MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 495e9ebe1fbfbf25badfd0939e784abd7ea0e6109a4d455680785597692a51b0. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 495e9ebe1fbfbf25badfd0939e784abd7ea0e6109a4d455680785597692a51b0
SHA3-384 hash: 40a924188e76e61189436e74d7288d4d0744bdd9d3cdf1e5bb7459b7683525fed844ef18f5e0951fbb85df8ef4e12408
SHA1 hash: 0c65be1448c2cd8d1dd5bec0f5a832263d709797
MD5 hash: 99a483d2bfd49141e51c5792ab7ce04d
humanhash: august-earth-vermont-neptune
File name:Document for ship by air.exe
Download: download sample
Signature AgentTesla
File size:739'840 bytes
First seen:2021-03-08 12:58:45 UTC
Last seen:2021-03-10 00:02:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1k4hSl60BPd+baRTvVUJManiRI9ilTMqIxH:1kt9+baRT92VnWTIxH
Threatray 3'064 similar samples on MalwareBazaar
TLSH 6AF4D36601FFE9E3E5582379D023066A0F64BF719B2EC98D2AE139F4E631F542016D4E
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
4
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Document for ship by air.exe
Verdict:
Malicious activity
Analysis date:
2021-03-08 13:00:34 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
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
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Modifies the hosts file
Multi AV Scanner detection for domain / URL
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364556 Sample: Document for ship by air.exe Startdate: 08/03/2021 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 9 other signatures 2->56 7 Document for ship by air.exe 6 2->7         started        11 lEmohP.exe 2 2->11         started        13 lEmohP.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\Local\...\tmpF149.tmp, XML 7->32 dropped 34 C:\Users\...\Document for ship by air.exe.log, ASCII 7->34 dropped 36 C:\Users\user\AppData\Roaming36NvKZn.exe, PE32 7->36 dropped 58 Writes to foreign memory regions 7->58 60 Injects a PE file into a foreign processes 7->60 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 transgear.in 204.11.58.28, 49756, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->38 40 mail.transgear.in 15->40 28 C:\Users\user\AppData\Roaming\...\lEmohP.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-08 02:13:37 UTC
AV detection:
22 of 46 (47.83%)
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:
1510861928b533e1529c1ffe7c6d57d9e5e928830d0afb28fd0fa730ff83fbdc
MD5 hash:
8f85df46a482b5b068ae7667bf1a33d6
SHA1 hash:
a210d369311aa4d709dc962c634174738576907e
SH256 hash:
8d73a5bb828393d20183aaf834092b5dc233f94636c6edba396b41c039f31ed6
MD5 hash:
dc47fd3a876fe9dbb9a72d24fd6b9492
SHA1 hash:
6ba5cba31e4c8933d2527b3d44483adc455f8667
SH256 hash:
a9c1fc65afb8a5af7af4f2f7825f55e9cc5d3f1ecf19e2155eca3cc7057ee677
MD5 hash:
422e369027b127adc789bb9893044aaf
SHA1 hash:
35a1dccf0522bac4db6872aa3657a5bc83c55efe
SH256 hash:
495e9ebe1fbfbf25badfd0939e784abd7ea0e6109a4d455680785597692a51b0
MD5 hash:
99a483d2bfd49141e51c5792ab7ce04d
SHA1 hash:
0c65be1448c2cd8d1dd5bec0f5a832263d709797
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 495e9ebe1fbfbf25badfd0939e784abd7ea0e6109a4d455680785597692a51b0

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments