MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b
SHA3-384 hash: 3147ddf98bf01bc39e4a216583ac1e073adf778d16f43a827a2c3b0a7966c33ea27f23292ad6a55bf9bf8ec79dba3563
SHA1 hash: ab78ef5c2d3ae788b89285666758413628fbbec3
MD5 hash: 442479d2d495219b4d99928ffbc5b0cf
humanhash: quebec-saturn-august-harry
File name:912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b
Download: download sample
Signature GuLoader
Create hunting rule
File size:710'354 bytes
First seen:2024-04-03 13:57:13 UTC
Last seen:2024-04-03 14:33:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (292 x GuLoader, 51 x VIPKeylogger, 48 x RemcosRAT)
ssdeep 12288:g396BGtxLg6sOlyI3Bv7z9V30J/E5OBN3aCzgNfvdK:g393tRyIxv7z9OJD70tFK
TLSH T1C6E402622360D5EBE6B84B735CB782A71EF0AC1C1ACA5247D7FD375D9036322191EB09
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon cccca2e2fafe3284 (2 x GuLoader, 1 x AgentTesla)
Reporter adrian__luca
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
300
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b
Verdict:
Malicious activity
Analysis date:
2024-04-03 13:57:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/03262d5d-3528-4de3-8ebd-e1d7a2070e95

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the Windows directory
Сreating synchronization primitives
Creating a file
Creating a file in the Windows subdirectories
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/660d606e9faf4f34a742dd9f/reports/fc6cdb09-bac6-4b9c-a314-e10fcce779c3/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b
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/77950bb8-1ea5-4068-878d-4601b06b11cf
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419507
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides threads from debuggers
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell drops PE file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419507 Sample: CtB0cM3RQI.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 36 mail.legodimo.co.za 2->36 38 lifeartfertility.co.za 2->38 40 3 other IPs or domains 2->40 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 Antivirus detection for dropped file 2->54 56 12 other signatures 2->56 8 CtB0cM3RQI.exe 9 120 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->24 dropped 26 C:\Users\user\AppData\...\Indhandlede.Blo, ASCII 8->26 dropped 58 Suspicious powershell command line found 8->58 12 powershell.exe 20 8->12         started        signatures6 process7 file8 28 C:\Users\user\AppData\...\CtB0cM3RQI.exe, PE32 12->28 dropped 60 Obfuscated command line found 12->60 62 Writes to foreign memory regions 12->62 64 Hides threads from debuggers 12->64 66 Powershell drops PE file 12->66 16 wab.exe 15 8 12->16         started        20 conhost.exe 12->20         started        22 cmd.exe 1 12->22         started        signatures9 process10 dnsIp11 30 ip-api.com 208.95.112.1, 49710, 80 TUT-ASUS United States 16->30 32 lifeartfertility.co.za 102.67.137.82, 443, 49708 DataKeepersZA South Africa 16->32 34 2 other IPs or domains 16->34 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->42 44 Tries to steal Mail credentials (via file / registry access) 16->44 46 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 16->46 48 3 other signatures 16->48 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-27 07:52:41 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=serbty4thwzoagr5nuhzrin4ad5fa46hcwue7yl6a25g7koyvuvq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/240403-q9tqzaed48/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Loads dropped DLL
Unpacked files
SH256 hash:
5e66489393f159aa0fd30b630bb345d03418e9324e7d834b2e4195865a637cfe
MD5 hash:
4c77a65bb121bb7f2910c1fa3cb38337
SHA1 hash:
94531e3c6255125c1a85653174737d275bc35838
Link:
https://www.unpac.me/results/2cdeac13-f505-44df-8cb4-531497e296dc/
SH256 hash:
1ece965ac1a7410c56c47532a43dd7e5b4db0263a8dca53f0554f7ff16003a8c
MD5 hash:
df3e949ba7901c3520698d403c7f1f5c
SHA1 hash:
6cd0bcdcd433cea81f90ecc1bf4e92e9a0d8fde2
Link:
https://www.unpac.me/results/2cdeac13-f505-44df-8cb4-531497e296dc/
SH256 hash:
912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b
MD5 hash:
442479d2d495219b4d99928ffbc5b0cf
SHA1 hash:
ab78ef5c2d3ae788b89285666758413628fbbec3
Link:
https://www.unpac.me/results/2cdeac13-f505-44df-8cb4-531497e296dc/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/912219e3933d/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/912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b

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::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::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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