MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4436d8c6fa65f84156bd6fd48ae129641c8c238dc123467b61b5635dd2b7704. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: d4436d8c6fa65f84156bd6fd48ae129641c8c238dc123467b61b5635dd2b7704
SHA3-384 hash: 26025852c1d47b5eebd779d0962b290d0a09cc38a8d2f51ee4b5cec9420e43093992830631b53f34993150f8703c74ce
SHA1 hash: 636e1a525a7258dcc9f0abdd8edf65d04e3bd1cf
MD5 hash: 87d62359a20348a49c19c82270bfb36f
humanhash: indigo-earth-video-football
File name:gs-1378_2021122122.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:868'864 bytes
First seen:2022-01-25 12:20:19 UTC
Last seen:2022-01-25 14:02:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:CFYwbkWzLyD75tCLLMVWTwWddd9Fg7KQ1/T0:CYVCL2HCLQWTlddHF+tT
Threatray 14'307 similar samples on MalwareBazaar
TLSH T19105F127769DCE31C92817B640CFC15803796B46DA23D70ABEC937EA0E0239B5E8D55B
File icon (PE):PE icon
dhash icon 136d455d6d4d550b (25 x AgentTesla, 9 x Formbook, 5 x Loki)
Reporter madjack_red
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
gs-1378_2021122122.exe
Verdict:
Malicious activity
Analysis date:
2022-01-25 12:39:26 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/d634977a-ca57-482b-81e0-8c3d31e526aa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/222433/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.37673.19953.19151.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/61efeb33f81da814afa3a920/reports/825efceb-6382-490a-8c14-4df60e2ce1ce/overview
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/da400c4f-4ddb-45dc-8d53-158d289e58eb
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/927065
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 559543 Sample: gs-1378_2021122122.exe Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 9 other signatures 2->41 7 gs-1378_2021122122.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\xeNNHcdz.exe, PE32 7->23 dropped 25 C:\Users\...\xeNNHcdz.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpC4EA.tmp, XML 7->27 dropped 29 C:\Users\user\...\gs-1378_2021122122.exe.log, ASCII 7->29 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 2 other signatures 7->49 11 gs-1378_2021122122.exe 2 5 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 file7 31 C:\Users\user\AppData\Roaming\...31ewApp.exe, PE32 11->31 dropped 33 C:\Users\user\...33ewApp.exe:Zone.Identifier, ASCII 11->33 dropped 51 Moves itself to temp directory 11->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d4436d8c6fa65f84156bd6fd48ae129641c8c238dc123467b61b5635dd2b7704/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 01:54:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2rbw3ddpuzpyifll236urlqssza4rqry3qjdiz5wdnldlxjlo4ca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c62637cd14b2d9f0bd9554946fdffb8cea4fb70f5853965da0dad0718a7a437
AgentTesla
1ba742a8035002362e46828bcb7a24342bed430d6bcd59999afd520dba3de81e
AgentTesla
590d1a6a1fa00812284d4f5e4f47cb34d4965c79bfc9ec1741f2a8e14967719b
AgentTesla
5e922ebd226625e778e389b73f24b5e0a876139697b2dcb2e93b060303b81471
AgentTesla
7d4154d38463901a813efcd591fe9557f4375bc1caf5bbd15dc5d108fcbe43c6
AgentTesla
b075664939443635f87f26f21f9b33b410871d36ead1e4a3f74328adfafc1ba2
AgentTesla
+ 14'297 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/220125-pjb8kaffcq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
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:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
Link:
https://www.unpac.me/results/3be8fefc-51b9-480e-b280-cfaf795472fa/
SH256 hash:
f4f8b8198e500fba20e2475faf788221d76c3483d22533c3f8170e25b8a8a0b0
MD5 hash:
fa0c0511f937f9c4261345d6e22e4873
SHA1 hash:
8db03a188c828bfbd25d7dc9ceaa1083e2e41d06
Link:
https://www.unpac.me/results/3be8fefc-51b9-480e-b280-cfaf795472fa/
SH256 hash:
8753a2f51527ba1337dfb664d5f1a685f013bc1416bb9c293aa3105e2e245d6e
MD5 hash:
4f4224f854ad257b03b7b8486060c40b
SHA1 hash:
9337b4511bc1fc598c75f7966d361b22235003c9
Link:
https://www.unpac.me/results/3be8fefc-51b9-480e-b280-cfaf795472fa/
SH256 hash:
d4436d8c6fa65f84156bd6fd48ae129641c8c238dc123467b61b5635dd2b7704
MD5 hash:
87d62359a20348a49c19c82270bfb36f
SHA1 hash:
636e1a525a7258dcc9f0abdd8edf65d04e3bd1cf
Link:
https://www.unpac.me/results/3be8fefc-51b9-480e-b280-cfaf795472fa/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d4436d8c6fa6/report/overview.html
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/d4436d8c6fa65f84156bd6fd48ae129641c8c238dc123467b61b5635dd2b7704

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:pe_imphash
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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.

Cape
Cape
https://www.capesandbox.com/analysis/222433/

Comments