MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cf311a17be329c440e20a86db84c0d03597e977279411faaf7bf2806a206078. 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


GuLoader


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6cf311a17be329c440e20a86db84c0d03597e977279411faaf7bf2806a206078
SHA3-384 hash: 602f9edb2cdf83e69d707ad6aa280c3d45f003af7233358ad112733da5b4fcb6a3b767e77e76b151fa6bbe4973cce30a
SHA1 hash: 22377a4622d30e5b3bf25074cc95f8bd46ed557f
MD5 hash: e97ae63e5c9d0ee980d1812c9266beba
humanhash: harry-idaho-indigo-white
File name:DHL Booking.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:660'112 bytes
First seen:2024-03-18 07:08:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (385 x GuLoader, 58 x RemcosRAT, 40 x AgentTesla)
ssdeep 12288:Lq3/MIr7NNIcsOkSug516uDNtwMFqaIPMnQhH1CRjU0u3FZWTzgDa:8/MIEcsOt/6uZt7saIPMgVCq0cszgG
Threatray 19 similar samples on MalwareBazaar
TLSH T1C4E42348E3D8A85EE6931E727DB2EEF7347DA60011BF024B77146B59BB21383CC64985
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:DHL exe GuLoader signed

Code Signing Certificate

Organisation:Zilas
Issuer:Zilas
Algorithm:sha256WithRSAEncryption
Valid from:2023-06-12T09:34:10Z
Valid to:2026-06-11T09:34:10Z
Serial number: 7ccdaff5dc618bde4b1fdb25c8a3a9a2bf992cad
Thumbprint Algorithm:SHA256
Thumbprint: f8094c26f9a640cf8f794e670e35cabdc7138df4e48dec5a828f9a01a002f270
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
322
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Booking.exe
Verdict:
Malicious activity
Analysis date:
2024-03-18 03:40:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/96dec56e-5ad6-4d8a-8ea6-967db520c611

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Changing a file
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/65f7e89387137159d4483be2/reports/32b79e87-fc95-4b69-84fa-2c4d1f83257f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/6cf311a17be329c440e20a86db84c0d03597e977279411faaf7bf2806a206078
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f1bba4b9-4610-4ee0-9a70-14dacb3bab68
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1410625
Signature
Antivirus detection for URL or domain
Contains functionality to register a low level keyboard hook
Found malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell drops PE file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suspicious powershell command line found
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 AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1410625 Sample: DHL Booking.exe Startdate: 18/03/2024 Architecture: WINDOWS Score: 100 34 smtp.gmail.com 2->34 36 apwisulsel.sa.com 2->36 38 api.ipify.org 2->38 48 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 6 other signatures 2->54 8 DHL Booking.exe 1 35 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\Uformidlet.Pha, ASCII 8->24 dropped 56 Suspicious powershell command line found 8->56 12 powershell.exe 20 8->12         started        signatures6 process7 file8 26 C:\Users\user\AppData\...\DHL Booking.exe, PE32 12->26 dropped 58 Obfuscated command line found 12->58 60 Writes to foreign memory regions 12->60 62 Powershell drops PE file 12->62 16 wab.exe 15 8 12->16         started        20 conhost.exe 12->20         started        22 cmd.exe 1 12->22         started        signatures9 process10 dnsIp11 28 apwisulsel.sa.com 104.128.228.214, 443, 49712 HOSTUS-GLOBAL-ASHostUSHK United States 16->28 30 smtp.gmail.com 172.253.115.108, 49714, 49715, 49716 GOOGLEUS United States 16->30 32 api.ipify.org 104.26.13.205, 443, 49713 CLOUDFLARENETUS United States 16->32 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->40 42 Tries to steal Mail credentials (via file / registry access) 16->42 44 Tries to harvest and steal browser information (history, passwords, etc) 16->44 46 Installs a global keyboard hook 16->46 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6cf311a17be329c440e20a86db84c0d03597e977279411faaf7bf2806a206078
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6cf311a17be329c440e20a86db84c0d03597e977279411faaf7bf2806a206078/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-03-18 03:22:54 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
10 of 36 (27.78%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ntzrdil34mu4iqhcbkdnxbga2a2zp2lxe6kbd6vpppzia2ramb4a._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
37950119cdd0165154841c1fa0803dacccb63012561ea77cb11a787e2c0fa588
GuLoader
496278998f3dbc4bd9cc37ee7e9628cc7a8372f55cb65c5f143b6723bec46096
GuLoader
614ae605266b9829b5577ebd8562f5fadb2ef82337597d32e54c8ace9f1ea25c
GuLoader
842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2
GuLoader
a9e7826e1404e06fb6b073ff5e025313612b5aec22121aba299c72b86749e9bf
GuLoader
c9e1de1c6ddd3ffd9c87ebdbcf9bd5b7064af9f60f650ae50573b05a49af8327
GuLoader
dfa384f6136c43639f6c66766ca81c245e65a70fcf92015656b1cd7a579a3647
GuLoader
e156c4e8e53c6b93166fea54fb521d9eb8bc74143ad52697a28809f5639205cf
GuLoader
+ 9 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader persistence
Link:
https://tria.ge/reports/240318-hytb3aba87/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Guloader,Cloudeye
Unpacked files
SH256 hash:
6cf311a17be329c440e20a86db84c0d03597e977279411faaf7bf2806a206078
MD5 hash:
e97ae63e5c9d0ee980d1812c9266beba
SHA1 hash:
22377a4622d30e5b3bf25074cc95f8bd46ed557f
Link:
https://www.unpac.me/results/0835efc7-2316-4d08-8aeb-c4fc46ccc897/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6cf311a17be3/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/6cf311a17be329c440e20a86db84c0d03597e977279411faaf7bf2806a206078

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments