MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5aafde9ec3711992c73ffeabb62dbbc2f9cd2b0d398ba7783d7890f0704af0. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c5aafde9ec3711992c73ffeabb62dbbc2f9cd2b0d398ba7783d7890f0704af0
SHA3-384 hash: 40328f5eecf3294083febfa50b513e605335537de6375872d99aa367b8a3c01f021dd27e0d9526493a336bdb244e6dd3
SHA1 hash: 048ddfd229c2b05a3a54191fb5608eec7344ba8c
MD5 hash: a740cb29c91bcad28266378943b0dc01
humanhash: gee-carbon-sierra-nebraska
File name:a740cb29c91bcad28266378943b0dc01
Download: download sample
Signature AgentTesla
Create hunting rule
File size:196'268 bytes
First seen:2023-07-03 09:02:24 UTC
Last seen:2023-07-05 13:23:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 3072:HfY/TU9fE9PEtuqbbi2jhnrE0kWFNwrzRwlzM8Pmw1bPhYNonE3znZJRjAFfXmKs:/Ya6ibpjuLWFKXRQzLOw0NonYJxCbopb
Threatray 4'369 similar samples on MalwareBazaar
TLSH T10B140104BB84D053ECB65B724F7FA7A24FA9DA2634B8970F47044B5CB972182980F7B1
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
262
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
a740cb29c91bcad28266378943b0dc01
Verdict:
Malicious activity
Analysis date:
2023-07-03 09:05:27 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/ee43da57-061b-4784-8d73-26e066d54c50

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/405802/
Detection(s):
SecuriteInfo.com.Variant.Tedy.391406.22502.23315.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/95229/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64a28ecb204315fbc16c6f42/reports/16f04d18-9382-4cc3-abc8-ca6a5d826273/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4c5aafde9ec3711992c73ffeabb62dbbc2f9cd2b0d398ba7783d7890f0704af0
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/73f24351-4196-4cbe-b52c-69595aeaa679
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1265682
Signature
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 898709 Sample: rdMESHsIMJ.exe Startdate: 03/07/2023 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 3 other signatures 2->48 6 oxttdmmirr.exe 19 2->6         started        10 rdMESHsIMJ.exe 1 21 2->10         started        12 oxttdmmirr.exe 19 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\...\ysoqxc.dll, PE32 6->22 dropped 50 Multi AV Scanner detection for dropped file 6->50 52 Detected unpacking (creates a PE file in dynamic memory) 6->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->54 56 Machine Learning detection for dropped file 6->56 14 oxttdmmirr.exe 14 2 6->14         started        24 C:\Users\user\AppData\...\oxttdmmirr.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...\ysoqxc.dll, PE32 10->26 dropped 58 May check the online IP address of the machine 10->58 60 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->60 62 Maps a DLL or memory area into another process 10->62 18 rdMESHsIMJ.exe 15 2 10->18         started        28 C:\Users\user\AppData\Local\...\ysoqxc.dll, PE32 12->28 dropped 20 oxttdmmirr.exe 2 12->20         started        signatures5 process6 dnsIp7 30 173.231.16.76, 443, 49709, 49711 WEBNXUS United States 14->30 32 api.ipify.org 14->32 34 api4.ipify.org 64.185.227.156, 443, 49707 WEBNXUS United States 18->34 36 sh003.webhostbox.net 162.241.27.12, 49708, 49710, 49712 UNIFIEDLAYER-AS-1US United States 18->36 38 api.ipify.org 18->38 40 api.ipify.org 20->40 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->64 66 Tries to steal Mail credentials (via file / registry access) 20->66 68 Tries to harvest and steal browser information (history, passwords, etc) 20->68 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c5aafde9ec3711992c73ffeabb62dbbc2f9cd2b0d398ba7783d7890f0704af0/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-07-03 05:42:45 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrnk7xu6ynyrtewhh77kxnrnxpbpttjlbu4yxj3yhv4jb4dqjlya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0cc8d93630b4068b0b72119c061925754274478463014d05696a34603f88eaf7
AgentTesla
2c5117280800871fbceb13a571a8d602c17f3c08247c8ccf546bb9dc8adda73e
AgentTesla
51f801db0d98833131185353dd344e17d432aa84caa8ad27df9a5851cdb30f2b
AgentTesla
60221fe8c0c8b95270816c5f36f3e5c0f01cede1c822a7d7a115189dc78a0cb5
AgentTesla
7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91
AgentTesla
8729ea2e975594942343d1407bd47345daa356b354986bbc6efe9a86fbd3ca19
AgentTesla
bb992023216a9723d9157cacbe3f2dec846902eacce0122734d6111c85ee6309
AgentTesla
c34e7d631363ca2e25efa585c43abffbbed3219195715a6f5f39a8b50f287127
AgentTesla
+ 4'359 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/230703-kz15eafg46/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
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
UPX packed file
AgentTesla
Unpacked files
SH256 hash:
4c5aafde9ec3711992c73ffeabb62dbbc2f9cd2b0d398ba7783d7890f0704af0
MD5 hash:
a740cb29c91bcad28266378943b0dc01
SHA1 hash:
048ddfd229c2b05a3a54191fb5608eec7344ba8c
Link:
https://www.unpac.me/results/96229680-6a76-47f7-b5c4-80f311eca477/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c5aafde9ec3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Web download

AgentTesla

Executable exe 4c5aafde9ec3711992c73ffeabb62dbbc2f9cd2b0d398ba7783d7890f0704af0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2675863/
Cape
Cape
https://www.capesandbox.com/analysis/405802/

Comments


Avatar
zbet commented on 2023-07-03 09:02:25 UTC

url : hxxp://23.94.148.6/now.exe