MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c57dfaaa1c64fbf06960185a807b04b04d3cf281dd32a2d0dc4bd8169584a50b. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c57dfaaa1c64fbf06960185a807b04b04d3cf281dd32a2d0dc4bd8169584a50b
SHA3-384 hash: 73d8513dd17989729b0c62ba3e238ff6a376414dd50667605a042cd05c82cd7ee9d0d24f495807632c94a2a2b852d717
SHA1 hash: 31feb738ecf90ee54a28798d2622491575e1f945
MD5 hash: 9d9568a18844d69d8b0b7bdf29fb9608
humanhash: nine-alpha-november-undress
File name:New Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:820'224 bytes
First seen:2022-02-17 07:19:48 UTC
Last seen:2022-02-17 08:28:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:2brlIFimV+bib7M4LOCTxEA/8zWGn0/SY:2XlIFim8mLRTmJn2
Threatray 14'828 similar samples on MalwareBazaar
TLSH T13605139872D81513C6FF07B85420B34083F4E34BAD42DB4D2EB950B999E7F9E15A2E93
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/242174/
Detection(s):
SecuriteInfo.com.MachineLearning.Anomalous.96.29766.20080.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Sending an HTTP GET request
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/620df72cac8ad0468b4a87e8/reports/2a8d6d85-8519-46a9-ad5d-411aa929c4f1/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941397
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 573873 Sample: New Order.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 48 mail.escueladeseguridadmaritima.com 2->48 50 escueladeseguridadmaritima.com 2->50 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 13 other signatures 2->64 8 New Order.exe 7 2->8         started        12 myApp.exe 5 2->12         started        14 myApp.exe 2->14         started        signatures3 process4 file5 42 C:\Users\user\AppData\...\bKEaXGGWvnvvFu.exe, PE32 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmpD1B6.tmp, XML 8->44 dropped 46 C:\Users\user\AppData\...46ew Order.exe.log, ASCII 8->46 dropped 66 Adds a directory exclusion to Windows Defender 8->66 68 Injects a PE file into a foreign processes 8->68 16 New Order.exe 2 5 8->16         started        20 powershell.exe 24 8->20         started        22 schtasks.exe 1 8->22         started        70 Multi AV Scanner detection for dropped file 12->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->74 24 myApp.exe 12->24         started        26 schtasks.exe 12->26         started        76 Tries to detect sandboxes / dynamic malware analysis system (file name check) 14->76 28 schtasks.exe 14->28         started        signatures6 process7 file8 38 C:\Users\user\AppData\Roaming\...\myApp.exe, PE32 16->38 dropped 40 C:\Users\user\...\myApp.exe:Zone.Identifier, ASCII 16->40 dropped 52 Tries to steal Mail credentials (via file / registry access) 16->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->54 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        56 Tries to detect sandboxes / dynamic malware analysis system (file name check) 24->56 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c57dfaaa1c64fbf06960185a807b04b04d3cf281dd32a2d0dc4bd8169584a50b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 07:20:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yv67vkq4mt57a2ladbnia6yewbgtz4ub3uzkfug4jpmbnfmeuufq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
31a3c2f298b8b235303ecdcbe989f24ddda02a2da072c78cb0c6d0f8e9cd282a
AgentTesla
38d02acaae50481ff6d73b2de186301fee82ebd4af08d57b0d096dd20fb8f62a
AgentTesla
e67d79e0fc80b23b2a83a6a5b8e1e2c78b47a86c005ea955576d46aa5eda03e7
AgentTesla
e7cac2b948b2ebb032b15b025747eaf10cbec21d5adb365d878e100013e0cf1d
AgentTesla
ea0ea74cfda886ded0a227a990847197c636a38533c4ea211e07c3dc17ab4e96
AgentTesla
f1f9a09a55fb15d3815a84ab374464b9fe698e28b7fae363d4487c9e4136f3c9
AgentTesla
f770cbc399220f73d1edc6755c93c16bb33d1b31553bf682cc7595ddc93bf7c4
AgentTesla
+ 14'818 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220217-h55cxabfdm/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
Unpacked files
SH256 hash:
3a38c5fc89622a20ef5ae3ad19bcd53105dc587a9f882d78017fb898b88b5893
MD5 hash:
c5c477da4ad6a11a949fd38cb2004bca
SHA1 hash:
ac89f62ff5b6bbecc295ada5f73bf9ce91ae0c7b
Link:
https://www.unpac.me/results/8f3aa058-8113-447f-8deb-620a18aff20b/
SH256 hash:
8c6f5cc4884275927f9a05512099ed1ddc94aa5449974bf453855da9f2b6c1d9
MD5 hash:
890a67390dc6af6cf362c5b38b512af2
SHA1 hash:
92ed138218154f61ad4dd466a0fc1a6728d07226
Link:
https://www.unpac.me/results/8f3aa058-8113-447f-8deb-620a18aff20b/
SH256 hash:
9ecb059e2ef7b132daad7ab345802cf4dae8038e9164a5ff9f57ac566257925c
MD5 hash:
8bf389347c40cf913f479e1b41b3365f
SHA1 hash:
36acef6604251e3cb6092f037abeb9b253337024
Link:
https://www.unpac.me/results/8f3aa058-8113-447f-8deb-620a18aff20b/
SH256 hash:
6592af1c78f3cd9537840ed76d78b5e66d5973284a774c56d341762016b587fd
MD5 hash:
02bf804e8816629ee4994864511e1ce5
SHA1 hash:
1f7c77776149327c625dee20b3dbbcc60649154b
Link:
https://www.unpac.me/results/8f3aa058-8113-447f-8deb-620a18aff20b/
SH256 hash:
c57dfaaa1c64fbf06960185a807b04b04d3cf281dd32a2d0dc4bd8169584a50b
MD5 hash:
9d9568a18844d69d8b0b7bdf29fb9608
SHA1 hash:
31feb738ecf90ee54a28798d2622491575e1f945
Link:
https://www.unpac.me/results/8f3aa058-8113-447f-8deb-620a18aff20b/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c57dfaaa1c64/report/overview.html
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/c57dfaaa1c64fbf06960185a807b04b04d3cf281dd32a2d0dc4bd8169584a50b

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
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 c57dfaaa1c64fbf06960185a807b04b04d3cf281dd32a2d0dc4bd8169584a50b

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242174/

Comments