MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9a91c1c89539f9482408b13a207fee4206438a9a310b4bd81d1884f5f5096b7. 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: f9a91c1c89539f9482408b13a207fee4206438a9a310b4bd81d1884f5f5096b7
SHA3-384 hash: 20cb2e3861bbe874e5fc08e23157a5b5e381aeabecc812ebe3f8d1219f599b06f978747d0e2f21dd93c6bb94190d6cfc
SHA1 hash: 06c5ff150dcc3ab687db0dde26e476437bbfc575
MD5 hash: 3dbe3ab379a0c8ae55e3655bd91af17e
humanhash: maine-uncle-kansas-river
File name:BUYERINV.EXE
Download: download sample
Signature AgentTesla
File size:1'060'864 bytes
First seen:2022-04-08 15:25:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:8bYPbYPbYPbYPbYPbYEEjg5tZh9pTyUhgFTP/yh1j0pTEcT:8bubububububRZvuUhgFTP6b06i
Threatray 15'768 similar samples on MalwareBazaar
TLSH T1DA35F141F16C7ECAD47603F106769520233AFB1A50AED38969F17ACA48767C33667E0B
File icon (PE):PE icon
dhash icon 8ab2a6ecec94b2ca (6 x AgentTesla)
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
gbisUhq.bin.exe
Verdict:
Malicious activity
Analysis date:
2022-04-08 15:17:06 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
MALICIOUS
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
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
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: Suspicious Add Scheduled Task From User AppData Temp
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 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 AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 605792 Sample: BUYERINV.EXE Startdate: 08/04/2022 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 10 other signatures 2->41 7 BUYERINV.EXE 7 2->7         started        process3 file4 25 C:\Users\user\AppData\Roaming\gbisUhq.exe, PE32 7->25 dropped 27 C:\Users\user\...\gbisUhq.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmpABC3.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\BUYERINV.EXE.log, ASCII 7->31 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 2 other signatures 7->49 11 BUYERINV.EXE 15 6 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        19 BackgroundTransferHost.exe 13 7->19         started        signatures5 process6 dnsIp7 33 api.telegram.org 149.154.167.220, 443, 49774, 49778 TELEGRAMRU United Kingdom 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Tries to steal Mail credentials (via file / registry access) 11->53 55 Tries to harvest and steal ftp login credentials 11->55 57 2 other signatures 11->57 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-08 15:26:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
11 of 42 (26.19%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1810941027:AAGYriAwKBGodTLdcygtEUFTKeLsPNen6CQ/sendDocument
Unpacked files
SH256 hash:
710633eda25b14f0e89517d0c812ac289251b4d5d9fa1bea71564fb3380b1956
MD5 hash:
e678bae40fb50e994a650348675a52c8
SHA1 hash:
e54e2618ab5215ae03635f0c02c60e0c40d13f31
SH256 hash:
acb4b4a43189e2b4efbd8afba8525e83b82dc3d095265644d40fa1399d5e9663
MD5 hash:
4f537a4cd41de3196133231cf5a8e43b
SHA1 hash:
d0fb55c23ae24a05cb004ff070fb05a4b980e29c
SH256 hash:
f11fa8ee43260c336e5f5a3359aeb2a366059fe15f3cec14201b121557f28310
MD5 hash:
8a5e89a886e4567679a31e3da893ec4b
SHA1 hash:
aaacaa32756584e6c80a363ca24a72fd6723a560
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
SH256 hash:
f9a91c1c89539f9482408b13a207fee4206438a9a310b4bd81d1884f5f5096b7
MD5 hash:
3dbe3ab379a0c8ae55e3655bd91af17e
SHA1 hash:
06c5ff150dcc3ab687db0dde26e476437bbfc575
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.

Comments