MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ce6b7a411b2cddd25b3884aa94c5790997b8717dae6e38b26ec1a67190b32bb. 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 1 File information Comments

SHA256 hash: 7ce6b7a411b2cddd25b3884aa94c5790997b8717dae6e38b26ec1a67190b32bb
SHA3-384 hash: 6356a69bc390cf3b4582250414e96a5c271b31909e3e2ef263823e6868b48c70748c911601a1eb3e6fd9803ff34112e5
SHA1 hash: b95bbce5dd5f6abf59bfc8d7ea44913c28954412
MD5 hash: 4fd577329760c40fcf57a8781c1ad4e8
humanhash: edward-lamp-chicken-connecticut
File name:Quote-UAE0336637809567875351431-24_pdf.exe
Download: download sample
Signature GuLoader
File size:840'069 bytes
First seen:2025-02-25 10:24:51 UTC
Last seen:2025-03-10 11:33:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e221f4f7d36469d53810a4b5f9fc8966 (118 x GuLoader, 28 x RemcosRAT, 21 x Formbook)
ssdeep 24576:fXrqImBCUkwIzhLaDo2uonUFnNM0oGFjP+pwGs:fWISgxo4NJWpJs
TLSH T12F05E02AEA79073BC0BB6779AADF501572751D2433F7413733B4FA29B631312985EA80
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
dhash icon 5d9c6ce4d4929005 (19 x GuLoader)
Reporter kafan_shengui
Tags:cloudeye exe GuLoader PureLogs

Intelligence


File Origin
# of uploads :
2
# of downloads :
568
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote-UAE0336637809567875351431-24_pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-02-25 10:21:17 UTC
Tags:
purecrypter purelogs exfiltration stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
underscore nsis
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context blackhole installer masquerade microsoft_visual_cc obfuscated overlay packed packer_detected
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Discord Token Stealer, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Discord Token Stealer
Yara detected Generic Stealer
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1623561 Sample: Quote-UAE033663780956787535... Startdate: 25/02/2025 Architecture: WINDOWS Score: 100 20 ghooozztttt.duckdns.org 2->20 22 35.37.15.0.in-addr.arpa 2->22 24 2 other IPs or domains 2->24 32 Suricata IDS alerts for network traffic 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Generic Stealer 2->36 40 8 other signatures 2->40 7 Quote-UAE0336637809567875351431-24_pdf.exe 39 2->7         started        signatures3 38 Uses dynamic DNS services 20->38 process4 file5 16 C:\Users\user\AppData\Local\...\System.dll, PE32 7->16 dropped 42 Tries to detect virtualization through RDTSC time measurements 7->42 44 Switches to a custom stack to bypass stack traces 7->44 11 Quote-UAE0336637809567875351431-24_pdf.exe 9 7->11         started        signatures6 process7 dnsIp8 26 drive.usercontent.google.com 142.250.185.161, 443, 49780 GOOGLEUS United States 11->26 28 drive.google.com 216.58.206.78, 443, 49774 GOOGLEUS United States 11->28 30 ghooozztttt.duckdns.org 143.244.46.149, 49826, 49857, 57504 COGENT-174US United States 11->30 18 Quote-UAE033663780...1431-24_pdf.exe.log, ASCII 11->18 dropped 46 Tries to steal Mail credentials (via file / registry access) 11->46 48 Found many strings related to Crypto-Wallets (likely being stolen) 11->48 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->50 52 2 other signatures 11->52 file9 signatures10
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2025-02-24 20:44:13 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader collection discovery downloader spyware stealer
Behaviour
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
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Guloader family
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
7ce6b7a411b2cddd25b3884aa94c5790997b8717dae6e38b26ec1a67190b32bb
MD5 hash:
4fd577329760c40fcf57a8781c1ad4e8
SHA1 hash:
b95bbce5dd5f6abf59bfc8d7ea44913c28954412
SH256 hash:
4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe
MD5 hash:
3e6bf00b3ac976122f982ae2aadb1c51
SHA1 hash:
caab188f7fdc84d3fdcb2922edeeb5ed576bd31d
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
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::GetWindowsDirectoryW
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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