MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6818b7dbbe4752b07a9e9aa8c52e4e7544b71f062bb6a5f4b7e0c9172601fa97. 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 4 File information Comments

SHA256 hash: 6818b7dbbe4752b07a9e9aa8c52e4e7544b71f062bb6a5f4b7e0c9172601fa97
SHA3-384 hash: ea229a333b92552dd3f978b637490932b8fc5b4c23c3957b0389bc09acfedea93fc3a8bdba157157752461df0f1996bc
SHA1 hash: e57f6fb495e5f9b57fda08f70342803d6e27a5ee
MD5 hash: 988502d05fa95a7ae798ba594a2bf758
humanhash: april-apart-chicken-seventeen
File name:Halkbank_Ekstre_20230817_080637_783952.pdf.exe
Download: download sample
Signature AgentTesla
File size:754'176 bytes
First seen:2023-08-17 18:16:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ud2iNsXDl+CSWJ/3PVCkeaJS1xrdNwMvDzrfvmD40h56iWZNVm+XH:+1g+0Hru1xpFDgBgNVm+XH
Threatray 5'568 similar samples on MalwareBazaar
TLSH T1B1F4120535699B3ED27D87F9349164A13FEC595BA0A9CE610FC938DB323175003E3AAB
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 :
1
# of downloads :
282
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Halkbank_Ekstre_20230817_080637_783952.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-17 18:20:18 UTC
Tags:
agenttesla stealer

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

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293013 Sample: Halkbank_Ekstre_20230817_08... Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 8 other signatures 2->68 7 Halkbank_Ekstre_20230817_080637_783952.pdf.exe 7 2->7         started        11 TkOHlvxZpEz.exe 5 2->11         started        13 plQRn125.exe 2->13         started        15 plQRn125.exe 2->15         started        process3 file4 46 C:\Users\user\AppData\...\TkOHlvxZpEz.exe, PE32 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmp975C.tmp, XML 7->48 dropped 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->78 80 May check the online IP address of the machine 7->80 82 Uses schtasks.exe or at.exe to add and modify task schedules 7->82 84 Adds a directory exclusion to Windows Defender 7->84 17 Halkbank_Ekstre_20230817_080637_783952.pdf.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        86 Multi AV Scanner detection for dropped file 11->86 88 Machine Learning detection for dropped file 11->88 90 Injects a PE file into a foreign processes 11->90 26 TkOHlvxZpEz.exe 11->26         started        28 schtasks.exe 11->28         started        30 plQRn125.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 50 mail.imajbranda.com 160.153.133.219, 49738, 49739, 49752 GODADDY-AMSDE United States 17->50 52 api4.ipify.org 64.185.227.156, 443, 49734, 49740 WEBNXUS United States 17->52 54 api.ipify.org 17->54 42 C:\Users\user\AppData\...\plQRn125.exe, PE32 17->42 dropped 44 C:\Users\...\plQRn125.exe:Zone.Identifier, ASCII 17->44 dropped 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->70 72 Tries to steal Mail credentials (via file / registry access) 17->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->74 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        56 192.168.2.1 unknown unknown 26->56 58 api.ipify.org 26->58 38 conhost.exe 28->38         started        60 api.ipify.org 30->60 76 Tries to harvest and steal browser information (history, passwords, etc) 30->76 40 conhost.exe 32->40         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-08-17 11:14:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
12 of 38 (31.58%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
10e208f088aa22b0cb9bd844e7e9505ebc3d7fc685fefb1fbf3dd48b739d26fc
MD5 hash:
a73467d02e5ca643bd99704d1360bf95
SHA1 hash:
4f75b07ffa2f76c3d131025cbb05f9fdc789160e
SH256 hash:
b0c2e684af3f79b0a2258406c1daf6c93e38805499eea244c8afab7a5bd09919
MD5 hash:
bf51bee80a58df524c94fff484626376
SHA1 hash:
1b7490d00236b96452117ffb861b6590b350bfa5
Detections:
AgentTesla
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
SH256 hash:
6818b7dbbe4752b07a9e9aa8c52e4e7544b71f062bb6a5f4b7e0c9172601fa97
MD5 hash:
988502d05fa95a7ae798ba594a2bf758
SHA1 hash:
e57f6fb495e5f9b57fda08f70342803d6e27a5ee
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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 6818b7dbbe4752b07a9e9aa8c52e4e7544b71f062bb6a5f4b7e0c9172601fa97

(this sample)

  
Delivery method
Distributed via e-mail attachment

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