MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 226b1750ed50ee7664095871acdfa440d5230e098cc1f4119462ae020f4d1203. 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 15 File information Comments

SHA256 hash: 226b1750ed50ee7664095871acdfa440d5230e098cc1f4119462ae020f4d1203
SHA3-384 hash: 760ca091e2a65f34e3857fe979e5259bbb25942473e13139c7f191a15cc60010f231cfcadc4b3e97020d0ca62097596e
SHA1 hash: 60ca13497423d9a44270ecdd3d1fdf6f99f9fb3d
MD5 hash: c657aafb023ae307bcadb51637b3fc35
humanhash: comet-stairway-happy-arkansas
File name:SecuriteInfo.com.Trojan.Inject4.59820.10696.6627
Download: download sample
Signature AgentTesla
File size:878'592 bytes
First seen:2023-11-10 22:15:48 UTC
Last seen:2023-11-10 23:15:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:CndvOsZ2LOvLxYa+TWnnTCGebTg0R+62Z:CnR9ZLvLSQTZevg0A
TLSH T1C7158B394CAC1237C1B4DEAB8B948426F5E593733745CD3864E356861E16E22FACD23E
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
328
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Trojan.Inject4.59820.10696.6627
Verdict:
Malicious activity
Analysis date:
2023-11-10 22:17:28 UTC
Tags:
agenttesla stealer

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

Behaviour
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
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
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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 strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1340925 Sample: SecuriteInfo.com.Trojan.Inj... Startdate: 10/11/2023 Architecture: WINDOWS Score: 100 57 webmail.amtechcards.amtechprinting.com 2->57 59 api4.ipify.org 2->59 61 api.ipify.org 2->61 67 Snort IDS alert for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 10 other signatures 2->73 8 SecuriteInfo.com.Trojan.Inject4.59820.10696.6627.exe 7 2->8         started        12 CwjrTsDZPg.exe 5 2->12         started        14 TlKsFB.exe 2->14         started        16 TlKsFB.exe 2->16         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\CwjrTsDZPg.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmp817C.tmp, XML 8->55 dropped 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Uses schtasks.exe or at.exe to add and modify task schedules 8->85 87 Adds a directory exclusion to Windows Defender 8->87 18 SecuriteInfo.com.Trojan.Inject4.59820.10696.6627.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 93 Injects a PE file into a foreign processes 12->93 27 CwjrTsDZPg.exe 12->27         started        29 schtasks.exe 12->29         started        31 TlKsFB.exe 14->31         started        33 schtasks.exe 14->33         started        35 TlKsFB.exe 16->35         started        37 schtasks.exe 16->37         started        signatures6 process7 dnsIp8 63 webmail.amtechcards.amtechprinting.com 64.188.2.244, 49733, 49737, 49740 ASN-QUADRANET-GLOBALUS United States 18->63 65 api4.ipify.org 104.237.62.212, 443, 49732, 49735 WEBNXUS United States 18->65 49 C:\Users\user\AppData\Roaming\...\TlKsFB.exe, PE32 18->49 dropped 51 C:\Users\user\...\TlKsFB.exe:Zone.Identifier, ASCII 18->51 dropped 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->75 77 Tries to steal Mail credentials (via file / registry access) 18->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        45 conhost.exe 33->45         started        81 Tries to harvest and steal browser information (history, passwords, etc) 35->81 47 conhost.exe 37->47         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-11-10 18:23:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b840601c5065258ce326f6a16477804810ecbc6957c9d161f2a488610e9aed45
MD5 hash:
f4ef3920072e978dc36002b26be3eba2
SHA1 hash:
e8489bc53dc2d0604b51556c8e0f691e6db4589b
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
d05ce372c8fcb870e06f075f6aa269b24bedba3911f896094de6873fbbb5f05a
MD5 hash:
e44bb7c0ec0139caac731a988de9eb7e
SHA1 hash:
bbaf93cca4be37aaa2c6d8c4a06d93090a7e8dd5
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
SH256 hash:
226b1750ed50ee7664095871acdfa440d5230e098cc1f4119462ae020f4d1203
MD5 hash:
c657aafb023ae307bcadb51637b3fc35
SHA1 hash:
60ca13497423d9a44270ecdd3d1fdf6f99f9fb3d
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

File information


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

Comments