MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03883279c4da0b030486ea0382bc3366b33f376e4a480f39ff2022f1b560e7cb. 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: 18


Intelligence 18 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03883279c4da0b030486ea0382bc3366b33f376e4a480f39ff2022f1b560e7cb
SHA3-384 hash: 8bd88b6b0d7d368382a184dd934ab3884d2e0d674369542a325157a6b9cd12064919dd313d0b1e40bd032d31a2a9a0bd
SHA1 hash: 4bfcb06029f3a17fe767e21e0785a12d018652f5
MD5 hash: eabbe4d4d0c4935bb9298a7182198b10
humanhash: summer-ack-triple-william
File name:wM5ikCPtyUl2ltk.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:772'608 bytes
First seen:2024-04-15 08:48:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:Ee+NBHRX3Um7Rop8GdW1WYO8YSZGHFfJ2dr9MrN/C3WoOLuqnKtF/S/gKcMd:CNzEmekYjFMdr9KN/CmHMJS/pcMd
TLSH T1A3F41250212CB673DE6E21FF09D5348673B822A47075EBCE6CD2A4D51680FE146A7FA3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00822a6ed7a78600 (12 x AgentTesla, 2 x Neshta, 2 x Formbook)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
447
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SWIFT.IMG
Verdict:
Malicious activity
Analysis date:
2024-04-15 06:53:47 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/2318a3d7-45d8-45c3-a422-79949cf46de9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/661cea050b46b3036938a196/reports/cf91ad24-0ab6-4818-b3ea-84e0345a7049/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/03883279c4da0b030486ea0382bc3366b33f376e4a480f39ff2022f1b560e7cb
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ae8452cc-300a-45b6-a4da-be5960ff8c75
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1426027
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/03883279c4da0b030486ea0382bc3366b33f376e4a480f39ff2022f1b560e7cb
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/03883279c4da0b030486ea0382bc3366b33f376e4a480f39ff2022f1b560e7cb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-15 06:59:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aoede6oe3ifqgbeg5ibyfpbtm2zt6n3ojjea6op7earpdnla47fq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240415-kq1saaaf29/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
fba896534f6cfe65718bada781c7915675c663ec55c379969e77e15011620319
MD5 hash:
1e8f8e41d9b06153b7bd3e5456c2eebd
SHA1 hash:
da04ae12090a2d7a289cef0a71b2f4528622d31c
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/b60cb5d5-8e68-4507-b4d8-ab19bd567331/
SH256 hash:
85d4e484ee091800a4be980b13524da682d622d2d571b4df832fa0c9ea5e6da0
MD5 hash:
46deab64864f9caecbaa7220c3f2a5f1
SHA1 hash:
ae2dacd4a9f214fc47bb90ffcc3b627548135961
Link:
https://www.unpac.me/results/b60cb5d5-8e68-4507-b4d8-ab19bd567331/
SH256 hash:
83aedc421f687a0f59762b57bcb7968a2bbc59fc7458fd2c2bedb48ee78a3d5a
MD5 hash:
56f5e0a6ac810fa9eb141126a2867ca0
SHA1 hash:
91e8f1dce4d8538316c8c3f54c37593cbcb168f6
Link:
https://www.unpac.me/results/b60cb5d5-8e68-4507-b4d8-ab19bd567331/
SH256 hash:
00adfda2070b1af01dbf85441a8e3e6d8cdc232f4d51ed0abd346a85dd476e33
MD5 hash:
da0c637b5c1da4b8dd809b395c0667b8
SHA1 hash:
1854a8cc5592be14df3506dfd0fc8de9acb49e08
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/b60cb5d5-8e68-4507-b4d8-ab19bd567331/
SH256 hash:
03883279c4da0b030486ea0382bc3366b33f376e4a480f39ff2022f1b560e7cb
MD5 hash:
eabbe4d4d0c4935bb9298a7182198b10
SHA1 hash:
4bfcb06029f3a17fe767e21e0785a12d018652f5
Link:
https://www.unpac.me/results/b60cb5d5-8e68-4507-b4d8-ab19bd567331/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/03883279c4da/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/03883279c4da0b030486ea0382bc3366b33f376e4a480f39ff2022f1b560e7cb

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments