MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c948dcc56b42f0d4c74f972ef4e3af6ae09083af0dbf576ee28e48a93dbd2e7e. 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: c948dcc56b42f0d4c74f972ef4e3af6ae09083af0dbf576ee28e48a93dbd2e7e
SHA3-384 hash: 6c63bd06ece382f0e2006095c5f15ac27369865bf7a4b1e07d82ae5f166a17bec3fac98dae6c3488659ac00f996959d3
SHA1 hash: a14715ddb87ea2f925cc2a8f2d2d83a2aa8da266
MD5 hash: 5bd75bc8b88d9815916e0b36c64380b1
humanhash: muppet-twenty-sweet-high
File name:PO for 410303-1.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:776'704 bytes
First seen:2021-02-16 06:48:45 UTC
Last seen:2021-02-16 09:01:15 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 12288:mZdvG9gsBqk1k4z2pMD7ndyXVfdyZbWeHkxQUaUSJ8PA1um2Tetqx:2G9gsBKG20JQfdyFWQSOJoAZ2iA
Threatray 2'651 similar samples on MalwareBazaar
TLSH 00F4AD1167905F66F17E9736A9E8561047F8BC97EB60EA2F3EF030CA0474F40C66266B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 107-174-142-107-host.colocrossing.com
Sending IP: 107.174.142.107
From: agus.sriyono@conocophillips.com
Subject: RE: MRP Messages and Purchasing-12-30
Attachment: PO for 410303-1.img (contains "PO for 410303-1.exe")

AgentTesla payload URL:
http://185.215.150.204/file/btc.exe

AgentTesla SMTP exfil server:
mail.hermanusbearings.co.za:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/117305/
Detection(s):
SecuriteInfo.com.Malware.AI.4103220850.29752.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/608667
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Antivirus detection for dropped file
Antivirus detection for URL or domain
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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 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: 353362 Sample: PO for 410303-1.exe Startdate: 16/02/2021 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 10 other signatures 2->52 7 PO for 410303-1.exe 7 2->7         started        10 btc.exe 4 2->10         started        12 btc.exe 4 2->12         started        process3 file4 26 C:\Users\user\AppData\Roaming\qQlXxR.exe, PE32 7->26 dropped 28 C:\Users\user\...\qQlXxR.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp36FC.tmp, XML 7->30 dropped 32 C:\Users\user\...\PO for 410303-1.exe.log, ASCII 7->32 dropped 14 RegSvcs.exe 15 4 7->14         started        19 schtasks.exe 1 7->19         started        process5 dnsIp6 36 185.215.150.204, 49760, 80 UNREAL-SERVERSUS Netherlands 14->36 34 C:\Users\user\AppData\Local\Temp\btc.exe, PE32 14->34 dropped 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->38 40 Tries to steal Mail credentials (via file access) 14->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->42 44 Tries to harvest and steal browser information (history, passwords, etc) 14->44 21 btc.exe 1 7 14->21         started        24 conhost.exe 19->24         started        file7 signatures8 process9 signatures10 54 Antivirus detection for dropped file 21->54 56 Multi AV Scanner detection for dropped file 21->56 58 Machine Learning detection for dropped file 21->58
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c948dcc56b42f0d4c74f972ef4e3af6ae09083af0dbf576ee28e48a93dbd2e7e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-16 06:13:21 UTC
AV detection:
4 of 46 (8.70%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfenzrllilynjr2ps4xpjy5pnlqjba5pbw7vo3xcrzekspn5fz7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1268e6e0265bdaf979d45098051a38eaf3915765e6b5ffe928101c68e0065012
AgentTesla
17597ccb6afea30a3cd4d4ad8d31bd2d659f72deb76c32e65820e164d80dc853
AgentTesla
40e1050719fa63b000fb1e254951098c69eb2eacf2e1ea8865ddea91f12908a9
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755609ffa45b84235de59f8c546c2c2f5e95e40e3ca6df1eca35adcd47b2f7ba
AgentTesla
7c67f745b24145c055e9423ec63cd3a488eb99d960cf49b85b57d08d71b5ed0b
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8ef317f2278fbe6a533e8f78b932698e986280d2f4a6716aaaaa4dc5692222a8
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99c823dce3f531e2a4d5c7ac84b74bb630cb344f281519927d4c202c8bac1720
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b5ec0adc9736aadca40963ac6fc706c761fcb9dcdc311d7547f52f1614ecc2ed
AgentTesla
c9442156b26b8fe68a84028f85861191bff85680b1460d26b9491cbc3f3ac230
AgentTesla
d817a7d4edf2e702871ff97008940026302bce1efcf1bde560d3323a577c1011
AgentTesla
+ 2'641 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210216-r9y52j482j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/6c4aa03b-274b-4883-add9-b2404e010058/
SH256 hash:
c948dcc56b42f0d4c74f972ef4e3af6ae09083af0dbf576ee28e48a93dbd2e7e
MD5 hash:
5bd75bc8b88d9815916e0b36c64380b1
SHA1 hash:
a14715ddb87ea2f925cc2a8f2d2d83a2aa8da266
Link:
https://www.unpac.me/results/6c4aa03b-274b-4883-add9-b2404e010058/
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/c948dcc56b42f0d4c74f972ef4e3af6ae09083af0dbf576ee28e48a93dbd2e7e

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

img fbb8b61a2dadadfc1a302d3e47250ffdd9a57b0c8c8ca27b14738ca7951f2fa5

AgentTesla

Executable exe c948dcc56b42f0d4c74f972ef4e3af6ae09083af0dbf576ee28e48a93dbd2e7e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1010138/
  
Dropped by
MD5 cbc9d54ac0a7bada8af9f71f0ed98901
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/117305/
  
Dropped by
SHA256 fbb8b61a2dadadfc1a302d3e47250ffdd9a57b0c8c8ca27b14738ca7951f2fa5

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