MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956. 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: 17


Intelligence 17 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956
SHA3-384 hash: 0aa5e077dc7429e2354039baed9c8bca5d0f9dff7cf4afb51f150f03c7b460e5d89762b72c0efe84ca3703f888c62591
SHA1 hash: de17332d6c29afd205611f1abfecee207a91bc7d
MD5 hash: 3a1b81c6763af1d0d35082ee119c731a
humanhash: friend-failed-four-zebra
File name:SecuriteInfo.com.Win64.PWSX-gen.16698.32595
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'589'696 bytes
First seen:2024-05-22 13:29:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 831064be1fe6420831761e783d40c435 (5 x AgentTesla, 1 x Formbook)
ssdeep 24576:7qCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJhewLg31+mYGnKBF1JETXHOa/8+UW:7P6hSrcCPT0JwLg31+mYGnKDkTXph
Threatray 25 similar samples on MalwareBazaar
TLSH T11DC5B005D3F402A4D47BD630CA699733D3B1B85A1734E68B0A49E7562F739A28B3F312
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
347
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956.exe
Verdict:
Malicious activity
Analysis date:
2024-05-22 13:30:09 UTC
Tags:
evasion agenttesla stealer smtp
Link:
https://app.any.run/tasks/40236b22-798a-4ac3-9a9e-65803ce359ea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.16698.32595.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=664df34a2bd2b41abe0df4aawin7simulatehigh_evasion
Tags:
g e n s t e a l
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Connection attempt to an infection source
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint hacktool lolbin packed regedit remote shell32
Link:
https://www.filescan.io/uploads/664df361c19b369e29fc3fa6/reports/7efd45fe-af6f-4e0d-b8e1-9da05f61fc6f/overview
Verdict:
Malicious
Labled as:
Win64/Kryptik.EKE trojan
Link:
https://www.hybrid-analysis.com/sample/8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4456e9ce-13ab-4af3-9d64-1cbb64a3cd62
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1445763
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1445763 Sample: SecuriteInfo.com.Win64.PWSX... Startdate: 22/05/2024 Architecture: WINDOWS Score: 100 33 mail.privateemail.com 2->33 35 api.ipify.org 2->35 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 7 SecuriteInfo.com.Win64.PWSX-gen.16698.32595.exe 1 2->7         started        10 svchost.exe 2 2->10         started        12 svchost.exe 1 2->12         started        14 svchost.exe 2->14         started        signatures3 process4 signatures5 53 Writes to foreign memory regions 7->53 55 Allocates memory in foreign processes 7->55 57 Injects a PE file into a foreign processes 7->57 16 CasPol.exe 16 6 7->16         started        21 conhost.exe 7->21         started        23 conhost.exe 10->23         started        25 conhost.exe 12->25         started        process6 dnsIp7 29 mail.privateemail.com 198.54.122.135, 49713, 587 NAMECHEAP-NETUS United States 16->29 31 api.ipify.org 172.67.74.152, 443, 49705, 49706 CLOUDFLARENETUS United States 16->31 27 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 16->27 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->39 41 Tries to steal Mail credentials (via file / registry access) 16->41 43 4 other signatures 16->43 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956/
Threat name:
Win64.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-22 09:38:05 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rvegqeeqqegpbfrdbleoneamjtnsfwmheyrluvpz24gbyhfdffla._file
Verdict:
malicious
Similar samples:
1615d4396467f0c5db3061b4b438a518da24667e8117fb65d917ae6048bbfa31
AgentTesla
5302c416b0abd845fe3145f910e82440588c11219940fe89fd68722260a9b508
AgentTesla
716741d85859c7c4747395deb709dc0b4b2741a0d15850aa3a706cc05d61bf6d
AgentTesla
a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0
AgentTesla
+ 15 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240522-qrtcgsdb8y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3291c70e-7e40-40f8-a83a-aa2622e7ff08
Unpacked files
SH256 hash:
8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956
MD5 hash:
3a1b81c6763af1d0d35082ee119c731a
SHA1 hash:
de17332d6c29afd205611f1abfecee207a91bc7d
Link:
https://www.unpac.me/results/bba94388-cd61-429c-8e34-41d0cc71b10b/
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/8d48681090810cf096230ac8e6900c4cdb22d9872622ba55f9d70c1c1ca32956

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: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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::RevertToSelf
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::ImpersonateLoggedOnUser
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::VirtualAllocExNuma
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::ReplaceFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
ADVAPI32.dll::RegSetValueExA

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