MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92
SHA3-384 hash: 0b0488f956dd000eff84b90df4568cc1639355d5ce8a29167d8cc2a264907db6c014c9f777dc62b385084b127281ff66
SHA1 hash: 23ee744fa24aaada6ab0a81166c2f5466d29d502
MD5 hash: 447f1d5a645314beb0b1d6b0f2f5119f
humanhash: vegan-jig-fillet-pasta
File name:Doc20230126.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:488'448 bytes
First seen:2023-01-26 13:07:07 UTC
Last seen:2023-01-26 16:30:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 3072:N36LY3qIwBzFyIR+DSbhsR2OsHas+8yqB1LuiCx8V8rIiJzQvstptE8z0N:N36hWsHtlLv8EiFES0
Threatray 12'619 similar samples on MalwareBazaar
TLSH T15EA4F831FC930E37E0747AF5020F08347A9A2EED64E4629C69D2BB361AF5F850766C25
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)
File icon (PE):PE icon
dhash icon e4e45404726c2c94 (2 x AgentTesla)
Reporter 0xToxin
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
188
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Doc20230126.exe
Verdict:
Malicious activity
Analysis date:
2023-01-26 13:10:23 UTC
Tags:
trojan rat agenttesla opendir stealer
Link:
https://app.any.run/tasks/d1fcd2a2-a23c-4b3c-85d4-fc2a8fd4a96b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/357100/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63d27b351c9cbf7d625308d8/reports/1b1f8c10-ed76-43b5-bbb1-f6fe4ede292c/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5f36cc26-5e52-4c3b-a9ea-49c8e0b2ea4a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159530
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to register a low level keyboard hook
Encrypted powershell cmdline option found
Installs a global keyboard hook
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 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)
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 792267 Sample: Doc20230126.exe Startdate: 26/01/2023 Architecture: WINDOWS Score: 100 76 Antivirus detection for URL or domain 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 Yara detected AgentTesla 2->80 82 4 other signatures 2->82 7 Doc20230126.exe 16 7 2->7         started        12 Sfrdma.exe 14 4 2->12         started        14 Sfrdma.exe 2->14         started        process3 dnsIp4 64 3.121.219.193, 49687, 49689, 49691 AMAZON-02US United States 7->64 48 C:\Users\user\AppData\Roaming\...\Sfrdma.exe, PE32 7->48 dropped 50 C:\Users\user\...\Sfrdma.exe:Zone.Identifier, ASCII 7->50 dropped 52 C:\Users\user\AppData\...\Doc20230126.exe.log, ASCII 7->52 dropped 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->84 86 May check the online IP address of the machine 7->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->88 90 Contains functionality to register a low level keyboard hook 7->90 16 Doc20230126.exe 7 7->16         started        20 cmd.exe 1 7->20         started        22 cmd.exe 1 7->22         started        32 3 other processes 7->32 92 Multi AV Scanner detection for dropped file 12->92 94 Machine Learning detection for dropped file 12->94 96 Encrypted powershell cmdline option found 12->96 24 Sfrdma.exe 12->24         started        26 powershell.exe 12->26         started        28 Sfrdma.exe 14->28         started        30 powershell.exe 14->30         started        file5 signatures6 process7 dnsIp8 54 api4.ipify.org 64.185.227.155, 443, 49688, 49694 WEBNXUS United States 16->54 56 198.98.55.114, 49692, 49693, 49696 PONYNETUS United States 16->56 58 api.ipify.org 16->58 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->66 68 Tries to steal Mail credentials (via file / registry access) 16->68 70 Tries to harvest and steal browser information (history, passwords, etc) 16->70 72 Uses ipconfig to lookup or modify the Windows network settings 20->72 34 conhost.exe 20->34         started        36 ipconfig.exe 1 20->36         started        38 conhost.exe 22->38         started        40 ipconfig.exe 1 22->40         started        60 api.ipify.org 24->60 74 Installs a global keyboard hook 24->74 42 conhost.exe 26->42         started        62 api.ipify.org 28->62 44 conhost.exe 30->44         started        46 conhost.exe 32->46         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-26 13:08:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=quhydcwkgymi77zvusjcoxgwhoub63siey72uzu7wxqzefs7f6ja._file
Verdict:
suspicious
Similar samples:
4339ebf2887db03e86b83f7108b649e724fd71795ab6dc47a4eb268a78d6809c
AgentTesla
57bfce39fe3e6b542fb9f31de25acbaf1724892c3cc2c978c939b122d474f2f9
AgentTesla
63817b66af367d99670cfca41e202771396a759aa78b62b08dcbf80eebd63217
AgentTesla
902d6e472c33f0b6deff39548253e09dc3c0df227cec877b16d9c3a646c48508
AgentTesla
93b17c9c6d764b7e218d2d1669e8bd68059da3fe346936071b012d22d52fb35e
AgentTesla
ae91393b850f103349a6832dbf36e3027882e4bbcf6f45bedabf52f8061c3a9d
AgentTesla
ca325db87d417d1b142fc76c5f8e6c093dab172458e89c456b7f4bb374c02d82
AgentTesla
d060ee3029a154a6fba6ed666ee5fafb2c8ee019dcfde0819f8aa24392b6e944
AgentTesla
+ 12'609 additional samples on MalwareBazaar
Result
Malware family:
purecrypter
Create hunting rule
Score:
  10/10
Tags:
family:purecrypter collection downloader loader persistence spyware stealer
Link:
https://tria.ge/reports/230126-qc774adf83/
Behaviour
Gathers network information
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
Adds Run key to start application
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
Detect PureCrypter injector
PureCrypter
Unpacked files
SH256 hash:
850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92
MD5 hash:
447f1d5a645314beb0b1d6b0f2f5119f
SHA1 hash:
23ee744fa24aaada6ab0a81166c2f5466d29d502
Link:
https://www.unpac.me/results/adb054ed-77bf-4992-8e2b-2787bc1f390d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/357100/

Comments