MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3659e5a1357db587457163c44440444cbe7eda8bde562746a05006400e13a96c. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3659e5a1357db587457163c44440444cbe7eda8bde562746a05006400e13a96c
SHA3-384 hash: 7b55bb26e9f6460fd68423ac7c468b206d6451e43a78a125bec4ba8116060c2826ccf650bd3f72846949c4d7556d0155
SHA1 hash: d822c7754c64b4144f17c62844b9026670c59ed4
MD5 hash: 442123cdc8a54205f81b70cc9509b29b
humanhash: fruit-november-leopard-jupiter
File name:rInvoiceNo.1003398510033985.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:767'496 bytes
First seen:2024-03-01 12:20:52 UTC
Last seen:2024-03-01 14:34:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:k3tWiZk1aY+TWxUaAu/4JuV+qG1BwYxm0gx9tZBvfc/sueEchFd7jYhK2dsSlWqk:kUFrdRQ6+qWBwImD9DBnIsueEcT9t2GB
TLSH T102F4122132F86A07D1BA19F05B758221073BB6A76A34D7DC4D8614CB09F6B41AF27B1B
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon f0f0d4ccccd4f0f0 (3 x AgentTesla, 3 x Formbook)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
412
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Invoice No. 10033985 & 10033985.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-02-29 07:09:40 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/33a3a81b-9500-4363-9e43-97dc4a3142d1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Porcupine.MSIL.GenKryptik.GUEL.215893.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/65e1c8322ffc4d27ab7ba256/reports/f2bca1ab-b7d2-4992-b513-868e4e7b69f4/overview
Verdict:
Malicious
Labled as:
Trojan.GenericS
Link:
https://www.hybrid-analysis.com/sample/3659e5a1357db587457163c44440444cbe7eda8bde562746a05006400e13a96c
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/6d40a2c6-04ad-4a2c-8d7a-618d3c9212c6
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1401374
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Antivirus detection for URL or domain
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 domain / URL
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1401374 Sample: rInvoiceNo.1003398510033985... Startdate: 01/03/2024 Architecture: WINDOWS Score: 100 55 palumalimited.com 2->55 57 mail.palumalimited.com 2->57 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for domain / URL 2->63 65 Found malware configuration 2->65 67 15 other signatures 2->67 8 rInvoiceNo.1003398510033985.pdf.exe 7 2->8         started        12 ImTKJWAmr.exe 5 2->12         started        14 yGbzOMp.exe 2->14         started        16 yGbzOMp.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\ImTKJWAmr.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmp1E41.tmp, XML 8->53 dropped 81 Uses schtasks.exe or at.exe to add and modify task schedules 8->81 83 Writes to foreign memory regions 8->83 85 Allocates memory in foreign processes 8->85 87 Adds a directory exclusion to Windows Defender 8->87 18 RegSvcs.exe 1 5 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         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 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 RegSvcs.exe 12->33         started        35 conhost.exe 14->35         started        37 conhost.exe 16->37         started        signatures6 process7 dnsIp8 59 palumalimited.com 174.136.29.110, 49707, 49708, 587 IHNETUS United States 18->59 49 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 18->49 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 39 WmiPrvSE.exe 23->39         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 27->45         started        73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->73 75 Tries to steal Mail credentials (via file / registry access) 29->75 77 Tries to harvest and steal ftp login credentials 29->77 79 Tries to harvest and steal browser information (history, passwords, etc) 29->79 47 conhost.exe 31->47         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3659e5a1357db587457163c44440444cbe7eda8bde562746a05006400e13a96c
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3659e5a1357db587457163c44440444cbe7eda8bde562746a05006400e13a96c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-29 03:32:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gzm6lijvpw2yorlrmpceiqcejs7h5wul3zlcorvakadeadqtvfwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240301-pjbl2aga3x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
f9aeebc07ec8d4c5daefc010074be7eb157a9e94f272723b5cfc41633c721fd5
MD5 hash:
e7526872924d2860a2be0ea507b00e4b
SHA1 hash:
ef5df9ef4537e7ba0dd7490668db229185011fc5
Link:
https://www.unpac.me/results/34debce6-ac0e-4e04-afef-8af4302328b1/
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/34debce6-ac0e-4e04-afef-8af4302328b1/
SH256 hash:
a02e8a878b70f214f0b9cff49a7d1f594114b80dd1935f9f9e4ea19fb978ba54
MD5 hash:
9e330e9c28c1b6bd50c5a5e8871d1ca3
SHA1 hash:
c427dda4ba9758c0092245a8b934cb32b4cbe1be
Detections:
AgentTesla
Create hunting rule
MALWARE_Win_AgentTeslaV3
Create hunting rule
Link:
https://www.unpac.me/results/34debce6-ac0e-4e04-afef-8af4302328b1/
Parent samples :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 hash:
0190398cd1ee7458b2ad4de5bae10989d4f63420c848cc3c80a3c69296dc383f
MD5 hash:
970503effbe2981f2044430e63d4fb4e
SHA1 hash:
5a4c26491580bd7f79c8a4805ef36e9ecf3f1556
Link:
https://www.unpac.me/results/34debce6-ac0e-4e04-afef-8af4302328b1/
SH256 hash:
2a0682f39d0096ea30f4f50dcc7175e2e2952909f75886393464ef40b9bb1b84
MD5 hash:
27d7484c4a2c1332b4eae515406ab5e3
SHA1 hash:
03b269e8417bd8e3b560d74393f4abb4f91275f5
Link:
https://www.unpac.me/results/34debce6-ac0e-4e04-afef-8af4302328b1/
SH256 hash:
3659e5a1357db587457163c44440444cbe7eda8bde562746a05006400e13a96c
MD5 hash:
442123cdc8a54205f81b70cc9509b29b
SHA1 hash:
d822c7754c64b4144f17c62844b9026670c59ed4
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/34debce6-ac0e-4e04-afef-8af4302328b1/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3659e5a1357d/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/3659e5a1357db587457163c44440444cbe7eda8bde562746a05006400e13a96c

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 3659e5a1357db587457163c44440444cbe7eda8bde562746a05006400e13a96c

(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

Comments