MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1021556aef2e3dad9d256ffd84999019982f77bea0e32e7428a18f666fd7d12. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1021556aef2e3dad9d256ffd84999019982f77bea0e32e7428a18f666fd7d12
SHA3-384 hash: 0b2f34a67d5cdd53682f4e6f7937f1d9826900c0e60eed1c85ca39cd8293d5e9e59a6174a363a7b918a595cbc2d18b80
SHA1 hash: 1b512803f901a907d2a19e644c943fe8af09a80d
MD5 hash: 899fba96547d14cf0100b57a6cf8f9fd
humanhash: maryland-papa-oranges-spring
File name:P.O 20A00827.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:535'552 bytes
First seen:2020-05-27 06:45:48 UTC
Last seen:2020-05-27 08:17:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:11UjCScyWxR4VZWZvN3tZyFsfT2LdwLmCK/RACe2oGFLK8+KQRl1Xoc5n:15ScyU2LQvF2FsEChKS
Threatray 10'575 similar samples on MalwareBazaar
TLSH 87B4BE9C3650B5EFC45BC972DDA81C60AA60B87B530BD343A01322AD9E0E69BCF155F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.sgbcg.com
Sending IP: 113.11.251.241
From: Aini-Purchasing Dept. <aini@clover.com.my>
Subject: P.O 20A00827
Attachment: P.O 20A00827.zip (contains "P.O 20A00827.exe")

AgentTesla SMTP exfil server:
r112ds144.redewt.net:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.43229007.13607.17982.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-27 00:44:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0043a267bb9d97397eb15a8050ff107261ace407e9ad7e80ae32331e63d81139
AgentTesla
182d653261f5fba448be96bb945b80b743126ae268230405e181c5162eb6e2ac
AgentTesla
1aa9ef9f0878b8dc89b3f02d4c051a1d9fcca3af5dd90eb4722876eb841e961d
AgentTesla
316c1b0fdcdf09b8d30f3ca703b5d6dbdf8b6fc7098262da787a96ff631cf256
AgentTesla
68859b39bf8e3c300407069ca7a4b0928fe552a54b55f57cadbe9184d4e23bdd
AgentTesla
89c7e12a078b0cfd756c1e3c5f2ca8255a8c2f7f81b9c66404b33cab73ca9bd7
AgentTesla
91460c91d05256b76b68f3f1167e085e9a1f7dfcbe6bb2e89eeca610d7cb0d83
AgentTesla
c8cc1f9bf3d134207d5d35b40078ad7ba2d0eaa6882e7add77be921ac7a71e32
AgentTesla
cf927157736833cefb2d295baeaf8aab998c978ec326df974ed715c3d20b91a6
AgentTesla
fd88fa17d76588ec425e0bfe1ad1e5765dd5e6a81e32c7e30a88f7d3affd0731
AgentTesla
+ 10'565 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-lt6txnzhhs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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.

Malspam

AgentTesla

zip e8b8baa520eea96ff64604e734d7fcbdbb761eed654f9ef2964a9203c5fd7b86

AgentTesla

Executable exe a1021556aef2e3dad9d256ffd84999019982f77bea0e32e7428a18f666fd7d12

(this sample)

  
Dropped by
MD5 b287960251b5a4c3001e233ff40dffd7
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e8b8baa520eea96ff64604e734d7fcbdbb761eed654f9ef2964a9203c5fd7b86

Comments