MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c
SHA3-384 hash: 488515dfb24d635e342c7628f9ff2d0f52040052eb54f2b006d34adc1ac7fa8710caf3a1853d6aa449c912d41486a8da
SHA1 hash: 6886152c3d34e7f09d99c7a0b486840aad4e593e
MD5 hash: ab43026d2cb5471c10e463530e9c6af4
humanhash: vegan-spaghetti-king-texas
File name:Request for quotation.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:680'232 bytes
First seen:2024-03-18 07:30:51 UTC
Last seen:2024-03-18 13:46:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (388 x GuLoader, 59 x RemcosRAT, 44 x VIPKeylogger)
ssdeep 12288:vq3doXphD/ejXq+WCW98QJC3PxC5ZVHa6QhH1CRjU0u3FZWTzgS:QSPZ+D6NCpsZVMVCq0cszgS
Threatray 492 similar samples on MalwareBazaar
TLSH T1D6E4234D81ECDA7BD68385326DB26BF7D83FA520302A540F5B283F6EDF513C194469A2
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 TeamDreier
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:vaffeljernene
Issuer:vaffeljernene
Algorithm:sha256WithRSAEncryption
Valid from:2023-12-03T01:01:45Z
Valid to:2026-12-02T01:01:45Z
Serial number: 5629b01fb1a1d51c5e3a4033f0b033d7eff27127
Thumbprint Algorithm:SHA256
Thumbprint: 98cb51b01fafe521ab1cba8b8ca3ff14e8eccc2b982340937cbcf01f848ee108
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
387
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c.exe
Verdict:
Malicious activity
Analysis date:
2024-03-18 07:33:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/50d8b410-1da2-491a-9737-283ea2a12147

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

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65f7edbf757c624818b1f5a1/reports/bf48819d-94d0-4ce7-8bad-87c247697087/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c
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:
Unknown
Link:
https://analyze.intezer.com/analyses/ce0342a0-598f-49ba-8b34-a65fd1f2b84b
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1410641
Signature
Antivirus detection for URL or domain
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Multi AV Scanner detection for domain / URL
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: 1410641 Sample: Request for quotation.exe Startdate: 18/03/2024 Architecture: WINDOWS Score: 100 34 smtp.gmail.com 2->34 36 dalgarnwebdesign.za.com 2->36 38 api.ipify.org 2->38 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 7 other signatures 2->54 8 Request for quotation.exe 1 37 2->8         started        signatures3 process4 file5 24 C:\Users\user\...\Uddeliggrelsernes.Ret, ASCII 8->24 dropped 56 Suspicious powershell command line found 8->56 12 powershell.exe 18 8->12         started        signatures6 process7 file8 26 C:\Users\user\...\Request for quotation.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 dalgarnwebdesign.za.com 185.221.216.115, 443, 49736 HOST4GEEKS-LLCUS United Kingdom 16->28 30 smtp.gmail.com 172.253.115.108, 49738, 49739, 49740 GOOGLEUS United States 16->30 32 api.ipify.org 104.26.12.205, 443, 49737 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/9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c/
Threat name:
Win32.Trojan.GULoader
Create hunting rule
Status:
Malicious
First seen:
2024-03-18 06:15:31 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tbc6i6w3qgfxqj2qofmbrp3oi6edsypkv5rd3ogjkvgahu3rsa6a._file
Verdict:
unknown
Similar samples:
012cdac9c7fabd82e1be72dcacb79bd73fabdef7bd148f4f1035943e5882270b
GuLoader
448234787d7924280fedbb49f5702f0483ef8046394f8adc14006f3f8b6793b2
GuLoader
5be9a105842416d225d391c67414ca7dd1f429a785edb44d76023d6bedc381ad
GuLoader
691b3c73fa3301b9c36de80df0e7aa9d551a87ccc77a04b93786d6f1f5a41969
GuLoader
80a10c6ddb0a21c9a5c8d1495612f8b8a50c17d6d4469f04fe2f5c0e1f7b2e97
GuLoader
88fcfb4aa99e99cb38660d6346ce989abf4569019cfd58cc762b6314a7c1f7e9
GuLoader
ab2036dc90a503a003ed28e17ed2cf24001848be05580b6246656f88abe01c86
GuLoader
b4d2e40296ddd8f6127f9d2ba3703b134fee350602ee9c90f6d73737a2186a86
GuLoader
dd39027f02b3a47cb2677440f59575089a0673f134cff175d908be574ebc80ac
GuLoader
+ 482 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:guloader downloader keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240318-jcdj6acb6z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c
MD5 hash:
ab43026d2cb5471c10e463530e9c6af4
SHA1 hash:
6886152c3d34e7f09d99c7a0b486840aad4e593e
Link:
https://www.unpac.me/results/5c7a5db0-b586-4641-a150-bb1cf71e80ef/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9845e47adb81/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c

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.

Malspam

GuLoader

Executable exe 9845e47adb818b782750715818bf6e47883961eaaf623db8c9554c03d371903c

(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_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