MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4617c1f129c70221b728325f9428433362851edf3237f4ddcd96eb5edcbc0f42. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4617c1f129c70221b728325f9428433362851edf3237f4ddcd96eb5edcbc0f42
SHA3-384 hash: a3b839c371c71fcce81568b593e9685a495c880fbcce6e19b57bd983c1e8752b8de2b5281f496efe7c0a0b9a8c28674e
SHA1 hash: 8801a140becd32ae91e2b5b43c1e127ed67c1f81
MD5 hash: c8e55e4f73df2b003a9d93896be50edc
humanhash: paris-emma-artist-seventeen
File name:MT_103 swift.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:635'392 bytes
First seen:2022-10-21 14:30:25 UTC
Last seen:2022-10-21 16:06:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:VmDF9zJvCCQo4EBM2vn9TUj7R7Oqm3pvP8C8qy7/ZiPgSIkQt+o:SFn9TS8l0Cfy7/Zi2kQk
Threatray 19'559 similar samples on MalwareBazaar
TLSH T12BD4EFBC63484E53FD2E807EC0B9805543F4D8BE1516F69E3FD3309A6AE979E1361886
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon dcc2ccecececc2dc (3 x AgentTesla, 1 x RemcosRAT, 1 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
MT_103 swift.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 14:31:59 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/7c2e076d-07b4-4eb8-9d4a-a083a6b050a3

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/322328/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.62055.30963.22790.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6352ad2666721ebd9b2f5eaa/reports/8ad9cf92-36f2-4c69-b939-bbe05d574d58/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:
Unknown
Link:
https://analyze.intezer.com/analyses/e9b50d87-3240-4185-a155-1a65e3661072
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094988
Signature
.NET source code contains very large array initializations
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
Malicious sample detected (through community Yara rule)
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
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 727629 Sample: MT_103 swift.exe Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 53 api.telegram.org 2->53 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 11 other signatures 2->63 8 MT_103 swift.exe 6 2->8         started        12 SsLtblq.exe 5 2->12         started        14 teuvrJw.exe 3 2->14         started        16 SsLtblq.exe 2->16         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming\teuvrJw.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmp2BA6.tmp, XML 8->49 dropped 51 C:\Users\user\...\MT_103 swift.exe.log, ASCII 8->51 dropped 73 Injects a PE file into a foreign processes 8->73 18 MT_103 swift.exe 17 6 8->18         started        23 schtasks.exe 1 8->23         started        25 BackgroundTransferHost.exe 8->25         started        27 backgroundTaskHost.exe 8->27         started        75 Multi AV Scanner detection for dropped file 12->75 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->77 79 Machine Learning detection for dropped file 12->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->81 29 schtasks.exe 12->29         started        31 SsLtblq.exe 12->31         started        33 schtasks.exe 16->33         started        35 SsLtblq.exe 16->35         started        signatures6 process7 dnsIp8 55 api.telegram.org 149.154.167.220, 443, 49735, 49748 TELEGRAMRU United Kingdom 18->55 43 C:\Users\user\AppData\Roaming\...\SsLtblq.exe, PE32 18->43 dropped 45 C:\Users\user\...\SsLtblq.exe:Zone.Identifier, ASCII 18->45 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->65 67 Tries to steal Mail credentials (via file / registry access) 18->67 69 Tries to harvest and steal ftp login credentials 18->69 71 2 other signatures 18->71 37 conhost.exe 23->37         started        39 conhost.exe 29->39         started        41 conhost.exe 33->41         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4617c1f129c70221b728325f9428433362851edf3237f4ddcd96eb5edcbc0f42/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 03:29:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iyl4d4jjy4bcdnzigjpzikcdgnrikhw7gi37jxons3vv5xf4b5ba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
18795ac4c12ef439ea3be9a8833f9e20b5540fcbd561eb421c61e68b5b81e55b
AgentTesla
47bb0dc5d95f73d7dc66bfd26a7adc9433498afd2a6c63b3b14a67cf0fdd106b
AgentTesla
66ad671957356b0a979ac4ce68ade78f8ddfda2dabd4e1dc0b1ec68a1ac6dcf5
AgentTesla
77e60f86df5027b5cddd14fb1e0acc3e9a2c5456efeea831118d36180358c591
AgentTesla
8ccea9d264f5584180de3b726b676590bfec351367d48a03decb1ee37f9f3965
AgentTesla
a0b715dbe6410280098b511f7cf95b466c14f15de32ed2cd79744d2ebd7ad8ff
AgentTesla
d45e5775d0d833995cf846f564dc8185ffaa53706a8c27cca07c941b1aaa42fd
AgentTesla
+ 19'549 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/221021-rvpn5sfcej/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ea45ddf5-9e77-49a0-9f27-9751ffb58ebb
Unpacked files
SH256 hash:
8665436b612a89f256a82b76e77baefdfd91449b8bd23558f8ef3def6c4409c5
MD5 hash:
320b348eb382fff8e23519a214c575ac
SHA1 hash:
b854fdeb7d00d90b50cbee045bc0d7f1b945777b
Link:
https://www.unpac.me/results/6f3546f4-0a56-4668-83f7-c3ecf4d21449/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/6f3546f4-0a56-4668-83f7-c3ecf4d21449/
SH256 hash:
24f57f93684e164806f85a5c60484c428e0a7d6d001e1b2e9ab97aedecae2a4a
MD5 hash:
b8068213f8d9fba7e87c9022db9d3648
SHA1 hash:
099f8645eae72df6f5cd55cc03c41f20c0f103b2
Link:
https://www.unpac.me/results/6f3546f4-0a56-4668-83f7-c3ecf4d21449/
Parent samples :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 hash:
4617c1f129c70221b728325f9428433362851edf3237f4ddcd96eb5edcbc0f42
MD5 hash:
c8e55e4f73df2b003a9d93896be50edc
SHA1 hash:
8801a140becd32ae91e2b5b43c1e127ed67c1f81
Link:
https://www.unpac.me/results/6f3546f4-0a56-4668-83f7-c3ecf4d21449/
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/4617c1f129c70221b728325f9428433362851edf3237f4ddcd96eb5edcbc0f42

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
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.

Malspam

AgentTesla

Executable exe 4617c1f129c70221b728325f9428433362851edf3237f4ddcd96eb5edcbc0f42

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322328/

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