MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639
SHA3-384 hash: 191cb0734e78e8f32e19f950fcb0d22b3930a83725bdf76daf53d31ccf79f62b0dca98181567ecebe7a513dfc173586a
SHA1 hash: 325e0b574a81dd05673b1087e8ee93110d5a505d
MD5 hash: 41c91c8f3a9d75efccd89372ecff39db
humanhash: vermont-lion-cold-april
File name:rPO(1437).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:632'832 bytes
First seen:2023-12-12 14:42:13 UTC
Last seen:2023-12-12 16:38:11 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 12288:2Z3IU8S6eUdT3AhlizaWgPxyb5VywPmSASteQgsjyGDrID12EsYRsnnIKG:2RItSAdTZrVywIuryx1h
TLSH T125D4127032ACB716D932CBF554546C501B765ABE2853E30EADE1B4CF0678B018AE1E7B
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 FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
246
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
rPO(1437).exe
Verdict:
Malicious activity
Analysis date:
2023-12-12 15:32:54 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/faa084e8-f83c-4c98-a7bb-5efe9260dd8a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/466519/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.2589.27156.20056.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6578717a56d08f7811af7975/reports/ff82a636-6319-43ab-af02-8daa10bf6487/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/50367724-4f7a-45ad-9c2c-041ed7aeda3d
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1361105
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1361105 Sample: rPO(1437).exe Startdate: 13/12/2023 Architecture: WINDOWS Score: 100 36 mail.abi0expertise.com 2->36 38 abi0expertise.com 2->38 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 10 other signatures 2->48 8 LTDKGtbYzHjDN.exe 5 2->8         started        11 rPO(1437).exe 7 2->11         started        signatures3 process4 file5 50 Antivirus detection for dropped file 8->50 52 Multi AV Scanner detection for dropped file 8->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Machine Learning detection for dropped file 8->56 14 LTDKGtbYzHjDN.exe 2 8->14         started        17 schtasks.exe 1 8->17         started        32 C:\Users\user\AppData\...\LTDKGtbYzHjDN.exe, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\...\tmpA9D5.tmp, XML 11->34 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 11->58 60 Adds a directory exclusion to Windows Defender 11->60 62 Injects a PE file into a foreign processes 11->62 19 rPO(1437).exe 2 11->19         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->64 66 Tries to steal Mail credentials (via file / registry access) 14->66 68 Tries to harvest and steal browser information (history, passwords, etc) 14->68 26 conhost.exe 17->26         started        40 abi0expertise.com 45.95.168.74, 49732, 49735, 587 GIGANET-HUGigaNetInternetServiceProviderCoHU Croatia (LOCAL Name: Hrvatska) 19->40 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-12 03:56:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtsts3eh6oq4kkpj6sbo6jjyh2hjounttmwaiyog6zcsmve7uy4q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger rat spyware stealer trojan
Link:
https://tria.ge/reports/231212-r3lx8aefeq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/37e088da-b523-4583-848d-77b337299541/
SH256 hash:
b03f413c147247793c099866a3845add7aaa7485ccd271229f057d1c0d4fe737
MD5 hash:
da1400f38855061941eb73653f2e00e2
SHA1 hash:
4503ea4ab684b1936998c287e8b91e28434510f9
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/37e088da-b523-4583-848d-77b337299541/
Parent samples :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 hash:
975da4bff69231dd6710098be84346767a58e0ee0d3c9c58ed45616fedba0594
MD5 hash:
41bc8b7bfa5bddc798b97a96a7994857
SHA1 hash:
371b6d4483f55446d9d64fd7db79837ddb263381
Link:
https://www.unpac.me/results/37e088da-b523-4583-848d-77b337299541/
SH256 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
Link:
https://www.unpac.me/results/37e088da-b523-4583-848d-77b337299541/
SH256 hash:
4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639
MD5 hash:
41c91c8f3a9d75efccd89372ecff39db
SHA1 hash:
325e0b574a81dd05673b1087e8ee93110d5a505d
Link:
https://www.unpac.me/results/37e088da-b523-4583-848d-77b337299541/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4ce5396c87f3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/466519/

Comments