MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d538dfafbdf6ac115c24dbdd68c65dbef6460808dd2c4f3fc01d5e15bfc2f902. 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


ZLoader


Vendor detections: 4


Intelligence 4 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d538dfafbdf6ac115c24dbdd68c65dbef6460808dd2c4f3fc01d5e15bfc2f902
SHA3-384 hash: f84ff9650e5c24d815144c83c6273072a4cb77429de69f7215b612518847db92f4cc5d6b4c2e10592248b2f45e2b5e87
SHA1 hash: 478431cb35563783340cbfd69f5eef74a808f5bf
MD5 hash: dea7ef874f21922114e030ab165635e4
humanhash: johnny-diet-delaware-bacon
File name:april24.dll
Download: download sample
Signature ZLoader
Create hunting rule
File size:483'840 bytes
First seen:2020-04-24 15:23:44 UTC
Last seen:2020-04-24 18:40:03 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash b3010a68d5712ce0df006249937b2c0a (4 x ZLoader)
ssdeep 12288:zayq7dYtaR2FV9DAuuasxaunyIVTyMAzj:zxvta+jmnlVTIzj
Threatray 55 similar samples on MalwareBazaar
TLSH 4CA4BF113AA8C1FEE4A95536AD69D9FC8558BC71CF70A8933BD0BF0F76303D09624626
Reporter abuse_ch
Tags:dll ZLoader


Avatar
abuse_ch
Me looking in my spamtraps. Guess what I see? Another ZLoader malspam campaign originating from @Sendgrid mailservers

ZLoader malspam sent from Sendgrid mailserver:

HELO: o3.6le.shared.sendgrid.net
Sending IP: 167.89.100.246
From: Robert Primm <piyush.sadseliya@1rivet.com>
Subject: Regarding position
Attachment: Robert Primm.xls

Payload URL:
http://wmwifbajxxbcxmucxmlc.com/files/april24.dll

Intelligence

File Origin
# of uploads :
3
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic.mg.dea7ef874f219221.23713.UNOFFICIAL
Create hunting rule

PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-04-24 15:35:20 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2u4n7l5562wbcxbe3powrrs5x33emcai3uwe6p6advpblp6c7eba._file
Verdict:
malicious
Label(s):
gozi
Create hunting rule
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+ 45 additional samples on MalwareBazaar
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

ZLoader

Excel file xls 5eea32c4ea49b5fd7eae9f78cea896d28efc5fabfd43183c7ad36db0c30ddea8

ZLoader

DLL dll d538dfafbdf6ac115c24dbdd68c65dbef6460808dd2c4f3fc01d5e15bfc2f902

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/350658/
  
Dropped by
MD5 7c1df25c7136c270da1a851042d6f3fe
  
Dropped by
SHA256 5eea32c4ea49b5fd7eae9f78cea896d28efc5fabfd43183c7ad36db0c30ddea8
  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::InitializeSecurityDescriptor
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetSecurityDescriptorGroup
ADVAPI32.dll::SetSecurityDescriptorOwner
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenServiceA
ADVAPI32.dll::QueryServiceStatus
ADVAPI32.dll::RegisterServiceCtrlHandlerA
ADVAPI32.dll::StartServiceCtrlDispatcherA

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