MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dc4cd5cf6cb54871f9deba8d8c39cf6856a149d4c099585c5555a810e1e96dd. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1dc4cd5cf6cb54871f9deba8d8c39cf6856a149d4c099585c5555a810e1e96dd
SHA3-384 hash: f8a68327562d2cc36288554a7ef96f47f4fd7e7df1eaae961356c915fe51824306130929920f8fb7edfcd21b537cf4bb
SHA1 hash: dc1e260383d22b281ccc831ea081e3f766b869a4
MD5 hash: 3cdd3a1a9d21ebe415c7fc9b72b3db56
humanhash: oranges-pizza-diet-bacon
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:700'416 bytes
First seen:2020-07-29 05:38:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:zb88FskRrjO5MXKeXt3nNEonZYekcz8vJTHGydVt:H8irq5qd3nNEwZfkczGJvt
Threatray 10'541 similar samples on MalwareBazaar
TLSH 51E47B0462C39C45C27FE23298984C24CFFEF542E9E7E39D7820B29E95B1257F486976
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ubuntu.boostinghe.com
Sending IP: 91.92.136.76
From: Marc Allenby <account1@sunbeampower.com>
Subject: RE: SOA
Attachment: SOA.ISO (contains "SOA.exe")

AgentTesla SMTP exfil server:
mail.targethyd.com:26

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34160/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401241
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252854 Sample: SOA.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 28 g.msn.com 2->28 30 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->30 36 Found malware configuration 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 Sigma detected: Scheduled temp file as task from temp location 2->40 42 5 other signatures 2->42 8 SOA.exe 5 2->8         started        12 wuapihost.exe 2->12         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->22 dropped 24 C:\Users\user\AppData\Local\...\tmp7D23.tmp, XML 8->24 dropped 26 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 8->26 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->46 48 Injects a PE file into a foreign processes 8->48 50 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->50 14 SOA.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        signatures6 process7 dnsIp8 32 targethyd.com 192.185.136.173, 26, 49730 UNIFIEDLAYER-AS-1US United States 14->32 34 mail.targethyd.com 14->34 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->52 54 Tries to steal Mail credentials (via file access) 14->54 56 Tries to harvest and steal ftp login credentials 14->56 58 2 other signatures 14->58 20 conhost.exe 18->20         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1dc4cd5cf6cb54871f9deba8d8c39cf6856a149d4c099585c5555a810e1e96dd/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 05:40:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dxcm2xhwznkioh455ounrq4462cwufe5jqezlbofkvnicdq6s3oq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'531 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200729-qtr7p8l9pn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/1dc4cd5cf6cb54871f9deba8d8c39cf6856a149d4c099585c5555a810e1e96dd

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

iso fddcc975196a5d8b1021aec9f4fe1ea520b8382b9866c67f3393cc303169b413

AgentTesla

Executable exe 1dc4cd5cf6cb54871f9deba8d8c39cf6856a149d4c099585c5555a810e1e96dd

(this sample)

  
Dropped by
MD5 fec906e18d8202e20123cb6db88d3018
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34160/
  
Dropped by
SHA256 fddcc975196a5d8b1021aec9f4fe1ea520b8382b9866c67f3393cc303169b413

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