MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4522f433567f4ab94f81f6ec9f445aa12ed32449260e789cacb529cb7e36a0c7. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4522f433567f4ab94f81f6ec9f445aa12ed32449260e789cacb529cb7e36a0c7
SHA3-384 hash: 8efe71cfd98c0840fbf3f2899ad2612b74f4ac225b372c22ea8341c6969364cd266dbeceecf0cb5ca5a64c97fadb4492
SHA1 hash: f50f130c24dee465ff586f241b37e65f717a268f
MD5 hash: c4e49e4a04afe088b449eb20df5ebb93
humanhash: lion-white-helium-steak
File name:YLQp0bQF99Cl0q5.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'249'280 bytes
First seen:2021-07-07 12:14:40 UTC
Last seen:2021-07-07 12:18:21 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:Jtg2r3bmWf5HyQ4wOBU9sbsrZrNuEYTJwF0biYuWOBfWlB:B6MHX4wOBUOCrgbiBBBE
Threatray 6'445 similar samples on MalwareBazaar
TLSH 9745DF7920338A92DEAFC7FA4732152E4F6DAFFE914BB6741894713900F4B1D0A5192B
Reporter cocaman
Tags:AgentTesla exe SWIFT

Intelligence

File Origin
# of uploads :
3
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
YLQp0bQF99Cl0q5.exe
Verdict:
Malicious activity
Analysis date:
2021-07-07 12:17:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e1caaf1f-eb4d-474e-920d-e162aa4cf15b

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/170173/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.DLO-1.UNOFFICIAL
Create hunting rule

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/fddf7cba-6284-43b0-8966-4f80b43dc1d8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/812839
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
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: 445250 Sample: YLQp0bQF99Cl0q5.exe Startdate: 07/07/2021 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 6 other signatures 2->66 7 YLQp0bQF99Cl0q5.exe 7 2->7         started        11 kprUEGC.exe 5 2->11         started        14 kprUEGC.exe 4 2->14         started        process3 dnsIp4 44 C:\Users\user\AppData\Roaming\oUfGcj.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp9288.tmp, XML 7->46 dropped 48 C:\Users\user\...\YLQp0bQF99Cl0q5.exe.log, ASCII 7->48 dropped 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 7->72 16 YLQp0bQF99Cl0q5.exe 2 5 7->16         started        20 schtasks.exe 1 7->20         started        50 192.168.2.1 unknown unknown 11->50 74 Multi AV Scanner detection for dropped file 11->74 76 Injects a PE file into a foreign processes 11->76 22 schtasks.exe 1 11->22         started        24 kprUEGC.exe 11->24         started        26 kprUEGC.exe 11->26         started        28 kprUEGC.exe 14->28         started        30 schtasks.exe 14->30         started        file5 signatures6 process7 file8 38 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 16->38 dropped 40 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 16->40 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->52 54 Tries to steal Mail credentials (via file access) 16->54 56 Modifies the hosts file 16->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->58 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        42 C:\Windows\System32\drivers\etc\hosts, ASCII 28->42 dropped 36 conhost.exe 30->36         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4522f433567f4ab94f81f6ec9f445aa12ed32449260e789cacb529cb7e36a0c7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-07 08:19:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iurpim2wp5flst4b63wj6rc2uexngjcjeyhhrhfmwuu4w7rwuddq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
102b0bdae4e027e3e115490a1fe904b1a9f4fd9e4e52243719ee1167ec4ed62a
AgentTesla
12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b
AgentTesla
3be787bec6c661048c534c126761c2be937e70cb5ce8f1922cca5f4f22106b54
AgentTesla
3ee4e620dd7cb6d8a6f604e5653a4f5cbf1258032ffc7d13ae9a415c672a5713
AgentTesla
4e4c8a7b36db5f15e7f1f5676e9d5e2871d2101ca7e28349384a8cdb698a54ab
AgentTesla
5defd50046db301c82c85cc8306960982f576cbf5446f24062cc570dcf0becec
AgentTesla
69f4101e63fdfdec4a5b6fc4a778619a69f9511416dd90fe9df33502ff8d9d4f
AgentTesla
9662d1e4c72efe73a1f203ebead6069990342a4da6314737e3a02b08e2d68075
AgentTesla
da33725694fafe69b0a72478a9741ae2eac9d294966f160204a93e27f711b514
AgentTesla
e8e003992f2171cb3a00363655a00a66c73de119bdee835340507d2343857bc6
AgentTesla
+ 6'435 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/210707-mgl3zsvy5e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
9bb1129f2295b1e3966c74eb5da5cd8447230df751abd715af56ab5713f2705f
MD5 hash:
9d423057aaea7e7818db8f044ba4fca2
SHA1 hash:
db7b42738154e4319e696341c0401ba4ce2a0ab7
Link:
https://www.unpac.me/results/4ee1cabb-0b92-48d9-9b35-ec600e41408d/
SH256 hash:
3d78e8de9182250f02ca4049c017a3d0b1c9137228d4c1db7c98e61d59b05875
MD5 hash:
03dc93922629b2b7f246f1bd1cdaa9fe
SHA1 hash:
ce815e0087c06e17ed6284e3cf8e64162c40e899
Link:
https://www.unpac.me/results/4ee1cabb-0b92-48d9-9b35-ec600e41408d/
SH256 hash:
0cde09dfdb0898ecc70c4d411cdc02b61b9d218fa836902a44e824ebd25f4162
MD5 hash:
702d2864f0911bee17b6c66ba296c796
SHA1 hash:
98f81e31e4ca942afb891e1ce587482dbc9dc964
Link:
https://www.unpac.me/results/4ee1cabb-0b92-48d9-9b35-ec600e41408d/
SH256 hash:
4522f433567f4ab94f81f6ec9f445aa12ed32449260e789cacb529cb7e36a0c7
MD5 hash:
c4e49e4a04afe088b449eb20df5ebb93
SHA1 hash:
f50f130c24dee465ff586f241b37e65f717a268f
Link:
https://www.unpac.me/results/4ee1cabb-0b92-48d9-9b35-ec600e41408d/
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/4522f433567f4ab94f81f6ec9f445aa12ed32449260e789cacb529cb7e36a0c7

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: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

zip cec7b1dd6baab6a939ae1c069a7f57a5a1a5acbfe026c5ed3ceef19b905bdbab

AgentTesla

Executable exe 4522f433567f4ab94f81f6ec9f445aa12ed32449260e789cacb529cb7e36a0c7

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 cec7b1dd6baab6a939ae1c069a7f57a5a1a5acbfe026c5ed3ceef19b905bdbab
Cape
Cape
https://www.capesandbox.com/analysis/170173/

Comments