MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1a7c0ca70eb4da003a44a8eea966eea7610f21dfcffa7264be2ec56e8dc8591. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: d1a7c0ca70eb4da003a44a8eea966eea7610f21dfcffa7264be2ec56e8dc8591
SHA3-384 hash: 0093c9ded12c593679553e907537cf7d59f200cc57052cbabf56b2921dc0d07fae5ae2f287f2dec06f4d9d61678e2282
SHA1 hash: 779665e113ec9523343b3fe052d3b77667583ca8
MD5 hash: 6a384fed8c035e780d9c094d8efcc2ad
humanhash: artist-nine-asparagus-diet
File name:rRequestforquotation.scr
Download: download sample
Signature DarkCloud
File size:1'030'144 bytes
First seen:2025-08-07 08:30:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:l+yCg9FXD56HTbflpwFFe/rQQHEYzZrVdiHt:ky5FXDAHTbfjwFFeNbzZZdiN
Threatray 2'298 similar samples on MalwareBazaar
TLSH T1BE2501123791E857C41A02B16522F3F477B1AD9B3820FD9A6ED62E4F3996FD44AC2343
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon e8d4f0e8e8f0d4f0 (3 x Formbook, 1 x DarkCloud, 1 x VIPKeylogger)
Reporter FXOLabs
Tags:DarkCloud exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_d1a7c0ca70eb4da003a44a8eea966eea7610f21dfcffa7264be2ec56e8dc8591.exe
Verdict:
Malicious activity
Analysis date:
2025-08-07 08:52:38 UTC
Tags:
auto-sch-xml darkcloud upx ims-api generic

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

Behaviour
Creating a window
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
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Searching for the window
Searching for synchronization primitives
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-07 05:53:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
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
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7325405636:AAEuKf603OCNd5S0nbNeMesATknwh2MCg-0/sendMessage?chat_id=8096159140
Unpacked files
SH256 hash:
d1a7c0ca70eb4da003a44a8eea966eea7610f21dfcffa7264be2ec56e8dc8591
MD5 hash:
6a384fed8c035e780d9c094d8efcc2ad
SHA1 hash:
779665e113ec9523343b3fe052d3b77667583ca8
SH256 hash:
efe685ad3f3bd80de50826014ac3130a9ea4ac29ed1ebc8c92fecb65e96477f1
MD5 hash:
afff5669a173d1aa0b8ae3146f55636b
SHA1 hash:
d3655dd3eb4655e162c5e9cb7fd0420375db6a6e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4b61a850424b1499685d1fe07f7ebdf058ac8d33c8771c4c7a626bc20c2860b3
MD5 hash:
ec2143eb11d8d362192d10d4c05b3277
SHA1 hash:
e09972c3f1a06e9e38c87e1b2f8b52f5cb40209a
Detections:
darkcloudstealer INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore INDICATOR_SUSPICIOUS_EXE_TelegramChatBot INDICATOR_SUSPICIOUS_EXE_CC_Regex MALWARE_Win_A310Logger MALWARE_Win_DarkCloud
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:NETexecutableMicrosoft
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 d1a7c0ca70eb4da003a44a8eea966eea7610f21dfcffa7264be2ec56e8dc8591

(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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