MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3303026871e51adf4ce267404c9728747f5a7077320264314fdd31bddfb5d9aa. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3303026871e51adf4ce267404c9728747f5a7077320264314fdd31bddfb5d9aa
SHA3-384 hash: 79bbb8ac03fa6f15e1d16f015a8730c43e975dff89a92ff15050d76d99acffcdb0774be0e009d877f67f101b0fb0546f
SHA1 hash: 03a028e380ac7713c612f9a2bc2a0b21b4662877
MD5 hash: 3f255708862b2342dae07bfe8c7a0de5
humanhash: asparagus-autumn-five-april
File name:4Umt5Jw6SGMBy9A.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:751'616 bytes
First seen:2021-05-10 06:56:12 UTC
Last seen:2021-05-10 07:37:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UoJMBVw1hhhEEdIk1adkT6Tw7PZO5p24fcqUGH+E1TmmGA51q6FXPUkj9Dvwe:gGhhhFdIDdgO2EcqveMGA51pTj9Dp
Threatray 4'671 similar samples on MalwareBazaar
TLSH 48F4E03027C86A29C3BE0277C01DC58056FAABD55313CA1DDBD455AD3AA630BB73739A
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/153745/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/721171
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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 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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 409529 Sample: 4Umt5Jw6SGMBy9A.exe Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected AgentTesla 2->54 56 4 other signatures 2->56 6 4Umt5Jw6SGMBy9A.exe 3 2->6         started        11 NXLun.exe 2 2->11         started        13 NXLun.exe 1 2->13         started        process3 dnsIp4 34 192.168.2.1 unknown unknown 6->34 32 C:\Users\user\...\4Umt5Jw6SGMBy9A.exe.log, ASCII 6->32 dropped 58 Writes to foreign memory regions 6->58 60 Allocates memory in foreign processes 6->60 62 Injects a PE file into a foreign processes 6->62 15 RegSvcs.exe 2 4 6->15         started        20 RegSvcs.exe 6->20         started        22 RegSvcs.exe 6->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        file5 signatures6 process7 dnsIp8 36 wasstech.com 204.93.196.181, 49765, 587 SERVERCENTRALUS United States 15->36 28 C:\Users\user\AppData\Roaming\...28XLun.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Tries to steal Mail credentials (via file access) 15->40 42 Tries to harvest and steal ftp login credentials 15->42 48 3 other signatures 15->48 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->46 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3303026871e51adf4ce267404c9728747f5a7077320264314fdd31bddfb5d9aa/
Threat name:
ByteCode-MSIL.Infostealer.Coins
Create hunting rule
Status:
Malicious
First seen:
2021-05-10 04:01:27 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gmbqe2dr4unn6thcm5aezfzior7vu4dxgibgimkp3uy33x5v3gva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
20307f9c8eb3da30dbf30172ebf4e810e44d527196d8c633cea1f10dd118b36b
AgentTesla
5c4676ef5bd6f6d10826944d9e51efadb58fbbb936ff5f10d7aa91235c35946d
AgentTesla
66c452b78b6021522f6b726773698cf4bc94e3e6a6b220ca930996afb30fab7c
AgentTesla
7e2f14e47ce41dff01f74023757a74a7352ff9ce7ee39d2f78b61ff2a5993897
AgentTesla
978adbd45151d6b915f683cef40113cc2fa08ab0686682b2ce44b9f5b33bb4dc
AgentTesla
ab973b31d4c8051aa1d10711842c9059e3fbb50e7e7cf41112936f9bb03c3725
AgentTesla
c91236eb39a96048da112bb1076728a3b42c693f5b6b1484a503b7070a57dea9
AgentTesla
e6dbcc202b8d166379ceeb66411a00bc1d69b92c91e4ca0cc6989783309b7142
AgentTesla
e893fb5f7dccba1301b57ed560d08c2383f61d3c6760809743dd0f67870b7572
AgentTesla
e9342d5c2ca95888a7589ef0fa20636b3534e64a8e7b419e772977c04745dcc7
AgentTesla
+ 4'661 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/210510-2azta19l9e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
dc079b42f77256b86578d3ed180e89ebbc49cf2edbd1328d8a40efae8b3b3d36
MD5 hash:
a513c0ba2f5e0553e5fafcbc7251d336
SHA1 hash:
959abec6005eb72f4c2344be20bcab5e890d048e
Link:
https://www.unpac.me/results/6d60eb94-1209-4fa9-be84-afe84ae5d465/
SH256 hash:
3303026871e51adf4ce267404c9728747f5a7077320264314fdd31bddfb5d9aa
MD5 hash:
3f255708862b2342dae07bfe8c7a0de5
SHA1 hash:
03a028e380ac7713c612f9a2bc2a0b21b4662877
Link:
https://www.unpac.me/results/6d60eb94-1209-4fa9-be84-afe84ae5d465/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/3303026871e51adf4ce267404c9728747f5a7077320264314fdd31bddfb5d9aa

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 3303026871e51adf4ce267404c9728747f5a7077320264314fdd31bddfb5d9aa

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/153745/

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