MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c291e6c494a710b5e56dc28b38429404ec282184fd6127c3fea34454d8df071d. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: c291e6c494a710b5e56dc28b38429404ec282184fd6127c3fea34454d8df071d
SHA3-384 hash: 188e5e176e2bf6e372d62c86136a7c76278b0311a9c1b68e1dc54d79d124ab33e9bd6c611d83b7035ba633faa5bd2c0a
SHA1 hash: 03f86806a5ce374812839967e068a17454c1d31a
MD5 hash: 7dd4dad544750a409e4b8894d303e2bf
humanhash: uniform-comet-bluebird-friend
File name:Payment Slip.exe
Download: download sample
Signature AgentTesla
File size:825'344 bytes
First seen:2021-09-09 08:16:57 UTC
Last seen:2021-09-09 13:41:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:b6NZsHjhMVif7gWWUiGODQO2NQG3I9M7p8zwBO3+VUPObK1Cnf2VtYLrlz1+e+:HHjhngSiGYfW3l7p8zhHwl
Threatray 10'127 similar samples on MalwareBazaar
TLSH T1BF05392439EF501DF273BF764EE474D6AA6FBA633606D45D1091038B0A23F81DE9163A
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Slip.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-09 08:19:49 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
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
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)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Modifies the hosts 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)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 480357 Sample: Payment Slip.exe Startdate: 09/09/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Yara detected AgentTesla 2->47 49 Yara detected AntiVM3 2->49 51 5 other signatures 2->51 6 Payment Slip.exe 3 2->6         started        10 NXLun.exe 2 2->10         started        12 NXLun.exe 1 2->12         started        process3 file4 25 C:\Users\user\...\Payment Slip.exe.log, ASCII 6->25 dropped 53 Sample uses process hollowing technique 6->53 14 RegSvcs.exe 2 4 6->14         started        19 RegSvcs.exe 6->19         started        21 conhost.exe 10->21         started        23 conhost.exe 12->23         started        signatures5 process6 dnsIp7 31 uscentral50.myserverhosts.com 174.136.12.72, 49776, 587 ASMALLORANGE1US United States 14->31 27 C:\Users\user\AppData\Roaming\...27XLun.exe, PE32 14->27 dropped 29 C:\Windows\System32\drivers\etc\hosts, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 43 3 other signatures 14->43 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->41 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-09 07:24:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
95cafa7a3d8539b66709617888b252de1c7a65dd51c04224928034f80c59064a
MD5 hash:
1c982cd1831c638c0ea67b700e983acf
SHA1 hash:
432e57a6d5f5e1bb930289c6b21f0a2c05b1b398
SH256 hash:
d8903e5ea08eef6fec418cbcc6d42bc185e6cbea0e732169949e7616cc47e619
MD5 hash:
32fe86663119fde1e4187cfcb7d932aa
SHA1 hash:
2b509823cf449f07c8c01312d8f3f3f9e778acf8
SH256 hash:
c291e6c494a710b5e56dc28b38429404ec282184fd6127c3fea34454d8df071d
MD5 hash:
7dd4dad544750a409e4b8894d303e2bf
SHA1 hash:
03f86806a5ce374812839967e068a17454c1d31a
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe c291e6c494a710b5e56dc28b38429404ec282184fd6127c3fea34454d8df071d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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