MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1ec992b83051e6bc4b36bc2357fc7ac41800da9dc1ba1a2426c6a4ec9c30760. 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 2 File information Comments

SHA256 hash: d1ec992b83051e6bc4b36bc2357fc7ac41800da9dc1ba1a2426c6a4ec9c30760
SHA3-384 hash: 959e897c47148c33a5c44cb279a169c3d887243109cce7b78314e7340c75a5716388347e0fc18ee0ebd15c5d6a248fb5
SHA1 hash: e2f7d3a2d8861aeeb307c8eb5f500913e4fd742d
MD5 hash: 46edc95df77a997d2d2271abca4eb649
humanhash: london-zulu-october-island
File name:Halkbank.exe
Download: download sample
Signature AgentTesla
File size:709'120 bytes
First seen:2022-11-17 14:53:59 UTC
Last seen:2022-12-06 11:30:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:udTjw2kt+35hXami0sInybgn33C3Gf9iLSAx6/U/5s5BrcjZnbCkI:QjlktqXamPsMy835cpj/5ZjZnbCkI
Threatray 22'596 similar samples on MalwareBazaar
TLSH T17AE449E9A893796EE4B9B25D55F1A850CAB38C724EC0AE2441783DC15D339D3B122DFC
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13097/50/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR

Intelligence


File Origin
# of uploads :
3
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Halkbank.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 14:55:41 UTC
Tags:
agenttesla

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
hacktool 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)
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: 748531 Sample: Halkbank.exe Startdate: 17/11/2022 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 3 2->10         started        12 regis.exe 2 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 14 Halkbank.exe 17 6 6->14         started        71 Multi AV Scanner detection for dropped file 10->71 73 Machine Learning detection for dropped file 10->73 19 regis.exe 14 2 10->19         started        21 regis.exe 10->21         started        23 regis.exe 3 12->23         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49704, 49713 TELEGRAMRU United Kingdom 14->31 33 api.ipify.org.herokudns.com 52.20.78.240, 443, 49703, 49710 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 3.232.242.170, 443, 49708 AMAZON-AESUS United States 19->37 39 192.168.2.1 unknown unknown 19->39 41 api.ipify.org 19->41 43 api.ipify.org 23->43 51 Tries to harvest and steal ftp login credentials 23->51 53 Tries to harvest and steal browser information (history, passwords, etc) 23->53 55 Installs a global keyboard hook 23->55 file8 signatures9
Threat name:
ByteCode-MSIL.Hacktool.Mimikatz
Status:
Malicious
First seen:
2022-11-17 09:11:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  1/5
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/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
93ab7a19a5ee0426aaf8fdbc832ec25989f3590e761905ebc520e9fe92b78594
MD5 hash:
27a7bca1cb47222ca397be345476f88b
SHA1 hash:
e297117ac927e4616671d7633939d521a413f8e8
SH256 hash:
defae10934d643698632d3f983b1e8e5acddea1dd9068f42d8b9ee03cd1cad5c
MD5 hash:
ef2f01871cba504427f84700fa75b704
SHA1 hash:
5195acb32db190be87a324d5a623b51b95533252
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
19e2a263b8dc388f3dd6b8cd63ff63d8988f43d98b9d04e17014f2400d4c342a
MD5 hash:
62004168fa8b42e7a4a209ebf482ba8d
SHA1 hash:
2eee0bb51e68b2516e845f3a1f68fcde3a7ac7f9
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
d1ec992b83051e6bc4b36bc2357fc7ac41800da9dc1ba1a2426c6a4ec9c30760
MD5 hash:
46edc95df77a997d2d2271abca4eb649
SHA1 hash:
e2f7d3a2d8861aeeb307c8eb5f500913e4fd742d
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.

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