MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 358939ac56821dbff5570e7bd82949734fb635035e1b538c985db292c638db58. 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 14 File information Comments

SHA256 hash: 358939ac56821dbff5570e7bd82949734fb635035e1b538c985db292c638db58
SHA3-384 hash: 4307330564764566b1da03b174f0d8cc54b72b6c7e7b07425a95c32d80f9d6d63e068d691dffc0daf36d38456f0ef8e4
SHA1 hash: b1ba9ebbdfe90f557f1eeff39f6baf6ea90b51bc
MD5 hash: 3485c754261e165c38f14cd61600ba9d
humanhash: hotel-burger-golf-neptune
File name:SecuriteInfo.com.Win32.PWSX-gen.32401.513
Download: download sample
Signature AgentTesla
File size:742'912 bytes
First seen:2024-02-07 05:22:26 UTC
Last seen:2024-02-07 08:41:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:fSkiLdrBxEdkxLvnA7Z2NzeDWRwsTorfFgEHjnD78sQQxNQFuLkEZxWOiYHA:fSkiLdrBadkx7nA7Z2NzeDgwiCnD78sR
TLSH T161F4F104B6859F67D23FA7F64A51E04013F2686EB136EB0ADCC360E71A61B054F61FA7
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
432
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
358939ac56821dbff5570e7bd82949734fb635035e1b538c985db292c638db58.exe
Verdict:
Malicious activity
Analysis date:
2024-02-07 05:24:34 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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
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)
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: 1388018 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 07/02/2024 Architecture: WINDOWS Score: 100 38 mail.classicbd.com 2->38 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 11 other signatures 2->48 8 SecuriteInfo.com.Win32.PWSX-gen.32401.513.exe 7 2->8         started        12 yemSYggWvVup.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\yemSYggWvVup.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp4DE7.tmp, XML 8->36 dropped 50 Uses schtasks.exe or at.exe to add and modify task schedules 8->50 52 Writes to foreign memory regions 8->52 54 Allocates memory in foreign processes 8->54 56 Adds a directory exclusion to Windows Defender 8->56 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 40 mail.classicbd.com 119.148.26.9, 49732, 49735, 49742 AGNI-ASAgniSystemsLimitedBD Bangladesh 14->40 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->64 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->66 68 Tries to steal Mail credentials (via file / registry access) 22->68 70 Tries to harvest and steal browser information (history, passwords, etc) 22->70 72 Installs a global keyboard hook 22->72 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-07 04:01:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
b5f288f3c3a482f52d60b0a93ae8cdd808b28585c0fe6a4c503e2c820d0c78fb
MD5 hash:
86e8eba0690c2da8790427e4f023d608
SHA1 hash:
a45bc7f368d8d68b81266cdc6cd91effbfbbf0b1
SH256 hash:
d2b6f3aff25aad88581f708dfb7cd2b47969cd264593a105ce292645b69bee30
MD5 hash:
ed6f295430bb064532a9a2f44ef44211
SHA1 hash:
9d96cb68827a23c68832543a3ca53a6c3a5c5d00
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:
8b7b83b23fdd4e1489212c361b2fd2dbaa3e9e72b9b7bef88611087dab62b320
MD5 hash:
dd89c9aba8a88008077a19ed03d84c82
SHA1 hash:
4e02785b128714dd4aa9531bfc29c9ccd84e4cf8
SH256 hash:
3dff12ee9183149386bfb90aa8bb671f57201de4e1157b79dd22fea45d837562
MD5 hash:
02e3968ff81ca78205efb912d981ea81
SHA1 hash:
0846251d2774064940f11617e1b15b2eb63834aa
SH256 hash:
358939ac56821dbff5570e7bd82949734fb635035e1b538c985db292c638db58
MD5 hash:
3485c754261e165c38f14cd61600ba9d
SHA1 hash:
b1ba9ebbdfe90f557f1eeff39f6baf6ea90b51bc
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: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_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

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