MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91ad210dae91d724c701330e1ce8fd5047b8ee7a475d1dcc1474a812cab351ca. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91ad210dae91d724c701330e1ce8fd5047b8ee7a475d1dcc1474a812cab351ca
SHA3-384 hash: 8cd0030ccd18803034f4a528c82cd7d791bb1968d5d1ee7200511e6c3639b494e3d824b59be500bfd7b9af408923d332
SHA1 hash: 148cdc793d63cf6bdeef154cba4cfa85129a594b
MD5 hash: d841e73866568b599806d180cc3effa2
humanhash: tennis-ohio-nuts-east
File name:TT COPY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:322'560 bytes
First seen:2023-10-03 08:28:05 UTC
Last seen:2023-10-03 13:37:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'475 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:QZvY9ZG5JdAPshUr34VKAbinQeeTwVfRZqZNTfKSK:QZvYmndYshUr34YAb0hcByS
Threatray 4'311 similar samples on MalwareBazaar
TLSH T12864F81857585565C36F9234E051220DFEF0CA27A38A9B8F9C40F6FA9D6B7C0BA035E7
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 cocaman
Tags:AgentTesla exe payment

Intelligence

File Origin
# of uploads :
5
# of downloads :
301
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
TT COPY.exe
Verdict:
Malicious activity
Analysis date:
2023-10-03 08:30:52 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/18177614-e5f0-4381-97d1-72e9035b9042

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.4238.7758.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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
DNS 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
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/91ad210dae91d724c701330e1ce8fd5047b8ee7a475d1dcc1474a812cab351ca
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/60558de9-fc19-41da-ae04-03fec89d2fb1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1318540
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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: 1318540 Sample: TT_COPY.exe Startdate: 03/10/2023 Architecture: WINDOWS Score: 100 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 6 Puazrucmst.exe 14 5 2->6         started        10 TT_COPY.exe 16 5 2->10         started        13 Puazrucmst.exe 2->13         started        process3 dnsIp4 57 Multi AV Scanner detection for dropped file 6->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->59 61 May check the online IP address of the machine 6->61 63 Machine Learning detection for dropped file 6->63 15 Puazrucmst.exe 2 6->15         started        27 qu.ax 92.118.112.119, 443, 49783, 49786 GUDAEV-ASRU Russian Federation 10->27 25 C:\Users\user\AppData\...\Puazrucmst.exe, PE32 10->25 dropped 65 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->65 67 Injects a PE file into a foreign processes 10->67 19 TT_COPY.exe 2 10->19         started        21 Puazrucmst.exe 13->21         started        23 Puazrucmst.exe 13->23         started        file5 signatures6 process7 dnsIp8 29 104.237.62.212, 443, 49787, 49791 WEBNXUS United States 15->29 31 api.ipify.org 15->31 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->43 45 Tries to steal Mail credentials (via file / registry access) 15->45 33 api4.ipify.org 64.185.227.156, 443, 49784 WEBNXUS United States 19->33 35 premium89.web-hosting.com 63.250.38.2, 49785, 49788, 49793 NAMECHEAP-NETUS United States 19->35 37 api.ipify.org 19->37 39 192.168.2.1 unknown unknown 21->39 41 api.ipify.org 21->41 47 Tries to harvest and steal browser information (history, passwords, etc) 21->47 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91ad210dae91d724c701330e1ce8fd5047b8ee7a475d1dcc1474a812cab351ca/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-03 07:14:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgwscdnoshlsjrybgmhbz2h5kbd3r3t2i5or3tauosubfsvtkhfa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
113e16425e010952150f3c1f7ae615602cd4ca30826b0e7518aa058341058a94
AgentTesla
771ec2a2b691842fdb6ae7d67ec69d22911f2538120b522a0082038f2ce77aa9
AgentTesla
984be8706b65a53d26f032b9471751943cbf5e35d8c4baabcac153053949e283
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b0dae00efdb8e3e23450b7c29f558a85a82f5a95fa2a94718ee9afc7ea4ad5f0
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d5252b71a90d3ef290ff4a760b8cd4ec847feac8d5737eed43728bca34b2068b
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da316c99baf4e8e8e2df0d6d52a77774edb23a7375393a7b0b9414e8cb7b04a7
AgentTesla
de8e6844d70025d74f5d6fa8102f1bef0558cb4c27933e89b33c9bc73b6f11d9
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ed5d871ea2afdbdd66a20e04f156f2ecb0fa56e929aaeaa65779e37a13852e20
AgentTesla
+ 4'301 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/231003-kdjy1abc72/
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:
91ad210dae91d724c701330e1ce8fd5047b8ee7a475d1dcc1474a812cab351ca
MD5 hash:
d841e73866568b599806d180cc3effa2
SHA1 hash:
148cdc793d63cf6bdeef154cba4cfa85129a594b
Link:
https://www.unpac.me/results/5ad86299-f017-4d9a-9669-c1855c95d766/
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/91ad210dae91d724c701330e1ce8fd5047b8ee7a475d1dcc1474a812cab351ca

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: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.

Malspam

AgentTesla

rar 600cb7ae30ae443aa665bdf75816739fdf916e62f848cd53194e1a71b9559fc0

AgentTesla

Executable exe 91ad210dae91d724c701330e1ce8fd5047b8ee7a475d1dcc1474a812cab351ca

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 600cb7ae30ae443aa665bdf75816739fdf916e62f848cd53194e1a71b9559fc0
  
Dropped by
MD5 f112f9f94afaa8cefb40f29940e774d2

Comments