MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cf75c0502b36a7ae1c660c7201372bb6b740dd8bef7999498f843c91f1d3975. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments

SHA256 hash: 5cf75c0502b36a7ae1c660c7201372bb6b740dd8bef7999498f843c91f1d3975
SHA3-384 hash: d53b9687ba67489c07c8311b0b424d0cddc5363a6299dbb314a19fbb10d10339128157785c750f6e1a29e184cca5cb8c
SHA1 hash: 49b1c068bd88c10d76abc581479bfd7b9a48159d
MD5 hash: 5cec9c21d4b2262f039ffb3e305a169d
humanhash: georgia-lion-missouri-one
File name:libcef.dll
Download: download sample
Signature AgentTesla
File size:3'086'336 bytes
First seen:2025-07-26 07:50:35 UTC
Last seen:2025-07-26 08:02:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ca43d7ac7843b922ca771214b5357029 (1 x AgentTesla)
ssdeep 49152:WfKa5ur92Zx8kz1QiI0mG5HUqii3vfgVWVsIDyv1/Lgl:4Zx8kaMFLAVWVW9
Threatray 3'274 similar samples on MalwareBazaar
TLSH T17DE5BE11D3A801A6D87BD734CAA68333DAB078925735E14F069DD6092F73EA19B3F712
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter cocaman
Tags:AgentTesla dll exe payment

Intelligence


File Origin
# of uploads :
6
# of downloads :
64
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Skyserv - Payment.rar
Verdict:
Suspicious activity
Analysis date:
2025-07-26 07:50:35 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
injection obfusc crypt
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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)
Suricata IDS alerts for network traffic
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744543 Sample: libcef.dll.exe Startdate: 26/07/2025 Architecture: WINDOWS Score: 100 38 ip-api.com 2->38 40 a-9999.a-dc-msedge.net 2->40 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 5 other signatures 2->50 9 loaddll64.exe 1 2->9         started        signatures3 process4 process5 11 rundll32.exe 9->11         started        14 rundll32.exe 9->14         started        16 rundll32.exe 9->16         started        18 12 other processes 9->18 signatures6 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->68 70 Writes to foreign memory regions 11->70 72 Allocates memory in foreign processes 11->72 20 AddInProcess32.exe 15 2 11->20         started        74 Injects a PE file into a foreign processes 14->74 24 AddInProcess32.exe 14->24         started        26 AddInProcess32.exe 2 16->26         started        28 rundll32.exe 18->28         started        30 AddInProcess32.exe 2 18->30         started        32 AddInProcess32.exe 18->32         started        34 11 other processes 18->34 process7 dnsIp8 42 ip-api.com 208.95.112.1, 49718, 49719, 49720 TUT-ASUS United States 20->42 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->54 56 Tries to steal Mail credentials (via file / registry access) 20->56 58 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 20->58 60 Tries to harvest and steal browser information (history, passwords, etc) 24->60 62 Writes to foreign memory regions 28->62 64 Allocates memory in foreign processes 28->64 66 Injects a PE file into a foreign processes 28->66 36 AddInProcess32.exe 2 28->36         started        signatures9 process10
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Verdict:
Malicious
Threat:
VHO:Trojan-PSW.Win32.Stealer
Threat name:
Win64.Spyware.Negasteal
Status:
Malicious
First seen:
2025-07-26 07:50:04 UTC
File Type:
PE+ (Dll)
AV detection:
17 of 35 (48.57%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Agenttesla family
Unpacked files
SH256 hash:
5cf75c0502b36a7ae1c660c7201372bb6b740dd8bef7999498f843c91f1d3975
MD5 hash:
5cec9c21d4b2262f039ffb3e305a169d
SHA1 hash:
49b1c068bd88c10d76abc581479bfd7b9a48159d
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RC6_Constants
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Malspam

AgentTesla

Executable exe 5cf75c0502b36a7ae1c660c7201372bb6b740dd8bef7999498f843c91f1d3975

(this sample)

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThreadpoolTimer
KERNEL32.dll::CreateThreadpoolWait
KERNEL32.dll::CreateThreadpoolWork
KERNEL32.dll::CreateThreadpoolIo
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptCreateHash
bcrypt.dll::BCryptDestroyHash
bcrypt.dll::BCryptFinishHash
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptGetProperty
bcrypt.dll::BCryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW

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