MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13bfd259e12305e8bed58c8d7f83a000163e276d71e999a322ee992f88447c78. 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: 10


Intelligence 10 IOCs YARA 42 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13bfd259e12305e8bed58c8d7f83a000163e276d71e999a322ee992f88447c78
SHA3-384 hash: cae6c0da1285589e3e966422bfe5224cd7ddbd99fc65f7f7abc259549ced040ca7107fef8c434a3cde7f7f3945147196
SHA1 hash: 4f086d2bd0e36b9e9f8e9a9636b31580efe177fb
MD5 hash: 4bdf82cd985a7a6cc911e8912d3783d6
humanhash: arizona-early-saturn-potato
File name:aDJt8sVp3dLARdJlt.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:32'346'608 bytes
First seen:2024-05-10 11:07:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f0486e7e054aa57188c99b0f71783b75 (3 x NodeLoader, 2 x LummaStealer, 1 x DiscordTokenStealer)
ssdeep 393216:KQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgq96l+ZArYsFRlml1:K3on1HvSzxAMNqFZArYsc1
Threatray 16 similar samples on MalwareBazaar
TLSH T1D0678D03B2A601D5E4B7D1388AA74103D7B2B8634731DACF325D06161FBBAE09A7F765
TrID 45.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.3% (.EXE) OS/2 Executable (generic) (2029/13)
18.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.0% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter NDA0E
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-05-10T06:27:22Z
Valid to:2025-05-10T06:27:22Z
Serial number: b6ba79f573af7831a620f776ee105e54
Thumbprint Algorithm:SHA256
Thumbprint: bbd645668a4c634f5280e9affceef97e37ddeaa77eb01361b00314532b42efca
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
NDA0E
http://goupbuy.com/aDJt8sVp3dLARdJlt.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
366
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://goupbuy.com/aDJt8sVp3dLARdJlt.exe
Verdict:
No threats detected
Analysis date:
2024-05-10 11:09:25 UTC
Tags:
loader
Link:
https://app.any.run/tasks/0b077383-0148-49ab-870d-07b5a868955c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
90%
Tags:
anti-debug crypto evasive expand fingerprint lolbin overlay
Link:
https://www.filescan.io/uploads/663e00231c9796b80ab996fe/reports/b4b895bc-c01b-4537-82fa-407c7e11b061/overview
Verdict:
Suspicious
Labled as:
Trojan.Win64
Link:
https://www.hybrid-analysis.com/sample/13bfd259e12305e8bed58c8d7f83a000163e276d71e999a322ee992f88447c78
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1439557
Signature
Contains functionality to log keystrokes (.Net Source)
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, 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)
Very long command line found
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1439557 Sample: aDJt8sVp3dLARdJlt.exe Startdate: 10/05/2024 Architecture: WINDOWS Score: 100 30 mail.adlinesgh.com 2->30 32 api.ipify.org 2->32 34 adlinesgh.com 2->34 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Yara detected UAC Bypass using CMSTP 2->50 52 3 other signatures 2->52 9 aDJt8sVp3dLARdJlt.exe 2 2->9         started        signatures3 process4 signatures5 62 Very long command line found 9->62 12 cmd.exe 1 9->12         started        15 conhost.exe 9->15         started        process6 signatures7 64 Very long command line found 12->64 66 Encrypted powershell cmdline option found 12->66 17 powershell.exe 7 12->17         started        process8 signatures9 40 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->40 42 Writes to foreign memory regions 17->42 44 Injects a PE file into a foreign processes 17->44 20 jsc.exe 15 2 17->20         started        24 WerFault.exe 23 16 17->24         started        26 RegSvcs.exe 17->26         started        28 jsc.exe 17->28         started        process10 dnsIp11 36 adlinesgh.com 69.57.172.200, 49712, 587 FORTRESSITXUS United States 20->36 38 api.ipify.org 104.26.13.205, 443, 49710 CLOUDFLARENETUS United States 20->38 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->54 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->56 58 Tries to steal Mail credentials (via file / registry access) 20->58 60 2 other signatures 20->60 signatures12
Score:
11%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/13bfd259e12305e8bed58c8d7f83a000163e276d71e999a322ee992f88447c78
Gathering data
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-05-10 11:09:09 UTC
File Type:
PE+ (Exe)
Extracted files:
12
AV detection:
3 of 24 (12.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=co75ewpbemc6rpwvrsgx7a5aaald4j3nohuztizc52ms7ccepr4a._file
Verdict:
unknown
Similar samples:
13bfd259e12305e8bed58c8d7f83a000163e276d71e999a322ee992f88447c78
AgentTesla
1a789749676959c74811a32f1afedf46dafcc42207fbeaf23ae6fbccd47b2093
AgentTesla
6dab794279dc9e6d92d967740790aa5b3e159a7913cd81b0cf424bdb9f0ac2ef
AgentTesla
7b2bcaa3723a8198c9a6f0878b77c7887554079e77e5c9b8f444570be1d744f6
AgentTesla
8120be0c1f1898fd6e923efbc135e96c60136219790c0b69714e9d9468906a86
AgentTesla
9dd2beb7cc84848cd0555fa33febf4d06d7b81e8f6927d0df074cb26559a21e4
AgentTesla
eff129dc01f2292d4306c80c976e6bda34e08763497758b92d34b6cc1db0b667
AgentTesla
+ 6 additional samples on MalwareBazaar
Result
Malware family:
privateloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:privateloader execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240510-m8j9csah2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/13bfd259e123/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/13bfd259e12305e8bed58c8d7f83a000163e276d71e999a322ee992f88447c78

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:APT_Bitter_ZxxZ_Downloader
Create hunting rule
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
Rule name:attack_India
Create hunting rule
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Mimikatz_Generic
Create hunting rule
Author:Still
Description:attempts to match all variants of Mimikatz
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Pkg
Create hunting rule
Author:nwunderly
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
Rule name:yara_template
Create hunting rule

File information

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

Malspam

AgentTesla

Word file doc 54584e56fc8b2fd7319da05ecc34ca271c47477a3b6aa9935fe1a93896b6324c

AgentTesla

Executable exe 13bfd259e12305e8bed58c8d7f83a000163e276d71e999a322ee992f88447c78

(this sample)

  
Dropped by
SHA256 54584e56fc8b2fd7319da05ecc34ca271c47477a3b6aa9935fe1a93896b6324c
  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2845531/
  
Dropped by
MD5 73ff85a7903a5bc43da5db3de9f85714

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetSecurityInfo
ADVAPI32.dll::SetEntriesInAclA
ADVAPI32.dll::SetSecurityInfo
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateRemoteThread
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::CreateFiber
KERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputAttribute
KERNEL32.dll::FillConsoleOutputCharacterW
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleInputW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileMappingW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertDuplicateCertificateContext
CRYPT32.dll::CertEnumCertificatesInStore
CRYPT32.dll::CertFindCertificateInStore
CRYPT32.dll::CertFreeCertificateContext
CRYPT32.dll::CertGetCertificateContextProperty
CRYPT32.dll::CertOpenStore
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegGetValueW
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegQueryValueExW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::freeaddrinfo
WS2_32.dll::FreeAddrInfoW
WS2_32.dll::getaddrinfo
WS2_32.dll::GetAddrInfoW
WS2_32.dll::GetHostNameW
WS2_32.dll::getnameinfo
WS2_32.dll::GetNameInfoW

Comments