MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49a845fad0e449da1c85ae57a4ba6613cddbe74bebd9285d64f56159b15c9a7a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49a845fad0e449da1c85ae57a4ba6613cddbe74bebd9285d64f56159b15c9a7a
SHA3-384 hash: 9d4d07673d99fd5e4ffc3c28569794802582a794eeabb9076fafa4101687a086e803dff93223824600446cb70f5122f7
SHA1 hash: f036d1e6720d9bdff0da2d577b166d6753d68795
MD5 hash: f13cb4318f729209621c350f03fc5b09
humanhash: wolfram-asparagus-yellow-one
File name:Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:545'280 bytes
First seen:2021-04-28 14:17:20 UTC
Last seen:2021-04-28 15:13:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:lyxeVjsMBcjUqyf0MA1CcxVWhA3dIgvQNdYkWG:0xysMv1CV/3dIgKdkG
Threatray 4'265 similar samples on MalwareBazaar
TLSH A9C4F12083E88B5AE6BE63B9507511001BF1B516E373E79D7D8D019E0EB7B8086A7773
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-04-28 14:30:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2e9be189-bc0c-4d7b-b5f4-ebf6c2c3650f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/145010/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.688-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/700749
Signature
.NET source code contains very large array initializations
Found malware configuration
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 399307 Sample: Invoice.exe Startdate: 28/04/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 6 other signatures 2->47 6 Invoice.exe 3 2->6         started        10 scvhosts.exe 3 2->10         started        12 scvhosts.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 6->25 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 53 Injects a PE file into a foreign processes 6->53 14 Invoice.exe 17 5 6->14         started        55 Multi AV Scanner detection for dropped file 10->55 57 Machine Learning detection for dropped file 10->57 19 scvhosts.exe 2 10->19         started        21 scvhosts.exe 10->21         started        23 scvhosts.exe 2 12->23         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49742 TELEGRAMRU United Kingdom 14->31 27 C:\Users\user\AppData\...\scvhosts.exe, PE32 14->27 dropped 29 C:\Users\...\scvhosts.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 3 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/49a845fad0e449da1c85ae57a4ba6613cddbe74bebd9285d64f56159b15c9a7a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-28 14:07:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jguel6wq4re5uhefvzl2jotgcpg5xz2l5pmsqxle6vqvtmk4tj5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
4dd8941c43c5868e2bbabb63ea7010c914910ee9b5daca0832d4b612dcd5c39b
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4e655c620ed90cdbcd62d7c884c807cf82c8fff069da38d293dc746839597399
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62a24925998362fb9a7b4d11ee621888f372e1858545b04aef345443699948e7
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abef13b183e2e32a443baf2efac884d6a8d581ffd41af42ae4fc6a00b19766e6
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c1e8ca6cfbaac9ef619b8f131c48954dc43728b8a9faa1d0fac12b2e79d76131
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d6e1a688daa6611f7ff1ebf6724c3ccdabc18b97b1f606ec7bc141d8b81e1082
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d8f7de322d54c0e00485e12571d9f7b3f36cd375b2307ba3ce0d6f04fca582e6
AgentTesla
dc9ace93c1de0591c5e653c9e057fb2819bc0a832219adc2994097aae3906236
AgentTesla
+ 4'255 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210428-2gmrdpx116/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1617907462:AAEpgxXS4jWWOfDQl8NnZxwDPDhGvsaMZF4/sendDocument
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
Link:
https://www.unpac.me/results/597ad0c4-05f3-4ed9-b6be-33af46e4f4b1/
SH256 hash:
49a845fad0e449da1c85ae57a4ba6613cddbe74bebd9285d64f56159b15c9a7a
MD5 hash:
f13cb4318f729209621c350f03fc5b09
SHA1 hash:
f036d1e6720d9bdff0da2d577b166d6753d68795
Link:
https://www.unpac.me/results/597ad0c4-05f3-4ed9-b6be-33af46e4f4b1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/49a845fad0e449da1c85ae57a4ba6613cddbe74bebd9285d64f56159b15c9a7a

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:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo
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

zip 1397eab0270289529612e24e011c24bfdcff9b8a3ea2d58ea995f94a3a9cb730

AgentTesla

Executable exe 49a845fad0e449da1c85ae57a4ba6613cddbe74bebd9285d64f56159b15c9a7a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 1397eab0270289529612e24e011c24bfdcff9b8a3ea2d58ea995f94a3a9cb730
Cape
Cape
https://www.capesandbox.com/analysis/145010/

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