MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5913da48fc0d4ebca6645a34254cb3a8a594841cd0b31b4e728b329b3a165498. 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: 20


Intelligence 20 IOCs YARA 21 File information Comments

SHA256 hash: 5913da48fc0d4ebca6645a34254cb3a8a594841cd0b31b4e728b329b3a165498
SHA3-384 hash: 2ba82fb71f3b17ce630570380301485e737a1220d02c77e192e4ac3687350d63cde185aa26969e3e051e60558fc63817
SHA1 hash: 37a0d3a33cea49264a9a48315720bd82e59a3f32
MD5 hash: 91d0aec526e4b4a34bb5eedad145979f
humanhash: tennessee-thirteen-november-pizza
File name:ORDER060424.exe
Download: download sample
Signature AgentTesla
File size:798'216 bytes
First seen:2024-06-04 06:37:07 UTC
Last seen:2024-06-04 06:37:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Sr/cKNr+u9WiU0T2I1VPja54TDa+ZghRONDVfEFvIblKbVmmN28YkR:MbCunV1VPjxK+ZgiRVfEI8VA+
Threatray 1'756 similar samples on MalwareBazaar
TLSH T16405F14233793716D6BD8BF60021A2442B757627A865C77DDCC120CE6D65B8032BFBAB
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter koluke
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
376
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SOA MAY.exe
Verdict:
Malicious activity
Analysis date:
2024-06-04 05:04:26 UTC
Tags:
smtp agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Banker Encryption Execution Generic Network Static Msil Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
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
Sending an HTTP GET request
Setting a keyboard event handler
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1451557 Sample: ORDER060424.exe Startdate: 04/06/2024 Architecture: WINDOWS Score: 100 61 mail.formosabag.co.id 2->61 63 api.ipify.org 2->63 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 11 other signatures 2->75 8 ORDER060424.exe 7 2->8         started        12 VrTNGoTFpBWbf.exe 5 2->12         started        14 YxAesh.exe 2->14         started        16 YxAesh.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\VrTNGoTFpBWbf.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmp7602.tmp, XML 8->59 dropped 91 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->91 93 Uses schtasks.exe or at.exe to add and modify task schedules 8->93 95 Adds a directory exclusion to Windows Defender 8->95 18 ORDER060424.exe 15 5 8->18         started        23 powershell.exe 23 8->23         started        35 2 other processes 8->35 97 Multi AV Scanner detection for dropped file 12->97 99 Machine Learning detection for dropped file 12->99 101 Injects a PE file into a foreign processes 12->101 25 VrTNGoTFpBWbf.exe 12->25         started        27 schtasks.exe 12->27         started        29 YxAesh.exe 14->29         started        31 schtasks.exe 14->31         started        33 YxAesh.exe 16->33         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 65 mail.formosabag.co.id 122.102.44.2, 49716, 49721, 49725 HYPERNET-AS-IDPTHIPERNETINDODATAID Indonesia 18->65 67 api.ipify.org 104.26.13.205, 443, 49714, 49720 CLOUDFLARENETUS United States 18->67 53 C:\Users\user\AppData\Roaming\...\YxAesh.exe, PE32 18->53 dropped 55 C:\Users\user\...\YxAesh.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 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-06-04 01:42:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies system certificate store
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
4ed3b0a80feebddd6441815ea99334d7eab55813713a9aa2953412b767405bb8
MD5 hash:
e472f83fa7fb92da892e8ebda9d92112
SHA1 hash:
af8477c3b9530134042aed375122d395d91879e8
SH256 hash:
0a0346e27249c16176e413d721a92f8ea4d337beabd893a848eca01fe82ef362
MD5 hash:
9c645736984549b9fdd3fd2342353612
SHA1 hash:
a002403a8de4e084aba5489be598bd06a7d002dc
SH256 hash:
9bdc5836cb33957f37940e150a4248495146ae6ad221e64525f3e1d0441bac2d
MD5 hash:
b58a012fadaf5474375f2d0923126299
SHA1 hash:
6fbd9f7da08aaf4ebe76b0d92c45b998f64d0a0a
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
55729815a6ad44739f2af0c7a7096f4153fcc109d440f23d0d609065e96b625e
MD5 hash:
82a8fdab718d8d9c1c82472293a72e3d
SHA1 hash:
042c0d08baf858128d32c01476380e142891456e
SH256 hash:
5913da48fc0d4ebca6645a34254cb3a8a594841cd0b31b4e728b329b3a165498
MD5 hash:
91d0aec526e4b4a34bb5eedad145979f
SHA1 hash:
37a0d3a33cea49264a9a48315720bd82e59a3f32
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Malware family:
AgentTesla
Verdict:
Malicious
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
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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

Executable exe 5913da48fc0d4ebca6645a34254cb3a8a594841cd0b31b4e728b329b3a165498

(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

Comments