MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a
SHA3-384 hash: e4ce772621cc23e5eea51c15e819a80a3f27ec37dd857c26b40950e8e45c46675ff8884a06d8c76ef20dea3b28601b07
SHA1 hash: fe7d7c8863a5f71e02b2b5b76e1a8f506b08dba7
MD5 hash: c616c105a117d63de2b4f818c8fdd3e0
humanhash: music-quiet-vegan-lemon
File name:a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a
Download: download sample
Signature GuLoader
Create hunting rule
File size:616'800 bytes
First seen:2025-01-10 14:06:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (304 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:GyI5s2239X0wH5ky98puy+AMRYEBx2fKIn4jmTYzCr/5/dwgEhWSdfoVLg6XLCLl:D22tHb8MRYEBxAnPTYzA/7wRhW906OLl
TLSH T1A0D4F183340558E0F4E20DB154BB8A6105BF9F7ABB95282FB3DC731614F225A4B3A7D6
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
File icon (PE):PE icon
dhash icon e209f8e486808200 (6 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
187
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a
Verdict:
No threats detected
Analysis date:
2025-01-10 15:23:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cb2c7351-6732-4b0a-a2fd-66824d1dc77e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Inject5.10103.19734.11908.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678129992c8240e189bb80a6
Tags:
uloader virus nsis blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Delayed reading of the file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% subdirectories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc overlay
Link:
https://www.filescan.io/uploads/6781299672a72c6ee1c019b0/reports/0780259e-cdc9-4e80-b58b-10c70cd974de/overview
Verdict:
Malicious
Labled as:
Babar.Generic
Link:
https://www.hybrid-analysis.com/sample/a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a
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/dfaf083d-3837-406c-80ea-8f5267bc9238
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1587595
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-10-07 15:45:33 UTC
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ugagijkyub4hnknai4qx552vassp47q7alrc4hyz765i2m7gpefa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250110-rezt6swlhw/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Verdict:
Malicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Link:
https://app.threat.zone/submission/96e037e4-1492-4be0-804e-63e9dff2b7e9
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
Link:
https://www.unpac.me/results/cf29cdf1-76ad-49e0-88f7-d24ff58e6032/
SH256 hash:
a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a
MD5 hash:
c616c105a117d63de2b4f818c8fdd3e0
SHA1 hash:
fe7d7c8863a5f71e02b2b5b76e1a8f506b08dba7
Link:
https://www.unpac.me/results/cf29cdf1-76ad-49e0-88f7-d24ff58e6032/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/a180642558a07876a9a047217ef75504a4fe7e1f02e22e1f19ffba8d33e6790a

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:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments