MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58. 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: 19


Intelligence 19 IOCs YARA 16 File information Comments
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SHA256 hash: bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58
SHA3-384 hash: 1a90f0cbdb3777c9397d1df8323e4f65ff3dfc2c5ca8354fe7ffbae87895d04493c964580449648bf7a314fd97f48df5
SHA1 hash: 2eba02407a65333a3675b0bafda8ddd3f2f7fc99
MD5 hash: 7911215edc491695bf598dbff6f1d0c1
humanhash: skylark-ack-apart-east
File name:231210-01-AgentTesla-2eba02.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:240'640 bytes
First seen:2024-07-24 12:11:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:UR1ZlxGUdnFTKh6BbiYHXvf4Ax+C0c+g:UR1ZlxGUdnFKobf/jMX
Threatray 3'878 similar samples on MalwareBazaar
TLSH T103340E037E48EB15E5A83E3782EF6C2413B2B0C71633C60B6F49AFA518516925D7E72D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Anonymous
Tags:AgentTesla exe


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
316
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
final_stage.exe
Verdict:
Malicious activity
Analysis date:
2023-12-31 07:49:19 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/21b71b68-7c82-4076-bd82-7490233ac188

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilperseus-9956591-0
Create hunting rule

Win.Packed.Generic-10003641-0
Create hunting rule

Win.Packed.Generic-10011753-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a0ef966f74caeb2f89b648
Tags:
Infostealer Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla anti-vm evasive fingerprint hacktool hook keylogger lolbin remote stealer vbnet
Link:
https://www.filescan.io/uploads/66a0ef96dfa8b2fced4dfba5/reports/dbcbf208-9de6-47bc-a604-041e7b6060d3/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58
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/3d1ea76b-2f57-47fb-9705-a52f434f6d43
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480036
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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)
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 / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-10 05:03:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrazre5csshylkstv4uq5sth3rrgvmkgpnzkivazhboq7zyj7vma._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
02dde64610d19f1d51a35f304691885db239dd187e2650d0071d26b3cf105240
AgentTesla
5f9ee678455399dd85542787b4064b3966616893698b295e111f4ebf7866b094
AgentTesla
961501b7f2e2ba7d255fc9cc4de8dfd0697dd2265c2e4e316f92854166614c31
AgentTesla
+ 3'868 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla credential_access discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240724-pc6tlavfrm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
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
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/45ae0dce-3b6f-4b7b-8639-87ef62090fc3
Unpacked files
SH256 hash:
bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58
MD5 hash:
7911215edc491695bf598dbff6f1d0c1
SHA1 hash:
2eba02407a65333a3675b0bafda8ddd3f2f7fc99
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/d01e4d66-0fbc-44b7-b4d8-0ac1df8ef9b1/
Parent samples :
2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4
760870faeb6c745b911d6a40a785ca0f42f15d6e454899afd40ecc64c5d6522b
961501b7f2e2ba7d255fc9cc4de8dfd0697dd2265c2e4e316f92854166614c31
c672b9f17d0f36dfd43f786dda0bacfc288600734c81f10fead1818430fd00f6
5f9ee678455399dd85542787b4064b3966616893698b295e111f4ebf7866b094
bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc419893a294/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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
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.

Malspam

AgentTesla

Executable exe bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
Delivery method
Distributed via e-mail attachment

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 (HIGH_ENTROPY_VA)high

Comments