MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5709b1a3c5da47bcda270f3feb2187b6f44add70d0d887b331004d634c03167. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: e5709b1a3c5da47bcda270f3feb2187b6f44add70d0d887b331004d634c03167
SHA3-384 hash: 5476f2c32a856346d00a2003f36b7cba7775ae1d73d5c258a1fd90b6ff943c20b392e971859794033a7e321ee17e8557
SHA1 hash: 062d1a9ee39d49bfe17251882df6e076501c14f0
MD5 hash: dcdd2a31ab728262378b6d9a07695744
humanhash: oxygen-seventeen-ohio-georgia
File name:QUOTATION#00856452.exe
Download: download sample
Signature DarkCloud
File size:1'064'960 bytes
First seen:2025-08-15 06:07:57 UTC
Last seen:2025-08-15 09:13:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:YBa/IAA0cIPBXQVIyWxrCtRpJkxWnOSMMLoNzYBK+2L3Ckr:Y4IAdJX23vpeFSMMoNMY+2L3
TLSH T1143512D71608D607DC697F784C62D3B9D3A1CDA8E501C34B6AE8FEAB3927E40366D042
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 72d0d4e0e4d4f022 (3 x Formbook, 1 x AgentTesla, 1 x SnakeKeylogger)
Reporter lowmal3
Tags:DarkCloud exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION#00856452.exe
Verdict:
Malicious activity
Analysis date:
2025-08-15 06:08:44 UTC
Tags:
auto-sch-xml stealer netreactor ftp evasion darkcloud upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
spawn shell hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Connection attempt
Sending an HTTP GET request
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:
base64 bitmap lolbin msbuild obfuscated obfuscated overlay packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc vbnet
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes or reads registry keys via WMI
Yara detected AntiVM3
Yara detected DarkCloud
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757642 Sample: QUOTATION#00856452.exe Startdate: 15/08/2025 Architecture: WINDOWS Score: 100 47 showip.net 2->47 57 Found malware configuration 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 7 other signatures 2->63 8 QUOTATION#00856452.exe 7 2->8         started        12 YqatpjjFybA.exe 5 2->12         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 39 C:\Users\user\AppData\...\YqatpjjFybA.exe, PE32 8->39 dropped 41 C:\Users\...\YqatpjjFybA.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpA77B.tmp, XML 8->43 dropped 45 C:\Users\user\...\QUOTATION#00856452.exe.log, ASCII 8->45 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 8->65 67 Adds a directory exclusion to Windows Defender 8->67 69 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 8->69 17 powershell.exe 23 8->17         started        20 QUOTATION#00856452.exe 15 8->20         started        23 schtasks.exe 1 8->23         started        31 2 other processes 8->31 71 Multi AV Scanner detection for dropped file 12->71 73 Writes or reads registry keys via WMI 12->73 75 Injects a PE file into a foreign processes 12->75 25 YqatpjjFybA.exe 14 12->25         started        27 schtasks.exe 1 12->27         started        29 YqatpjjFybA.exe 12->29         started        33 2 other processes 12->33 51 127.0.0.1 unknown unknown 14->51 file6 signatures7 process8 dnsIp9 53 Loading BitLocker PowerShell Module 17->53 35 conhost.exe 17->35         started        49 showip.net 162.55.60.2, 49716, 49718, 80 ACPCA United States 20->49 55 Tries to harvest and steal browser information (history, passwords, etc) 25->55 37 conhost.exe 27->37         started        signatures10 process11
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.30 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-15 02:15:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
darkcloudstealer unc_loader_037
Similar samples:
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery execution persistence spyware stealer
Behaviour
Scheduled Task/Job: Scheduled Task
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e5709b1a3c5da47bcda270f3feb2187b6f44add70d0d887b331004d634c03167
MD5 hash:
dcdd2a31ab728262378b6d9a07695744
SHA1 hash:
062d1a9ee39d49bfe17251882df6e076501c14f0
SH256 hash:
fd649ac07667d8552066a5fde882d10d3edcb9348798452a82e2e8e898b424be
MD5 hash:
363982b42578995a941ab829e1a75cb2
SHA1 hash:
98ab68fbc102b76515bb85f04549a8ba4648686f
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
2b67dfb7f12549e9162603f4324cfa5fe0c872765449e450512f92b7f3fc0493
MD5 hash:
4d38a863ada7bc4de9f2adc4c260d291
SHA1 hash:
a268da3de7b7132ca9fc774efb372de504ec08f7
Detections:
darkcloudstealer MALWARE_Win_DarkCloud INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore INDICATOR_SUSPICIOUS_EXE_CC_Regex
SH256 hash:
c8d8b2db593b893c62daebf36e9e5751e50f13db3f84c6298fd0e01a5271d6ff
MD5 hash:
66350e52437e39d41075f6cabd3df6ab
SHA1 hash:
a484baa73355d22afc8c08ed5ba442ef65c96cf5
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Malware family:
DarkCloud
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

DarkCloud

Executable exe e5709b1a3c5da47bcda270f3feb2187b6f44add70d0d887b331004d634c03167

(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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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