MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4481204cfad76211d499d418edb29b8d1fb33910b97de5dac0ead7258df4064. 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: a4481204cfad76211d499d418edb29b8d1fb33910b97de5dac0ead7258df4064
SHA3-384 hash: b9559cca0a15547595d754ff750b357787ab15cbea5ffbd37c18348b6d3a4cb1d5627d1b8f6871ad8056c1ef6a6d2855
SHA1 hash: f1fd7e7fbdcfd7deddd7426cf56dfe2218c793b2
MD5 hash: 27c466c70e60445b429623de8101a6d5
humanhash: south-four-nebraska-thirteen
File name:Swift copy.exe
Download: download sample
Signature AgentTesla
File size:446'464 bytes
First seen:2021-10-20 09:44:32 UTC
Last seen:2021-10-20 12:02:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:G6XJYAA8IWFsaoPIQxVGT5N6jU/HOXHO:G6ZYAAz0oPISGTIU/UHO
Threatray 12'309 similar samples on MalwareBazaar
TLSH T13A94012237E4CE26D1AE13B699AE401407FAB8426423DB1B2DD633DE8D967E10D147DF
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
obfuscated packed
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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
Modifies the hosts file
Multi AV Scanner detection for dropped 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: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 506175 Sample: Swift copy.exe Startdate: 20/10/2021 Architecture: WINDOWS Score: 100 57 mail.ekdantlab.co.in 2->57 59 ekdantlab.co.in 2->59 69 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->69 71 Found malware configuration 2->71 73 Multi AV Scanner detection for dropped file 2->73 75 12 other signatures 2->75 8 Swift copy.exe 7 2->8         started        12 DnDcR.exe 5 2->12         started        14 DnDcR.exe 2->14         started        signatures3 process4 file5 45 C:\Users\user\AppData\Roaming\tFFJSJku.exe, PE32 8->45 dropped 47 C:\Users\...\tFFJSJku.exe:Zone.Identifier, ASCII 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmp11D4.tmp, XML 8->49 dropped 51 C:\Users\user\AppData\...\Swift copy.exe.log, ASCII 8->51 dropped 77 Adds a directory exclusion to Windows Defender 8->77 16 Swift copy.exe 2 5 8->16         started        21 powershell.exe 22 8->21         started        23 schtasks.exe 1 8->23         started        79 Multi AV Scanner detection for dropped file 12->79 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->81 83 Machine Learning detection for dropped file 12->83 85 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->85 25 DnDcR.exe 12->25         started        27 powershell.exe 12->27         started        29 schtasks.exe 12->29         started        signatures6 process7 dnsIp8 53 mail.ekdantlab.co.in 16->53 55 ekdantlab.co.in 16->55 39 C:\Users\user\AppData\Roaming\...\DnDcR.exe, PE32 16->39 dropped 41 C:\Users\user\...\DnDcR.exe:Zone.Identifier, ASCII 16->41 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->61 63 Tries to steal Mail credentials (via file access) 16->63 65 Tries to harvest and steal ftp login credentials 16->65 67 3 other signatures 16->67 31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        43 C:\Windows\System32\drivers\etc\hosts, ASCII 25->43 dropped 35 conhost.exe 27->35         started        37 conhost.exe 29->37         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2021-10-20 09:45:06 UTC
AV detection:
7 of 37 (18.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a4a359be962e06319a57b9973db4103c9cf0bd8df75e429efa1a2899e10906fc
MD5 hash:
cac9a789d9f849e92f7a7451fcb5699b
SHA1 hash:
8c1efbe71b475f246488b44e494313fccd76ba0a
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
SH256 hash:
cf7bcf328c39f416da19f07ef81346f5378250adf5a9a26e3364b40455a58fea
MD5 hash:
edbe137d10a6ab3af6589946ee4d08fa
SHA1 hash:
12f87a3518c8f01c885bb47a33ba0f23b6537dc3
SH256 hash:
a4481204cfad76211d499d418edb29b8d1fb33910b97de5dac0ead7258df4064
MD5 hash:
27c466c70e60445b429623de8101a6d5
SHA1 hash:
f1fd7e7fbdcfd7deddd7426cf56dfe2218c793b2
Malware family:
Agent Tesla v3
Verdict:
Malicious
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 a4481204cfad76211d499d418edb29b8d1fb33910b97de5dac0ead7258df4064

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments