MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49ffcfe176de375dbbb2e4d50043d80fa254ca6b4ffc6d18d9501b6d8841a436. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49ffcfe176de375dbbb2e4d50043d80fa254ca6b4ffc6d18d9501b6d8841a436
SHA3-384 hash: fc493d5d1e83bb773c5b90d459880105792465cfdf36b15ac602bdd3188025e170f6c87f6a92390f3d1144d09e925ce6
SHA1 hash: 10890db50f2aac0931eec94f45e012944efed869
MD5 hash: e4370a31c71c37bde2e16022fa0459c2
humanhash: harry-paris-monkey-one
File name:PI_20052024.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:582'144 bytes
First seen:2024-05-21 12:59:57 UTC
Last seen:2024-05-27 13:05:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 12288:mH7MMIqb9BaBUbdD4aPHb2XR+MAghog0RdBBplW8Lmy:+7a69BWUhD3Ha+MPCXtlW8Lmy
TLSH T1FEC4F0A27A90E877F65457310DF2DEBDBBB5BC101E52560732A4772E28377408E0A6CE
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 b170f0a4cce86400 (2 x Formbook, 1 x GuLoader)
Reporter Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Fleaseed
Issuer:Fleaseed
Algorithm:sha256WithRSAEncryption
Valid from:2024-01-27T05:33:21Z
Valid to:2027-01-26T05:33:21Z
Serial number: 6738428e00cfbcede56f846eb0797b4cef8cc83d
Thumbprint Algorithm:SHA256
Thumbprint: 61422e7b6dff3ab4355c4e32b9b6a1e2de23f8341d02c3eccc4fe70d1665e834
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
6
# of downloads :
346
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
49ffcfe176de375dbbb2e4d50043d80fa254ca6b4ffc6d18d9501b6d8841a436.exe
Verdict:
Malicious activity
Analysis date:
2024-05-21 13:02:53 UTC
Tags:
evasion smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/c07f2023-3763-4105-9895-3ed59831ee01

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Zum.Androm.1.1011.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Execution Generic Network Static Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the %temp% subdirectories
Launching a process
Searching for the window
Running batch commands
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/664c9ad9d5791e8ce289b222/reports/9913e964-59f0-450a-a03c-5d3acff617b1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/49ffcfe176de375dbbb2e4d50043d80fa254ca6b4ffc6d18d9501b6d8841a436
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/edded9f0-3d3a-4482-b7a8-85786da184fc
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1445034
Signature
Antivirus detection for URL or domain
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
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)
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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: 1445034 Sample: PI_20052024.exe Startdate: 21/05/2024 Architecture: WINDOWS Score: 100 38 mail.showpiece.trillennium.biz 2->38 40 www.vibrantbhutan.com 2->40 42 3 other IPs or domains 2->42 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 2 other signatures 2->56 10 PI_20052024.exe 1 42 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 10->32 dropped 34 C:\Users\user\AppData\...\Sheriffess.Sal, ASCII 10->34 dropped 66 Suspicious powershell command line found 10->66 14 powershell.exe 20 10->14         started        signatures6 process7 file8 36 C:\Users\user\AppData\...\Reimposing.exe, PE32 14->36 dropped 68 Obfuscated command line found 14->68 70 Writes to foreign memory regions 14->70 72 Found suspicious powershell code related to unpacking or dynamic code loading 14->72 74 2 other signatures 14->74 18 Reimposing.exe 17 9 14->18         started        22 conhost.exe 14->22         started        24 cmd.exe 1 14->24         started        signatures9 process10 dnsIp11 44 showpiece.trillennium.biz 67.23.226.139, 49715, 587 DIMENOCUS United States 18->44 46 api.ipify.org 172.67.74.152, 443, 49714 CLOUDFLARENETUS United States 18->46 48 vibrantbhutan.com 148.72.213.232, 443, 49713 AS-26496-GO-DADDY-COM-LLCUS United States 18->48 58 Multi AV Scanner detection for dropped file 18->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->60 62 Tries to steal Mail credentials (via file / registry access) 18->62 64 4 other signatures 18->64 26 cmd.exe 1 18->26         started        signatures12 process13 process14 28 conhost.exe 26->28         started        30 reg.exe 1 1 26->30         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/49ffcfe176de375dbbb2e4d50043d80fa254ca6b4ffc6d18d9501b6d8841a436
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/49ffcfe176de375dbbb2e4d50043d80fa254ca6b4ffc6d18d9501b6d8841a436/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-05-20 21:09:40 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jh747ylw3y3v3o5s4tkqaq6yb6rfjstlj76g2ggzkanw3ccbuq3a._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Link:
https://tria.ge/reports/240521-p8m2cseg7y/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5c541d00-1254-48a2-9bf1-2f20471ba198
Unpacked files
SH256 hash:
8780095aa2f49725388cddf00d79a74e85c9c4863b366f55c39c606a5fb8440c
MD5 hash:
1c8b2b40c642e8b5a5b3ff102796fb37
SHA1 hash:
3245f55afac50f775eb53fd6d14abb7fe523393d
Link:
https://www.unpac.me/results/6ed41cde-2358-4ec9-9173-0ce3c5e55bb2/
SH256 hash:
114c6941a8b489416c84563e94fd266ea5cad2b518db45cd977f1f9761e00cb1
MD5 hash:
09c2e27c626d6f33018b8a34d3d98cb6
SHA1 hash:
8d6bf50218c8f201f06ecf98ca73b74752a2e453
Link:
https://www.unpac.me/results/6ed41cde-2358-4ec9-9173-0ce3c5e55bb2/
SH256 hash:
49ffcfe176de375dbbb2e4d50043d80fa254ca6b4ffc6d18d9501b6d8841a436
MD5 hash:
e4370a31c71c37bde2e16022fa0459c2
SHA1 hash:
10890db50f2aac0931eec94f45e012944efed869
Link:
https://www.unpac.me/results/6ed41cde-2358-4ec9-9173-0ce3c5e55bb2/
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/49ffcfe176de375dbbb2e4d50043d80fa254ca6b4ffc6d18d9501b6d8841a436

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
Rule name:PE_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.

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments