MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611
SHA3-384 hash: 38b82367d3613c283d481019b0b1330b91e90499fe422a89db7a7ccfd00b2b1a7b77be31874265c637a79d50dace04cf
SHA1 hash: e4a2de78806dbc296ac97505f097e077e798ddf3
MD5 hash: fc8b93107558429854146361da62e618
humanhash: mango-potato-eighteen-angel
File name:PI.1.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:676'400 bytes
First seen:2024-03-18 13:17:34 UTC
Last seen:2024-03-25 12:30:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (385 x GuLoader, 58 x RemcosRAT, 40 x AgentTesla)
ssdeep 12288:iq3hN3sqXCPo54Ca4BpOrQhH1CRjU0u3FZWTzge:phFslgmKpOEVCq0cszge
TLSH T197E4238CE3ADDD13E207473255B2EEF7B07A6A51196E090BA7102F6ABC607C0DC95E71
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Alexiss
Issuer:Alexiss
Algorithm:sha256WithRSAEncryption
Valid from:2024-03-09T10:44:00Z
Valid to:2027-03-09T10:44:00Z
Serial number: 03d06d353419d1698e4b5f16798a7c3696fd6104
Thumbprint Algorithm:SHA256
Thumbprint: 2c9f994cd877953391bfeae1978421baa742729f4de676b95d43c6999535e589
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
330
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611.exe
Verdict:
Malicious activity
Analysis date:
2024-03-18 13:37:17 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/dc73112f-b918-4b3e-a8e3-7ddbfbcec496

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.22608.24732.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Running batch commands
Using the Windows Management Instrumentation requests
Moving a file to the Program Files subdirectory
Replacing files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/65f83f2587137159d448db63/reports/95ee0674-4416-46d0-9c5e-4f11054a742e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611
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/289449f5-3231-448d-86e6-e22207075816
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1410985
Signature
Antivirus detection for URL or domain
Found malware configuration
Installs a global keyboard hook
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)
Snort IDS alert for network traffic
Suspicious powershell command line found
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: 1410985 Sample: PI.1.exe Startdate: 18/03/2024 Architecture: WINDOWS Score: 100 34 scootero.cl 2->34 36 mail.scootero.cl 2->36 38 2 other IPs or domains 2->38 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 5 other signatures 2->54 8 PI.1.exe 1 31 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\Hovedperson16.Red, ASCII 8->24 dropped 56 Suspicious powershell command line found 8->56 12 powershell.exe 20 8->12         started        signatures6 process7 file8 26 C:\Users\user\AppData\Roaming\...\PI.1.exe, PE32 12->26 dropped 58 Obfuscated command line found 12->58 60 Writes to foreign memory regions 12->60 62 Powershell drops PE file 12->62 16 wab.exe 15 8 12->16         started        20 conhost.exe 12->20         started        22 cmd.exe 1 12->22         started        signatures9 process10 dnsIp11 28 scootero.cl 177.221.140.242, 49717, 49718, 587 GRUPOCGLIMITADACL unknown 16->28 30 apwisulsel.sa.com 104.128.228.214, 443, 49715 HOSTUS-GLOBAL-ASHostUSHK United States 16->30 32 api.ipify.org 104.26.13.205, 443, 49716 CLOUDFLARENETUS United States 16->32 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->40 42 Tries to steal Mail credentials (via file / registry access) 16->42 44 Tries to harvest and steal browser information (history, passwords, etc) 16->44 46 Installs a global keyboard hook 16->46 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611/
Threat name:
Win32.Trojan.GULoader
Create hunting rule
Status:
Malicious
First seen:
2024-03-18 04:21:26 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6j65yxzcl5ikhev7z6ol2wkvpvcf6wwup4nnghy2rgnoyhwjeyiq._file
Verdict:
unknown
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader persistence
Link:
https://tria.ge/reports/240318-qjzvasac51/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Guloader,Cloudeye
Unpacked files
SH256 hash:
f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611
MD5 hash:
fc8b93107558429854146361da62e618
SHA1 hash:
e4a2de78806dbc296ac97505f097e077e798ddf3
Link:
https://www.unpac.me/results/2ccaa298-3637-4980-b16f-d92ca71c4284/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f27ddc5f225f/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/f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

GuLoader

Executable exe f27ddc5f225f50a392bfcf9cbd59557d445f5ad47f1ad31f1a899aec1ec92611

(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_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

Comments