MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 94acc32760e093e4aea5cc43f0912e33b3969a7b7a406ba2d5241639f4d89d3c. 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: 17
| SHA256 hash: | 94acc32760e093e4aea5cc43f0912e33b3969a7b7a406ba2d5241639f4d89d3c |
|---|---|
| SHA3-384 hash: | 9b04534f3145132710d37cb1658d9ad929a37ee665f9cde824a877fbf7610cf7d91d40bc77b8f36981b66cb00c4206c6 |
| SHA1 hash: | 10a154aa17d05e68584cd88d97c3f5feb4d4b6c1 |
| MD5 hash: | 11c1f8dec3c36d8a4f5df69460cf9a9a |
| humanhash: | comet-wisconsin-earth-georgia |
| File name: | 11c1f8dec3c36d8a4f5df69460cf9a9a.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 708'744 bytes |
| First seen: | 2024-08-22 07:14:51 UTC |
| Last seen: | 2024-08-22 07:28:16 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3f91aceea750f765ef2ba5d9988e6a00 (45 x GuLoader, 9 x RemcosRAT, 7 x Loki) |
| ssdeep | 12288:RS4nbY89TPR2YuzfZBqR3wadXpQphpb2MHn/zE6w2FxU1QgUVEnSFy:c4nbYF1zzswadXsb2MHn/HFatnS4 |
| Threatray | 145 similar samples on MalwareBazaar |
| TLSH | T1A1E4F181B154C0D5EC6A16B26C2BCA4A15A73C7EEDF0610F76EAB74E46B3393011BD4B |
| 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): |  |
| dhash icon | c2cadad6c2c2dac6 (2 x GuLoader, 1 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Udlandsrejse Nskvrdigheds Luftspring |
|---|---|
| Issuer: | Udlandsrejse Nskvrdigheds Luftspring |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-02-06T00:22:19Z |
| Valid to: | 2027-02-05T00:22:19Z |
| Serial number: | 5cdcedc848845b3ea258d77be1895495e0b4000f |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | f60ede81a02fa49a1841c3bf237d68bc9b2a1b72bd507069535c9917c8a904d1 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
393
Origin country :
NLVendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
11c1f8dec3c36d8a4f5df69460cf9a9a.exe
Verdict:
Malicious activity
Analysis date:
2024-08-22 07:18:26 UTC
Tags:
guloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Generic Static Inject
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Creating a file
Creating a file in the Windows subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 GuLoader
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2024-08-21 06:18:40 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 135 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader credential_access discovery downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
MD5 hash:
d6f54d2cefdf58836805796f55bfc846
SHA1 hash:
b980addc1a755b968dd5799179d3b4f1c2de9d2d
SH256 hash:
507df75c959e1c9a89febb3f5d5963539895d9a602f4e6ca7898079919a83352
MD5 hash:
232f16c1cb21335fbce6f78ddaf2458c
SHA1 hash:
1c5981b852b3b640c98547074bda081c38859c3f
SH256 hash:
94acc32760e093e4aea5cc43f0912e33b3969a7b7a406ba2d5241639f4d89d3c
MD5 hash:
11c1f8dec3c36d8a4f5df69460cf9a9a
SHA1 hash:
10a154aa17d05e68584cd88d97c3f5feb4d4b6c1
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::SetFileSecurityW |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDiskFreeSpaceW KERNEL32.dll::GetCommandLineW |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW |
| WIN_BASE_USER_API | Retrieves Account Information | ADVAPI32.dll::LookupPrivilegeValueW |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::AppendMenuW USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::OpenClipboard USER32.dll::PeekMessageW USER32.dll::CreateWindowExW |
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