MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34
SHA3-384 hash: 78315226c14376dbdb2df8344ff3de53455d2a5bc251bc14c7950a9cae2f6058186442a89ea8706b4fcd5ca2911ea2ec
SHA1 hash: 850f75972ba6f9e14ef4f61c94f0b3e319dde02b
MD5 hash: c9ce49c6d081bb51fff025c2119db2f8
humanhash: fourteen-mike-eighteen-tennessee
File name:a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'721'856 bytes
First seen:2025-07-07 14:24:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Htb20pNaCqT5TBWgNQ7a1yUsbL8/qhTn/dpE6ATsqjnhMgeiCl7G0nehbGZpbD:ECg5tQ7a13sX8Wnlm5XDmg27RnWGj
Threatray 2'385 similar samples on MalwareBazaar
TLSH T13A85E12363DE8361C7725273BA66B701AE7F7C250AB0F96B2FD4097DE920121521E673
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
26
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
New order 52825-01BB Bangladesh.7z
Verdict:
Malicious activity
Analysis date:
2025-06-19 08:38:52 UTC
Tags:
arch-exec m0yv ultravnc rmm-tool stealer auto-startup agenttesla netreactor
Link:
https://app.any.run/tasks/e5c78ee5-198f-4520-93e9-b8918bf90087

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/12870/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6853e984d1262bb4773b288d
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Modifying a system executable file
Creating a window
Creating a file in the %temp% directory
Launching a service
Launching a process
Searching for synchronization primitives
Creating a file in the system32 subdirectories
Loading a system driver
Connection attempt to an infection source
Creating a file
Creating a process from a recently created file
Modifying an executable file
Modifying a system file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun for a service
Query of malicious DNS domain
Stealing user critical data
Infecting executable files
Enabling autorun by creating a file
Unauthorized injection to a system process
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Labled as:
Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fa559ece-3d50-48ea-ab98-a3af199c6f0b
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/c9ce49c6d081bb51fff025c2119db2f8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2025-06-19 00:29:35 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
31 of 36 (86.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u576lwrashi4ufllrvtrhyvpidga2zsesai4lg3jts6gkkqh5y2a._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
expiro
Create hunting rule
Similar samples:
0064c892c106bad3b10ffa879aa3522cf344a0dbdd9e09de1e7f8f8ca99b92df
AgentTesla
0ea2f7230b7cb4a06bc6810e647a96d445962148694b45d282d551402d8f52db
AgentTesla
5ae86c1b231a95b8eaa105ca9214589dea3d22efd601cd2018f7a5e6c474ddca
AgentTesla
9a759f2ef8ee16b697f30aab51fc726f9697b338e0aba56c063860146bbfc76b
AgentTesla
a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34
AgentTesla
b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf
AgentTesla
+ 2'375 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/250707-rqxtysej9z/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
AutoIT Executable
Drops file in System32 directory
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
trojan expiro Expiro
YARA:
Windows_Virus_Expiro_84e99ff0
Link:
https://app.threat.zone/submission/ffd5637b-411f-4b38-9bc4-996048fe83d3
Unpacked files
SH256 hash:
a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34
MD5 hash:
c9ce49c6d081bb51fff025c2119db2f8
SHA1 hash:
850f75972ba6f9e14ef4f61c94f0b3e319dde02b
Link:
https://www.unpac.me/results/f794ac1d-e5a9-4968-9b21-b83b8142a496/
SH256 hash:
b849d584d0a94e8549fa0ce4d5e69b08be74a394f116a70ba77dfad523d80b4a
MD5 hash:
d3452b8bb9417d34732fbd3b5af0864b
SHA1 hash:
a736adad8b8afb8a9e7200e27f77e1778acb8400
Detections:
win_samsam_auto
Create hunting rule
SUSP_OBF_NET_Reactor_Native_Stub_Jan24
Create hunting rule
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MetaStealer_NET_Reactor_packer
Create hunting rule
MALWARE_Win_RedLine
Create hunting rule
Link:
https://www.unpac.me/results/f794ac1d-e5a9-4968-9b21-b83b8142a496/
SH256 hash:
2d7a4a2ec465ac820a943d8e1bff2c45ced778138c7542baefbeb11475a0db4d
MD5 hash:
bade2d9c21dc12c24d855060bfd227b8
SHA1 hash:
3de4a6b1024dd8f7f428649c50176adfddbac826
Detections:
AgentTesla
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/f794ac1d-e5a9-4968-9b21-b83b8142a496/
SH256 hash:
699e22c350016b7df9448a4953fb3cfc03f7742378428cb469e3676065e98386
MD5 hash:
961a0328c4f68ffa1446c93b7cd56484
SHA1 hash:
cf5d275319235be7ff00dfa90c7e66b5727d8aa7
Detections:
AgentTesla
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
RedLine_Campaign_June2021
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/f794ac1d-e5a9-4968-9b21-b83b8142a496/
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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MALWARE_Win_RedLine
Create hunting rule
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MAL_Malware_Imphash_Mar23_1
Create hunting rule
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_ebf62328
Create hunting rule
Author:Elastic Security
Rule name:Windows_Virus_Expiro_84e99ff0
Create hunting rule
Author:Elastic Security
Rule name:win_m0yv_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.m0yv.
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Malspam

Expiro

7z 64cf222f88414af0d6e11baafe918c693c73966012f93aef4702bcb37606def2

AgentTesla

Executable exe a77fe5da2091d1ca156b8d6713e2af40cc0d66449011c59b699cbc652a07ee34

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/12870/
  
Dropped by
SHA256 64cf222f88414af0d6e11baafe918c693c73966012f93aef4702bcb37606def2
  
Dropped by
MD5 4432797dbdf48965063644fb114701fd

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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