MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb
SHA3-384 hash: 785ea5985567913a13eb82eafee4b392e165050c8d95a72c8f6776c7d5736c6be451cc09910d55a57b0743e786653443
SHA1 hash: f942cc721c79c07420a8f7f8156cd53645d6c45b
MD5 hash: 7b044369fad1ca21c404364a89febb6a
humanhash: crazy-high-papa-saturn
File name:Comprobante de pago (Pago CitiBanamex)_________________________pdf.exe
Download: download sample
Signature DarkCloud
Create hunting rule
File size:52'224 bytes
First seen:2025-08-22 13:30:52 UTC
Last seen:2025-08-25 08:51:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 768:3xcJTF0Q4uRuzb/qFBl8b61+d+zgH3Be6kA0pLlEIq6USQycL8hqk9:YZ0QHB18bJqgH3nkFpxTncQh9
Threatray 43 similar samples on MalwareBazaar
TLSH T1AB33281CB6CC9A62C2FE0FBE94E372810778E475E74BE30B254C15B51E167DB9812A87
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 threatcat_ch
Tags:DarkCloud exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
54
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Comprobante de pago (Pago CitiBanamex)_________________________pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-08-22 13:33:47 UTC
Tags:
stealer evasion auto-startup darkcloud upx
Link:
https://app.any.run/tasks/74a01d9b-962b-4468-905f-250a432ea4b7

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/22955/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a8711d8fd55a79c52a449e
Tags:
underscore autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 masquerade obfuscated obfuscated packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/68a871154a87ed796768436c/reports/ac472903-d73b-4f94-a5d0-900cd95a2d0f/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-21T13:05:00Z UTC
Last seen:
2025-08-21T13:05:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/72196812-2be2-4472-abca-5806c0d47502
Result
Threat name:
DarkCloud, PureLog Stealer, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1762921
Signature
.NET source code contains potential unpacker
Drops VBS files to the startup folder
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
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
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1762921 Sample: Comprobante de pago (Pago C... Startdate: 22/08/2025 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 Multi AV Scanner detection for submitted file 2->42 44 Yara detected ResolverRAT 2->44 46 11 other signatures 2->46 8 wscript.exe 1 2->8         started        11 Comprobante de pago (Pago CitiBanamex)_________________________pdf.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 TypeName.exe 14 2 8->15         started        38 arcon.com.pe 192.99.207.151, 443, 49715, 49723 OVHFR Canada 11->38 24 C:\Users\user\AppData\Roaming\TypeName.exe, PE32 11->24 dropped 26 C:\Users\...\TypeName.exe:Zone.Identifier, ASCII 11->26 dropped 28 C:\Users\user\AppData\...\TypeName.vbs, 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 Multi AV Scanner detection for dropped file 15->58 60 Writes to foreign memory regions 15->60 62 Injects a PE file into a foreign processes 15->62 21 InstallUtil.exe 14 15->21         started        36 showip.net 162.55.60.2, 49717, 49724, 80 ACPCA United States 18->36 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->64 66 Tries to steal Mail credentials (via file / registry access) 18->66 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
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.43 Win 32 Exe x86
Link:
https://app.malva.re/file/7b044369fad1ca21c404364a89febb6a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb/
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-08-21 17:35:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jodtfosi4j43vuzkrywe7d5emkc3mx4kszpiabng7gi7sjhb3hvq._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
Similar samples:
27f003fba464668766ce9608f36ba7b2ff7593521db0869b7165bb536f9df299
DarkCloud
35771b256b8926ea266d84a3344618c3871ab0f730b8894c979a3fbb47fe8a7d
DarkCloud
4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb
DarkCloud
74e51e9bfcda3d5f68dffd663270186d62e547c47624b4923dbd2819bff42c4b
DarkCloud
7fcf599838680e41a18f0790c454f3b96b59d9c65878268bb137d2a520ac4d6a
DarkCloud
95926de79055494e25750033367473688c20d71842433d41c48cd787b4639131
DarkCloud
error
DarkCloud
+ 33 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery stealer
Link:
https://tria.ge/reports/250822-qsbttsvnz5/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
Win.Packed.Msilheracles-10017859-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5812d63e-3162-4445-a189-9dfa64b527cc
Unpacked files
SH256 hash:
4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb
MD5 hash:
7b044369fad1ca21c404364a89febb6a
SHA1 hash:
f942cc721c79c07420a8f7f8156cd53645d6c45b
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/fea473b9-c5ac-44b2-ba9b-4b099b7212b5/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b8732ba48e2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb

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
Create hunting rule
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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

tar 04b97cda8665e018f8279e274b5eca60eb1032f7ff144f5ec5fd18b084da11e0

DarkCloud

Executable exe 4b8732ba48e279bad32a8e2c4f8fa46285b65f8a965e8005a6f991f924e1d9eb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22955/
  
Dropped by
SHA256 04b97cda8665e018f8279e274b5eca60eb1032f7ff144f5ec5fd18b084da11e0
  
Dropped by
MD5 d4dbc26145646487ec1b79657bf80bab
  
Dropped by
SHA256 01f771020451326366c7d39dde8f2748ef2037f8e837b1d72fdbe8d7f5ea70e7
  
Dropped by
MD5 0c405969248235ec9685bad7fab1ea47

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 (HIGH_ENTROPY_VA)high

Comments