MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02261d11f15d4b62340ceed9b3ab2e1520ed3206ba85331be8a775426969ba1d. 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


Intelligence 9 File information Yara 3 Comments

SHA256 hash: 02261d11f15d4b62340ceed9b3ab2e1520ed3206ba85331be8a775426969ba1d
SHA3-384 hash: 08783f0a49a329578b64ea2b13ce1c201921e978aeca28289e6fc205a77a5edfeb8382e304cf8966d3312160f26d5575
SHA1 hash: 0e2c6bf9dcbfdd7b32e0c8498256ba5f58da6099
MD5 hash: 9b65bdf577ccfeacc1abb78248f96fc4
humanhash: pasta-connecticut-video-three
File name:FriKanya.exe
Download: download sample
Signature AgentTesla
File size:760'320 bytes
First seen:2020-07-31 16:15:34 UTC
Last seen:2020-08-02 07:34:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 6144:GHAgbCa8sGQT0RyxUBKogfMKtaw7oDPJ954Us3HjfhJ3Bmj3OBL9qv2ynQsb8os:GHX8kTGEUoogfMKj0DBEUYKcyQsQo
TLSH 55F4173C3AC2D014E83E097586A49AD17271B68B7B12C74F79D6079C6F126EF3B1B14A
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: mail.sharpsing.com
Sending IP: 175.45.16.2
From: Elise VILLE <e.ville@sharpsing.com>
Subject: FW:PO_10032885_Mahler-Besse_2_16_2020_1207.xls
Attachment: PO_10032885_Mahler-Besse_2_16_2020_1207.xls.xlsm

AgentTesla payload URL:
http://baolanh.vn/modules/jmsslider/views/img/layers/FriKanya.exe

AgentTesla SMTP exfil server:
mail.cam-asean.com:587

Intelligence


File Origin
# of uploads :
4
# of downloads :
52
Origin country :
CH CH
Mail intelligence
No data
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
Writes to foreign memory regions
Yara detected Agent Tesla Trojan
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255479 Sample: FriKanya.exe Startdate: 01/08/2020 Architecture: WINDOWS Score: 100 28 g.msn.com 2->28 30 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->30 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Yara detected AgentTesla 2->50 52 3 other signatures 2->52 7 FriKanya.exe 4 2->7         started        11 MyKanyAasean.exe 2 2->11         started        13 MyKanyAasean.exe 1 2->13         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->26 dropped 54 Writes to foreign memory regions 7->54 56 Allocates memory in foreign processes 7->56 58 Injects a PE file into a foreign processes 7->58 15 AddInProcess32.exe 17 16 7->15         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        signatures6 process7 dnsIp8 32 mail.cam-asean.com 107.180.12.39, 49744, 587 AS-26496-GO-DADDY-COM-LLCUS United States 15->32 34 checkip.us-east-1.prod.check-ip.aws.a2z.com 18.214.132.216, 49743, 80 AMAZON-AESUS United States 15->34 36 2 other IPs or domains 15->36 24 C:\Users\user\AppData\...\MyKanyAasean.exe, PE32 15->24 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Tries to steal Mail credentials (via file access) 15->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->42 44 4 other signatures 15->44 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-31 16:17:04 UTC
AV detection:
25 of 31 (80.65%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
AgentTesla Payload
Agenttesla family
Threat name:
Kryptik
Score:
1.00

Yara Signatures


Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe 02261d11f15d4b62340ceed9b3ab2e1520ed3206ba85331be8a775426969ba1d

(this sample)

Comments