MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99
SHA3-384 hash: a99f4d097c851096552200023d1e771993548c24bc6d7e57ef74e7e9d6a02cecbe3156af010c37daa33b9ca4b24e43e4
SHA1 hash: aa9463a0c182c007b17b67c85ed60a820a228894
MD5 hash: cd7657049e05a846a1a54b4520b53bd2
humanhash: twelve-illinois-lactose-snake
File name:Quotation Request MV Southern Sunset V.100392-Home_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:881'664 bytes
First seen:2024-02-05 08:33:15 UTC
Last seen:2024-02-15 11:02:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Loh/FJkD9c3hUKuiifhyTwkOcEUs04I5cJjOjAuLYgMwrgyN4tl+SThujGeZHDQd:LiO9cxju6II5M+AhA4uST4jx1D2nHI
Threatray 100 similar samples on MalwareBazaar
TLSH T17915129472F45B06D9BF4BF6E5350641437B366AB463E70C8D80A1CB7E92B918A07B0F
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 61494d71d0d0e069 (3 x AgentTesla, 3 x Formbook, 1 x RemcosRAT)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
285
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/474632/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65c09d804f733f8cc1c0684c/reports/2b864cc5-2992-4c48-ad4a-5090581bae2d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99
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/63f728ff-9f7f-40c2-ab32-31291927d4fd
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1386636
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1386636 Sample: Quotation_Request_MV_Southe... Startdate: 05/02/2024 Architecture: WINDOWS Score: 100 61 mail.guestequipment.com.au 2->61 63 ip-api.com 2->63 65 guestequipment.com.au 2->65 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 11 other signatures 2->77 8 Quotation_Request_MV_Southern_Sunset_V.100392-Home_pdf.exe 7 2->8         started        12 diQsaUeDpHv.exe 2->12         started        14 newfile.exe 2->14         started        16 newfile.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\diQsaUeDpHv.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmp9303.tmp, XML 8->59 dropped 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->87 89 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->89 91 Uses schtasks.exe or at.exe to add and modify task schedules 8->91 99 2 other signatures 8->99 18 Quotation_Request_MV_Southern_Sunset_V.100392-Home_pdf.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        33 2 other processes 8->33 93 Multi AV Scanner detection for dropped file 12->93 95 Machine Learning detection for dropped file 12->95 97 Injects a PE file into a foreign processes 12->97 25 diQsaUeDpHv.exe 12->25         started        35 2 other processes 12->35 27 newfile.exe 14->27         started        29 schtasks.exe 14->29         started        31 newfile.exe 16->31         started        37 3 other processes 16->37 signatures6 process7 dnsIp8 67 ip-api.com 208.95.112.1, 49733, 49736, 49744 TUT-ASUS United States 18->67 69 guestequipment.com.au 27.54.88.193, 26, 49735, 49737 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 18->69 53 C:\Users\user\AppData\Roaming\...\newfile.exe, PE32 18->53 dropped 55 C:\Users\user\...\newfile.exe:Zone.Identifier, ASCII 18->55 dropped 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->79 81 Tries to steal Mail credentials (via file / registry access) 18->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->83 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 29->43         started        85 Tries to harvest and steal browser information (history, passwords, etc) 31->85 45 conhost.exe 33->45         started        47 conhost.exe 33->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-02-05 04:22:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hqyzi3b2fohysk25n2wzxrqtthbjsdbibjwwsbo4ixr3jlaph6mq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
15de6d1a92b4f26a9220a4f8e38d3c774b0f294d311886d23ffd1c99d493d7f0
AgentTesla
18a28d815375c485b44c9ff8ffef19411083d9bee508e7c52d85ed4edcca5b12
AgentTesla
324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e
AgentTesla
3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99
AgentTesla
4395c99fa35afdb0521c7ed730f6a66bf427955f145cdfd40cc5de6986f5acc3
AgentTesla
56186e8da853b2cabf3e4679d54e6d0218230de21949efbbd46744d1c241e6be
AgentTesla
+ 90 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240205-kggcaadgfn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
893f4dc8f8a1dcee05a0840988cf90bc93c1cda5b414f35a6adb5e9f40678ce9
MD5 hash:
611687468e61d078451da95ce208d786
SHA1 hash:
e3ce65408af1c58e6b2a06e64e61e9a22e5969dc
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/d9e9a5b1-e781-4acf-8f18-1cd9b3efe97d/
Parent samples :
893f4dc8f8a1dcee05a0840988cf90bc93c1cda5b414f35a6adb5e9f40678ce9
3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99
19a9be9c599e9d453d07a0f5d72e891ec5b978d47c54ebfff855f9aa2b0994d4
SH256 hash:
9f430b4a8ff4665e7d33b96c11e36d97a032a6d84f203edc35c8f0e6e6aef6bb
MD5 hash:
5b6474a24443c602a6c58f2c1ce2de7f
SHA1 hash:
794b3a21142d5ad52e2de09c7e1d8ec43e11db07
Link:
https://www.unpac.me/results/d9e9a5b1-e781-4acf-8f18-1cd9b3efe97d/
SH256 hash:
5fe50b7d9a6e9214e727581ebb1dfeb43e175c39ba3966684030f5da4c0c64bf
MD5 hash:
f6b2186dd134aed59815a420cc5ccc8c
SHA1 hash:
569326a8f69da0b50854f18c86805b019cd902fd
Link:
https://www.unpac.me/results/d9e9a5b1-e781-4acf-8f18-1cd9b3efe97d/
SH256 hash:
1474301b92e8e5a5d122771f66dded37a613cc06530b2a67c8fdc6aa70cb6cf0
MD5 hash:
c5e4dabce2e1120c7ac35bf8e941452f
SHA1 hash:
07a0f4f5c4c3197891b5fc3c2e48c633e54a657d
Link:
https://www.unpac.me/results/d9e9a5b1-e781-4acf-8f18-1cd9b3efe97d/
SH256 hash:
731223cc23140a70d6d7cb3a6894c8fc27b742b1f3dba02ffc82a0809ad4951e
MD5 hash:
7e817168f5b53affbea32c93db801a7e
SHA1 hash:
33c1e77ff5a4e446f0e6aefc68251be343ec38b9
Link:
https://www.unpac.me/results/d9e9a5b1-e781-4acf-8f18-1cd9b3efe97d/
SH256 hash:
3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99
MD5 hash:
cd7657049e05a846a1a54b4520b53bd2
SHA1 hash:
aa9463a0c182c007b17b67c85ed60a820a228894
Link:
https://www.unpac.me/results/d9e9a5b1-e781-4acf-8f18-1cd9b3efe97d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c31946c3a2b/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/3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99

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

Executable exe 3c31946c3a2b8f892b5d6ead9bc61399c2990c280a6d6905dc45e3b4ac0f3f99

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/474632/

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