MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1be4551aa3f6e1c1e3ca71c9de748778f2280e45225c9abc439c79d6bb40919c. 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 3 File information Comments
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SHA256 hash: 1be4551aa3f6e1c1e3ca71c9de748778f2280e45225c9abc439c79d6bb40919c
SHA3-384 hash: ad52ac0bc3295701d60afec380da1ff02bf5e8cc5a96bc11a9a7855a49e269c5ad6b70a0cd62b0f349741a526769101f
SHA1 hash: 47b13b7c8550cf8c628609491eee8a0303831a14
MD5 hash: cba9477f6c73dd481915e193f1177420
humanhash: sierra-shade-sixteen-massachusetts
File name:puttygen.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:3'089'408 bytes
First seen:2023-10-04 19:04:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:u023gQ0xsd1CNqcd2CTI1DxVrQEVlbHp6yIfpM3HQIeju+U/mm555P2BVXowmm5C:
Threatray 36 similar samples on MalwareBazaar
TLSH T1B2E589253DFB105DB3B3AE9A5FD8B8BF995EF673270A20B9206103468712D81CD91739
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 80dc8cb138dab2b6 (2 x AgentTesla)
Reporter vovaan
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
500
Origin country :
CH CH
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2424.15041.13099.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Verdict:
No Threat
Threat level:
  2.5/10
Confidence:
100%
Tags:
control fingerprint lolbin remote shell32 stealer
Link:
https://www.filescan.io/uploads/651db7615befb75cf3603a27/reports/17da1022-f48a-4854-b349-4f1eeac05d0b/overview
Verdict:
Malicious
Labled as:
MSIL.Binder.Generic
Link:
https://www.hybrid-analysis.com/sample/1be4551aa3f6e1c1e3ca71c9de748778f2280e45225c9abc439c79d6bb40919c
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e4b32806-990e-4dd1-8d51-4b2561de6e85
Result
Threat name:
Agent Tesla, AgentTesla
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Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319702
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
Contains functionality to capture screen (.Net source)
Detected Agent Tesla keylogger
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)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
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 AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1319702 Sample: puttygen.exe Startdate: 04/10/2023 Architecture: WINDOWS Score: 100 39 rakishev.org 2->39 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 8 other signatures 2->65 7 puttygen.exe 6 2->7         started        10 ooooooo.exe 14 16 2->10         started        14 ooooooo.exe 4 2->14         started        signatures3 process4 dnsIp5 29 C:\Users\user\AppData\Local\...\X5OE94CM.exe, PE32+ 7->29 dropped 31 C:\ProgramData\USOPrivate\W8GH0C53.exe, PE32 7->31 dropped 16 W8GH0C53.exe 18 20 7->16         started        21 X5OE94CM.exe 1 7->21         started        23 conhost.exe 7->23         started        41 checkip.dyndns.org 10->41 43 132.226.8.169, 49841, 49843, 80 UTMEMUS United States 10->43 49 2 other IPs or domains 10->49 67 Antivirus detection for dropped file 10->67 69 Detected Agent Tesla keylogger 10->69 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->71 73 8 other signatures 10->73 45 checkip.dyndns.org 14->45 47 checkip.dyndns.com 14->47 file6 signatures7 process8 dnsIp9 33 checkip.dyndns.org 16->33 35 checkip.dyndns.com 132.226.247.73, 80 UTMEMUS United States 16->35 37 4 other IPs or domains 16->37 25 C:\Users\user\AppData\Roaming\...\ooooooo.exe, PE32 16->25 dropped 27 C:\Users\user\AppData\...\tmpG643.tmp (copy), PE32 16->27 dropped 51 Antivirus detection for dropped file 16->51 53 Detected Agent Tesla keylogger 16->53 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->55 57 6 other signatures 16->57 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1be4551aa3f6e1c1e3ca71c9de748778f2280e45225c9abc439c79d6bb40919c/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
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Status:
Malicious
First seen:
2023-10-04 19:05:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dpsfkgvd63q4dy6kohe545ehpdzcqdsfejojvpcdtr45no2asgoa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0756a29169a580e220b87a4ce60cb7eac6e48ca708be937344127d2dad53f442
AgentTesla
0c70db6a9ca76b810f83954cfd531c69d437484d7346c11cb8234e600a1fa2c3
AgentTesla
297b6b9e2ea036c31d6847a448581f7caf185aa92ddbf4ea5fd1a9b5864d55e6
AgentTesla
2cddcb281a866b9161475a879856e59ecae640656c7cbaece0cc69f5c53ecd78
AgentTesla
313897bcfd2d0d82e6f41eef6161976f84c602ebed626ee29feaec6ee36f2c94
AgentTesla
4eda7fdcc6081486e3a840365c46e5d069fb5c521b9eecad775456fea48c9ab3
AgentTesla
5498127f11928bb91062949e7f2d2a140164036490563db5fcfb85c29e4d3e1f
AgentTesla
630c670e2a7d49cba82a68aa324da4ea80e0cba429f2da39e52375aac154a283
AgentTesla
6f7ca91ba97ef5763da989b082f5f48168ecd080d20867e90194759c5516f2c5
AgentTesla
a77c3003795e0256c94937337cec5be20d883849bd77f940956607cdf719e637
AgentTesla
+ 26 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/231004-xrhdjsed2v/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
4c01f6001c7fa1dd31432e881812fc1102768be977726f4067c2984a17fec851
MD5 hash:
cfae84ac330330e29f2d131375289d96
SHA1 hash:
52dee8f5d599a5e99bbe791e1b0452a798142b9f
Detections:
win_agent_tesla_g1
Create hunting rule
Link:
https://www.unpac.me/results/0b4f930b-3957-49e5-bb8f-7d66d6689b78/
SH256 hash:
d55800a825792f55999abdad199dfa54f3184417215a298910f2c12cd9cc31ee
MD5 hash:
bfb160a89f4a607a60464631ed3ed9fd
SHA1 hash:
1c981ef3eea8548a30e8d7bf8d0d61f9224288dd
Link:
https://www.unpac.me/results/0b4f930b-3957-49e5-bb8f-7d66d6689b78/
SH256 hash:
1be4551aa3f6e1c1e3ca71c9de748778f2280e45225c9abc439c79d6bb40919c
MD5 hash:
cba9477f6c73dd481915e193f1177420
SHA1 hash:
47b13b7c8550cf8c628609491eee8a0303831a14
Link:
https://www.unpac.me/results/0b4f930b-3957-49e5-bb8f-7d66d6689b78/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1be4551aa3f6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1be4551aa3f6e1c1e3ca71c9de748778f2280e45225c9abc439c79d6bb40919c

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:NET
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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.

Comments