MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603
SHA3-384 hash: 733c4a48a8d5b95d18066de7c634d9aa0107418268826b3570820ca91e82a8cedefd18ca8e85636f7455044e26ac2d27
SHA1 hash: d4ecf5a19c14c1db2409db71162c3425800f5051
MD5 hash: ab23fade0c5da65f65816a90ab1db589
humanhash: nuts-finch-undress-ink
File name:UPDATED SOA PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:658'944 bytes
First seen:2024-04-22 05:59:47 UTC
Last seen:2024-04-22 06:19:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:4U7+r+eVFUWLSc3Qb7EXoh51h4QAqr/XfdINtDj2jxj27Tu27MSw+jf:xXS6kR3Qb7EXex4QjA2d2fF4Svj
Threatray 1'075 similar samples on MalwareBazaar
TLSH T164E4234014DB5B0DC89D467B697B3D9CE3F1B0069AA2EB2F4DC4B8C64510BBE4E96BC1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
386
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6625fce4d2fc149e41181479/reports/2f452e91-cdd7-4343-b335-7c6199b62b40/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603
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/d6ed98c0-d85a-4b5b-b6e1-327915e1934b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1429452
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1429452 Sample: UPDATED SOA PDF.exe Startdate: 22/04/2024 Architecture: WINDOWS Score: 100 61 mail.flekssitoffice.com 2->61 63 api.ipify.org 2->63 69 Snort IDS alert for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 12 other signatures 2->75 8 UPDATED SOA PDF.exe 7 2->8         started        12 CqNlNKVzegb.exe 2->12         started        14 BjTxJte.exe 2->14         started        16 BjTxJte.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\CqNlNKVzegb.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmpC8B5.tmp, XML 8->59 dropped 91 Adds a directory exclusion to Windows Defender 8->91 93 Injects a PE file into a foreign processes 8->93 18 UPDATED SOA PDF.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        37 2 other processes 8->37 95 Multi AV Scanner detection for dropped file 12->95 97 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->97 99 Machine Learning detection for dropped file 12->99 25 CqNlNKVzegb.exe 12->25         started        27 schtasks.exe 12->27         started        29 BjTxJte.exe 14->29         started        31 schtasks.exe 14->31         started        33 BjTxJte.exe 16->33         started        35 schtasks.exe 16->35         started        signatures6 process7 dnsIp8 65 mail.flekssitoffice.com 79.98.133.147, 49736, 49738, 49746 RADORETR Turkey 18->65 67 api.ipify.org 104.26.13.205, 443, 49734, 49737 CLOUDFLARENETUS United States 18->67 53 C:\Users\user\AppData\Roaming\...\BjTxJte.exe, PE32 18->53 dropped 55 C:\Users\user\...\BjTxJte.exe:Zone.Identifier, ASCII 18->55 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->77 79 Tries to steal Mail credentials (via file / registry access) 18->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->81 83 Loading BitLocker PowerShell Module 23->83 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 27->43         started        45 conhost.exe 31->45         started        85 Tries to harvest and steal ftp login credentials 33->85 87 Tries to harvest and steal browser information (history, passwords, etc) 33->87 89 Installs a global keyboard hook 33->89 47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-22 02:53:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=avaswjgw7v4lrrb6rzpukdymfc7elhqeortcfnzl2yc6oe3maybq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603
AgentTesla
83d7c49b200e4da1a0ea724a384ea1736734a37d98e3ce66afa5fc6ff9d1c846
AgentTesla
921ace6c0f27813fa370b65bcaee79824a4e31920dbdfec7652103c60e84cd23
AgentTesla
+ 1'065 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/240422-gqbavagf7y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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
Unpacked files
SH256 hash:
69e5db6edd86e55625fc2b934c01a3281500f7ab224009913edb083a2c4e71f8
MD5 hash:
3739304618a5009cde5592ebc37bd67b
SHA1 hash:
b7355c9782fd0b6a1cb3ee8b8f3351dded18ed2e
Link:
https://www.unpac.me/results/0260698b-8411-4725-bbad-f694740d8c9a/
SH256 hash:
70eb655ed9064a91a127802671c341633f876c41fe719ee11596f0313c731f55
MD5 hash:
08e696768ce3a693bfcf3ea341758e06
SHA1 hash:
6188e6273b41b8a38c4a38219f3af19344c0e469
Link:
https://www.unpac.me/results/0260698b-8411-4725-bbad-f694740d8c9a/
SH256 hash:
058c74626bf01af4117fd2f10dec673327c4ce8ec310836c3b23c82a342c6efa
MD5 hash:
5c127306d85621b5cd655fe932bde2ab
SHA1 hash:
5f63d6c473c5d8499a5826e02a0780bacca32ebe
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/0260698b-8411-4725-bbad-f694740d8c9a/
SH256 hash:
9d29ddb766975d283e42d47ee67fd1f3b88ddecf6defe6f408651984a1eb7313
MD5 hash:
fab0e6b2412a13709095243bcf12af07
SHA1 hash:
23ad8b746833f68dcad791f23f3c7f236af907bb
Link:
https://www.unpac.me/results/0260698b-8411-4725-bbad-f694740d8c9a/
SH256 hash:
05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603
MD5 hash:
ab23fade0c5da65f65816a90ab1db589
SHA1 hash:
d4ecf5a19c14c1db2409db71162c3425800f5051
Link:
https://www.unpac.me/results/0260698b-8411-4725-bbad-f694740d8c9a/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/05412b24d6fd/report/overview.html
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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Malspam

AgentTesla

rar e7f06f3b0f3602adbbc9c936caf8076b58f40e92311662a533dd30d841b9ce3d

AgentTesla

Executable exe 05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e7f06f3b0f3602adbbc9c936caf8076b58f40e92311662a533dd30d841b9ce3d
  
Dropped by
MD5 7236e1b7d90632358a8c2aa7473cf249

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

Comments