MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7ee1c6ebcc9675e5e1e3743b03a712c5e789f9b456275c05b35502bea6131e6. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: b7ee1c6ebcc9675e5e1e3743b03a712c5e789f9b456275c05b35502bea6131e6
SHA3-384 hash: d12df77cc042f2358acc1a641b79dc72caa1bf30b190f8b0fc8957c8935f063264582fa47609093470a445efb4479dc6
SHA1 hash: 9d6c3495865736235e55d8384832e9f09cb70896
MD5 hash: 45d964682ea37a0809803e813638017f
humanhash: island-twenty-pizza-floor
File name:Scan copy_001.exe
Download: download sample
Signature AgentTesla
File size:970'240 bytes
First seen:2021-08-11 10:52:01 UTC
Last seen:2021-08-11 12:17:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:ZXQZnf1pZRNtMLHK7zMWM9IZoFhK5zM66MXo8QR8T+JqS25lsxW9gf+NLIRljvfm:efXTs9Ktl7Yf2SoPfsMdIR9h
Threatray 8'803 similar samples on MalwareBazaar
TLSH T15525BFAE3250719FC877CA72C9685C54FB617866530BD607A01336ADEE6D98BCF201F2
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan copy_001.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 10:53:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 463259 Sample: Scan copy_001.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 47 shivsundaram.com 2->47 49 mail.shivsundaram.com 2->49 63 Found malware configuration 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected AgentTesla 2->67 69 8 other signatures 2->69 8 Scan copy_001.exe 7 2->8         started        12 NXLun.exe 2 2->12         started        14 NXLun.exe 1 2->14         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\FcKakBL.exe, PE32 8->35 dropped 37 C:\Users\user\...\FcKakBL.exe:Zone.Identifier, ASCII 8->37 dropped 39 C:\Users\user\AppData\Local\...\tmp6233.tmp, XML 8->39 dropped 41 C:\Users\user\...\Scan copy_001.exe.log, ASCII 8->41 dropped 71 Writes to foreign memory regions 8->71 73 Injects a PE file into a foreign processes 8->73 16 RegSvcs.exe 2 4 8->16         started        21 RegSvcs.exe 8->21         started        23 schtasks.exe 1 8->23         started        25 conhost.exe 12->25         started        27 conhost.exe 14->27         started        signatures6 process7 dnsIp8 43 shivsundaram.com 16->43 45 mail.shivsundaram.com 16->45 31 C:\Users\user\AppData\Roaming\...31XLun.exe, PE32 16->31 dropped 33 C:\Windows\System32\drivers\etc\hosts, ASCII 16->33 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->51 53 Tries to steal Mail credentials (via file access) 16->53 55 Tries to harvest and steal ftp login credentials 16->55 61 3 other signatures 16->61 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->59 29 conhost.exe 23->29         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-11 10:52:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
4be8a8068a6af5f1579c3db1043f5501d7445e88e67ad74480e573028ec2d1f8
MD5 hash:
57ffc50ebf655f02ca832b78be1389dc
SHA1 hash:
f93f0ed871bc64650f33d0227ed3a9d50522dd88
SH256 hash:
e0266a3f57b926c6c231f585efc44db13f1ed7fbfbfa585201314a9eb4a1f54d
MD5 hash:
4467470221d545425b9cf09141714444
SHA1 hash:
c4391651afca3d1feba328df38d0184227a2cc6f
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
SH256 hash:
b7ee1c6ebcc9675e5e1e3743b03a712c5e789f9b456275c05b35502bea6131e6
MD5 hash:
45d964682ea37a0809803e813638017f
SHA1 hash:
9d6c3495865736235e55d8384832e9f09cb70896
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe b7ee1c6ebcc9675e5e1e3743b03a712c5e789f9b456275c05b35502bea6131e6

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments