MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a95defeaaa2434a0c14c418cd0cbf76e906c8a57ff1770454dac7cc38c86d97e. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
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SHA256 hash: a95defeaaa2434a0c14c418cd0cbf76e906c8a57ff1770454dac7cc38c86d97e
SHA3-384 hash: e091933d698c97d905f95a3f9144ef3efc0f89172806d2c00cad1ef3c7c43519081edd3c4ce82baae8a50481c64654b9
SHA1 hash: 72f467c570063669f56d6f9b5cef5808c15c2553
MD5 hash: 611fc00c37cbe4f587a0d144c1d6e91b
humanhash: venus-seven-yankee-whiskey
File name:RFQ.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:851'456 bytes
First seen:2021-08-23 03:52:21 UTC
Last seen:2021-08-23 09:33:51 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:EbgTpE9aINpRspdSb8MhiQmKIpVzrU5IA49gGHsMGO7+S+k//QR:E0SI04pdSbDhiseVzrGP4N5GOaSt3Q
Threatray 8'752 similar samples on MalwareBazaar
TLSH T16505E53D19B91637D1B5C365EBE58423F148986FB504AE6A6CDE03A7030BA9335C723E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-23 03:55:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/095c2b50-e17d-4c79-a3a5-c78562ba2407

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/181335/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.19607.1232.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f4e8b5ef-d562-44de-b6b9-8e07322c410a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837229
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
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)
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 469656 Sample: RFQ.pdf.exe Startdate: 23/08/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 8 other signatures 2->49 6 RFQ.pdf.exe 3 2->6         started        10 xepul.exe 3 2->10         started        12 xepul.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\RFQ.pdf.exe.log, ASCII 6->25 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 55 Injects a PE file into a foreign processes 6->55 14 RFQ.pdf.exe 2 9 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 59 Machine Learning detection for dropped file 10->59 19 xepul.exe 2 10->19         started        21 xepul.exe 2 12->21         started        23 xepul.exe 12->23         started        signatures5 process6 dnsIp7 31 sodag-agricole.com 192.185.171.144, 49718, 49719, 587 UNIFIEDLAYER-AS-1US United States 14->31 33 mail.sodag-agricole.com 14->33 27 C:\Users\user\AppData\Roaming\...\xepul.exe, PE32 14->27 dropped 29 C:\Users\user\...\xepul.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 Tries to harvest and steal ftp login credentials 14->39 41 3 other signatures 14->41 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a95defeaaa2434a0c14c418cd0cbf76e906c8a57ff1770454dac7cc38c86d97e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-23 03:14:09 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vfo672vkeq2kbqkmiggnbs7xn2igzcsx74lxarknvr6mhdeg3f7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1753f2373b77f90cf8c6b94fbe533bdf25ec3415eebd88e5fadbe8bdc1137dab
AgentTesla
4b8bfe706b4f3df2d6e4519ad6c6da01d46124e9bec4f26dff3a3435e5490685
AgentTesla
640be6f81d11c620516ffa238f5bd69490074acc89286dbbb1f8a1e2727ecff4
AgentTesla
9cd5d3427554617b492c00e5f251794e66684e57b6350ceda2156ffb76b95f73
AgentTesla
c19f16f127fcb44f20f2d94b7b876b1e41287e1ec12cbe6d0052cf416d805b1d
AgentTesla
c1aa3996fb100371e8d443417f1c90f959306af345dc4436d5382e49bb205ac7
AgentTesla
edf47f84cdacfeff6f7d3bd802c5659adb64c42110e1f477b41db7590091cda0
AgentTesla
+ 8'742 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/210823-gkbbf3acpn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/3eb8d6fd-ba2b-4a71-a05d-b047638adbba/
SH256 hash:
b720d19f181fde475d7ad19e5f623ed17bae905ede9826ae9033ad9f36b0557f
MD5 hash:
2a64d99a0646419345e02e37dd7f6ff7
SHA1 hash:
c0740347f9a3694fb99dbfd5f736960b8abdd12c
Link:
https://www.unpac.me/results/3eb8d6fd-ba2b-4a71-a05d-b047638adbba/
SH256 hash:
c1fbbd8e3e0cf177b2dbac97d8b516ae59bbd34865b25fd8ea4514c20fe0adc8
MD5 hash:
37c5929957df4c18a1504f5e7f92a44d
SHA1 hash:
12d11c509b80a242ee06cbd1144b148a8f21f98c
Link:
https://www.unpac.me/results/3eb8d6fd-ba2b-4a71-a05d-b047638adbba/
SH256 hash:
a95defeaaa2434a0c14c418cd0cbf76e906c8a57ff1770454dac7cc38c86d97e
MD5 hash:
611fc00c37cbe4f587a0d144c1d6e91b
SHA1 hash:
72f467c570063669f56d6f9b5cef5808c15c2553
Link:
https://www.unpac.me/results/3eb8d6fd-ba2b-4a71-a05d-b047638adbba/
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/a95defeaaa2434a0c14c418cd0cbf76e906c8a57ff1770454dac7cc38c86d97e

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe a95defeaaa2434a0c14c418cd0cbf76e906c8a57ff1770454dac7cc38c86d97e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/181335/

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