MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1. 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: 3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1
SHA3-384 hash: e8b7f24efcca7d7c95e53302f69d23fdba17e911508f26458f783c1abc4c05594e555845bd8c28e4a00a2e8e19f35745
SHA1 hash: c17c4b394d2461c1741c362e77b423b088543d8a
MD5 hash: 8e2a1905957541cf6f9151ff29920e8e
humanhash: gee-monkey-beer-freddie
File name:202403-571049005.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:724'992 bytes
First seen:2024-01-03 12:26:32 UTC
Last seen:2024-01-08 15:05:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:pydeh8V/AyAyhxYc7l7VpCWolhdlP3gyuTU3/BGOEog8R2YzePons+w0Vkt:pyd7vVMcpV8WolR4yuA3/BGGPh/u0K
TLSH T1D8F4239871A6DB1BEFF153BA02A094851BFAFD6E5435F61B4C9282CD0632701DBD2723
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 40b1796969697100 (3 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1.exe
Verdict:
Malicious activity
Analysis date:
2024-01-03 12:58:22 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/4fbd108c-f46c-4e37-b574-bd7b10efb2ed

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
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
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/65955299439457868c0b7a63/reports/d1eb892a-3b11-4af3-92ba-c10bb5c6546a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1
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/82cbf03c-4cc1-4a44-83ad-6bee16a4bda0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1369258
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
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1369258 Sample: 202403-571049005.exe Startdate: 03/01/2024 Architecture: WINDOWS Score: 100 61 smtp.boyeucarbon.com 2->61 63 us2.smtp.mailhostbox.com 2->63 65 2 other IPs or domains 2->65 89 Snort IDS alert for network traffic 2->89 91 Found malware configuration 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 9 other signatures 2->95 9 202403-571049005.exe 7 2->9         started        13 nsessag.exe 2->13         started        15 nsessag.exe 2->15         started        signatures3 process4 file5 57 C:\Users\user\AppData\Roaming\xAKKXyDJ.exe, PE32 9->57 dropped 59 C:\Users\user\AppData\Local\...\tmpFD30.tmp, XML 9->59 dropped 105 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->105 107 Contains functionality to register a low level keyboard hook 9->107 109 Uses schtasks.exe or at.exe to add and modify task schedules 9->109 111 Adds a directory exclusion to Windows Defender 9->111 17 xAKKXyDJ.exe 5 9->17         started        20 202403-571049005.exe 16 5 9->20         started        24 powershell.exe 19 9->24         started        26 schtasks.exe 1 9->26         started        113 Multi AV Scanner detection for dropped file 13->113 115 Machine Learning detection for dropped file 13->115 117 Injects a PE file into a foreign processes 13->117 28 nsessag.exe 13->28         started        30 schtasks.exe 13->30         started        32 nsessag.exe 15->32         started        34 schtasks.exe 15->34         started        signatures6 process7 dnsIp8 71 Multi AV Scanner detection for dropped file 17->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->73 75 Machine Learning detection for dropped file 17->75 77 Injects a PE file into a foreign processes 17->77 36 xAKKXyDJ.exe 17->36         started        39 schtasks.exe 17->39         started        67 api4.ipify.org 173.231.16.77, 443, 49706, 49710 WEBNXUS United States 20->67 69 us2.smtp.mailhostbox.com 208.91.198.143, 49708, 49712, 49713 PUBLIC-DOMAIN-REGISTRYUS United States 20->69 53 C:\Users\user\AppData\Roaming\...\nsessag.exe, PE32 20->53 dropped 55 C:\Users\user\...\nsessag.exe:Zone.Identifier, ASCII 20->55 dropped 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->79 81 Tries to steal Mail credentials (via file / registry access) 20->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->83 41 WmiPrvSE.exe 24->41         started        43 conhost.exe 24->43         started        45 conhost.exe 26->45         started        47 conhost.exe 30->47         started        85 Tries to harvest and steal browser information (history, passwords, etc) 32->85 87 Installs a global keyboard hook 32->87 49 conhost.exe 34->49         started        file9 signatures10 process11 signatures12 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->97 99 Tries to steal Mail credentials (via file / registry access) 36->99 101 Hides that the sample has been downloaded from the Internet (zone.identifier) 36->101 103 Installs a global keyboard hook 36->103 51 conhost.exe 39->51         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-01-03 12:27:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hlb5h7jsisqvedabc3d2w5rpx7byuxf6w75ddrcxecdcha2mupyq._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 persistence spyware stealer trojan
Link:
https://tria.ge/reports/240103-pmq6wsfed3/
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
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:
ca382f4c325173bcbe151a1b1318e2033b991e28767859b684efd7ff9704ed12
MD5 hash:
ff6cc64bdaf15af49bb8a6e9cbd8e535
SHA1 hash:
f510da70a3a14023ba348ca68739ca334e636cd9
Link:
https://www.unpac.me/results/232dc773-98f8-44b5-9413-748711ca20a7/
SH256 hash:
4c6468915e99e8ab4a2f9c03736f1dd19a220d8e27ea0f8e4b9eb5837f0b58e1
MD5 hash:
e866850e734df6081631df666cb0ce45
SHA1 hash:
ba3f6e6db3560e67e2a869f7547e525fe8b29c0e
Link:
https://www.unpac.me/results/232dc773-98f8-44b5-9413-748711ca20a7/
SH256 hash:
e1324def8d8e6873adfc05afdbb71b18c9b924f27e1da4193dc00f8e21617611
MD5 hash:
e8f8bc7836368cd51898153c25c5fc63
SHA1 hash:
a17f8532985b02d2fd17c9319292b718e6ae291f
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/232dc773-98f8-44b5-9413-748711ca20a7/
Parent samples :
3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1
01e22fcb8271f6f7e44a739ceb0b26542dce0d1da56545f73bc64c56173fd6d5
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
Link:
https://www.unpac.me/results/232dc773-98f8-44b5-9413-748711ca20a7/
SH256 hash:
8c53e1be71ffaf7235874c293b45ffe55153f4caad709d1d38e1227b43f66b10
MD5 hash:
cf03f0a7f395fda8e93c3d85d3e78566
SHA1 hash:
42299591d8e38086bfa72406ec8fb5c8da50b936
Link:
https://www.unpac.me/results/232dc773-98f8-44b5-9413-748711ca20a7/
SH256 hash:
3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1
MD5 hash:
8e2a1905957541cf6f9151ff29920e8e
SHA1 hash:
c17c4b394d2461c1741c362e77b423b088543d8a
Link:
https://www.unpac.me/results/232dc773-98f8-44b5-9413-748711ca20a7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3ac3d3fd3244/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/3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1

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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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 3ac3d3fd3244a1520c0116c7ab762fbfc38a5cbeb7fa31c457208623834ca3f1

(this sample)

  
Delivery method
Distributed via e-mail attachment

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