MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86caff3276f512d98f8551121b2a9c0fa2a4c40291569af16fc08cc14ff3dae2. 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 17 File information Comments

SHA256 hash: 86caff3276f512d98f8551121b2a9c0fa2a4c40291569af16fc08cc14ff3dae2
SHA3-384 hash: 249a8ca9a8a9ad82bdfcc1e3e711148f9ea96b10c31c0dae5810c991b60f6cb84b142ac69f33e246f867fd3d16ff27c2
SHA1 hash: c48b01c0682fd99ae665a8cc6c801edca0d09e0a
MD5 hash: 815fcbec7e3f10ff6bc9cd6b207fdf28
humanhash: sixteen-venus-juliet-iowa
File name:Fiyat Teklifi Hk..exe
Download: download sample
Signature AgentTesla
File size:726'528 bytes
First seen:2024-03-07 17:56:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:yBtpI/jeZ7GdyrNereBvFs0N9zw7fdDslIlOpoJKCMTLeJNBD:CI/jeZ7NereB+CZwj9eOOpUK1vENB
TLSH T129F4010572F96B26E6BE97F5507055000BB6B96BBAE5E70C4EC570DA3D31F008AA1F23
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)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
347
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
86caff3276f512d98f8551121b2a9c0fa2a4c40291569af16fc08cc14ff3dae2.exe
Verdict:
Malicious activity
Analysis date:
2024-03-07 18:29:31 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed redcap
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
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
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
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1404981 Sample: Fiyat Teklifi Hk..exe Startdate: 07/03/2024 Architecture: WINDOWS Score: 100 32 nogamobilya.com 2->32 34 mail.nogamobilya.com 2->34 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 12 other signatures 2->52 8 Fiyat Teklifi Hk..exe 4 2->8         started        11 ctsdvwT.exe 3 2->11         started        13 ctsdvwT.exe 2 2->13         started        signatures3 process4 signatures5 54 Adds a directory exclusion to Windows Defender 8->54 56 Injects a PE file into a foreign processes 8->56 15 Fiyat Teklifi Hk..exe 1 5 8->15         started        20 powershell.exe 22 8->20         started        58 Multi AV Scanner detection for dropped file 11->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->60 62 Machine Learning detection for dropped file 11->62 64 Contains functionality to register a low level keyboard hook 11->64 22 ctsdvwT.exe 2 11->22         started        24 ctsdvwT.exe 13->24         started        process6 dnsIp7 36 nogamobilya.com 185.85.236.83, 49713, 587 HEXANETFR Turkey 15->36 28 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 15->28 dropped 30 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 15->30 dropped 38 Tries to steal Mail credentials (via file / registry access) 15->38 40 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->40 42 Installs a global keyboard hook 15->42 26 conhost.exe 20->26         started        44 Tries to harvest and steal browser information (history, passwords, etc) 24->44 file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-03-07 17:57:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
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
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
76a2235b48b2f2fd383a66d1d867d66025084e60cac966f8990954b5ff375c04
MD5 hash:
3a298fe578339cb5dac4108f013535cd
SHA1 hash:
c582d9dbcc851363a45d6b2e7cc5358673f7ba1d
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
SH256 hash:
f8f036614e94fd47e3b0ff7d135d9505962013ba33f717b620e19bd78166c07a
MD5 hash:
75398726191c50eb63119b205469bbbb
SHA1 hash:
bc423fca6f50f9dfa2c678334c9a68e380f19aee
SH256 hash:
4ad7f7faead2622899ef13cdc0a0d43fc8af2c6f3a0049b4517326802425b06a
MD5 hash:
df259eb6a1451890995484982a8bea61
SHA1 hash:
63bc375041ccc74842d23b3fe4e463e83d91e7d0
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:
86caff3276f512d98f8551121b2a9c0fa2a4c40291569af16fc08cc14ff3dae2
MD5 hash:
815fcbec7e3f10ff6bc9cd6b207fdf28
SHA1 hash:
c48b01c0682fd99ae665a8cc6c801edca0d09e0a
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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_imphash
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 86caff3276f512d98f8551121b2a9c0fa2a4c40291569af16fc08cc14ff3dae2

(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