MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd. 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: 16


Intelligence 16 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd
SHA3-384 hash: b3b9fb5fb34a61f92b8e5927b4c1b8224ed42ad84149f4e198ccbb7a8557f82cc69dca18cc3bf78d473513693ea5d5a5
SHA1 hash: 873dcee67be13ddef3ed9145b6008c89b44eb4f3
MD5 hash: e42d457317360c8d5308efd134d7cdd1
humanhash: jupiter-michigan-alabama-carbon
File name:opkgdffg.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:343'040 bytes
First seen:2023-12-11 08:00:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:W6sAuV9qFsBDNkRvmJ6MRmAWoWQj+cFFGWeqv4iPvFTwCHxrdQ8eq844iFECA4OQ:W6BTFsBDN5J6OmxohFnXTVG8eAFE6OI
Threatray 3'446 similar samples on MalwareBazaar
TLSH T1CB742211BADD2C2BD31566F868E35A102772BFC56034E4EF6CAD201E9FCB7904913B66
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c89c98acacacbcac (31 x Loki, 23 x AgentTesla, 22 x AveMariaRAT)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/464961/
Detection(s):
Win.Dropper.Smdd-6956905-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Reading critical registry keys
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin monero packed
Link:
https://www.filescan.io/uploads/6576c1c0eba1080314892e28/reports/89bfe493-cb37-4974-b632-9c0e615f55ed/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd
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/9d86578e-1ce4-40f1-998e-32d0fbd8103c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1358166
Signature
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Snort IDS alert for network traffic
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-12-11 08:01:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
15 of 22 (68.18%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zakbbe4lgj47ceir7w3klptgx5nffixjakwupktba3hdf6ujhlgq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
5296d5c3990b7662dcf037851ca21b153fa667553f83976b21d1ba6867fb1d26
AgentTesla
897f63b1e9aa84952f2412533fece39161f4fb4ee3077ee5d430ffc13a4383c7
AgentTesla
c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd
AgentTesla
ee2cd4c4e84a33e7ffc4580229719e10f89a1be406aaacdedcba45b552a56f78
AgentTesla
f4cf2a5eba5104f17dcadf06a03a269157bfe9bb726c4bf0291519f47c2736f2
AgentTesla
+ 3'436 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/231211-jwjkhsaeb3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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/bot6669461375:AAGwrSGDuGS4lzGe3ziI4ubZc9TzQ8r1m8o/
Unpacked files
SH256 hash:
0bc904bdb0bb54ee64913f5dc6d245922c1044d0c2cd575b2c382a116b5e3f27
MD5 hash:
9ad6e55fb45ad128ed7c005d79ce81b4
SHA1 hash:
35605f2a507ada400cfc4b837c9e47999a14b555
Detections:
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/4f4f60cc-f79c-474d-be01-cba1a6f75887/
Parent samples :
f4cf2a5eba5104f17dcadf06a03a269157bfe9bb726c4bf0291519f47c2736f2
897f63b1e9aa84952f2412533fece39161f4fb4ee3077ee5d430ffc13a4383c7
c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd
854e65403562a8cb2b190adeb04af36231880e66c3f283176f5b338a807db721
86a618fcaba9df35ca00ddea1978760b2f92e5b4a9c2ab749d79464e4c03dc2b
SH256 hash:
c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd
MD5 hash:
e42d457317360c8d5308efd134d7cdd1
SHA1 hash:
873dcee67be13ddef3ed9145b6008c89b44eb4f3
Link:
https://www.unpac.me/results/4f4f60cc-f79c-474d-be01-cba1a6f75887/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c81410938b32/report/overview.html
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/c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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: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

File information

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

Malspam

AgentTesla

Executable exe c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/464961/

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