MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99ab6571c625004df68a09401b8aa87d6e3c7b86195b6a1be7f15bf48a01f24. 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: b99ab6571c625004df68a09401b8aa87d6e3c7b86195b6a1be7f15bf48a01f24
SHA3-384 hash: 7de11ae4cbbe6d230dc1e88d9a67ea78cf731f21468608046e4e588b6702664515bbe0f356bac1ebfdd7f84fded0bc3e
SHA1 hash: fe84380fc4af4273ff70c2ae83a474904047e470
MD5 hash: 70c02690cab6fe913fc0b77618565125
humanhash: uranus-blossom-oven-red
File name:PDF_43795379326436.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'513'984 bytes
First seen:2020-05-22 08:50:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:7tb20pkaCqT5TBWgNQ7agHviVNKSS6rbZ1gFYcfR20fsJe+6A:4Vg5tQ7agPiV8abwFbsn5
Threatray 10'913 similar samples on MalwareBazaar
TLSH 0C65DF1263DE8360C37E5173BA15B741AEBBF82506A1F47B2FD4C93CA9201215E1E66F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.strongmailvault.com
Sending IP: 111.90.144.214
From: office@jinpao.us
Subject: Request for Offer from ABB PG Switzerland Ltd.
Attachment: PDF_43795379326436.IMG (contains "PDF_43795379326436.exe")

AgentTesla SMTP exfil server:
smtp.studlandstol.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-22 09:09:37 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
22 of 31 (70.97%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
03705e80544a6e5a57ee2dd76695385f3ad3c889ccfac6ee3894fcb1d4cd8892
AgentTesla
183919b502e2e5f18730c75d890bfb9876a19f25372f8db41e1a7f7876ffbeaa
AgentTesla
3ea259504667c2d255d44b50a4fe2d7906b819ee0d4ddf77b954ffbb57ec4277
AgentTesla
42f7c2e83a58bc634ca3953f74a959e42d5124e2e09bf4c8e76ae285c61f784d
AgentTesla
4917103eef77ce8fd5beb88efd446180445e0ee6ac933f5e42443d3673d62bc8
AgentTesla
55186d3bb4e3ce65be62c13c079ea9cc24080a832954ec5c70d960365eaa9110
AgentTesla
d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61
AgentTesla
d0900fe175022f10e5e708578e76ddf9e7024e9e3c6142b4cf495f0a473c55e7
AgentTesla
ec66bb08e7be3e235c199b1f253e949fc4296b105b7046cca10ae732cf347873
AgentTesla
fcdb8c371542fc2042b02845f80960bf6f6cda5ce67a2f4d5a05501a1927887e
AgentTesla
+ 10'903 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-s6w945cgls/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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

img 31518f241d9ddb6d582d673386f7e9ddd44de3e976fed51f1448e179071c7fcc

AgentTesla

Executable exe b99ab6571c625004df68a09401b8aa87d6e3c7b86195b6a1be7f15bf48a01f24

(this sample)

  
Dropped by
MD5 053a5dcfcaf78fb1f773ffcbc826cb4c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 31518f241d9ddb6d582d673386f7e9ddd44de3e976fed51f1448e179071c7fcc

Comments