MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 648e00c15c666a67220c3afff2a450e777bf2b4a5cda628b6142124c742cf8dc. 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: 6


Intelligence 6 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 648e00c15c666a67220c3afff2a450e777bf2b4a5cda628b6142124c742cf8dc
SHA3-384 hash: 551b2dd7cdfa9315f67b95cdfaf304f63b5af6a7c5edc5716c5de4b065bd68a4a02d61679e472febdb5ea9fbc2b0d0dc
SHA1 hash: ba09a66d585ac3f486f6b2f8d7d36f6e806f3263
MD5 hash: dfe6d5251181e8621a26473d22d37650
humanhash: burger-artist-single-alabama
File name:USD 993,338.02 SWIFT COPY.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:674'792 bytes
First seen:2024-06-13 06:20:29 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:U1b33IENKEM9kfQ1LaFA1Pr4+3s5dzc4XWpZIXmd4S9fpyire0dwuGUkrijjobSl:UJo6dukfEcAudz/wqNm7yoIiRe2rt
TLSH T116E423E089F1728076604921BA1C771E99726A1F4D1C588C93285AAEC37FBD8D52F93F
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla rar SWIFT


Avatar
cocaman
Malicious email (T1566.001)
From: "Kersjes, Timothy C. <Timothy.Kersjes@howmet.com>" (likely spoofed)
Received: "from howmet.com (unknown [45.137.22.230]) "
Date: "13 Jun 2024 03:20:11 +0200"
Subject: "RE: REQUEST FOR BANK RECEIPT"
Attachment: "USD 993,338.02 SWIFT COPY.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:USD 993,338.02 SWIFT COPY.exe
File size:767'496 bytes
SHA256 hash: dbb6f86569f351db8bb43e67f35f0178314707b1d085cc295f26ad56d6553cfe
MD5 hash: 0b9d9c103f27fa4ad25a7b55f9659bb2
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/666a8fcf6b8dba248b4056ff/reports/a10039e5-9131-46d9-9aab-e92f9e164e23/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/648e00c15c666a67220c3afff2a450e777bf2b4a5cda628b6142124c742cf8dc
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/648e00c15c666a67220c3afff2a450e777bf2b4a5cda628b6142124c742cf8dc/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2024-06-12 12:34:03 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mshabqk4mzvgoiqmhl77fjcq45336k2kltngfc3biijey5bm7doa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240613-k8f6lasdrh/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

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

Malspam

AgentTesla

rar 648e00c15c666a67220c3afff2a450e777bf2b4a5cda628b6142124c742cf8dc

(this sample)

AgentTesla

Executable exe dbb6f86569f351db8bb43e67f35f0178314707b1d085cc295f26ad56d6553cfe

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 dbb6f86569f351db8bb43e67f35f0178314707b1d085cc295f26ad56d6553cfe
  
Dropping
AgentTesla
  
Dropping
MD5 0b9d9c103f27fa4ad25a7b55f9659bb2

Comments