MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0af5e4fbe413f7f7f5d814e5f4c62815cf9df31316e3fa63a8a842245dec524. 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


AgentTesla


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0af5e4fbe413f7f7f5d814e5f4c62815cf9df31316e3fa63a8a842245dec524
SHA3-384 hash: 4cce0398de08cdadb258f947284efc1c96738b7b1c694972b410511b11c63e3f62dcba61031ee94bf9efa7feee48ecb1
SHA1 hash: d9d3498c3809b30db6439887aa34afac429c2acf
MD5 hash: 6c2f08def8d4e07dbf89606d1f2d59ae
humanhash: pluto-butter-mississippi-juliet
File name:Purchase-Order-PO05162024.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:257'752 bytes
First seen:2024-05-16 12:14:59 UTC
Last seen:2024-05-16 13:28:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (274 x GuLoader, 36 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:fp+ggtFtJNinPw4eDUiFlf8NSdUtEqRuXKcQwKsJ:h8Ftqn+BFlMSjuUKcQw9
TLSH T1D44412261BF2C173E8564FB18E76E6673F79AA0120588B9F376097693C517008E0D6EF
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 Anonymous
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:Transportkontorer
Issuer:Transportkontorer
Algorithm:sha256WithRSAEncryption
Valid from:2023-11-07T10:25:26Z
Valid to:2026-11-06T10:25:26Z
Serial number: 336483eabf6d01833d3fe3c7972d8f78c544a3bd
Thumbprint Algorithm:SHA256
Thumbprint: a763b83e69689650275a27c9f4947b009f75b65a2216add2a5d26f5d5b994a2d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
350
Origin country :
US US
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
b0af5e4fbe413f7f7f5d814e5f4c62815cf9df31316e3fa63a8a842245dec524.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 12:16:50 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/7ccfb5c9-ceb6-42ed-8bdf-9c3248da3041

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.NSIS.Agent.31401.14860.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Searching for the window
Delayed reading of the file
Creating a file in the %AppData% subdirectories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/6645f8c93313f70f0afd6486/reports/861128a1-21bd-4d07-a9ef-7696682ebbc8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b0af5e4fbe413f7f7f5d814e5f4c62815cf9df31316e3fa63a8a842245dec524
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:
Unknown
Link:
https://analyze.intezer.com/analyses/226d5852-bb93-4418-b0c8-748fb4b1ff26
Result
Threat name:
GuLoader, AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1442586
Signature
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted 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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442586 Sample: Purchase-Order-PO05162024.exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 17 mail.queenstreetsurgery.co.za 2->17 19 ip-api.com 2->19 21 3 other IPs or domains 2->21 29 Multi AV Scanner detection for domain / URL 2->29 31 Found malware configuration 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 5 other signatures 2->35 7 Purchase-Order-PO05162024.exe 5 36 2->7         started        signatures3 process4 file5 15 C:\Users\user\AppData\Local\...\System.dll, PE32 7->15 dropped 37 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->41 11 Purchase-Order-PO05162024.exe 15 8 7->11         started        signatures6 process7 dnsIp8 23 ip-api.com 208.95.112.1, 60007, 80 TUT-ASUS United States 11->23 25 mail.queenstreetsurgery.co.za 154.0.169.50, 587, 60008 AfrihostZA South Africa 11->25 27 2 other IPs or domains 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file / registry access) 11->45 47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->47 49 3 other signatures 11->49 signatures9
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b0af5e4fbe413f7f7f5d814e5f4c62815cf9df31316e3fa63a8a842245dec524
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0af5e4fbe413f7f7f5d814e5f4c62815cf9df31316e3fa63a8a842245dec524/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 07:54:46 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
14 of 38 (36.84%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcxv4t56ie7x6725qfhf6tdcqfoptxzrgfxd7jr2rkccero6yusa._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240516-pewreace44/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Link:
https://www.unpac.me/results/6a3b22af-7bdd-47f2-b568-22a84ff78411/
SH256 hash:
8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
MD5 hash:
3d366250fcf8b755fce575c75f8c79e4
SHA1 hash:
2ebac7df78154738d41aac8e27d7a0e482845c57
Link:
https://www.unpac.me/results/6a3b22af-7bdd-47f2-b568-22a84ff78411/
SH256 hash:
b0af5e4fbe413f7f7f5d814e5f4c62815cf9df31316e3fa63a8a842245dec524
MD5 hash:
6c2f08def8d4e07dbf89606d1f2d59ae
SHA1 hash:
d9d3498c3809b30db6439887aa34afac429c2acf
Link:
https://www.unpac.me/results/6a3b22af-7bdd-47f2-b568-22a84ff78411/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b0af5e4fbe41/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/b0af5e4fbe413f7f7f5d814e5f4c62815cf9df31316e3fa63a8a842245dec524

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:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
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.

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::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::MoveFileExW
KERNEL32.dll::MoveFileW
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