e-02f4277fd587/

Parent samples :

87781f2abc3d80ca44b52bf6c4790d4c87fa85c23836619b9f759b27983a7237
fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28
67a7cba58174a668ef6769e8ad4e57655de1608cc51401a7ab786d767d66d246
a58fc2d03abc7b89b5e45935ea0b790e37be88e1c67f2dfb25ba03e7d7ce91de
ac62029ef58ca6788411049a3203583a5a5de639dd41171461faad3850c4d882
1556ef60b8023750fcfd9ffdae75df500efca8d84bf7b81f0aa54fe91277f568

SH256 hash:

d44b6023db7f6c1a55e7b6cc2084448a77e13163b630283ba28d2d1a30aaf59d

MD5 hash:

d32e4381c0ab89ad50b0598e93494a0c

SHA1 hash:

bdd19c4604e2184501884244da07bfc8fd208b55

Link:

https://www.unpac.me/results/a643b563-61aa-48f1-b13e-02f4277fd587/

SH256 hash:

12f050eaa6648e1315a32a39cc55b86e2547890d306f1ee8dd5ce3d6d88c4d20

MD5 hash:

1f9ec5a51ced7af0f974838b3992b455

SHA1 hash:

fd335d4f6781337228131d4b5cd1aef966d167d5

Link:

https://www.unpac.me/results/a643b563-61aa-48f1-b13e-02f4277fd587/

SH256 hash:

3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a

MD5 hash:

94d1531b52774dce52a89e33646d5b1d

SHA1 hash:

29bf887b025b97bd7a9e1e261852ba824234a625

Link:

https://www.unpac.me/results/a643b563-61aa-48f1-b13e-02f4277fd587/

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fc0fd66e13fb/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/fc0fd66e13fb8cbfe445c6b356bd1ada335907577cb495a0d0fa5e40400d7c28

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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_CC_Regex Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing credit card regular expressions

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. 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:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	ProtectSharewareV11eCompservCMS Create hunting rule
Author:	malware-lu

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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.

Cape

https://www.capesandbox.com/analysis/65638/

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