MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04. 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: dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04
SHA3-384 hash: c2a11b41f11afe58320d6c27665f0968367ea2ea8915eb772608c04bbb3721b817e77cec4d9c44de5c14537246fec7b2
SHA1 hash: 07e6859611698f37aa9c4011f76907aafe524218
MD5 hash: 2b12a266317f002c205011fa1958072c
humanhash: pasta-november-alpha-monkey
File name:SOA APR 24.exe
Download: download sample
Signature AgentTesla
File size:686'600 bytes
First seen:2024-05-22 03:05:22 UTC
Last seen:2024-05-27 07:03:33 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:J0FJzi8LkpEaAxx1Qy0+9+WTehgXkWP3DdFsOFHplgCIQlHzWH4jdmeO1W+TLTuU:KT2jE3LS7+99fXxP3DdFnFJ2CIQBgcdO
Threatray 4'053 similar samples on MalwareBazaar
TLSH T111E4231672DC05B3EA7DDCFD52B4113987B1712F2809FF8A6C6721CA8CC2B94076669B
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 koluke
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
7
# of downloads :
354
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04.exe
Verdict:
Malicious activity
Analysis date:
2024-05-22 03:07:31 UTC
Tags:
evasion smtp exfiltration stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Banker Encryption Execution Network Static Stealth Msil Dexter
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
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)
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: 1445503 Sample: SOA APR 24.exe Startdate: 22/05/2024 Architecture: WINDOWS Score: 100 65 mail.activefreightpak.com 2->65 67 api.ipify.org 2->67 85 Found malware configuration 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 Sigma detected: Scheduled temp file as task from temp location 2->89 91 12 other signatures 2->91 9 eeOuEr.exe 5 2->9         started        12 SOA APR 24.exe 7 2->12         started        15 bnFClsT.exe 2->15         started        signatures3 process4 file5 101 Multi AV Scanner detection for dropped file 9->101 103 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->103 105 Machine Learning detection for dropped file 9->105 17 bnFClsT.exe 9->17         started        20 eeOuEr.exe 9->20         started        22 schtasks.exe 9->22         started        61 C:\Users\user\AppData\Roaming\eeOuEr.exe, PE32 12->61 dropped 63 C:\Users\user\AppData\Local\...\tmpB6E9.tmp, XML 12->63 dropped 107 Adds a directory exclusion to Windows Defender 12->107 109 Injects a PE file into a foreign processes 12->109 24 SOA APR 24.exe 16 5 12->24         started        28 powershell.exe 23 12->28         started        30 powershell.exe 23 12->30         started        34 3 other processes 12->34 32 bnFClsT.exe 15->32         started        36 2 other processes 15->36 signatures6 process7 dnsIp8 73 Injects a PE file into a foreign processes 17->73 38 bnFClsT.exe 17->38         started        41 schtasks.exe 17->41         started        75 Installs a global keyboard hook 20->75 43 conhost.exe 22->43         started        69 mail.activefreightpak.com 64.27.62.188, 49737, 49740, 49744 WEHOSTWEBSITES-COMUS United States 24->69 71 api.ipify.org 172.67.74.152, 443, 49735, 49739 CLOUDFLARENETUS United States 24->71 57 C:\Users\user\AppData\Roaming\...\bnFClsT.exe, PE32 24->57 dropped 59 C:\Users\user\...\bnFClsT.exe:Zone.Identifier, ASCII 24->59 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->77 79 Tries to steal Mail credentials (via file / registry access) 24->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->81 83 Loading BitLocker PowerShell Module 28->83 45 conhost.exe 28->45         started        47 WmiPrvSE.exe 28->47         started        49 conhost.exe 30->49         started        51 conhost.exe 34->51         started        53 conhost.exe 36->53         started        file9 signatures10 process11 signatures12 93 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 38->93 95 Tries to steal Mail credentials (via file / registry access) 38->95 97 Tries to harvest and steal ftp login credentials 38->97 99 2 other signatures 38->99 55 conhost.exe 41->55         started        process13
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-05-22 02:39:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303
MD5 hash:
0441cc0dacc6d821252e66a156b1d9bd
SHA1 hash:
df46cc702950a53a5de7b804d2076ef03f8ac6b4
SH256 hash:
a0e73957f7076d18e4127545e812555295a8be50a8e52beb93f9e75b9210d2b2
MD5 hash:
9acb91b41e51c4af621677705176ede9
SHA1 hash:
84d3f8033c751be7894482432ec9d379f5e6cba0
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:
01e735207ab5f9b9b630527f3687d82b842e7b5943925f9e8b67dc59612ed538
MD5 hash:
c3d7905a5a2a3a965ee1719f067303b4
SHA1 hash:
290a20b49a233db8da0947a5e07921b70789b131
SH256 hash:
3fb2a38e2947c137a054d8cd53d2d27e6f4171c07ed30517695f1dc9a88b3d88
MD5 hash:
e2029f18ea441231b23fdc9e18cabbfc
SHA1 hash:
0fc21ea54559391dd12ed66465cc7f2c501bdfac
SH256 hash:
dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04
MD5 hash:
2b12a266317f002c205011fa1958072c
SHA1 hash:
07e6859611698f37aa9c4011f76907aafe524218
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.

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