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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f. 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: 14


Intelligence 14 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f
SHA3-384 hash: 1af290daa7bc241628ca945b25a17bc4ff94ab03265e819028567fc45d44b6154c7df15dc45d3e95d5960862af95878a
SHA1 hash: 9eda8853ea74470d59d953329341750cc420b161
MD5 hash: 0270d9f65bf63999240fafabbea1bcab
humanhash: orange-purple-fifteen-angel
File name:rTransferenciarealizada451236.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:697'820 bytes
First seen:2024-11-19 03:00:10 UTC
Last seen:2026-05-21 13:49:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer)
ssdeep 12288:fTkuHDdu5QpUjsXnkKJuSAgwCKousQKnsk2axTsv:fTRoaUj+USHToqxTsv
Threatray 1'457 similar samples on MalwareBazaar
TLSH T16CE40143ED4481D1E9644F30647F1D7E87BB3E7A5A48090F7F88B6742DB3682E60761A
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 30b6ceceda9eb030 (4 x GuLoader)
Reporter FXOLabs
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
5
# of downloads :
485
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rTransferenciarealizada451236.exe
Verdict:
Malicious activity
Analysis date:
2024-11-19 03:06:54 UTC
Tags:
evasion snake keylogger telegram
Link:
https://app.any.run/tasks/f5176fcb-a398-4134-a75a-38bdf31ac174

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.20911.2508.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673c00de80d21948b032ba64
Tags:
uloader virus gates
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/673bff6f3d0d9f2bf1d8ac03/reports/bca9bb3d-4e24-4f35-ad10-13516a03fb40/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f
Malware family:
Unlabeled
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1c3bc3bd-6bc4-4573-b3e2-b3636ebf467f
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1558164
Signature
AI detected suspicious sample
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f/
Threat name:
Win32.Spyware.Snakekeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-11-18 21:54:26 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wd6o74gkkv2b3yb5hq35m22rryxnypzru5oivtve3blts7iroqhq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
006bf1bbcce9975a267a47c57b2418d136c87dcc0ad30a604e8fa8f99f74d568
GuLoader
48870e9b5a19c7c22f4ef4fe301b0f827a49271fd892a543009f41a91b2a94e7
GuLoader
86cbf592506673e51dc698eeae701d4bb6c303179d198e3e9566bbc007ef5108
GuLoader
a3228a072409a8a3e96d305b669630bb03e0507bfe5472b7538237432ec8cfb8
GuLoader
b4f6c5f7ee2572f16ac43d309919fb519b76cae56e324f0abc7574ca6b567947
GuLoader
error
GuLoader
+ 1'447 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger spyware stealer
Link:
https://tria.ge/reports/241119-dhwd9syrfz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7773291387:AAFW0tyP5tccfsSYvPespY2G7aDGr5DPwdk/sendMessage?chat_id=7981072606
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bab69288-1bfe-49ea-a663-72fc5761aed8
Unpacked files
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Link:
https://www.unpac.me/results/ee921a1c-b2be-454a-8c12-e4c90a7e9dec/
SH256 hash:
b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f
MD5 hash:
0270d9f65bf63999240fafabbea1bcab
SHA1 hash:
9eda8853ea74470d59d953329341750cc420b161
Link:
https://www.unpac.me/results/ee921a1c-b2be-454a-8c12-e4c90a7e9dec/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b0fceff0ca55/report/overview.html
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.

Malspam

GuLoader

Executable exe b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
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_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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