MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070. 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: 15

Intelligence 15 IOCs YARA 17 File information Comments

SHA256 hash:	91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070
SHA3-384 hash:	dab9ab0d4113b1dd09e18d1cf2a61285381ff67c6efe2346ffb3f2bb967e7ffa69c99272b6cd866cd29f6607e703f244
SHA1 hash:	a5743a8afe5157887e031091cea3187fe8f29d51
MD5 hash:	3078ac39261cb67ff4f82e51ac9b74fd
humanhash:	skylark-tango-fifteen-connecticut
File name:	FATR8760090000.exe
Download:	download sample
Signature	DarkCloud Create hunting rule
File size:	1'245'184 bytes
First seen:	2025-02-04 08:29:36 UTC
Last seen:	2025-02-04 09:31:20 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:fAHnh+eWsN3skA4RV1Hom2KXFmIal7PJT9C0VXLQZ77r65:Ch+ZkldoPK1Xal7PJTQ0477E
Threatray	103 similar samples on MalwareBazaar
TLSH	T1C645BE0273D2C036FFABA2739B69F6055ABC79654123852F13981D79BC701B2263E763
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	threatcat_ch
Tags:	DarkCloud exe

Intelligence

File Origin

# of uploads :

# of downloads :

517

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

FATR8760090000.exe

Verdict:

Suspicious activity

Analysis date:

2025-02-04 08:30:07 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/55c4ac23-c59f-4852-a442-bac2cf66ff55

Note:

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

Detection(s):

SecuriteInfo.com.W32.AutoIt.QG.gen.Eldorado.14060.25746.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a1d0e251193558eb19543b

Tags:

autorun autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Creating a file

Creating a process from a recently created file

Launching a process

Сreating synchronization primitives

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Using the Windows Management Instrumentation requests

Stealing user critical data

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script evasive fingerprint keylogger lolbin microsoft_visual_cc mmc obfuscated packed packed packer_detected wuauclt

Link:

https://www.filescan.io/uploads/67a1d0186c662328c4a995f1/reports/58313e25-544c-4860-bc4a-49710591f89a/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070

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/a2a856e7-299b-42f3-8b17-356c71e19ec6

Result

Threat name:

DarkCloud

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1606301

Signature

Binary is likely a compiled AutoIt script file

Drops VBS files to the startup folder

Joe Sandbox ML detected suspicious sample

Machine Learning detection for dropped file

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Drops script at startup location

Sigma detected: WScript or CScript Dropper

Switches to a custom stack to bypass stack traces

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

Windows Scripting host queries suspicious COM object (likely to drop second stage)

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/91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-02-04 08:30:20 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=shhbdw5ggguwcpl4szaj3oe36dgdldx7cjddflkw6jp5nm3swbya._file

Verdict:

malicious

Label(s):

unknown_loader_036

DarkCloud

3d7654867efbc44661a3a5889d8f91fc402917587e58f9fc7a5c8c636b32b1a6

DarkCloud

5ce2f5a8a0b1ce232214fcbe96e0b3780e9409321d70fd1c0b33d22f23efb004

DarkCloud

a15eb8020f01e743035823a05c7417a4ef31eaf02dee24af25cd03326561c17f

DarkCloud

aaee9ff9746646836f3538beea0c59fb1c83ee095023d09899238ae732bd190e

DarkCloud

error

DarkCloud

+ 93 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery upx

Link:

https://tria.ge/reports/250204-kd957asphp/

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

AutoIT Executable

Suspicious use of SetThreadContext

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Drops startup file

Executes dropped EXE

Loads dropped DLL

Verdict:

Malicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/e7da1958-45dc-4dea-92b3-5773f745bd28

Unpacked files

SH256 hash:

91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070

MD5 hash:

3078ac39261cb67ff4f82e51ac9b74fd

SHA1 hash:

a5743a8afe5157887e031091cea3187fe8f29d51

Link:

https://www.unpac.me/results/67ee4bd7-aded-4534-bb1c-56a62376131d/

SH256 hash:

eb76abaf7b25ee4ceefdacf263d9c77e959dc417281875f8a884a24e46c10c72

MD5 hash:

d00c3b0e045187ea671d09ff0a6a3348

SHA1 hash:

11b1049f7f956167c194fc49f02061687f2539e6

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/67ee4bd7-aded-4534-bb1c-56a62376131d/

Parent samples :

91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070
c2b233d4397811d23bc48357374d11934203d06d3b5be79b3081207037f4d115

SH256 hash:

3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a

MD5 hash:

94d1531b52774dce52a89e33646d5b1d

SHA1 hash:

29bf887b025b97bd7a9e1e261852ba824234a625

Link:

https://www.unpac.me/results/67ee4bd7-aded-4534-bb1c-56a62376131d/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/91ce11dba631/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/91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070

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 91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070

(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

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample