MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f176b9c927812fa98dc624b2abc3aa614f0ffa69c2bd0a91dc9814e94f88f34b. 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 4 File information Comments

SHA256 hash: f176b9c927812fa98dc624b2abc3aa614f0ffa69c2bd0a91dc9814e94f88f34b
SHA3-384 hash: 0df1ffc9391729b94aec183effc3d6b8e55f9000e8746bdaae3289729ae7bf083e684fc148f4f1ccfc18ff439e3cf233
SHA1 hash: c7764a0c6e2689d49094025fc3b636926cfa2fa1
MD5 hash: 857a66c8f7ed2ab7f55394fee4734bc6
humanhash: sweet-low-earth-single
File name:Dekont_html.exe
Download: download sample
Signature AgentTesla
File size:923'648 bytes
First seen:2024-02-07 09:33:55 UTC
Last seen:2024-02-07 11:35:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:I69LT2/oII+HYKeOdwuJFS6XV3FRe3dt74tvKyVon3yhtkD9c3hB:H9X2/DI+4KndwYTDItt7Y6P9cx
Threatray 5'509 similar samples on MalwareBazaar
TLSH T17915CFF98606591DC83922B8C77353ED17BD1EE6BC42CB0A94E875B8247E3803619F5E
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 :
2
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
f176b9c927812fa98dc624b2abc3aa614f0ffa69c2bd0a91dc9814e94f88f34b.exe
Verdict:
Malicious activity
Analysis date:
2024-02-07 09:37:36 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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)
Sample uses string decryption to hide its real strings
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388205 Sample: Dekont_html.exe Startdate: 07/02/2024 Architecture: WINDOWS Score: 100 42 cp5ua.hyperhost.ua 2->42 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 11 other signatures 2->52 8 Dekont_html.exe 7 2->8         started        12 qFKYWc.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\qFKYWc.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp20B2.tmp, XML 8->40 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Writes to foreign memory regions 8->56 58 Allocates memory in foreign processes 8->58 60 Adds a directory exclusion to Windows Defender 8->60 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 44 cp5ua.hyperhost.ua 91.235.128.141, 49732, 49735, 49736 ITLASUA Ukraine 14->44 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-06 08:51:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
25388b83e6e06925a4a94cf8b6e9a64d3c9e2030fef3b18f6b5a25f5d9cf0eaf
MD5 hash:
2cdc82d3def75d69c883e088b9ce8ec6
SHA1 hash:
b704343ec0da64e5423171d9d5e0dc3548f08f4e
SH256 hash:
336e9e705854bc5e75fc416b2adbe511c8d43543699f993b396b7e72b723f797
MD5 hash:
f2bca1d28aa09daa02ea4bf8b6392204
SHA1 hash:
4f3a72099fe90ccb7b670376cc89b5158d36bcf1
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:
cc67a587a9df9880b0223c643d4939969420c1909bfcb359d0ddc67dc3a9021b
MD5 hash:
a358df5ea49edf0faab72cbcf4a48e35
SHA1 hash:
305cc0949567292b03e06e27a1e8b17f0b3e72b9
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
SH256 hash:
f176b9c927812fa98dc624b2abc3aa614f0ffa69c2bd0a91dc9814e94f88f34b
MD5 hash:
857a66c8f7ed2ab7f55394fee4734bc6
SHA1 hash:
c7764a0c6e2689d49094025fc3b636926cfa2fa1
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe f176b9c927812fa98dc624b2abc3aa614f0ffa69c2bd0a91dc9814e94f88f34b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments