MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd
SHA3-384 hash: f4616baa1e97b006a6d729bc41ecff11278c7c467eb2c6f9fb0b9f74f4b338e5d20f4fa4a8bf5ff8284417fbe9233b4c
SHA1 hash: 38412c46489ba803a340d702d477dd2c01df20ce
MD5 hash: c7582e3427656fa19fb588ea4385cb50
humanhash: ohio-ceiling-angel-missouri
File name:rswift153826.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:708'608 bytes
First seen:2024-05-21 17:12:44 UTC
Last seen:2024-05-21 18:31:11 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 12288:3EkSx504bFIOp+Ja1R7d7aLD23gMhiUsg8DYhm3b5d8ls9HdbQ0BeG2R48:UkSw4buWj1L7/g4ivgrh8d8lOlF64
TLSH T106E4224537F487A9D9BD87F8AC60445123B9F19F95A2E7CD2F8031C76930B088B60B9B
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 FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd.exe
Verdict:
Malicious activity
Analysis date:
2024-05-21 17:15:25 UTC
Tags:
evasion smtp
Link:
https://app.any.run/tasks/4edffcce-4fbb-431f-bf3e-f650c735d93a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.2274.8060.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=664cd61b8e7dbc7fe29b45d4win7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Static Gensteal Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/664cd622cc3f31c6c206f9c1/reports/8af1138c-872b-43f8-ae24-3a607feba7e0/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd
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/bdcec2d5-566e-4dcd-abfc-6cdd3e24e223
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1445232
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Loading BitLocker PowerShell Module
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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: 1445232 Sample: rswift153826.exe Startdate: 21/05/2024 Architecture: WINDOWS Score: 100 34 mail.bonnyriggdentalsurgery.com.au 2->34 36 ip-api.com 2->36 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 10 other signatures 2->48 8 rswift153826.exe 16 7 2->8         started        13 ZFawWoJAdbivD.exe 3 2->13         started        signatures3 process4 dnsIp5 38 mail.bonnyriggdentalsurgery.com.au 192.254.225.166, 49708, 587 UNIFIEDLAYER-AS-1US United States 8->38 40 ip-api.com 208.95.112.1, 49707, 80 TUT-ASUS United States 8->40 30 C:\Users\user\AppData\...\ZFawWoJAdbivD.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmp5E1F.tmp, XML 8->32 dropped 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->52 54 Tries to steal Mail credentials (via file / registry access) 8->54 60 6 other signatures 8->60 15 powershell.exe 23 8->15         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        56 Multi AV Scanner detection for dropped file 13->56 58 Machine Learning detection for dropped file 13->58 file6 signatures7 process8 signatures9 62 Loading BitLocker PowerShell Module 15->62 22 WmiPrvSE.exe 15->22         started        24 conhost.exe 15->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v6cs7jy6jyuxtmuisifbcrf4n7pk6s2hor7gugfek7ysikvy67gq._file
Verdict:
malicious
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240521-vrdz1sce74/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f9baed91-06ff-472f-9901-a72712a09c90
Unpacked files
SH256 hash:
0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303
MD5 hash:
0441cc0dacc6d821252e66a156b1d9bd
SHA1 hash:
df46cc702950a53a5de7b804d2076ef03f8ac6b4
Link:
https://www.unpac.me/results/dc08102a-af2e-491f-b940-9c510c78d7dd/
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/dc08102a-af2e-491f-b940-9c510c78d7dd/
SH256 hash:
3529dfb6de216d98804dfb1ff8863fb624d8f59ce154a2f73b914b87df45546f
MD5 hash:
be764b29e67e778943ad1f4f054f916b
SHA1 hash:
5e53fc49b000ae2ec2e247778c1427da9bec3f35
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_SUSPICIOUS_EXE_SandboxHookingDLL
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/dc08102a-af2e-491f-b940-9c510c78d7dd/
Parent samples :
c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8
af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd
167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad
SH256 hash:
457c8cab290fba7bc72ab180f9c6f79cce7aadcac4c309088d67293d84f58908
MD5 hash:
9c49d14688a6755d247dd81ce1e6f097
SHA1 hash:
1d2c6227c750f6f3e723ca1e0424e8fc1c3b41d9
Link:
https://www.unpac.me/results/dc08102a-af2e-491f-b940-9c510c78d7dd/
SH256 hash:
af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd
MD5 hash:
c7582e3427656fa19fb588ea4385cb50
SHA1 hash:
38412c46489ba803a340d702d477dd2c01df20ce
Link:
https://www.unpac.me/results/dc08102a-af2e-491f-b940-9c510c78d7dd/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/af852fa71e4e/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/af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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