MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40644b368c1e04cbb944236729d0ecb6f7d5b0f102a14c2ec83e72da6a8e9732. 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

DarkCloud

Vendor detections: 13

Intelligence 13 IOCs YARA 17 File information Comments

SHA256 hash:	40644b368c1e04cbb944236729d0ecb6f7d5b0f102a14c2ec83e72da6a8e9732
SHA3-384 hash:	1f9873133af700534a0c91cd747c0d36282d5239cd57682e4a0dc3e62dbf10de14e904088426fd8ed1d762c5ff03f0fa
SHA1 hash:	042bde5bf5d5f4926b8e59e949c69fec8164597b
MD5 hash:	07d388ba8f697f42083f7b367c7f11e4
humanhash:	alpha-bravo-ohio-carbon
File name:	PO02502050025 - Agroizbira.exe
Download:	download sample
Signature	DarkCloud Create hunting rule
File size:	1'239'552 bytes
First seen:	2025-02-06 07:47:02 UTC
Last seen:	2025-02-06 08:28:18 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:5AHnh+eWsN3skA4RV1Hom2KXFmIaammo5dOb+i+09Utu3oHU5:Ah+ZkldoPK1Xaamy6V8Uk
TLSH	T19A45CE02B3D2C036FFAB92739B6AF20556BD79254123852F13981DB9BD701B2273D663
TrID	63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10522/11/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	nfsec_pl
Tags:	DarkCloud exe

Intelligence

File Origin

# of uploads :

# of downloads :

533

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PO02502050025 - Agroizbira.exe

Verdict:

No threats detected

Analysis date:

2025-02-06 09:06:20 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/adf6b648-a8d3-40a9-9813-0f1c0a7540bc

Note:

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

Detection(s):

SecuriteInfo.com.AIT.Trojan.Nymeria.6830.30326.25147.UNOFFICIAL

Verdict:

Suspicious

Score:

50%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a46af751193558eb198a0a

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Restart of the analyzed sample

Launching a process

Сreating synchronization primitives

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Using the Windows Management Instrumentation requests

Forced shutdown of a system process

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script fingerprint fingerprint keylogger lolbin microsoft_visual_cc mmc netsh obfuscated packed packed packer_detected phishing

Link:

https://www.filescan.io/uploads/67a468fcc8125b0e0418de6d/reports/4ec9bf83-9965-4c59-9a17-c61ad9ebd04e/overview

Verdict:

Malicious

Labled as:

AIT:Trojan.Nymeria

Link:

https://www.hybrid-analysis.com/sample/40644b368c1e04cbb944236729d0ecb6f7d5b0f102a14c2ec83e72da6a8e9732

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/bee251c5-3984-457a-b75c-3f26db11eb71

Result

Threat name:

DarkCloud

Detection:

malicious

Classification:

troj.spyw.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1608122

Signature

Binary is likely a compiled AutoIt script file

Joe Sandbox ML detected suspicious sample

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Switches to a custom stack to bypass stack traces

Tries to harvest and steal browser information (history, passwords, etc)

Writes or reads registry keys via WMI

Writes to foreign memory regions

Yara detected DarkCloud

Yara detected Generic Dropper

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/40644b368c1e04cbb944236729d0ecb6f7d5b0f102a14c2ec83e72da6a8e9732

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/40644b368c1e04cbb944236729d0ecb6f7d5b0f102a14c2ec83e72da6a8e9732/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-02-06 04:03:29 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

14 of 38 (36.84%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ibsewnumdycmxokeentstuhmw335lmhrakquylwihzznu2uos4za._file

Verdict:

malicious

Label(s):

unknown_loader_036

Similar samples:

error

DarkCloud

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery upx

Link:

https://tria.ge/reports/250206-jmlcrayjds/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Verdict:

Malicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/c2babe60-3fa4-4342-9e13-eeb39ba61766

Unpacked files

SH256 hash:

40644b368c1e04cbb944236729d0ecb6f7d5b0f102a14c2ec83e72da6a8e9732

MD5 hash:

07d388ba8f697f42083f7b367c7f11e4

SHA1 hash:

042bde5bf5d5f4926b8e59e949c69fec8164597b

Link:

https://www.unpac.me/results/7bd7a3c2-e10b-4bcc-8b51-eedfaf7a61ea/

SH256 hash:

1df0f614fc8aab8021c5d7083a037d6627d27b68af84e79447d44c27b61ef005

MD5 hash:

c64fdc351d86806690bb01e01976f833

SHA1 hash:

a6e0efb226766ea2c48d14798a14143e80d8ec2c

Detections:

darkcloudstealer

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

INDICATOR_SUSPICIOUS_EXE_CC_Regex

MALWARE_Win_DarkCloud

Link:

https://www.unpac.me/results/7bd7a3c2-e10b-4bcc-8b51-eedfaf7a61ea/

SH256 hash:

3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a

MD5 hash:

94d1531b52774dce52a89e33646d5b1d

SHA1 hash:

29bf887b025b97bd7a9e1e261852ba824234a625

Link:

https://www.unpac.me/results/7bd7a3c2-e10b-4bcc-8b51-eedfaf7a61ea/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/40644b368c1e/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/40644b368c1e04cbb944236729d0ecb6f7d5b0f102a14c2ec83e72da6a8e9732

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

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:	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:	MALWARE_Win_DarkCloud Create hunting rule
Author:	ditekSHen
Description:	Detects DarkCloud infostealer

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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

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)

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

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

DarkCloud

exe 40644b368c1e04cbb944236729d0ecb6f7d5b0f102a14c2ec83e72da6a8e9732

(this sample)

Delivery method

Distributed via e-mail attachment

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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