MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78fb258de3506eb1a38ee1df88caf29dfa667fe6c2c5870713d95a15ef0bc3ca. 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 2 File information Comments
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SHA256 hash: 78fb258de3506eb1a38ee1df88caf29dfa667fe6c2c5870713d95a15ef0bc3ca
SHA3-384 hash: c8a6979b9d9712a194cc35f7a8eddae17e7c15d64b0024f2da1f175681e723065e13bf525ce7d94cc7d12a71134968cd
SHA1 hash: 08dee284ed7c52dfe338c68d34dae9636baaa84a
MD5 hash: 5c8003788c729d9c9d6f91c62aef10f4
humanhash: five-emma-mango-item
File name:5c8003788c729d9c9d6f91c62aef10f4.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:884'224 bytes
First seen:2021-05-24 16:04:15 UTC
Last seen:2021-05-24 17:07:00 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:WKzvx3UOEy1k9mHt5++jus28bUwRdF/WTOUaNp6g3fl4eoCs2pAWtDTK53SidOV0:vzZEy1k9qH9l29EdlHf3aYDTK53S+
Threatray 27 similar samples on MalwareBazaar
TLSH D215D0AD325475DEC43FD679DA681C68EAF07477831BD20BA12700AD9D4CA87EF211B2
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT103_Payment_copy_SWIFT.doc
Verdict:
Malicious activity
Analysis date:
2021-05-21 10:52:30 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/5fa626be-5b06-4e70-8c4a-e7242d793107

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/790905
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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)
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: 423301 Sample: udmfmrxAek.exe Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 7 udmfmrxAek.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\giSwhUt.exe, PE32 7->19 dropped 21 C:\Users\user\...\giSwhUt.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpFCA9.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\udmfmrxAek.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 43 Injects a PE file into a foreign processes 7->43 11 udmfmrxAek.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.privateemail.com 198.54.122.60, 49768, 587 NAMECHEAP-NETUS United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/78fb258de3506eb1a38ee1df88caf29dfa667fe6c2c5870713d95a15ef0bc3ca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-21 13:01:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
28 of 47 (59.57%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
140e822c807f3e1d5a504ebb105a87bf055734e82756198d7cebc3855f67e9da
AgentTesla
22637e06185c1729dc491bf0d47763f8e549ae5a16223b04579240a0bbfa9f1f
AgentTesla
25e023b62ee80e6d9de88b4e98da96e085f690d11a3b0c4d7a5aa1c1ac7bf4fb
AgentTesla
539d75f22db3ccc962683432784f32863230bcd123f5b545debbe51023ed1cf8
AgentTesla
5d682752f7d6be29263d214f2b04f2db8371f42afd05852f5a32d54a135cb437
AgentTesla
95f09e032a3c803a4104efd4bb56166edb75dcd7d4c872913b7c51e716cd5893
AgentTesla
993062780284d866c72f85069edee0bd933fbe3e18eae1f39f6cbf3898278ab5
AgentTesla
b588f25ef42e6fae83e39cb834796543114a006d896c942c76433ddf9c77bb5f
AgentTesla
d2bac44cba56046647fc6f5c85dd5f926ba8ab5eae7f415e652d3820fa63e4ad
AgentTesla
f63ae33c3125d7f5750c59ca2a85e8bf3b165e751ec1560af3a5b09d0549e260
AgentTesla
+ 17 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210524-t99g9s6yax/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/78fb258de3506eb1a38ee1df88caf29dfa667fe6c2c5870713d95a15ef0bc3ca

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.

Web download

AgentTesla

Executable exe 78fb258de3506eb1a38ee1df88caf29dfa667fe6c2c5870713d95a15ef0bc3ca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1277237/
  
Delivery method
Distributed via web download

Comments