MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856c5bebdbdde6c6e363573944f15d1ae9bde70cef370f2ae9c5af39cada835a. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 856c5bebdbdde6c6e363573944f15d1ae9bde70cef370f2ae9c5af39cada835a
SHA3-384 hash: b4d054175f19f4c93fac5e443088c57a0410b94dc62469023869e46cd3f879f0b6a2e1b2c53dd88ce569f39e7b1102eb
SHA1 hash: b38b2cd7931a0b20b2991deddfdac41cd30bb2f1
MD5 hash: 47c3babf753a299e0d5c94e222231bf1
humanhash: magazine-burger-fanta-kitten
File name:Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Download: download sample
Signature AgentTesla
File size:641'343 bytes
First seen:2023-04-11 18:51:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:0Ya6GNhRnL2WlF0Hfrmv8t1Vz/HrBfOR37zANuQDi:0YkTL2WcDe8t1VZfezAN9i
Threatray 3'140 similar samples on MalwareBazaar
TLSH T169D49C23F4DCA6D5E09C0479AC68F3BE79216C1188318E963EA1F849693974724F7D3E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 72ceaeaeb2968eaa (57 x AgentTesla, 9 x Formbook, 7 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank Telegram TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
268
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 18:58:39 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
comodo nemesis overlay packed remcos shell32.dll
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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Installs a global keyboard hook
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
Snort IDS alert for network traffic
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-04-11 07:43:43 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
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/bot6272036226:AAE-NMCN6wm6pB8NevxLxncr1cZIIJkq-10/
Unpacked files
SH256 hash:
7b44431a159654743566738d88b6eff8d1dbeb6bb1d569752ca9aac121c774f4
MD5 hash:
8dfaea64e609264c8a91dad058fc0554
SHA1 hash:
1b4c441c9695e9cd0e981db80925adde3f1a275d
SH256 hash:
856c5bebdbdde6c6e363573944f15d1ae9bde70cef370f2ae9c5af39cada835a
MD5 hash:
47c3babf753a299e0d5c94e222231bf1
SHA1 hash:
b38b2cd7931a0b20b2991deddfdac41cd30bb2f1
Malware family:
AgentTesla
Verdict:
Malicious
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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 856c5bebdbdde6c6e363573944f15d1ae9bde70cef370f2ae9c5af39cada835a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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