MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88351e25a74c8d49e593276995290440b4ce3ae78ebb68438a32269674f0be32. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88351e25a74c8d49e593276995290440b4ce3ae78ebb68438a32269674f0be32
SHA3-384 hash: c0493383e4f6b11904d2ee0333d33a8a7512f8b9f702fc52b68954ccadd4f6a5281dda84574bd060af5373d3667aeddc
SHA1 hash: d8834a6eec9a59fdfbf7e929041f2a91fd43efe8
MD5 hash: 69450763e949d170ccea589631dc155c
humanhash: oven-saturn-river-ack
File name:Order Confirmation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:497'152 bytes
First seen:2020-08-06 05:34:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:6RYyRlh5BLFSSzmGSybWP8l88qJ+p+8xaRErUqTJ:iRlhnJJSy28p+82ETJ
Threatray 10'651 similar samples on MalwareBazaar
TLSH 5CB40157F584929ECD6E84B0C4A3D09CC163A93B9841BBAB7CD6F35E0B7E1C5301985B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: rim-tele.com
Sending IP: 188.128.84.2
From: Bassem  Ghattas <Bassem@beitpharma.com>
Subject: AW: 回复: UB1-1206 Requesting for PI - Evergreen - Confirmed
Attachment: Bank Detail.rar (contains "Order Confirmation.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/40050/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/412109
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258295 Sample: Order Confirmation.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 88 40 Yara detected AgentTesla 2->40 42 .NET source code contains potential unpacker 2->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 2->44 46 4 other signatures 2->46 7 Order Confirmation.exe 7 2->7         started        process3 file4 34 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->34 dropped 36 C:\Users\user\...\Order Confirmation.exe.log, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->38 dropped 50 Injects a PE file into a foreign processes 7->50 11 Order Confirmation.exe 2 7->11         started        14 cmd.exe 1 7->14         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        signatures5 process6 file7 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal browser information (history, passwords, etc) 11->54 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        30 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 16->30 dropped 26 conhost.exe 16->26         started        32 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 19->32 dropped 28 conhost.exe 19->28         started        signatures8 process9 signatures10 48 Creates an undocumented autostart registry key 21->48
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/88351e25a74c8d49e593276995290440b4ce3ae78ebb68438a32269674f0be32/
Threat name:
ByteCode-MSIL.Trojan.SmartAssembly
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 05:36:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ra2r4jnhjsgutzmte5uzkkieic2m4oxhr25wqq4kgitjm5hqxyza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'641 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200806-qq1m4s73ce/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Loads dropped DLL
AgentTesla Payload
AgentTesla
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/88351e25a74c8d49e593276995290440b4ce3ae78ebb68438a32269674f0be32

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 8d10947b0f199e6b2e3a66e5c4bb0cd5aa1a8ebd7328df235e447a21f8dbba2f

AgentTesla

Executable exe 88351e25a74c8d49e593276995290440b4ce3ae78ebb68438a32269674f0be32

(this sample)

  
Dropped by
MD5 57ff65a606aa160d4616fdb07b1b7466
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/40050/
  
Dropped by
SHA256 8d10947b0f199e6b2e3a66e5c4bb0cd5aa1a8ebd7328df235e447a21f8dbba2f

Comments