MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0156a3553f9c3a0d318e5efec95727c2a0111f19478eeaec9a320b5c35b400bb. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 0156a3553f9c3a0d318e5efec95727c2a0111f19478eeaec9a320b5c35b400bb
SHA3-384 hash: 13d9e7a741b38b0c4cce6fb0bb576c90ad83775443c7c91ed974358c9d52ef777cfef5f23629f504ad450fd2eaeef86a
SHA1 hash: 007ecff53265d7e42d67ee8eddde2c542958549b
MD5 hash: 62e05250eba4182d8be9d3178a02a7ae
humanhash: double-indigo-leopard-sierra
File name:Halkbank_Ekstre_20231004_073809_405251-PDF.exe
Download: download sample
Signature AgentTesla
File size:907'264 bytes
First seen:2023-10-06 14:21:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:giF7s9IwFSqU8V1RNxuH1ifXrvcejYJTsiFscX6viyRSbZMYOHhK4+:giF7s9IWSqnxq6NUbnXoUbZMYQx
Threatray 82 similar samples on MalwareBazaar
TLSH T10915AFD1F2882DE5E96603F95C332D202167BEAD5438D519285E7BAA7BB33433072D4B
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 1518195a1b2f855b (3 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank Telegram TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1321022 Sample: Halkbank_Ekstre_20231004_07... Startdate: 06/10/2023 Architecture: WINDOWS Score: 100 36 api4.ipify.org 2->36 38 api.telegram.org 2->38 40 api.ipify.org 2->40 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->50 52 11 other signatures 2->52 8 Halkbank_Ekstre_20231004_073809_405251-PDF.exe 6 2->8         started        12 EtYnKeDObyHW.exe 4 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...tYnKeDObyHW.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmpF21A.tmp, XML 8->34 dropped 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Adds a directory exclusion to Windows Defender 8->58 14 Halkbank_Ekstre_20231004_073809_405251-PDF.exe 15 2 8->14         started        18 powershell.exe 20 8->18         started        20 schtasks.exe 1 8->20         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 Injects a PE file into a foreign processes 12->64 22 EtYnKeDObyHW.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 42 api4.ipify.org 104.237.62.212, 443, 49712, 49714 WEBNXUS United States 14->42 44 api.telegram.org 149.154.167.220, 443, 49713, 49715 TELEGRAMRU United Kingdom 14->44 66 Installs a global keyboard hook 14->66 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->68 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 30 conhost.exe 24->30         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-06 08:06:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
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
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
SH256 hash:
d8268bed755a9098351b3acfbfca2096882c89ae5517621d34580b4de8ee6120
MD5 hash:
1e22cd428f5baf23877a8189469ed92a
SHA1 hash:
812742508196a87627572282c77160a50beee5fc
Detections:
win_agent_tesla_g2
SH256 hash:
766d380afb3a45f2a458af435d782529c7206ec4b9eef7c2df049b355a513eab
MD5 hash:
22f9162f24eff11a4003608bf3d263fb
SHA1 hash:
3f38183da47d3a67fd92a1f7ecaa43cbd6e25237
SH256 hash:
0156a3553f9c3a0d318e5efec95727c2a0111f19478eeaec9a320b5c35b400bb
MD5 hash:
62e05250eba4182d8be9d3178a02a7ae
SHA1 hash:
007ecff53265d7e42d67ee8eddde2c542958549b
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 0156a3553f9c3a0d318e5efec95727c2a0111f19478eeaec9a320b5c35b400bb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments