MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 978bdb0431417015dfe8d95572d87225e038cc2b82adc4aa3cfee89a90767ae0. 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

SHA256 hash: 978bdb0431417015dfe8d95572d87225e038cc2b82adc4aa3cfee89a90767ae0
SHA3-384 hash: f70d1c83b2eca6dff1fbb6a34629ab5c7b57d0c5d23552f7a1f915637107bf213a0d9b066b07ce3399d2832c540fef28
SHA1 hash: b0ba26d552719e702cb627fe02493d00fbb8589f
MD5 hash: 6887c4d1799b847138380181246892f6
humanhash: summer-fish-low-social
File name:Cotización adjunta________doc.exe
Download: download sample
Signature DarkCloud
File size:1'400'832 bytes
First seen:2025-04-28 20:47:41 UTC
Last seen:2025-05-09 14:41:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 130d5621ef2323889c6e1ed2746329fe (22 x LummaStealer, 4 x Vidar, 2 x LockBit)
ssdeep 24576:+8pYtCK2GWdKE00oRk+tpUeZXX6GTO+WjERLf:H4CKBWdKBk+YeZXJ1ME
TLSH T1A255D018EC7490D9FCE301F17B699221A4337D3BCE382A6B94E8E711154ADDD193A36B
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 James_inthe_box
Tags:DarkCloud exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
555
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Cotizacinadjunta________doc.exe
Verdict:
Malicious activity
Analysis date:
2025-04-28 20:50:10 UTC
Tags:
stealer evasion ims-api generic darkcloud upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
underscore extens virus word
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy fingerprint masquerade microsoft_visual_cc packed packed packer_detected
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign 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)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.LummaC
Status:
Malicious
First seen:
2025-04-28 15:43:36 UTC
File Type:
PE+ (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery stealer
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:
darkcloud
YARA:
n/a
Unpacked files
SH256 hash:
978bdb0431417015dfe8d95572d87225e038cc2b82adc4aa3cfee89a90767ae0
MD5 hash:
6887c4d1799b847138380181246892f6
SHA1 hash:
b0ba26d552719e702cb627fe02493d00fbb8589f
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
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

DarkCloud

Executable exe 978bdb0431417015dfe8d95572d87225e038cc2b82adc4aa3cfee89a90767ae0

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
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

Comments