MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3. 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: 18


Intelligence 18 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3
SHA3-384 hash: b9440badd9eff230a179420f5493476a8b042b4438347bb76708dcec25ee0659eae6f7eb022c454b263524d2acfa41a2
SHA1 hash: 1dc8eb2621347886185ca30dea2fcfce637e3e4a
MD5 hash: 4a29b9b62ba1a9326cceaaff31c16dd8
humanhash: mike-early-hotel-blue
File name:RCY-ENG-SPA-44-25-SPARES.xlsx.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'177'600 bytes
First seen:2025-03-31 04:04:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:Yu6J33O0c+JY5UZ+XC0kGso6FaBZBr062NaVfGFPWY:Su0c++OCvkGs9FaBXFcSGYY
Threatray 418 similar samples on MalwareBazaar
TLSH T18D45CE2273DDC360CB669173BF69B7016EBF3C610630B95B1F980D7DA960162262D7A3
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
498
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
RCY-ENG-SPA-44-25-SPARES.xlsx.bat
Verdict:
Malicious activity
Analysis date:
2025-03-31 04:07:20 UTC
Tags:
evasion stealer ftp exfiltration agenttesla ultravnc rmm-tool netreactor
Link:
https://app.any.run/tasks/a4481b8b-a8bd-44a4-b01c-70d6d85a58a5

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ea1665cfd0a37f830a9a05
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script cscript evasive fingerprint keylogger lolbin masquerade microsoft_visual_cc packed packed packer_detected wscript
Link:
https://www.filescan.io/uploads/67ea147609c39f5498b6dd9f/reports/82ba0189-8cc7-440e-9e72-3ff9ef590d8a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c1cef0a-811e-4328-86b0-e90f0dd7e720
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1652489
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses process hollowing technique
Switches to a custom stack to bypass stack traces
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1652489 Sample: RCY-ENG-SPA-44-25-SPARES.xl... Startdate: 31/03/2025 Architecture: WINDOWS Score: 100 26 beirutrest.com 2->26 28 api.ipify.org 2->28 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 8 other signatures 2->46 9 RCY-ENG-SPA-44-25-SPARES.xlsx.bat.exe 2 2->9         started        signatures3 process4 signatures5 56 Binary is likely a compiled AutoIt script file 9->56 58 Switches to a custom stack to bypass stack traces 9->58 12 RCY-ENG-SPA-44-25-SPARES.xlsx.bat.exe 1 9->12         started        15 RegSvcs.exe 9->15         started        process6 signatures7 60 Binary is likely a compiled AutoIt script file 12->60 62 Sample uses process hollowing technique 12->62 17 RCY-ENG-SPA-44-25-SPARES.xlsx.bat.exe 1 12->17         started        20 RegSvcs.exe 12->20         started        64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->64 process8 signatures9 34 Binary is likely a compiled AutoIt script file 17->34 36 Writes to foreign memory regions 17->36 38 Maps a DLL or memory area into another process 17->38 22 RegSvcs.exe 15 2 17->22         started        process10 dnsIp11 30 beirutrest.com 50.87.144.157, 21, 49726 UNIFIEDLAYER-AS-1US United States 22->30 32 api.ipify.org 172.67.74.152, 443, 49723 CLOUDFLARENETUS United States 22->32 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->48 50 Tries to steal Mail credentials (via file / registry access) 22->50 52 Tries to harvest and steal ftp login credentials 22->52 54 Tries to harvest and steal browser information (history, passwords, etc) 22->54 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-03-31 03:26:38 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ioqpteuoja37gx5e6edrzrwvgtsq6zflpoii6hrrhnjdzzaqjpbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
unc_loader_036
Create hunting rule
unc_loader_001
Create hunting rule
Similar samples:
267bdd0b21f44ccf8662c2e36e381dfb2aae3c8019a9d6099689fc9f49a90a56
AgentTesla
319dac3bed9b559a33df03be9bfc459c87a297643db76ac0110cd2939a452282
AgentTesla
4254007e9638c4348bdc9d29a105e2134147ee8c85ca22125a21a1f8a5e2522f
AgentTesla
43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3
AgentTesla
58c791f803c2d29dd4c7c4b713c2799545389b83389ecc0f10a3002ec166b76c
AgentTesla
6649c40202aaad33465867a459da9c028c90598356a95efd928893f3af6a4a42
AgentTesla
bcd8f46bfd927f5c5222c0bd2c448cccaa8cde12eb99fde77c752001254c9314
AgentTesla
ed04900c8d54a2fda59c883a930986c5482397419b4641b4a64878bd8bfa1477
AgentTesla
error
AgentTesla
+ 408 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250331-enlbxsvp13/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Verdict:
Malicious
Tags:
trojan external_ip_lookup
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/0697f505-f529-426f-bfd5-12be832cc489
Unpacked files
SH256 hash:
43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3
MD5 hash:
4a29b9b62ba1a9326cceaaff31c16dd8
SHA1 hash:
1dc8eb2621347886185ca30dea2fcfce637e3e4a
Link:
https://www.unpac.me/results/dbb6960e-9823-44a8-b4e6-c594f3e9d226/
SH256 hash:
949aa9bb8fdac38e9ad7de13ec48f6ae6c28829173cd121f9c6995523a9dc7ac
MD5 hash:
3e3ea0a23fcdb4cb8dd74d80561e5fe6
SHA1 hash:
f04b3123ac80540500de873c3bd660f55bc409db
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/dbb6960e-9823-44a8-b4e6-c594f3e9d226/
SH256 hash:
370ebb35f881a5a3f40efc4ed82e4f42e71b51a155fb220f39205827fdbd3f91
MD5 hash:
44825efceccfeacd35f1f7e0152a1596
SHA1 hash:
27bd016dee764dd71ec68181a4ee2cb6d04183c5
Detections:
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
MALWARE_Win_AgentTeslaV2
Create hunting rule
Link:
https://www.unpac.me/results/dbb6960e-9823-44a8-b4e6-c594f3e9d226/
SH256 hash:
8c645d1f92d7ba4c5280b7844b574422f0cd09e995011b04b325d7ffb7b3b71b
MD5 hash:
e6ec5dad77ed97a500a487176c04008d
SHA1 hash:
c6fe61c81e97367d4793ed811cbd2d9387befda3
Detections:
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
MALWARE_Win_AgentTeslaV2
Create hunting rule
Link:
https://www.unpac.me/results/dbb6960e-9823-44a8-b4e6-c594f3e9d226/
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43a0f9928e48/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/43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3

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_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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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:win_samsam_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

AgentTesla

Executable exe 43a0f9928e4837f35fa4f1071cc6d534e50f64ab7b908f1e313b523ce4104bc3

(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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
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::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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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