MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7485129bfd03a3a6be7fd8b30eb70b0f89631bb81ebbfdf6d7ad78fc17fc38e. 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: b7485129bfd03a3a6be7fd8b30eb70b0f89631bb81ebbfdf6d7ad78fc17fc38e
SHA3-384 hash: 088078e6764548e6c6173906cca9d4eef2ca733b6584d386e0158b33c51e1896cd43bf3bab9048b5901e2c9af683b5b4
SHA1 hash: 9a093939b6938b267a5adb94494931f53ff3da73
MD5 hash: 7dd92ca41b283f0d37d3f1f1d17f3565
humanhash: uranus-triple-video-romeo
File name:Halkbank.exe
Download: download sample
Signature AgentTesla
File size:966'144 bytes
First seen:2022-11-22 09:31:16 UTC
Last seen:2022-11-22 11:32:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:MM+L74mBfNUstzoZTJylXqsDHNXnrpA7BrDR3eX7wU6f3r8JN:z9y1qs7N3OdPNuEU6fI
Threatray 22'616 similar samples on MalwareBazaar
TLSH T17F256B4F2B7FDDE0FB245CFB221557039D3651DABA8ACA7883984BC660F1A0C6B74464
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Halkbank.exe
Verdict:
Malicious activity
Analysis date:
2022-11-22 09:40:23 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
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
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 potential unpacker
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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 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: 751552 Sample: Halkbank.exe Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 8 other signatures 2->63 6 Halkbank.exe 3 2->6         started        10 regis.exe 2 2->10         started        12 regis.exe 3 2->12         started        process3 file4 25 C:\Users\user\AppData\...\Halkbank.exe.log, ASCII 6->25 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->65 67 May check the online IP address of the machine 6->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->69 71 Injects a PE file into a foreign processes 6->71 14 Halkbank.exe 17 6 6->14         started        19 regis.exe 3 10->19         started        21 regis.exe 10->21         started        73 Multi AV Scanner detection for dropped file 12->73 75 Machine Learning detection for dropped file 12->75 23 regis.exe 14 2 12->23         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49696, 49699 TELEGRAMRU United Kingdom 14->31 33 api.ipify.org.herokudns.com 3.220.57.224, 443, 49695 AMAZON-AESUS United States 14->33 35 api.ipify.org 14->35 27 C:\Users\user\AppData\Roaming\...\regis.exe, PE32 14->27 dropped 29 C:\Users\user\...\regis.exe:Zone.Identifier, ASCII 14->29 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->45 47 Tries to steal Mail credentials (via file / registry access) 14->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->49 37 52.20.78.240, 443, 49698 AMAZON-AESUS United States 19->37 39 api.ipify.org 19->39 51 Tries to harvest and steal ftp login credentials 19->51 53 Tries to harvest and steal browser information (history, passwords, etc) 19->53 55 Installs a global keyboard hook 19->55 41 3.232.242.170, 443, 49697 AMAZON-AESUS United States 23->41 43 api.ipify.org 23->43 file8 signatures9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-22 07:26:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 26 (84.62%)
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:
1cacd57068b10765769c928f2d82d9dc56fda13d81a12ed678d93123da63c82d
MD5 hash:
514f1a055b2a4e7f1852323c4e4ec3af
SHA1 hash:
e39f85c115a6eb602b4439039e15030da00a79ec
SH256 hash:
47f672491cad71616ff2b532cf9ad7bf66ce6db3ed90af4ce1b3ac09e24f8913
MD5 hash:
c5e7b03899e33435f5d6533c8d6376ad
SHA1 hash:
c6b5fc6ebc0897b0aade7bf48385b12a6502f7b5
SH256 hash:
defae10934d643698632d3f983b1e8e5acddea1dd9068f42d8b9ee03cd1cad5c
MD5 hash:
ef2f01871cba504427f84700fa75b704
SHA1 hash:
5195acb32db190be87a324d5a623b51b95533252
Detections:
AgentTesla
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
b7485129bfd03a3a6be7fd8b30eb70b0f89631bb81ebbfdf6d7ad78fc17fc38e
MD5 hash:
7dd92ca41b283f0d37d3f1f1d17f3565
SHA1 hash:
9a093939b6938b267a5adb94494931f53ff3da73
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 b7485129bfd03a3a6be7fd8b30eb70b0f89631bb81ebbfdf6d7ad78fc17fc38e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments