MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b0f31fc0bee9431ddc39bb82fb484141d387f8a2c8f5d8863b20af397ea7736. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 1b0f31fc0bee9431ddc39bb82fb484141d387f8a2c8f5d8863b20af397ea7736
SHA3-384 hash: 4438f356b60f888774a9479053ebdfe78f5229eb9d6625505209b16b772536b3ab6f6dd7812a63d58db08f67301b6d3d
SHA1 hash: 726b8a4b5f7655ed17b453cd1ce6dad85c6dab48
MD5 hash: b4372b17aa82f7bfece71cc3842bdd6f
humanhash: network-early-oranges-berlin
File name:transferencia interbancaria (BBVA).exe
Download: download sample
Signature DarkCloud
File size:7'680 bytes
First seen:2025-09-10 18:25:32 UTC
Last seen:2025-09-11 07:37:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'669 x AgentTesla, 19'482 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 96:RI63JCiaxW5fxQ4UrkNL0kucdVvLooe+NjZUQ229rq9zNt:Rb3JC7gJxZ0k3dLTNFUQ2o8
TLSH T1EEF1E7156788873ACE7B8F76DCF753404234E714EA87EF4D289421069C62FA989E2B24
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
Reporter threatcat_ch
Tags:DarkCloud exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
84
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
transferencia interbancaria (BBVA).exe
Verdict:
No threats detected
Analysis date:
2025-09-10 18:25:52 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
smartassembly autorun packed hype
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed smart_assembly
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-10T14:37:00Z UTC
Last seen:
2025-09-10T14:37:00Z UTC
Hits:
~1000
Result
Threat name:
DarkCloud, PureLog Stealer, ResolverRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops VBS files to the startup folder
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1775068 Sample: transferencia interbancaria... Startdate: 10/09/2025 Architecture: WINDOWS Score: 100 30 www.arcon.com.pe 2->30 32 showip.net 2->32 34 arcon.com.pe 2->34 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 11 other signatures 2->46 8 wscript.exe 1 2->8         started        11 transferencia interbancaria (BBVA).exe 15 5 2->11         started        signatures3 process4 dnsIp5 54 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->54 15 HResult.exe 14 2 8->15         started        38 arcon.com.pe 192.99.207.151, 443, 49681, 49686 OVHFR Canada 11->38 24 C:\Users\user\AppData\Roaming\HResult.exe, PE32 11->24 dropped 26 C:\Users\user\AppData\Roaming\...\HResult.vbs, ASCII 11->26 dropped 28 C:\Users\user\...\HResult.exe:Zone.Identifier, ASCII 11->28 dropped 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->56 18 InstallUtil.exe 16 11->18         started        file6 signatures7 process8 dnsIp9 58 Antivirus detection for dropped file 15->58 60 Multi AV Scanner detection for dropped file 15->60 21 InstallUtil.exe 14 15->21         started        36 showip.net 162.55.60.2, 49682, 49687, 80 ACPCA United States 18->36 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->62 64 Tries to steal Mail credentials (via file / registry access) 18->64 signatures10 process11 signatures12 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->48 50 Tries to steal Mail credentials (via file / registry access) 21->50 52 Tries to harvest and steal browser information (history, passwords, etc) 21->52
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2025-09-10 17:41:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
darkcloudstealer
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
1b0f31fc0bee9431ddc39bb82fb484141d387f8a2c8f5d8863b20af397ea7736
MD5 hash:
b4372b17aa82f7bfece71cc3842bdd6f
SHA1 hash:
726b8a4b5f7655ed17b453cd1ce6dad85c6dab48
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(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 1b0f31fc0bee9431ddc39bb82fb484141d387f8a2c8f5d8863b20af397ea7736

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments