MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c93d7a579c3564a58ac04755cffbb3614aa63a9750cc0d5909f5e655e0386c9. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 1c93d7a579c3564a58ac04755cffbb3614aa63a9750cc0d5909f5e655e0386c9
SHA3-384 hash: 1df88ad5f854e7530d373dc84615083e83358682ec28045f4df1a440ef7a5af2783c1067f53a6526570ca484678794c5
SHA1 hash: 9ce808ca124f2289649ddd9cf520197495adc6bc
MD5 hash: f71865c0c0842821720f4b5fafb295e8
humanhash: hawaii-papa-blue-chicken
File name:DiZuqWMrmtygJwx.exe
Download: download sample
Signature AgentTesla
File size:695'296 bytes
First seen:2020-09-10 07:33:06 UTC
Last seen:2020-09-10 08:37:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'250 x SnakeKeylogger)
ssdeep 12288:hkyKmwIjnrHQzuQ19kbGLm6cc+G1xDv+7iRHgEx9Aft:hkyKmwk7cAZ6tTDv+VEnA
TLSH C0E4F13166945B50E03DA73A0034711057F2BE27F7A3E60F3EE972EA1A76F814766E06
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Modifying a system executable file
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 283863 Sample: DiZuqWMrmtygJwx.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 7 other signatures 2->39 7 DiZuqWMrmtygJwx.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\oCnvhJV.exe, PE32 7->19 dropped 21 C:\Users\user\...\oCnvhJV.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpEE9E.tmp, XML 7->23 dropped 25 C:\Users\user\...\DiZuqWMrmtygJwx.exe.log, ASCII 7->25 dropped 41 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Injects a PE file into a foreign processes 7->47 11 DiZuqWMrmtygJwx.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 redwevamaldives.com 185.99.1.5, 49730, 587 GLOBALHOST-BOSNIA-ASBA Bosnia and Herzegowina 11->27 29 mail.redwevamaldives.com 11->29 31 192.168.2.1 unknown unknown 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 2 other signatures 11->55 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Status:
Malicious
First seen:
2020-09-10 02:02:42 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware evasion trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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.

d74b3967a9789d7d51e9a5f5ae572d1460fb2d0e667e8f1ff92f97726717f2a7

AgentTesla

Executable exe 1c93d7a579c3564a58ac04755cffbb3614aa63a9750cc0d5909f5e655e0386c9

(this sample)

  
Dropped by
MD5 2b27fb867d5810359c410ec9616c4b0f
  
Dropped by
SHA256 d74b3967a9789d7d51e9a5f5ae572d1460fb2d0e667e8f1ff92f97726717f2a7
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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