MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b26d161a3fa6c2307c9f2b3fce0af244826d3d09023041b30dd1cfbff0f7572. 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 19 File information Comments
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SHA256 hash: 0b26d161a3fa6c2307c9f2b3fce0af244826d3d09023041b30dd1cfbff0f7572
SHA3-384 hash: 48c7ae76e02f26719fa1b8cefde8e0422a1830e7d29ccf4f527418bdf0b691081340fe64213ad6a5395ff716076560ed
SHA1 hash: 4db2e5f9bf2b3a24054107997286d2a605d66568
MD5 hash: 898216b07bfc6b91d27e54ae329ad046
humanhash: minnesota-blue-september-yellow
File name:puttygen.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:4'668'416 bytes
First seen:2023-10-12 01:56:25 UTC
Last seen:2023-10-12 02:44:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:CYWpFkz5a92F+F3dYFayBx1l7kU0yPrd:zWpuAoF+FtETL5kUhj
Threatray 63 similar samples on MalwareBazaar
TLSH T110263308193FC395E6198CB115BB45CC73EAE1ED2819E7280129F5907AF793B3C299DB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter stealerkiller
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
302
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
puttygen.exe
Verdict:
No threats detected
Analysis date:
2023-10-11 22:35:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e39ed90e-9730-4fb4-97cb-ebefab3f73d9

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/453618/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1560.9176.19991.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Enabling the 'hidden' option for files in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Creating a window
Searching for synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Moving a file to the %temp% directory
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/65275270d9aa1327017fb9f7/reports/a80bedc0-f989-4669-b462-e670beef9a3f/overview
Verdict:
Malicious
Labled as:
Razy.Generic
Link:
https://www.hybrid-analysis.com/sample/0b26d161a3fa6c2307c9f2b3fce0af244826d3d09023041b30dd1cfbff0f7572
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.
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e6aeecc0-b8cb-4114-a7d9-1cf65d6403e4
Result
Threat name:
Agent Tesla, AgentTesla, Amadey, DanaBot
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1324326
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to capture screen (.Net source)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Detected Agent Tesla keylogger
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found API chain indicative of debugger detection
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May use the Tor software to hide its network traffic
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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 Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Amadey bot
Yara detected Amadeys Clipper DLL
Yara detected Amadeys stealer DLL
Yara detected DanaBot stealer dll
Yara detected Generic Downloader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1324326 Sample: puttygen.exe Startdate: 12/10/2023 Architecture: WINDOWS Score: 100 88 wirtshauspost.at 2->88 90 checkip.dyndns.org 2->90 92 3 other IPs or domains 2->92 126 Snort IDS alert for network traffic 2->126 128 Multi AV Scanner detection for domain / URL 2->128 130 Found malware configuration 2->130 132 18 other signatures 2->132 12 puttygen.exe 3 2->12         started        15 JavaUpdate.exe 2->15         started        18 JavaUpdate.exe 2->18         started        signatures3 process4 file5 86 C:\Users\user\AppData\Local\...\puttygen.exe, PE32 12->86 dropped 20 puttygen.exe 6 12->20         started        162 Tries to steal Mail credentials (via file / registry access) 15->162 164 Tries to harvest and steal ftp login credentials 15->164 166 Tries to harvest and steal browser information (history, passwords, etc) 15->166 168 2 other signatures 15->168 signatures6 process7 file8 68 C:\ProgramData\USOShared\WA6SVXJ6.exe, PE32 20->68 dropped 70 C:\ProgramData\Microsoft\...behaviorgraphOXSKHHS.exe, PE32+ 20->70 dropped 134 Multi AV Scanner detection for dropped file 20->134 24 WA6SVXJ6.exe 17 20 20->24         started        29 GOXSKHHS.exe 1 20->29         started        31 conhost.exe 20->31         started        signatures9 process10 dnsIp11 100 wahaaudit.ps 213.6.54.58, 443, 49715, 49722 PALTEL-ASPALTELAutonomousSystemPS Palestinian Territory Occupied 24->100 102 checkip.dyndns.com 158.101.44.242, 49706, 49717, 49718 ORACLE-BMC-31898US United States 24->102 104 kenesrakishev.net 162.213.251.134, 443, 49712, 49713 NAMECHEAP-NETUS United States 24->104 76 C:\Users\user\AppData\...\JavaUpdate.exe, PE32 24->76 dropped 78 C:\Users\user\AppData\...\tmpG453.tmp (copy), PE32 24->78 dropped 80 C:\Users\user\AppData\Local\Temp\Update.exe, PE32 24->80 dropped 140 Antivirus detection for dropped file 24->140 142 Multi AV Scanner detection for dropped file 24->142 144 Detected Agent Tesla keylogger 24->144 146 6 other signatures 24->146 33 Update.exe 24->33         started        file12 signatures13 process14 signatures15 114 Multi AV Scanner detection for dropped file 33->114 116 Detected unpacking (changes PE section rights) 33->116 118 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 33->118 120 4 other signatures 33->120 36 explorer.exe 33->36 injected process16 dnsIp17 94 175.126.109.15 SKB-ASSKBroadbandCoLtdKR Korea Republic of 36->94 96 193.142.59.12, 49747, 80 HOSTSLICK-GERMANYNL Netherlands 36->96 98 2 other IPs or domains 36->98 72 C:\Users\user\AppData\Local\Temp\6291.exe, PE32 36->72 dropped 74 C:\Users\user\AppData\Local\Temp\41AA.exe, PE32 36->74 dropped 136 System process connects to network (likely due to code injection or exploit) 36->136 138 Benign windows process drops PE files 36->138 41 6291.exe 36->41         started        45 41AA.exe 36->45         started        file18 signatures19 process20 file21 82 C:\Users\user\AppData\Local\...\nhdues.exe, PE32 41->82 dropped 148 Antivirus detection for dropped file 41->148 150 Detected unpacking (changes PE section rights) 41->150 152 Detected unpacking (overwrites its own PE header) 41->152 160 2 other signatures 41->160 47 nhdues.exe 41->47         started        52 WerFault.exe 41->52         started        54 WerFault.exe 41->54         started        58 5 other processes 41->58 84 C:\ProgramData\Qdsypeqeoasuop.tmp, DOS 45->84 dropped 154 Detected unpacking (creates a PE file in dynamic memory) 45->154 156 Found API chain indicative of debugger detection 45->156 158 May use the Tor software to hide its network traffic 45->158 56 rundll32.exe 45->56         started        signatures22 process23 dnsIp24 106 85.209.11.199, 49763, 49764, 80 SYNGB Russian Federation 47->106 60 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32+ 47->60 dropped 62 C:\Users\user\AppData\Roaming\...\clip64.dll, PE32 47->62 dropped 64 C:\Users\user\AppData\Local\...\clip64[1].dll, PE32 47->64 dropped 66 C:\Users\user\AppData\Local\...\cred64[1].dll, PE32+ 47->66 dropped 122 Creates an undocumented autostart registry key 47->122 108 185.4.65.42, 443, 49750 RECONNRU United Kingdom 56->108 110 45.136.49.68, 443, 49751 PELUCHE-ASES Estonia 56->110 112 37.59.205.1, 443, 49749, 49752 OVHFR France 56->112 124 System process connects to network (likely due to code injection or exploit) 56->124 file25 signatures26
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0b26d161a3fa6c2307c9f2b3fce0af244826d3d09023041b30dd1cfbff0f7572/
Threat name:
ByteCode-MSIL.Trojan.ZulsyCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-10-12 01:57:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bmtncynd7jwcgb6j6kz7zyfperecnu6qsarqigzq3uopx7ypovza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1be4551aa3f6e1c1e3ca71c9de748778f2280e45225c9abc439c79d6bb40919c
AgentTesla
276198e30803db7e1c567868cb302237b8a95b16fa2fb4e1ab607d880cf73ef4
AgentTesla
313897bcfd2d0d82e6f41eef6161976f84c602ebed626ee29feaec6ee36f2c94
AgentTesla
3d0d7f1b1716748154911a1e2e1a2c9d098b8dceda49938aff9ae66ece55b609
AgentTesla
4b145824b7d8925df8648316b35a8270a236517b0bbe23c879205901fb1af8ca
AgentTesla
630c670e2a7d49cba82a68aa324da4ea80e0cba429f2da39e52375aac154a283
AgentTesla
a77c3003795e0256c94937337cec5be20d883849bd77f940956607cdf719e637
AgentTesla
bafe48bb81775d723528b1d0604dd8cc754117e4f8a23bf5e4c589d00bc1dd0d
AgentTesla
d4fa689830e2d0b86a0035e3ef91ffa5957470e3c8f5bbbe815fee41fc83f2a2
AgentTesla
+ 53 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/231012-cc95ssbd49/
Unpacked files
SH256 hash:
21a58c4e3e2c5662146cde0f2a0e5ee7aa37303c27607c6f9897f9573f89994e
MD5 hash:
f90b86fc24d6247bed197752f30333ed
SHA1 hash:
63b7e1ce24c28004f5c96492f8b044927b49b671
Detections:
win_agent_tesla_g1
Create hunting rule
Link:
https://www.unpac.me/results/f018ae19-22bd-42b8-9885-53b5985b39bd/
Parent samples :
3d0d7f1b1716748154911a1e2e1a2c9d098b8dceda49938aff9ae66ece55b609
0b26d161a3fa6c2307c9f2b3fce0af244826d3d09023041b30dd1cfbff0f7572
SH256 hash:
d55800a825792f55999abdad199dfa54f3184417215a298910f2c12cd9cc31ee
MD5 hash:
bfb160a89f4a607a60464631ed3ed9fd
SHA1 hash:
1c981ef3eea8548a30e8d7bf8d0d61f9224288dd
Link:
https://www.unpac.me/results/f018ae19-22bd-42b8-9885-53b5985b39bd/
SH256 hash:
3d0d7f1b1716748154911a1e2e1a2c9d098b8dceda49938aff9ae66ece55b609
MD5 hash:
6f5e74c2848c9756dd41112719e7e9cd
SHA1 hash:
e5030297d59aac8453d6b2aeaf77c00b189fe6b9
Link:
https://www.unpac.me/results/f018ae19-22bd-42b8-9885-53b5985b39bd/
SH256 hash:
0b26d161a3fa6c2307c9f2b3fce0af244826d3d09023041b30dd1cfbff0f7572
MD5 hash:
898216b07bfc6b91d27e54ae329ad046
SHA1 hash:
4db2e5f9bf2b3a24054107997286d2a605d66568
Link:
https://www.unpac.me/results/f018ae19-22bd-42b8-9885-53b5985b39bd/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0b26d161a3fa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/0b26d161a3fa6c2307c9f2b3fce0af244826d3d09023041b30dd1cfbff0f7572

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:AgentTesla
Create hunting rule
Author:kevoreilly
Description:AgentTesla Payload
Rule name:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTesla_mod_tough_mem
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:agent_tesla
Create hunting rule
Author:Stormshield
Description:Detecting HTML strings used by Agent Tesla malware
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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/453618/

Comments