MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab55f80fe46c40a2548e3ca1059f4f2dd5a05fd95f8a39134a5aa3950aba1020. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab55f80fe46c40a2548e3ca1059f4f2dd5a05fd95f8a39134a5aa3950aba1020
SHA3-384 hash: 451f4fd3cc8d466d6859b35b4f171a9a32767ff31ff23b588ba512290eaabab464549ea7910f0498206f4c6fb38652bb
SHA1 hash: fb50318f15ddd2744ae42b8165f4414ff156b930
MD5 hash: f54ba71dcc8f426d5cf9fdae858b2c0d
humanhash: india-salami-aspen-oranges
File name:Documentos de pago adjuntos-pdf.exe
Download: download sample
Signature DarkCloud
Create hunting rule
File size:1'317'376 bytes
First seen:2025-04-24 05:50:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 73d402f8022aecbe2bf92e071d48b8fc (5 x LummaStealer, 1 x DarkCloud)
ssdeep 24576:jHj+EsKp6or3s90hEIYc7+pCASSRxIYc7+pCASSR4:jD+966uO0hcZpmSRlZpmSR4
TLSH T11B55F12991A191EFF1A640B56A46A160B173F8738B395FEF81F0E325195BFC40B3E712
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter lowmal3
Tags:DarkCloud exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
507
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Documentosdepagoadjuntos-pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-04-24 05:54:36 UTC
Tags:
stealer evasion auto-reg darkcloud upx
Link:
https://app.any.run/tasks/d1251692-2fa2-40d1-ab69-26dc0a470f86

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Create hunting rule
Link:
https://www.capesandbox.com/analysis/3827/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.13170.14969.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6809d21b3d067f848398bcd0
Tags:
underscore kryptik extens virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Forced shutdown of a system process
Stealing user critical data
Setting a single autorun event
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy fingerprint microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/6809d152218c4a98addf2b56/reports/6bb17273-cf2a-407f-b1be-1f1242ad16d8/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/ab55f80fe46c40a2548e3ca1059f4f2dd5a05fd95f8a39134a5aa3950aba1020
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/1cc6bede-adac-4650-aa75-d9466a0e7db7
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1672710
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Found malware configuration
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
Multi AV Scanner detection for submitted file
Sigma detected: Silenttrinity Stager Msbuild Activity
Tries to harvest and steal browser information (history, passwords, etc)
Writes or reads registry keys via WMI
Writes to foreign memory regions
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1672710 Sample: Documentos de pago adjuntos... Startdate: 24/04/2025 Architecture: WINDOWS Score: 100 30 showip.net 2->30 32 pki-goog.l.google.com 2->32 34 2 other IPs or domains 2->34 42 Found malware configuration 2->42 44 Antivirus detection for URL or domain 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 6 other signatures 2->48 8 Documentos de pago adjuntos-pdf.exe 2->8         started        11 gayals.exe 2 2->11         started        13 gayals.exe 1 2->13         started        signatures3 process4 signatures5 50 Writes to foreign memory regions 8->50 52 Allocates memory in foreign processes 8->52 54 Injects a PE file into a foreign processes 8->54 15 MSBuild.exe 1 16 8->15         started        20 MSBuild.exe 8->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        process6 dnsIp7 36 showip.net 162.55.60.2, 49686, 80 ACPCA United States 15->36 28 C:\Users\user\AppData\Roaming\...\gayals.exe, PE32 15->28 dropped 38 Tries to harvest and steal browser information (history, passwords, etc) 15->38 26 WmiPrvSE.exe 15->26         started        40 Writes or reads registry keys via WMI 20->40 file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ab55f80fe46c40a2548e3ca1059f4f2dd5a05fd95f8a39134a5aa3950aba1020
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab55f80fe46c40a2548e3ca1059f4f2dd5a05fd95f8a39134a5aa3950aba1020/
Threat name:
Win64.Trojan.LummaC
Create hunting rule
Status:
Malicious
First seen:
2025-04-23 20:30:50 UTC
File Type:
PE+ (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vnk7qd7enrakeveohsqqlh2pfxk2ax6zl6fdse2klkrzkcv2caqa._file
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery stealer
Link:
https://tria.ge/reports/250424-gj9j3azzf1/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
DarkCloud
Darkcloud family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ea79da8a-4bb1-4b0a-be66-5ebf6a307e74
Unpacked files
SH256 hash:
ab55f80fe46c40a2548e3ca1059f4f2dd5a05fd95f8a39134a5aa3950aba1020
MD5 hash:
f54ba71dcc8f426d5cf9fdae858b2c0d
SHA1 hash:
fb50318f15ddd2744ae42b8165f4414ff156b930
Link:
https://www.unpac.me/results/8a82b91d-9cd1-4e9d-83f9-208962950d18/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ab55f80fe46c/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/ab55f80fe46c40a2548e3ca1059f4f2dd5a05fd95f8a39134a5aa3950aba1020

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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 ab55f80fe46c40a2548e3ca1059f4f2dd5a05fd95f8a39134a5aa3950aba1020

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/3827/

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

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