MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f39b781c5fe94527dc5743422c39e817b75eadc3d715963e8a4d62feb3e82bed. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: f39b781c5fe94527dc5743422c39e817b75eadc3d715963e8a4d62feb3e82bed
SHA3-384 hash: 746a41cca5032b74a910e13c0afcebc0905c8a6c7f144cb0dcfbbe6d7e92eeb2643e5f5550aa0861ce544edcfb3335b4
SHA1 hash: 0775fa7d38ad1cbaae7833cba37548ab620ab56b
MD5 hash: 06bc397af4e87a02c7de5acbc9054e33
humanhash: table-hydrogen-victor-single
File name:Previous quoted price.exe
Download: download sample
Signature AgentTesla
File size:714'752 bytes
First seen:2022-11-17 16:57:55 UTC
Last seen:2022-11-17 18:48:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:n1FsOTey5DpLii1xWj9OgdFvLwGW6UxjppwE/U/5s5BTcjZnbCkI:1ZTrg3Lwdpe/5pjZnbCkI
Threatray 22'511 similar samples on MalwareBazaar
TLSH T131E44AE9A893696ED5B9B35D55F1A850CBB388324EC0AE2441783DC15D339D3B122EFC
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)
File icon (PE):PE icon
dhash icon 63e6e363a6bbbffb (3 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Previous quoted price.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 17:03:25 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
Creating a window
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
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
Adds a directory exclusion to Windows Defender
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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: Scheduled temp file as task from temp location
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 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: 748664 Sample: Previous quoted price.exe Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->42 44 Sigma detected: Scheduled temp file as task from temp location 2->44 46 11 other signatures 2->46 7 Previous quoted price.exe 7 2->7         started        11 NNZAiHmUTGZ.exe 5 2->11         started        process3 file4 32 C:\Users\user\AppData\...32NZAiHmUTGZ.exe, PE32 7->32 dropped 34 C:\Users\...34NZAiHmUTGZ.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmpC8B7.tmp, XML 7->36 dropped 38 C:\Users\...\Previous quoted price.exe.log, ASCII 7->38 dropped 48 Adds a directory exclusion to Windows Defender 7->48 13 Previous quoted price.exe 2 7->13         started        16 powershell.exe 19 7->16         started        18 schtasks.exe 1 7->18         started        24 2 other processes 7->24 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->50 52 Machine Learning detection for dropped file 11->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->54 20 NNZAiHmUTGZ.exe 2 11->20         started        22 schtasks.exe 1 11->22         started        signatures5 process6 signatures7 26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        56 Tries to steal Mail credentials (via file / registry access) 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 60 Installs a global keyboard hook 20->60 30 conhost.exe 22->30         started        process8
Threat name:
Win32.Trojan.Taskun
Status:
Malicious
First seen:
2022-11-17 08:20:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
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 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:
737c402645a6f8155708f256d57ed9fd9964c40244df3d754872b83c9edcf124
MD5 hash:
468687a50cf23776dc0ed9203cb26a72
SHA1 hash:
78913d133c5c1ea507b937589b4019e24dc70c3e
SH256 hash:
0005d549d5b1f7129746e397bc4ab4b1c4b82a4ef25bf1ac0daa5eb8f5187d32
MD5 hash:
c9ec82e9398fd306c7a2fb23f19c4d6a
SHA1 hash:
63e49bb85fcdf7d5e8ad5ffdf5b804750fb2a3a1
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
30d0ae0e8f31967ccf520631eb4f33f4a17075c884767e457bf46a025c67f357
MD5 hash:
b8213c2ded324a05b0b5f11f702414d3
SHA1 hash:
4409190171af2501adb137bccccd3f59e6c38540
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
f39b781c5fe94527dc5743422c39e817b75eadc3d715963e8a4d62feb3e82bed
MD5 hash:
06bc397af4e87a02c7de5acbc9054e33
SHA1 hash:
0775fa7d38ad1cbaae7833cba37548ab620ab56b
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.

Malspam

AgentTesla

Executable exe f39b781c5fe94527dc5743422c39e817b75eadc3d715963e8a4d62feb3e82bed

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments