MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c961a1c23fe7e6704d8c4b718815dd0d1f93804de28756fb44ab0d6aa70776a1. 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: c961a1c23fe7e6704d8c4b718815dd0d1f93804de28756fb44ab0d6aa70776a1
SHA3-384 hash: 7ef29467c75d9b851d9087410de083df849f898c4482c8bf5317e183ac6d54a8283631d1c06e735d229d3ac792d85eb0
SHA1 hash: 42e118b3aca4dc49caaf5a3169ebe474bc28606c
MD5 hash: 414d1f9976817487b28a28cfdc0d960d
humanhash: maryland-queen-michigan-zulu
File name:SecuriteInfo.com.Win32.DropperX-gen.8445.8786
Download: download sample
Signature AgentTesla
Create hunting rule
File size:786'944 bytes
First seen:2023-10-04 01:31:15 UTC
Last seen:2023-10-04 13:07:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:g0K5CQib08Kdh/PXO7XHVn+2rH2KttagIBxjXvX:rRnev
Threatray 11 similar samples on MalwareBazaar
TLSH T196F4A403BA67C6A2E2491772F1BB5C04D3E1F983732BD71AB94E23A615033AB9F45507
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
322
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.8445.8786.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade packed replace
Link:
https://www.filescan.io/uploads/651cc092be42b2ac8e599e4d/reports/10390870-acfa-4777-82ec-812ae8c661b0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/c961a1c23fe7e6704d8c4b718815dd0d1f93804de28756fb44ab0d6aa70776a1
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d2a0e752-4ef1-4de5-b352-81abe07cd06f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319134
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1319134 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 04/10/2023 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 6 other signatures 2->51 6 Zqyby.exe 14 5 2->6         started        10 SecuriteInfo.com.Win32.DropperX-gen.8445.8786.exe 16 5 2->10         started        13 Zqyby.exe 2->13         started        process3 dnsIp4 25 192.168.2.1 unknown unknown 6->25 53 Antivirus detection for dropped file 6->53 55 Multi AV Scanner detection for dropped file 6->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->57 59 Machine Learning detection for dropped file 6->59 15 Zqyby.exe 2 6->15         started        27 qu.ax 92.118.112.4, 443, 49799, 49802 GUDAEV-ASRU Russian Federation 10->27 23 C:\Users\user\AppData\Roaming\Zqyby.exe, PE32 10->23 dropped 61 May check the online IP address of the machine 10->61 63 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->63 65 Injects a PE file into a foreign processes 10->65 19 SecuriteInfo.com.Win32.DropperX-gen.8445.8786.exe 2 10->19         started        21 Zqyby.exe 13->21         started        file5 signatures6 process7 dnsIp8 29 api.ipify.org 15->29 31 api4.ipify.org 173.231.16.77, 443, 49800, 49803 WEBNXUS United States 19->31 33 premium89.web-hosting.com 63.250.38.2, 49801, 49804, 49821 NAMECHEAP-NETUS United States 19->33 35 api.ipify.org 19->35 37 api.ipify.org 21->37 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->39 41 Tries to steal Mail credentials (via file / registry access) 21->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c961a1c23fe7e6704d8c4b718815dd0d1f93804de28756fb44ab0d6aa70776a1/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-10-03 23:23:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 33 (57.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfq2dqr747thatmmjnyyqfo5bupzhacn4kdvn62evmgwvjyho2qq._file
Verdict:
malicious
Similar samples:
007cfdd9d19a225b749811f15daee02016824bfd2fbb63934ff4df18ed59eeff
AgentTesla
10c3ade35a4335bd3c404789a75cc98b4b28a12468db7f8fd6e94d468e0bad7e
AgentTesla
50fab7e7c50e5cded050887693996292a8e546064e8e69c8826ca8f8f7b03242
AgentTesla
6490e5498bf6ca3c0b3cb40d581e019e8c4135fd8bc49580c30160f6b02450c6
AgentTesla
7d66d00114a19baf515b19caaa434a322dd3c5f88f015e69cffc0f0257f63668
AgentTesla
b0dae00efdb8e3e23450b7c29f558a85a82f5a95fa2a94718ee9afc7ea4ad5f0
AgentTesla
b835220d18074195e2df569e8088470b7f400c334aef1dd54dfe30e2019dab7a
AgentTesla
d66f5288a48f0e4e35601236c1521ac742420c3e127b11aa190fc54b7ad85ad5
AgentTesla
f5c9c18ccaa6f832b0b5e79345b5442c799774303bf84ea96f45d3c21b2a1f6b
AgentTesla
+ 1 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/231004-bxyf3aac59/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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:
c961a1c23fe7e6704d8c4b718815dd0d1f93804de28756fb44ab0d6aa70776a1
MD5 hash:
414d1f9976817487b28a28cfdc0d960d
SHA1 hash:
42e118b3aca4dc49caaf5a3169ebe474bc28606c
Link:
https://www.unpac.me/results/6a87b836-d259-4825-9160-b934fb0bb67b/
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/c961a1c23fe7e6704d8c4b718815dd0d1f93804de28756fb44ab0d6aa70776a1

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
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.

Malspam

AgentTesla

rar c8987679352e5468aa73e671a09b9cdef78b3283b3483964ec8abb1d996c783b

AgentTesla

Executable exe c961a1c23fe7e6704d8c4b718815dd0d1f93804de28756fb44ab0d6aa70776a1

(this sample)

  
Dropped by
SHA256 c8987679352e5468aa73e671a09b9cdef78b3283b3483964ec8abb1d996c783b
  
Dropped by
MD5 df12c8c571ce7d75075c3ef567deaf2e

Comments