MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43d9fdc6b555d5efb428069b1a8fd10d41e46639b32361e352752faf78129a32. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43d9fdc6b555d5efb428069b1a8fd10d41e46639b32361e352752faf78129a32
SHA3-384 hash: d7268f0974207de272e1d47da56b9331ff4556bbab77b37cae1ac9f3242ef085a6eea88a1d0fe5eaf399c30701fb64f7
SHA1 hash: 1ab5e4731b51fd04a08ae9db9386619d6ea8f35b
MD5 hash: ea975aa9a1e5f4b89def4c49f2a2f236
humanhash: lithium-fix-uranus-ink
File name:ea975aa9a1e5f4b89def4c49f2a2f236.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:736'256 bytes
First seen:2020-10-21 10:49:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:7Mj+t+W4kzU7XpGbvZsGHOJNGimUSq2S+woJezhdH:
TLSH CBF4CA3CADD9223756BBD6B6C9F559CBF911794331266C0E94DB03820A03BA77EC211E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.hkoffice365.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/74098/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.bz.29157.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Launching a process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/505722
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 301931 Sample: iDmjmulrN7.exe Startdate: 21/10/2020 Architecture: WINDOWS Score: 100 33 Antivirus detection for dropped file 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 9 other signatures 2->39 7 iDmjmulrN7.exe 1 4 2->7         started        11 vlc.exe 2->11         started        13 vlc.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->27 dropped 29 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\...\iDmjmulrN7.exe.log, ASCII 7->31 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Adds a directory exclusion to Windows Defender 7->45 15 powershell.exe 25 7->15         started        17 iDmjmulrN7.exe 2 7->17         started        47 Injects a PE file into a foreign processes 11->47 19 vlc.exe 11->19         started        21 vlc.exe 11->21         started        23 vlc.exe 2 13->23         started        signatures5 process6 process7 25 conhost.exe 15->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43d9fdc6b555d5efb428069b1a8fd10d41e46639b32361e352752faf78129a32/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-21 08:29:45 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ipm73rvvkxk67nbia2nrvd6rbva6izrzwmrwdy2soux266astiza._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/201021-1n2m22htqe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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:
43d9fdc6b555d5efb428069b1a8fd10d41e46639b32361e352752faf78129a32
MD5 hash:
ea975aa9a1e5f4b89def4c49f2a2f236
SHA1 hash:
1ab5e4731b51fd04a08ae9db9386619d6ea8f35b
Link:
https://www.unpac.me/results/e281d395-91cf-493c-966f-2cb2d91e555b/
SH256 hash:
fd713dac84c5a03c18482322d3501fc8c818955999205d0043a0c475d7fe4fb2
MD5 hash:
11ba98d7a1cd92264a438b4fc380d569
SHA1 hash:
650771ddd5ff73f0ee9132f6d80aca8c708343ea
Link:
https://www.unpac.me/results/e281d395-91cf-493c-966f-2cb2d91e555b/
SH256 hash:
bd6ce7b07f574c6d7d2c6c6c70b41ddd152b4f9f6c5ef661878e5f0f2fef9e2c
MD5 hash:
9fd0969061c18a905172f22340067545
SHA1 hash:
44608126e8111c157137b332126924ee36ae6d03
Link:
https://www.unpac.me/results/e281d395-91cf-493c-966f-2cb2d91e555b/
SH256 hash:
69321d0ee795f24730e35ab54554a56a0eb9101404e2af8cafaa4ee52dfe8614
MD5 hash:
6d633b43a1858ea0abe5c4590e534c16
SHA1 hash:
523cd8a807d3620443df3f4189582e446ac913fc
Link:
https://www.unpac.me/results/e281d395-91cf-493c-966f-2cb2d91e555b/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 43d9fdc6b555d5efb428069b1a8fd10d41e46639b32361e352752faf78129a32

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/74098/
  
URLhaus
https://urlhaus.abuse.ch/url/727637/
  
Delivery method
Distributed via web download

Comments