MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 759b0bf83a7cbc7ab0e88fcf11428e36ee8f1e5b61b55344408829529c0d4210. 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

SHA256 hash: 759b0bf83a7cbc7ab0e88fcf11428e36ee8f1e5b61b55344408829529c0d4210
SHA3-384 hash: e9082a22950e311479f5e1d76bf51d832aeda34eb2c456778954870329acb02a5b7f4bdad201471eea319e75eb40f6bb
SHA1 hash: 119b127ea5dcb49fe30ad6061e46fc0c3685cdeb
MD5 hash: 3b3a8ec84050161f9f4c9fcbbc51f72d
humanhash: nitrogen-whiskey-uniform-kentucky
File name:Halkbank.exe
Download: download sample
Signature AgentTesla
File size:624'640 bytes
First seen:2022-11-28 07:33:53 UTC
Last seen:2022-11-28 09:33:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:2WO+/pbKbfhpdnkUjoHP6ktw6NSj0+7aPG8WDs:2W5bKNpdkUjIP6jZ0vmo
Threatray 23'304 similar samples on MalwareBazaar
TLSH T192D42254326864B3DAB96BF52D92D28403F6722F71B2D1ED2D8836DF5AE1B01C320B57
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 4848d4d0d4d4d4c4 (4 x AgentTesla, 4 x Formbook, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Halkbank.exe
Verdict:
Malicious activity
Analysis date:
2022-11-28 07:43:32 UTC
Tags:
agenttesla

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

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 755001 Sample: Halkbank.exe Startdate: 28/11/2022 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 7 other signatures 2->57 6 Halkbank.exe 3 2->6         started        10 regis.exe 2 2->10         started        12 regis.exe 3 2->12         started        process3 file4 23 C:\Users\user\AppData\...\Halkbank.exe.log, ASCII 6->23 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->59 61 May check the online IP address of the machine 6->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->63 14 Halkbank.exe 17 6 6->14         started        19 regis.exe 14 3 10->19         started        65 Machine Learning detection for dropped file 12->65 21 regis.exe 2 12->21         started        signatures5 process6 dnsIp7 29 api.telegram.org 149.154.167.220, 443, 49700, 49702 TELEGRAMRU United Kingdom 14->29 31 api.ipify.org.herokudns.com 52.20.78.240, 443, 49699, 49701 AMAZON-AESUS United States 14->31 33 api.ipify.org 14->33 25 C:\Users\user\AppData\Roaming\...\regis.exe, PE32 14->25 dropped 27 C:\Users\user\...\regis.exe:Zone.Identifier, ASCII 14->27 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->43 35 192.168.2.1 unknown unknown 19->35 37 api.ipify.org 19->37 45 Tries to harvest and steal ftp login credentials 19->45 47 Tries to harvest and steal browser information (history, passwords, etc) 19->47 49 Installs a global keyboard hook 19->49 file8 signatures9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-11-28 04:32:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5792996127:AAEo0wCCYZp60yQsf_X1P7t-T5AAK5KPYXY/
Unpacked files
SH256 hash:
6e31cc587f117fd64a0598eaa09584c86466aa1fbf408416b0209490be8629ab
MD5 hash:
f7653e6effac7155b21480e88a4e036d
SHA1 hash:
ea18ae33e5eb0e916642d1b73610cef76191d61e
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
SH256 hash:
d035a753251426d053dabe9c446dfb311fd73a005b1369e963cdc957bca133c0
MD5 hash:
2ddc1c8a1d233d034172b67eeb9fe774
SHA1 hash:
60e85837f7000f661d082b41de2c97b721961ce2
SH256 hash:
defae10934d643698632d3f983b1e8e5acddea1dd9068f42d8b9ee03cd1cad5c
MD5 hash:
ef2f01871cba504427f84700fa75b704
SHA1 hash:
5195acb32db190be87a324d5a623b51b95533252
Detections:
AgentTesla
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
SH256 hash:
759b0bf83a7cbc7ab0e88fcf11428e36ee8f1e5b61b55344408829529c0d4210
MD5 hash:
3b3a8ec84050161f9f4c9fcbbc51f72d
SHA1 hash:
119b127ea5dcb49fe30ad6061e46fc0c3685cdeb
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: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 759b0bf83a7cbc7ab0e88fcf11428e36ee8f1e5b61b55344408829529c0d4210

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments