MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b5dcd1c184f861edfc7c29db1dd1ad495fdbcb3748f03c0880db211c3085dc. 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: 18


Intelligence 18 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8b5dcd1c184f861edfc7c29db1dd1ad495fdbcb3748f03c0880db211c3085dc
SHA3-384 hash: 8a2dd7308d974e5a81f98b92108e04a94b9295c1732160c5e3d6cc3b3d9a04c6303d6e87d446fccf66eaefca83fff308
SHA1 hash: a3e5c9695f7c5545df0710e018cfff085ffaf7cd
MD5 hash: fd449c40bc2b3d98e382da115c279ad2
humanhash: nineteen-zebra-quebec-april
File name:SecuriteInfo.com.Win32.PWSX-gen.3634.24172
Download: download sample
Signature AgentTesla
Create hunting rule
File size:640'000 bytes
First seen:2023-12-04 03:37:00 UTC
Last seen:Never
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:r45+po2TPt2lDBxdSwzy9C1HWDn5c3a0agozg5gHYF90lQ4k6TfpP:q+pJLt2V3dSu1HWC3a0jyGTKk6TfpP
TLSH T15FD42360B3CA5F12C1A9BB7E90B53DA0D77C3588BF11FA0B1CD121CB4962B49A657B07
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)
File icon (PE):PE icon
dhash icon 23ccccfc3c6c2c17 (12 x Formbook, 8 x AgentTesla, 5 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
317
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.3634.24172
Verdict:
Malicious activity
Analysis date:
2023-12-04 03:39:08 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/4c77e8cc-9e16-4f46-b0fe-11978569ff95

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/462215/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.25488.7857.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656d49607485e5b1ecc57c25/reports/4a039371-1abb-45bf-b089-153e2092565e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f8b5dcd1c184f861edfc7c29db1dd1ad495fdbcb3748f03c0880db211c3085dc
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/6ea8fc0a-236c-40e2-bf90-b11f05f6afd8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352863
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352863 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 40 mail.mgsales.net 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 8 djtblqQRst.exe 5 2->8         started        11 SecuriteInfo.com.Win32.PWSX-gen.3634.24172.exe 7 2->11         started        signatures3 process4 file5 52 Multi AV Scanner detection for dropped file 8->52 54 Machine Learning detection for dropped file 8->54 56 Writes to foreign memory regions 8->56 62 2 other signatures 8->62 14 RegSvcs.exe 8->14         started        17 schtasks.exe 8->17         started        36 C:\Users\user\AppData\...\djtblqQRst.exe, PE32 11->36 dropped 38 C:\Users\user\AppData\Local\...\tmp3CD6.tmp, XML 11->38 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 19 RegSvcs.exe 2 11->19         started        22 powershell.exe 23 11->22         started        24 powershell.exe 23 11->24         started        26 schtasks.exe 1 11->26         started        signatures6 process7 dnsIp8 64 Tries to harvest and steal browser information (history, passwords, etc) 14->64 28 conhost.exe 17->28         started        42 mail.mgsales.net 148.66.138.198, 49709, 49711, 587 AS-26496-GO-DADDY-COM-LLCUS Singapore 19->42 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->68 70 Tries to steal Mail credentials (via file / registry access) 19->70 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f8b5dcd1c184f861edfc7c29db1dd1ad495fdbcb3748f03c0880db211c3085dc
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f8b5dcd1c184f861edfc7c29db1dd1ad495fdbcb3748f03c0880db211c3085dc/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 01:45:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7c25zuobqt4gd3p4pqu5whorvvev7w6lg5epapaiqdnschbqqxoa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231204-d6gk1sgh35/
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:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/c8128513-454e-4437-8236-82313906bb0a/
SH256 hash:
5116233055bb131a3638a05e60dd875da339ad9e39d659308f7fd0a24b9d1f07
MD5 hash:
09ccd643c1b409c92114a57976f38abb
SHA1 hash:
b862cb860fde5fd6fd8c9b207e9d514cefa738e8
Link:
https://www.unpac.me/results/c8128513-454e-4437-8236-82313906bb0a/
SH256 hash:
728d1ec1209e9291fd713ed1029578a278cbe231c67f19cba533b10d8a4544a9
MD5 hash:
4c00b4aeb1a483aac96f5b1f0640945c
SHA1 hash:
93acf5faa2446bb873a18dc335d2d2e2a856c770
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/c8128513-454e-4437-8236-82313906bb0a/
Parent samples :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 hash:
7fa6342560b497a18146dd6b9841992b18d9c077135977fe26139821058a4cd3
MD5 hash:
b4bbca1c613fcae703f1ec6fd514c496
SHA1 hash:
4145d88512331f57472fac46cf1742d97a2d1a8c
Link:
https://www.unpac.me/results/c8128513-454e-4437-8236-82313906bb0a/
SH256 hash:
f8b5dcd1c184f861edfc7c29db1dd1ad495fdbcb3748f03c0880db211c3085dc
MD5 hash:
fd449c40bc2b3d98e382da115c279ad2
SHA1 hash:
a3e5c9695f7c5545df0710e018cfff085ffaf7cd
Link:
https://www.unpac.me/results/c8128513-454e-4437-8236-82313906bb0a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f8b5dcd1c184/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/f8b5dcd1c184f861edfc7c29db1dd1ad495fdbcb3748f03c0880db211c3085dc

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/462215/

Comments