MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 740b8d98eca229f6873a327b046f509c7228ae9e7cf2acabfc43aa5c0e0d5d9d. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 740b8d98eca229f6873a327b046f509c7228ae9e7cf2acabfc43aa5c0e0d5d9d
SHA3-384 hash: 225130a6541d561d68a5d6c0c15f1fc42706415b35d3f985db7cbddcf4e0afcabee1f232fef02d89796bfc5088066ec4
SHA1 hash: 8c8454f39c2028be1d52e9c229f22f0655d71018
MD5 hash: 92169aff13bbaec43fcc478a73f8a288
humanhash: xray-georgia-twenty-mike
File name:4800000261.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:991'232 bytes
First seen:2022-11-15 06:28:57 UTC
Last seen:2022-11-21 11:21:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'471 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+cS5lTz2iNFL8zSlADWNIFDaUaBj2Vb+JSw6SpFViSCQZ5H4lIuO932/MebWg:q5Z13eW+WuFDnP4ScjoU5Yb+ebWg
TLSH T12B25F169F613995CF6AC8EBD02E690142BB4C93549BAC77A3E5C0664472277A0CCFCC7
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71f0f0f0b0b8fc71 (8 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
4800000261.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-15 06:31:36 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/2d848b4e-b3f0-4d6e-b5c3-df88f250f264

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/334081/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Inject4.46272.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637331aff75d59fef0b96e7a/reports/d7f1ae31-9139-4424-a132-1cf02e5288fd/overview
Result
Verdict:
UNKNOWN
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/aae2cd7e-19ad-417a-b165-846ba83fa871
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1113523
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 746219 Sample: 4800000261.pdf.exe Startdate: 15/11/2022 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 13 other signatures 2->63 7 4800000261.pdf.exe 6 2->7         started        12 IyIHYmklDZylF.exe 5 2->12         started        14 SsLtblq.exe 4 2->14         started        16 SsLtblq.exe 3 2->16         started        process3 dnsIp4 55 192.168.2.1 unknown unknown 7->55 47 C:\Users\user\AppData\...\IyIHYmklDZylF.exe, PE32 7->47 dropped 49 C:\Users\user\AppData\Local\Temp\tmp58E.tmp, XML 7->49 dropped 51 C:\Users\user\...\4800000261.pdf.exe.log, ASCII 7->51 dropped 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->75 77 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->77 79 Uses schtasks.exe or at.exe to add and modify task schedules 7->79 18 4800000261.pdf.exe 17 6 7->18         started        23 schtasks.exe 1 7->23         started        25 4800000261.pdf.exe 7->25         started        81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 27 IyIHYmklDZylF.exe 12->27         started        29 schtasks.exe 12->29         started        85 Injects a PE file into a foreign processes 14->85 31 SsLtblq.exe 14->31         started        33 schtasks.exe 14->33         started        35 SsLtblq.exe 14->35         started        file5 signatures6 process7 dnsIp8 53 api.telegram.org 149.154.167.220, 443, 49699, 49706 TELEGRAMRU United Kingdom 18->53 43 C:\Users\user\AppData\Roaming\...\SsLtblq.exe, PE32 18->43 dropped 45 C:\Users\user\...\SsLtblq.exe:Zone.Identifier, ASCII 18->45 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->65 67 Tries to steal Mail credentials (via file / registry access) 18->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->69 37 conhost.exe 23->37         started        39 conhost.exe 29->39         started        71 Tries to harvest and steal ftp login credentials 31->71 73 Tries to harvest and steal browser information (history, passwords, etc) 31->73 41 conhost.exe 33->41         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/740b8d98eca229f6873a327b046f509c7228ae9e7cf2acabfc43aa5c0e0d5d9d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-15 01:57:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oqfy3ghmuiu7nbz2gj5qi32qtrzcrlu6ptzkzk74iovfydqnlwoq._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/221115-g8xa2afc32/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3bf64175-2c0c-4fd8-ac23-19464f39cf15
Unpacked files
SH256 hash:
0b5124daf6145f6d9e73d94c805249dea925ca9d9cbbd6b9f93291b3e71b80d7
MD5 hash:
ef71e0f4a50c30efbff054bb36a1ac01
SHA1 hash:
8ee5b2322c3545819ac9377cd8a7d5a95fcd53d9
Link:
https://www.unpac.me/results/280802ae-762a-41cf-9c5b-2c95637d0eac/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/280802ae-762a-41cf-9c5b-2c95637d0eac/
SH256 hash:
24f57f93684e164806f85a5c60484c428e0a7d6d001e1b2e9ab97aedecae2a4a
MD5 hash:
b8068213f8d9fba7e87c9022db9d3648
SHA1 hash:
099f8645eae72df6f5cd55cc03c41f20c0f103b2
Link:
https://www.unpac.me/results/280802ae-762a-41cf-9c5b-2c95637d0eac/
Parent samples :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 hash:
740b8d98eca229f6873a327b046f509c7228ae9e7cf2acabfc43aa5c0e0d5d9d
MD5 hash:
92169aff13bbaec43fcc478a73f8a288
SHA1 hash:
8c8454f39c2028be1d52e9c229f22f0655d71018
Link:
https://www.unpac.me/results/280802ae-762a-41cf-9c5b-2c95637d0eac/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/740b8d98eca2/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/740b8d98eca229f6873a327b046f509c7228ae9e7cf2acabfc43aa5c0e0d5d9d

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: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 740b8d98eca229f6873a327b046f509c7228ae9e7cf2acabfc43aa5c0e0d5d9d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/334081/

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