MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62
SHA3-384 hash: c18c69ada0b248e953cd8841c181f3e7c33be03875f0652a51a67403d831b5aebefa9dabf1bb74160dad8713dd84c3d7
SHA1 hash: 14102ea7ea5f90ac22e0a824b4d3a0a41fdab57d
MD5 hash: 62b9923a4c681e6552f3074ad1069ef2
humanhash: eighteen-juliet-echo-avocado
File name:dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62
Download: download sample
Signature AgentTesla
Create hunting rule
File size:172'032 bytes
First seen:2023-06-12 09:37:16 UTC
Last seen:2023-06-19 07:42:26 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 3072:SIHVFK2vUzm7Zx99j5msYdCe6yMImchhk2MMcGzUk9SGcE5:SIjK69z6YyM6OWc
TLSH T10FF31768D2CB4D31F32E4074C4AD311816BAE1575617E75E0DA1ACF73E4AF83722E8A6
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62
Verdict:
Malicious activity
Analysis date:
2023-06-12 09:43:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/87876e70-703a-4cc8-81d0-122677539a73

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/397877/
Detection(s):
Win.Packed.Generic-10003641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
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:
hacktool lolbin packed
Link:
https://www.filescan.io/uploads/6486e78028381b85ed1a034b/reports/3a253e9c-e031-4445-9296-210ed52f34ed/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62
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/dc13ca62-851c-462a-ba32-6b5fc06bbb06
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1252876
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 885895 Sample: 3t7DoZ25Dn.exe Startdate: 12/06/2023 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 3 other signatures 2->36 5 sOFvE.exe 14 7 2->5         started        9 3t7DoZ25Dn.exe 17 10 2->9         started        12 sOFvE.exe 2 2->12         started        process3 dnsIp4 18 208.91.199.225, 49724, 587 PUBLIC-DOMAIN-REGISTRYUS United States 5->18 20 192.168.2.1, 49719 unknown unknown 5->20 22 api.ipify.org 5->22 38 Antivirus detection for dropped file 5->38 40 Multi AV Scanner detection for dropped file 5->40 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 5->42 52 2 other signatures 5->52 24 api4.ipify.org 173.231.16.76, 443, 49719, 49722 WEBNXUS United States 9->24 26 us2.smtp.mailhostbox.com 208.91.199.223, 49720, 49721, 49723 PUBLIC-DOMAIN-REGISTRYUS United States 9->26 28 api.ipify.org 9->28 14 C:\Users\user\AppData\Roaming\...\sOFvE.exe, PE32 9->14 dropped 16 C:\Users\user\...\sOFvE.exe:Zone.Identifier, ASCII 9->16 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->44 46 May check the online IP address of the machine 9->46 48 Tries to steal Mail credentials (via file / registry access) 9->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->50 file5 signatures6
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-06-12 09:38:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3q3ddwhopn4neog2hamnemnv7cu4wgz2mvagio3zfup4h2nhvnra._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230612-ll3azsbc28/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
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
AgentTesla
Unpacked files
SH256 hash:
dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62
MD5 hash:
62b9923a4c681e6552f3074ad1069ef2
SHA1 hash:
14102ea7ea5f90ac22e0a824b4d3a0a41fdab57d
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/7a3e58ea-6d64-4cac-a74a-490575296623/
Parent samples :
dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62
3a736b576c9acb60defc9fc65fdf2c20677df07068b805bcb1da3e05aeae72ab
0d49707dd3dc7f33643c03ec81f9dc60fdacb43d47a577f3a80eb6ffd2851254
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dc3631d8ee7b/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/dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62

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: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: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 dc3631d8ee7b78d238da3818d231b5f8a9cb1b3a6540643b792d1fc3e9a7ab62

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/397877/

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