MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9136458c333f03b11beaaec3388aa1bd3afad5b5f6920fa992b8e5c05b8c62b. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1

SHA256 hash: d9136458c333f03b11beaaec3388aa1bd3afad5b5f6920fa992b8e5c05b8c62b
SHA3-384 hash: 61ddd05cd0b4eea68d42eef05dcef75e3a768e85021a84391c51581313f12f05ab3f4e66282616d621896edc703d87f7
SHA1 hash: 1cee0c951d9b2841bf6ab2b86abd3cd6d1a4210f
MD5 hash: 7ff571e8d43bdefd4fb9ca3177dfbc7e
humanhash: sodium-twenty-iowa-december
File name:7ff571e8d43bdefd4fb9ca3177dfbc7e
Download: download sample
Signature AgentTesla
File size:871'424 bytes
First seen:2023-03-23 14:58:55 UTC
Last seen:2023-03-23 16:28:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:CZUpZwdqiKnLWeFXwg71cAwV6rmo6f4oKcBsInfwDUXgZtEjHD/d92JTDAd:hpZG4XX33mo6fZKcBdNimnd92JTE
Threatray 11 similar samples on MalwareBazaar
TLSH T1AA05E014ED260C73F8D5D6B91484233A07A9BBA550A2E599CEF968D93ECFBB305D004F
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 zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
c3e8b482ed3986690fcdc9cbab9a0b7f
Verdict:
Malicious activity
Analysis date:
2023-03-23 15:04:19 UTC
Tags:
opendir exploit cve-2017-11882 loader 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
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
75%
Tags:
comodo formbook packed remcos
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 833402 Sample: nyk2U42xfH.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 60 api.telegram.org 2->60 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 7 other signatures 2->68 8 nyk2U42xfH.exe 7 2->8         started        12 dyfYBBF.exe 5 2->12         started        14 NXLun.exe 2->14         started        16 NXLun.exe 2->16         started        signatures3 process4 file5 52 C:\Users\user\AppData\Roaming\dyfYBBF.exe, PE32 8->52 dropped 54 C:\Users\user\...\dyfYBBF.exe:Zone.Identifier, ASCII 8->54 dropped 56 C:\Users\user\AppData\Local\...\tmpDE94.tmp, XML 8->56 dropped 58 C:\Users\user\AppData\...\nyk2U42xfH.exe.log, ASCII 8->58 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 8->78 80 Adds a directory exclusion to Windows Defender 8->80 18 nyk2U42xfH.exe 2 5 8->18         started        22 powershell.exe 21 8->22         started        24 schtasks.exe 1 8->24         started        82 Multi AV Scanner detection for dropped file 12->82 84 Machine Learning detection for dropped file 12->84 86 Injects a PE file into a foreign processes 12->86 26 dyfYBBF.exe 2 12->26         started        28 schtasks.exe 1 12->28         started        30 dyfYBBF.exe 12->30         started        34 2 other processes 12->34 32 schtasks.exe 14->32         started        36 2 other processes 14->36 signatures6 process7 file8 46 C:\Users\user\AppData\Roaming\...46XLun.exe, PE32 18->46 dropped 48 C:\Windows\System32\drivers\etc\hosts, ASCII 18->48 dropped 50 C:\Users\user\...50XLun.exe:Zone.Identifier, ASCII 18->50 dropped 70 Modifies the hosts file 18->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->72 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 28->42         started        44 conhost.exe 32->44         started        signatures9 process10
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-03-23 14:59:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1611551445:AAFDJ3yQMlB3zXJGib2_TFkq1jedBMj3GTw/sendDocument
Unpacked files
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
cde0d3400cd787fce5d1b95fa52908d64831430cc90dafddbaa79ae0d03bb3d0
MD5 hash:
06a5bc1d3143bcac174d81c5ffc09def
SHA1 hash:
650fb4549fb98ee4c7be5e03bf670241e6339cd0
SH256 hash:
7a4d184a2284612dce728fbce20933f95c4cdf69db6f2b7a7d1298b10b7250a8
MD5 hash:
665a0ef000999c1bf4b8b2a56e020376
SHA1 hash:
5b79f9fd1d6f9fff0483d6a71a62679b79e15097
SH256 hash:
30cd8c05ce0db8696374e23fa20ccdd053035bd3025a3161ce52f7a9bbf37625
MD5 hash:
95cb7a5d5d00a8b78ed9a3ccc9c8494f
SHA1 hash:
54c9ceb88bbd1752dceae4384ecaa0c476a1c1ae
SH256 hash:
d9136458c333f03b11beaaec3388aa1bd3afad5b5f6920fa992b8e5c05b8c62b
MD5 hash:
7ff571e8d43bdefd4fb9ca3177dfbc7e
SHA1 hash:
1cee0c951d9b2841bf6ab2b86abd3cd6d1a4210f
Malware family:
AgentTesla.v3
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.

Web download

AgentTesla

Executable exe d9136458c333f03b11beaaec3388aa1bd3afad5b5f6920fa992b8e5c05b8c62b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-03-23 14:58:58 UTC

url : hxxp://172.245.123.109/385/vbc.exe