MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6206e88335305e4230178b9e72d7c0619cdddf1d470fad04d7a5af3cc3e76dbd. 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 File information Comments

SHA256 hash: 6206e88335305e4230178b9e72d7c0619cdddf1d470fad04d7a5af3cc3e76dbd
SHA3-384 hash: 72a24c030b826e69a105244adf4be5ced7a820177090f37f14598f2861e2c62cdac5896b76c8c5260e4c749ea399aa56
SHA1 hash: 23de77e0601b604a6995ae1a8a96443921da829a
MD5 hash: 66630fedb32f8ff4e8dc22b3b27b7815
humanhash: black-early-illinois-beryllium
File name:Unpaid INV02.exe
Download: download sample
Signature GuLoader
File size:506'862 bytes
First seen:2024-03-20 07:11:12 UTC
Last seen:2024-03-20 08:27:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 12288:bVY9Yv5FvlmZxxVHSLMwEG2H51q5OJMOobT1F4+Z39/8h:be9Yv5Fvl2/VyLJXqqUJMOoH1aq6h
Threatray 55 similar samples on MalwareBazaar
TLSH T165B412017BD2C2FBE4290A768C4783655EB4BD415BF15B6B334477AEAD332808A0FE56
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 00cce4fccce4fc04 (4 x GuLoader, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
336
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
66630fedb32f8ff4e8dc22b3b27b7815.exe
Verdict:
Malicious activity
Analysis date:
2024-03-20 04:45:09 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Windows subdirectories
Launching a process
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
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.
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1412188 Sample: Unpaid INV02.exe Startdate: 20/03/2024 Architecture: WINDOWS Score: 100 25 scootero.cl 2->25 27 mail.scootero.cl 2->27 29 2 other IPs or domains 2->29 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Antivirus detection for URL or domain 2->49 51 6 other signatures 2->51 8 Unpaid INV02.exe 2 17 2->8         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\Fritidslivets.Shr, ASCII 8->23 dropped 53 Suspicious powershell command line found 8->53 12 powershell.exe 18 8->12         started        signatures6 process7 signatures8 55 Obfuscated command line found 12->55 57 Writes to foreign memory regions 12->57 15 wab.exe 15 8 12->15         started        19 conhost.exe 12->19         started        21 cmd.exe 1 12->21         started        process9 dnsIp10 31 scootero.cl 177.221.140.242, 49714, 49715, 587 GRUPOCGLIMITADACL unknown 15->31 33 apwisulsel.sa.com 104.128.228.214, 443, 49712 HOSTUS-GLOBAL-ASHostUSHK United States 15->33 35 api.ipify.org 172.67.74.152, 443, 49713 CLOUDFLARENETUS United States 15->35 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 Tries to harvest and steal browser information (history, passwords, etc) 15->41 43 Installs a global keyboard hook 15->43 signatures11
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-03-20 05:53:56 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:agenttesla family:guloader downloader keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
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:
6206e88335305e4230178b9e72d7c0619cdddf1d470fad04d7a5af3cc3e76dbd
MD5 hash:
66630fedb32f8ff4e8dc22b3b27b7815
SHA1 hash:
23de77e0601b604a6995ae1a8a96443921da829a
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.

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
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::MoveFileExW
KERNEL32.dll::MoveFileW
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

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