MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729
SHA3-384 hash: 9096492c1a44009677e4cd4348cbe38e38a60a6073079e99a36ec69ba95d8239017a8466d6e7ecf668c1814de4e03ef1
SHA1 hash: 420b7a11723cf2baa977be0c37ccfa4ee1c55c9c
MD5 hash: b062dbccf2a25f8a5a029fdc818ff871
humanhash: apart-angel-fix-mango
File name:SecuriteInfo.com.Win32.Evo-gen.17942.17934
Download: download sample
Signature GuLoader
Create hunting rule
File size:882'649 bytes
First seen:2025-02-04 09:31:18 UTC
Last seen:2025-02-04 09:31:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (388 x GuLoader, 59 x RemcosRAT, 44 x VIPKeylogger)
ssdeep 24576:QPyqE0GP4TDRiB9P+/c0P3j/kSQ7KHuReqr/sblNP9Ex5:IE0K330j/usWp/sblNVE7
Threatray 408 similar samples on MalwareBazaar
TLSH T17715E0132908553AC29A1233F0A7DB378376BE8558688E97B1FD7C873E6134F3169399
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 f0c48c9e86c4e4e0 (4 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
441
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.Evo-gen.17942.17934
Verdict:
Malicious activity
Analysis date:
2025-02-04 09:35:41 UTC
Tags:
evasion snake keylogger stealer ims-api generic
Link:
https://app.any.run/tasks/23f72e40-a672-4356-8a40-7577c6396876

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.23573.3552.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a1df9451193558eb19555c
Tags:
injection virus nsis blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Creating a file
Delayed reading of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer microsoft_visual_cc obfuscated overlay packed packer_detected
Link:
https://www.filescan.io/uploads/67a1de98990173aed93569f8/reports/7a6a7be1-0ce7-4a59-84a5-55e015fe6682/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729
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.
Malware family:
Microsoft Corporation
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0f7f51d1-fc29-462a-9369-f7d54db62806
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1606361
Signature
Disable Task Manager(disabletaskmgr)
Disables CMD prompt
Disables the Windows task manager (taskmgr)
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:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-02-04 09:32:15 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=czhwvuq6csweczvg7sahdh6wqhvwntllzl7t42b7y7ctsg7dk4uq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729
GuLoader
293ebd610b0542289ffe9a52cab2c2a434dcff94918045a5ed1497deaee5eb87
GuLoader
37d13708f889db7729c8fd162898aa6667f546de9396aaa604fb97998fbaf02a
GuLoader
4ec2fd690c7b8eca3ef9a7a2624672f7ef09f75985922656ab588062ec1212ed
GuLoader
8806ce311854fa80261e855453c07d30b43a24d413c65cdfaae99024408bd6ff
GuLoader
af5bce0b855a401d84911a6e5f59de62aa695faf1102e8dc0658268e3635d5f7
GuLoader
b4d2e40296ddd8f6127f9d2ba3703b134fee350602ee9c90f6d73737a2186a86
GuLoader
cc0f338358d7729fa8f4827bf1dd12546f5886c4c636419451a7a10292d2f9e4
GuLoader
error
GuLoader
+ 398 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader collection defense_evasion discovery downloader evasion spyware stealer trojan
Link:
https://tria.ge/reports/250204-lhqssatqem/
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
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
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
Disables Task Manager via registry modification
Guloader family
Guloader,Cloudeye
Modifies Windows Defender DisableAntiSpyware settings
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6f1129e7-ef19-41e5-8db3-f8fb59e15375
Unpacked files
SH256 hash:
164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729
MD5 hash:
b062dbccf2a25f8a5a029fdc818ff871
SHA1 hash:
420b7a11723cf2baa977be0c37ccfa4ee1c55c9c
Link:
https://www.unpac.me/results/a95910b7-1a39-41d0-944a-ce41e2c76298/
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
Link:
https://www.unpac.me/results/a95910b7-1a39-41d0-944a-ce41e2c76298/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
Link:
https://yomi.yoroi.company/submissions/164f6ad21e14ac4166a6fc80719fd681eb66cd6bcaff3e683fc7c5391be35729

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.

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::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

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