MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66f9714a50343c6fa1e59a61a680c9697c08a2c12af1011596acc147a37eb94a. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66f9714a50343c6fa1e59a61a680c9697c08a2c12af1011596acc147a37eb94a
SHA3-384 hash: 99e979556f025ccbcc2e6c025ad6c9df04cc89061944d944daddb2b7f6e0625b2778213955a996533a4e6dba607f9ca4
SHA1 hash: 6bf58cbffcc4c6c9d187e8da3c0a1c693d54711d
MD5 hash: e58683ba68e7cddcdb26eb53532ab46d
humanhash: moon-echo-table-montana
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:738'304 bytes
First seen:2022-04-19 06:52:37 UTC
Last seen:2022-04-19 07:47:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:pIOr5fKsSuoyVfPWrix8nVX024Aojq87eVBqsPJrxy6w3luI5vjd:VrlKsHtVXWri+E6sAI5L
Threatray 16'063 similar samples on MalwareBazaar
TLSH T1B2F49DEC3B1071CFC497C531CA999C74BB6074BA935BA747B01346ACAE6C486EE142F6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon dcd4dcc4d4f0f0f0 (2 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/264511/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.11809.19739.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/625e5c50482f2f41cad017cc/reports/0f01aa63-1ddd-4b1c-8c72-d95767aa5e5a/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d11da28c-e327-4fc8-9aec-9d121f5a7b50
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/978659
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped file
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: Suspicious Add Scheduled Task From User AppData Temp
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 611146 Sample: SOA.exe Startdate: 19/04/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 9 other signatures 2->54 7 SOA.exe 6 2->7         started        11 yqWDN.exe 2 2->11         started        13 yqWDN.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\Roaming\ybONUFnzA.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\Temp\tmp343.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 7->36 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 7->56 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 mail.rnfreight.com 108.170.27.202, 49760, 587 SSASN2US United States 15->38 28 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 5 other signatures 15->46 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66f9714a50343c6fa1e59a61a680c9697c08a2c12af1011596acc147a37eb94a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-19 01:13:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m34xcssqgq6g7ipftjq2nagjnf6ariwbflyqcfmwvtaupi36xffa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
09e805792395ef2266dd0788b73ce8c2550f71e31dec65853bcbfb6c4b1bc52a
AgentTesla
2062091ea3279a8954439ab8e4ea0433b5ba01247554bd02943958645cc6275c
AgentTesla
29cb6bc05ceec1f61c6505393a38615ecd94794ac9641cb533a943fd22734cc7
AgentTesla
3396abe1bfc811d184237b9804385c945721da04e83f08054d9aeb772016df90
AgentTesla
78440c8aaf49191ba9a5a13987c467f7f0dd192e500661543f0590eea20f1773
AgentTesla
8604f1c98675e3c0d417eb8c93fa89d12780b3d16e7bc3110ef3c8d3596db103
AgentTesla
b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb
AgentTesla
bfd76294477fc3da608954591e071f3745274fec1ca01bb77cb3534a5eb45b1f
AgentTesla
+ 16'053 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220419-hnmfrshhej/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
8b45b2b8e99ce1044bbcb0faf50c10d3c2973926cb157662a415f5cb025277ec
MD5 hash:
b938c1da5c2c216cbbcfe42f3d20cb2b
SHA1 hash:
eae3db9c48ffaff1fc9b1546b6f99072e87e1625
Link:
https://www.unpac.me/results/c7df89b2-ba84-4f60-a115-3e7784239b4a/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/c7df89b2-ba84-4f60-a115-3e7784239b4a/
SH256 hash:
e23c9adcfe078b1f253dc16bf005d9a8860b14391d1fe1ff78b1c0dc77903040
MD5 hash:
a37ca7d4e4f936930f6e6f4d2f39f3b7
SHA1 hash:
321976c00298a4f3def79f47015dbae2f2008e05
Link:
https://www.unpac.me/results/c7df89b2-ba84-4f60-a115-3e7784239b4a/
SH256 hash:
66f9714a50343c6fa1e59a61a680c9697c08a2c12af1011596acc147a37eb94a
MD5 hash:
e58683ba68e7cddcdb26eb53532ab46d
SHA1 hash:
6bf58cbffcc4c6c9d187e8da3c0a1c693d54711d
Link:
https://www.unpac.me/results/c7df89b2-ba84-4f60-a115-3e7784239b4a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/66f9714a50343c6fa1e59a61a680c9697c08a2c12af1011596acc147a37eb94a

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 66f9714a50343c6fa1e59a61a680c9697c08a2c12af1011596acc147a37eb94a

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/264511/

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