MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53bbb4302f38c9d4967a01008ae1e923ebd86facf3dba84e16be50103ca1608e. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 53bbb4302f38c9d4967a01008ae1e923ebd86facf3dba84e16be50103ca1608e
SHA3-384 hash: 9af07cf4bc806d1c6288916e21fba3f05c2fb06417309db5f50c4e43656ad790ae58ef85faee533d5a254af5e957ae6c
SHA1 hash: 99d6f4ee6db899b229040a6f7c16bf53cb3488ac
MD5 hash: 1d28a832b4b2e9d6c358b902b8649cda
humanhash: iowa-four-emma-nine
File name:97gZfKvnpH4D7A7.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:654'336 bytes
First seen:2020-07-29 05:31:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:6oWq9wNDZmg32hChl5dSs83qo6MeiABzVAcugnwV:xdw3mg32Sz+30iAJT6
Threatray 100 similar samples on MalwareBazaar
TLSH D1D4C0D9B740A91DC2B98176A19C0718CBFDCE914227A3C578C7F3AB2DFE3529A001B5
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: outsmtp01.sadecehosting.com
Sending IP: 77.92.152.35
From: Herold Smith <heroldsmith6@gmail.com>
Reply-To: heroldsmith6@gmail.com
Subject: RFQ#86BD379
Attachment: RFQ86BD379.rar (contains "97gZfKvnpH4D7A7.exe")

AgentTesla SMTP exfil server:
mail.sardaplywood.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34146/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401221
Signature
Found malware configuration
Injects a PE file into a foreign processes
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: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 252823 Sample: 97gZfKvnpH4D7A7.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 5 other signatures 2->37 7 97gZfKvnpH4D7A7.exe 7 2->7         started        11 wuapihost.exe 2->11         started        process3 file4 23 C:\Users\user\AppData\...\&startupname&.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp4066.tmp, XML 7->25 dropped 27 C:\Users\user\...\97gZfKvnpH4D7A7.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 13 97gZfKvnpH4D7A7.exe 4 7->13         started        17 schtasks.exe 1 7->17         started        19 97gZfKvnpH4D7A7.exe 7->19         started        signatures5 process6 dnsIp7 29 mail.sardaplywood.com 72.52.178.59, 49736, 587 LIQUIDWEBUS United States 13->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->45 47 Tries to steal Mail credentials (via file access) 13->47 49 Tries to harvest and steal ftp login credentials 13->49 51 Tries to harvest and steal browser information (history, passwords, etc) 13->51 21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/53bbb4302f38c9d4967a01008ae1e923ebd86facf3dba84e16be50103ca1608e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 05:17:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ko53imbphde5jft2aeaivypjepv5q35m6pn2qtqwxzibapfbmcha._file
Verdict:
unknown
Similar samples:
0ffe3a2c15dd0469d00b515316cdf09ae0e6b4dbbffe106297cf7f7d0d1b8197
AgentTesla
1d14146ac003de2500950e2c52878e7c8866b107c0de95aaceee7e08d596acd7
AgentTesla
2f6f668a34430c631a8655e4bdd5792b0dc16b13a7e8f447c185d2c4216f81c5
AgentTesla
344c77c1b4e37bbec58a85aaf54518edf921d9a12dfcb2c5e4a07eb75d7201f6
AgentTesla
5693fc15c7c4843819dd2e7d768f7ad32c031ca0a112cf604d38319d00e7a811
AgentTesla
9649094a155e904fc28617746d9656d499d04da6944e5201fa322bd1cbe1a897
AgentTesla
a72abccbb65d45e50e2bdac6fbfcc3832af2be5e8bb2c20904674b8e59fc667c
AgentTesla
b5e119f0129ab5b3b65cb24a241a2dbea720b80f12afd7a378a614c908dbe325
AgentTesla
be1c09c070130dea908df866febc1f792e0afd0754f1c3e096ef23fccd58b394
AgentTesla
d24e4acfbe8cc67f262b4f6fd53cab9c202ce8d43337ae051152384453e3df3d
AgentTesla
+ 90 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200729-nxqwqaychs/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/53bbb4302f38c9d4967a01008ae1e923ebd86facf3dba84e16be50103ca1608e

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

rar 5e0c524af1819a78ef6da77c8196c8bb61da7b4a114f354b6fb3eaef0df34d4e

AgentTesla

Executable exe 53bbb4302f38c9d4967a01008ae1e923ebd86facf3dba84e16be50103ca1608e

(this sample)

  
Dropped by
MD5 646b6568583cf1255b86ffa4bac4f900
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34146/
  
Dropped by
SHA256 5e0c524af1819a78ef6da77c8196c8bb61da7b4a114f354b6fb3eaef0df34d4e

Comments