MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae
SHA3-384 hash: 68ae60617202a3da89cbc4f20b6a88f3e33ff1022d7e0a20cda7855d286e59c6038b8340d7598c2efa5a9e38650bf18a
SHA1 hash: 11f6af01361c283b009e5abf23bd9953f9f12fe9
MD5 hash: 61cb2920119c1814e74d249f871db2bd
humanhash: minnesota-fifteen-grey-magnesium
File name:Yahylhhdz.exe
Download: download sample
Signature DarkCloud
Create hunting rule
File size:61'440 bytes
First seen:2025-10-23 06:47:52 UTC
Last seen:2025-11-06 11:09:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:jKwtWGlreV4xkOE5k26rcu97SfxVEPhfooCvCGPjknTayqUUmqFXzpRsDEngwsF4:esrvSOEk2fStooCq4kntq5zo4nnC0N
Threatray 18 similar samples on MalwareBazaar
TLSH T16C53C76E13ECCAB3CBEE097DD47318058A71C95B2962F347BD9C9972A4163CCA4193D2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter lowmal3
Tags:DarkCloud exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae.exe
Verdict:
Malicious activity
Analysis date:
2025-10-23 06:49:48 UTC
Tags:
auto-startup stealer evasion telegram ims-api generic upx darkcloud
Link:
https://app.any.run/tasks/cd539f06-f3e3-462f-9b11-c8b5879d3f61

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/33833/
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f9cfcbad6ce0f5ad40e2ce
Tags:
autorun micro hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a window
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Query of malicious DNS domain
Sending a TCP request to an infection source
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:
obfuscated obfuscated obfuscated
Link:
https://www.filescan.io/uploads/68f9cfc8acdc0d13837ea0f6/reports/1b564500-3a47-4a83-9924-67e10c76309a/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.IN.Generic
Link:
https://www.hybrid-analysis.com/sample/04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-22T12:56:00Z UTC
Last seen:
2025-10-24T16:05:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.MSIL.PureLogs.sb Trojan-PSW.MSIL.Agentb.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Dnoper.sb Trojan.MSIL.Agent.sb VHO:Backdoor.Win32.Androm.gen PDM:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.PureLogs.gen Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.DarkCloud.sb HackTool.ReconScan.TCP.ServerRequest
Link:
https://opentip.kaspersky.com/04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/711f9806-6ddb-4edc-93b6-2ff8847468c9
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1800357
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Drops VBS files to the startup folder
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 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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1800357 Sample: Yahylhhdz.exe Startdate: 23/10/2025 Architecture: WINDOWS Score: 100 29 showip.net 2->29 31 energytulcea.ro 2->31 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 8 other signatures 2->55 8 Yahylhhdz.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 33 energytulcea.ro 185.171.186.168, 443, 49690, 49693 GTSCEGTSCentralEuropeAntelGermanyCZ Romania 8->33 23 C:\Users\user\...\IsConsoleEnabled.exe, PE32 8->23 dropped 25 C:\Users\user\...\IsConsoleEnabled.vbs, ASCII 8->25 dropped 27 C:\...\IsConsoleEnabled.exe:Zone.Identifier, ASCII 8->27 dropped 57 Drops VBS files to the startup folder 8->57 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->59 61 Writes to foreign memory regions 8->61 63 Injects a PE file into a foreign processes 8->63 15 InstallUtil.exe 15 8->15         started        65 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->65 19 IsConsoleEnabled.exe 14 2 13->19         started        file6 signatures7 process8 dnsIp9 35 showip.net 162.55.60.2, 49691, 80 ACPCA United States 15->35 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 Tries to harvest and steal browser information (history, passwords, etc) 15->41 43 Multi AV Scanner detection for dropped file 19->43 45 Writes to foreign memory regions 19->45 47 Injects a PE file into a foreign processes 19->47 21 InstallUtil.exe 19->21         started        signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Link:
https://app.malva.re/file/61cb2920119c1814e74d249f871db2bd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae/
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Link:
https://tip.neiki.dev/file/04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2025-10-22 17:27:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=as5ypl45iv63tzjpkyjhfylqf3cn6he4k2ndypa5m72x33evuwxa._file
Verdict:
malicious
Label(s):
unc_loader_078
Create hunting rule
darkcloudstealer
Create hunting rule
Similar samples:
04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae
DarkCloud
84e858b5ba08923e9efa2506aa14baa45d6d2999f0fa0c69740a2a4c30cce67a
DarkCloud
dcc9a87825692ae48ea938392908d1dcc6d1b002a7c8f89c348e5a2f8fee0e30
DarkCloud
e0c5c9eb20830b7631d4eff52243f50842f2be9964f10186b2e3e6d461323782
DarkCloud
e1486fab1fe181f0a28964d147a3948cfa61d02a96b7d98749d7e354cba2be59
DarkCloud
e2e23dc56f78f565b8066f8b98009f97955718ef3423dcb8dd7fa1fa5ea92e34
DarkCloud
error
DarkCloud
fafb279267341316da74ca14e296523a68736c3e7ca6ac96b7ba788a22b30882
DarkCloud
+ 8 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/251023-hk3zcags5h/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Program crash
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7fcb325c-4f44-4000-8517-6bc3891943a1
Unpacked files
SH256 hash:
04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae
MD5 hash:
61cb2920119c1814e74d249f871db2bd
SHA1 hash:
11f6af01361c283b009e5abf23bd9953f9f12fe9
Link:
https://www.unpac.me/results/d6f65652-64fa-4f1c-8f77-63d2d0031708/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/04bb87af9d45/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

DarkCloud

Executable exe 04bb87af9d457db9e52f561272e1702ec4df1c9c569a3c3c1d67f57dec95a5ae

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33833/

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