MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f
SHA3-384 hash: dd9c9ade7199d8d6f519dfc1a53865183a4fb2919295af72c73548e234356b0ebf228f49dc165d5ce5e36c95c3e27e69
SHA1 hash: 1dbbf6026db9fd2a608b9bf20e4ff0d5412586f1
MD5 hash: a427b0f23670795d88e895ac89f409ef
humanhash: golf-red-tennessee-burger
File name:Payment13022025000001111928374.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:701'109 bytes
First seen:2025-02-13 11:35:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7192d3773f389d45ebac3cc67d054a8a (37 x GuLoader, 8 x RemcosRAT, 7 x VIPKeylogger)
ssdeep 12288:hDG4hAuAs8nf8gvArebnK9JUnnMam9x3neWTTiiuolhLFz:t2ns8nf8gvue7K9+nM59x3eWf4oLLFz
Threatray 2'057 similar samples on MalwareBazaar
TLSH T178E4E12326A2DC23D39057B45119E77DCE62BE8A1871C23267F5AD5F7624F31BC183A2
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
Reporter threatcat_ch
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
473
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment13022025000001111928374.exe
Verdict:
Malicious activity
Analysis date:
2025-02-13 11:37:21 UTC
Tags:
evasion snake keylogger stealer
Link:
https://app.any.run/tasks/b47bb5a2-495e-43f5-ac90-a0d98ab1d86a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67add93128ab76d43a5abe6d
Tags:
injection virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
blackhole installer masquerade microsoft_visual_cc obfuscated overlay packed packer_detected
Link:
https://www.filescan.io/uploads/67add930991985e0a9582799/reports/c93bbe84-57e1-439c-99b9-7212b142da8d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/9c1ea3e7-192e-414b-8989-d062eaf2bd83
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1614194
Signature
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Tries to detect the country of the analysis system (by using the IP)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-02-13 11:36:15 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xihyqgyemlh5vr2tgidjt34r772jisl6t7r2yxb3tl4vd4hbjnhq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
2481fd6c5d237aea74644564492f05998b436ab51fb2730310f4049a53ba5459
GuLoader
307b13c2f8002e88af027d2c549936d08a47d1e3bfa96174d0b5b6cc749f7c3d
GuLoader
448234787d7924280fedbb49f5702f0483ef8046394f8adc14006f3f8b6793b2
GuLoader
67012c9555804fbfe82f17ee6d7d09196ed356053e2e778f49a998a4b718d6a6
GuLoader
691b3c73fa3301b9c36de80df0e7aa9d551a87ccc77a04b93786d6f1f5a41969
GuLoader
a81759cc686cbbf9946cc49e6bf06907532e57d9ff167e061e3993fb0c0fd1b7
GuLoader
ab2036dc90a503a003ed28e17ed2cf24001848be05580b6246656f88abe01c86
GuLoader
ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f
GuLoader
error
GuLoader
f93a630eab832224dee5372049c7e7cfab3fc0bd78d3eb9b13f9b384e4b0f81f
GuLoader
+ 2'047 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader collection discovery downloader spyware stealer
Link:
https://tria.ge/reports/250213-nqj2baxkhj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of local email clients
Downloads MZ/PE file
Guloader family
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1676fa2e-68f5-4df1-a5e5-16aafc13d899
Unpacked files
SH256 hash:
ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f
MD5 hash:
a427b0f23670795d88e895ac89f409ef
SHA1 hash:
1dbbf6026db9fd2a608b9bf20e4ff0d5412586f1
Link:
https://www.unpac.me/results/23ac2781-6f4a-4e11-a74a-7e97d6fa3a1b/
SH256 hash:
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
MD5 hash:
ee260c45e97b62a5e42f17460d406068
SHA1 hash:
df35f6300a03c4d3d3bd69752574426296b78695
Link:
https://www.unpac.me/results/23ac2781-6f4a-4e11-a74a-7e97d6fa3a1b/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ba0f881b0462/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f

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: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.

Malspam

GuLoader

Executable exe ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f

(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_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::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::LoadLibraryW
KERNEL32.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