MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8fb81d1cd3412c19f02fd834de979e6651cdc5a281a99230b0f41c9d3c2848ba. 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
| SHA256 hash: | 8fb81d1cd3412c19f02fd834de979e6651cdc5a281a99230b0f41c9d3c2848ba |
|---|---|
| SHA3-384 hash: | f0e7ef169539313fcea4696cf2a6c135e53e85b76a319f74ae2f2381f655e6b9f2956a39c9ed078d3d2a6f58d4a80ea1 |
| SHA1 hash: | 1e112633d2e97843a5af690adaaef06524c6bb5d |
| MD5 hash: | 79b55e666db00cc91408062e91a3f1b1 |
| humanhash: | monkey-mango-kilo-cat |
| File name: | EQUIPMENT SPECIFICATION DATASHEETS.exe |
| Download: | download sample |
| Signature | DarkCloud |
| File size: | 1'089'536 bytes |
| First seen: | 2025-05-19 09:12:10 UTC |
| Last seen: | 2025-05-27 10:37:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 24576:Hmry/KmpwKJe8D8x5+/JnFvds+oYwKYz+il:/pjJp0w1Q+odXz+i |
| Threatray | 538 similar samples on MalwareBazaar |
| TLSH | T16235126535A5E803D8710BF809B1E2B807F41D8EA611D3DB8DE63CD778F2B456A86783 |
| 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 | 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer) |
| Reporter |  adrian__luca |
| Tags: | DarkCloud exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
418
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EQUIPMENTSPECIFICATIONDATASHEETS.exe
Verdict:
Malicious activity
Analysis date:
2025-05-19 09:15:28 UTC
Tags:
netreactor darkcloud upx ftp auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
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 a custom TCP request
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Malware family:
DarkCloud
Verdict:
Malicious
Result
Threat name:
DarkCloud, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
66 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected AntiVM3
Yara detected DarkCloud
Yara detected PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Status:
Malicious
First seen:
2025-05-19 07:01:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
Similar samples:
+ 528 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Score:
10/10
Tags:
family:darkcloud discovery persistence spyware stealer
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8fb81d1cd3412c19f02fd834de979e6651cdc5a281a99230b0f41c9d3c2848ba
MD5 hash:
79b55e666db00cc91408062e91a3f1b1
SHA1 hash:
1e112633d2e97843a5af690adaaef06524c6bb5d
SH256 hash:
cc20d9969510195970a717f0ad43fe36afbba339e916e3d5946e2894d6924be7
MD5 hash:
6217d01f84e3d1414eea7d4a877fdaa3
SHA1 hash:
18e2a7f7e7415459e33e2da30cdef3e9cfc47eaa
SH256 hash:
901833f5538f5d5626745780598a66c70553ad9a15831ed826aaf2e6da694c85
MD5 hash:
fe27f0c688519731bff75b1b1e39a7ad
SHA1 hash:
82a999f8ebebd553df3d51bd8d213c945f3eb388
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
01d36156ff6a05a43e1d8f82244b6c15e88b3a98dafd35c4d4ae2702e578bf09
MD5 hash:
f8602877e847ed79962ed440fe847c3d
SHA1 hash:
f2998541fad8d94b44be2c47baf39586be19c7dd
Detections:
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.
Threat name:
Suspicious File
Score:
0.61
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
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 |
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