MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ef8e4ca252ea20cc0cf43a1dafcf418dceb57064b2ffb46cf0ea237901fc68c. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ef8e4ca252ea20cc0cf43a1dafcf418dceb57064b2ffb46cf0ea237901fc68c
SHA3-384 hash: 6e06fc14b9db76c9e08deed950f356619cf751ed00bfd8457c63a7ad3b00e92f88586313eb2093ec2469dfed2bb684ef
SHA1 hash: a22f0bf6d4a59cf0b94f584782fbb96ec871a1c6
MD5 hash: c622c2aff94a9d203a5661978e71ff76
humanhash: july-coffee-salami-monkey
File name:Purchase_Order_Confirmation Telex release for Import.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:50'176 bytes
First seen:2022-04-05 21:27:10 UTC
Last seen:2022-04-06 09:08:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:8VGaDYjDqESZtjyYVj2fmdniLQJKw8WblEhwZfiSUaq1LyJdzBkQ:takuzjyYl2f6iLtsbOh0RaK
Threatray 15'685 similar samples on MalwareBazaar
TLSH T156335D08338DD762C37CBA7E85E7124853B1D3B72613D21AED85927C5B93BB69606703
File icon (PE):PE icon
dhash icon 489669d8d8699648 (53 x AgentTesla, 24 x SnakeKeylogger, 16 x AveMariaRAT)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
324
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261102/
Detection(s):
SecuriteInfo.com.ArtemisC622C2AFF94A.19431.22027.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624cb46340ce5db9f41310bc/reports/9c4185bb-f864-4e37-8370-6941f89089c7/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cef41b2e-cc86-4dc4-b400-0cd49166a1d2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971189
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: MSBuild connects to smtp port
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 / registry access)
Uses ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 603676 Sample: Purchase_Order_Confirmation... Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 71 Multi AV Scanner detection for domain / URL 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 8 other signatures 2->77 7 Purchase_Order_Confirmation Telex release for Import.exe 16 7 2->7         started        12 Napoc.exe 14 3 2->12         started        14 Napoc.exe 3 2->14         started        process3 dnsIp4 55 trieutin.com 119.17.253.214, 443, 49736, 49752 NETNAM-AS-APNetnamCompanyVN Viet Nam 7->55 47 C:\Users\user\AppData\Roaming\...47apoc.exe, PE32 7->47 dropped 49 C:\Users\user\...49apoc.exe:Zone.Identifier, ASCII 7->49 dropped 51 Purchase_Order_Con... for Import.exe.log, ASCII 7->51 dropped 79 Writes to foreign memory regions 7->79 81 Injects a PE file into a foreign processes 7->81 16 MSBuild.exe 6 7->16         started        20 cmd.exe 1 7->20         started        22 cmd.exe 1 7->22         started        83 Machine Learning detection for dropped file 12->83 24 cmd.exe 1 12->24         started        57 192.168.2.1 unknown unknown 14->57 26 cmd.exe 14->26         started        file5 signatures6 process7 dnsIp8 53 mail.your-server.de 78.46.5.205, 49750, 49751, 587 HETZNER-ASDE Germany 16->53 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->63 65 Tries to steal Mail credentials (via file / registry access) 16->65 69 4 other signatures 16->69 67 Uses ping.exe to check the status of other devices and networks 20->67 28 PING.EXE 1 20->28         started        31 conhost.exe 20->31         started        33 timeout.exe 1 20->33         started        35 conhost.exe 22->35         started        37 timeout.exe 1 22->37         started        39 PING.EXE 24->39         started        43 2 other processes 24->43 41 PING.EXE 26->41         started        45 2 other processes 26->45 signatures9 process10 dnsIp11 59 google.com 142.250.185.238 GOOGLEUS United States 28->59
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ef8e4ca252ea20cc0cf43a1dafcf418dceb57064b2ffb46cf0ea237901fc68c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-05 21:09:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d34ojsrff2razqgpioq5v7huddoowvygjmx7wrwpb2rdpea7y2ga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
25988be27d311b97003c1a2beb482048eb8b2fd14ac05d5459fd399335e75407
AgentTesla
2d687768258a430a93f253644d18ca98ec3c778a6d69b2bde524deba6e0fa727
AgentTesla
3c145d64a3b2a1b1c02701a8147b39e11d3611d7e30415d7a117bf017df71f97
AgentTesla
4b0f3abe3b0c7a9356687b4c29c68f9bab4247ca92cf5c37b42eec2881d3d2ec
AgentTesla
4e6704724e2218ac123163b44edcc4f34555cddaf9d5fd4afef51617918bdb9a
AgentTesla
6fe3e4a455584fd416ce8c785e95c072e52b08b9c8749564188f784fa7ff7f10
AgentTesla
961b3c31dce2146e97c694b3d02e9818b7e637c569c2b9c034c5f4e713bb7a5b
AgentTesla
ce6df966091d0a4c305d5629d789f7ed072d01b8b4559d6356ed1643454e2427
AgentTesla
dc5eec99aa11a84baf9db82822e5367fb90f34304a660df4831f6f4cb4979e13
AgentTesla
+ 15'675 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220405-1ba63sdeh7/
Behaviour
Delays execution with timeout.exe
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
1ef8e4ca252ea20cc0cf43a1dafcf418dceb57064b2ffb46cf0ea237901fc68c
MD5 hash:
c622c2aff94a9d203a5661978e71ff76
SHA1 hash:
a22f0bf6d4a59cf0b94f584782fbb96ec871a1c6
Link:
https://www.unpac.me/results/8c9c29e3-3054-4f80-9a81-daf190f450b5/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1ef8e4ca252e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/1ef8e4ca252ea20cc0cf43a1dafcf418dceb57064b2ffb46cf0ea237901fc68c

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:buerloader_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/261102/

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