MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66e8893d8742feb4cf59cba5705d0ed26ec79f7287c873e56b4216b71903af81. 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: 66e8893d8742feb4cf59cba5705d0ed26ec79f7287c873e56b4216b71903af81
SHA3-384 hash: c9c703460469def76930944a47e66d813289802422422bf5098cb95c68918ac75a3eb4e02e0d6f1645d4d1c1a10fa119
SHA1 hash: cfb842136aaee73a35801e60eb898aeb7df7d5c7
MD5 hash: 4539061d908b8efb290f3d8326482324
humanhash: quebec-arkansas-nitrogen-romeo
File name:New_PO #1783919939-12-2022 RFQ Amended.exe
Download: download sample
Signature AgentTesla
File size:901'632 bytes
First seen:2022-12-08 08:50:31 UTC
Last seen:2022-12-08 14:20:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:9HZFWD/I1REDicfWwQXGTPcABRGrnyzccWwg5+RbZV:q/IkZfWwQXMc3yjee1
TLSH T1CF158BA7B3FB45D6C03892F4146053710EF1D22D89139735EF9858E89BA2A7BC9E1732
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter JAMESWT_WT
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
177
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
New_PO #1783919939-12-2022 RFQ Amended.exe
Verdict:
Malicious activity
Analysis date:
2022-12-08 08:51:52 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
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
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 very large array initializations
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)
May check the online IP address of the machine
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
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 763275 Sample: New_PO #1783919939-12-2022 ... Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 10 other signatures 2->57 7 glzaui.exe 5 2->7         started        10 New_PO #1783919939-12-2022 RFQ Amended.exe 6 2->10         started        process3 file4 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 61 May check the online IP address of the machine 7->61 63 Machine Learning detection for dropped file 7->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->65 13 glzaui.exe 14 3 7->13         started        17 schtasks.exe 1 7->17         started        19 glzaui.exe 7->19         started        21 glzaui.exe 7->21         started        35 C:\Users\user\AppData\Roaming\glzaui.exe, PE32 10->35 dropped 37 C:\Users\user\AppData\Local\...\tmpAB73.tmp, XML 10->37 dropped 39 New_PO #1783919939...RFQ Amended.exe.log, ASCII 10->39 dropped 67 Injects a PE file into a foreign processes 10->67 23 New_PO #1783919939-12-2022 RFQ Amended.exe 15 3 10->23         started        25 schtasks.exe 1 10->25         started        27 New_PO #1783919939-12-2022 RFQ Amended.exe 10->27         started        29 WMIADAP.exe 10->29         started        signatures5 process6 dnsIp7 41 54.91.59.199, 443, 49697 AMAZON-AESUS United States 13->41 43 api.ipify.org 13->43 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->69 71 Tries to steal Mail credentials (via file / registry access) 13->71 73 Tries to harvest and steal ftp login credentials 13->73 75 Tries to harvest and steal browser information (history, passwords, etc) 13->75 31 conhost.exe 17->31         started        45 mail.tegzw-com.cf 68.65.122.213, 26, 49696, 49698 NAMECHEAP-NETUS United States 23->45 47 api.ipify.org.herokudns.com 3.232.242.170, 443, 49695 AMAZON-AESUS United States 23->47 49 api.ipify.org 23->49 33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Trojan.Taskun
Status:
Malicious
First seen:
2022-12-08 03:20:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 26 (76.92%)
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 WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
ab5110d1292ec4454cd640d61c057ef1914d7b22f070fe35df5b3c49ac5ca464
MD5 hash:
39ef168bddec1f7741560c2e0752e034
SHA1 hash:
345153d5d30add7a79d12281066f697f5d0e3383
SH256 hash:
18f77b3f4ba8d8f7351edbae3f1995b185b3b2c2ca7b3da5eba60ab995aa9785
MD5 hash:
cf3ef41559093122721dfa5eb5b6c2dc
SHA1 hash:
2630c5dd0bf4a1a7d2bb50193edcacc22b3aea7c
SH256 hash:
66e8893d8742feb4cf59cba5705d0ed26ec79f7287c873e56b4216b71903af81
MD5 hash:
4539061d908b8efb290f3d8326482324
SHA1 hash:
cfb842136aaee73a35801e60eb898aeb7df7d5c7
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.

Comments