MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcb63c80b4b0c627f4a89aa24845e3e9ff0442f23a30ce0d1be48eba2a5d3a36. 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: 8


Intelligence 8 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcb63c80b4b0c627f4a89aa24845e3e9ff0442f23a30ce0d1be48eba2a5d3a36
SHA3-384 hash: 52931bf67953154a88d55dd7f5612b21dacc4f91554d59a193b0c75a93eff7c9bfebaf4c17ca0f6e08806f1dc9700e71
SHA1 hash: a7e3a9e0ee2189789e8496b10f00871067969a8a
MD5 hash: 47237459049e1a1fef406c60bf2e579c
humanhash: georgia-india-mango-pizza
File name:PURCHASE ORDER.r15
Download: download sample
Signature AgentTesla
Create hunting rule
File size:674'980 bytes
First seen:2024-04-03 10:00:29 UTC
Last seen:2024-04-03 10:03:23 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:mc6tcqbjiPZ5QqNJI7l0bsaGB6HoyVY1LPGGLuu5x/jWC:38iUqNaZIG6WPGMKC
TLSH T182E4232DFE708E65FEA623D80F594DA860CA744B2C6C66569E077F0ED07A74103FA315
TrID 58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1)
41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla r15 rar


Avatar
cocaman
Malicious email (T1566.001)
From: "sales@ricoeng.com.sg" (likely spoofed)
Received: "from ricoeng.com.sg (unknown [64.188.27.97]) "
Date: "03 Apr 2024 03:02:34 -0700"
Subject: "Fwd: INQUIRY FOR NEW PURCHASE ORDER (URGENT!)..."
Attachment: "PURCHASE ORDER.r15"

Intelligence

File Origin
# of uploads :
3
# of downloads :
99
Origin country :
CH CH
File Archive Information

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

File name:PURCHASE ORDER.exe
File size:720'896 bytes
SHA256 hash: a48b8a6ca726f32569a7e2041803898a902437ee7724da53accfb6dc52fa8a87
MD5 hash: e00fdc1a9fb6b825777ec17cbbae95ca
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/bcb63c80b4b0c627f4a89aa24845e3e9ff0442f23a30ce0d1be48eba2a5d3a36/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/660d28e1d463a7b0477dae81/reports/d18bbe52-9336-48dd-8994-43ebd00f8409/overview
Verdict:
Suspicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/bcb63c80b4b0c627f4a89aa24845e3e9ff0442f23a30ce0d1be48eba2a5d3a36
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/bcb63c80b4b0c627f4a89aa24845e3e9ff0442f23a30ce0d1be48eba2a5d3a36/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 06:14:45 UTC
File Type:
Binary (Archive)
Extracted files:
14
AV detection:
23 of 36 (63.89%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xs3dzafuwddcp5fitkreqrpd5h7qiqxshiym4di34shluks5hi3a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240403-pea5psch9w/
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
AgentTesla
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/bcb63c80b4b0c627f4a89aa24845e3e9ff0442f23a30ce0d1be48eba2a5d3a36

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
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 bcb63c80b4b0c627f4a89aa24845e3e9ff0442f23a30ce0d1be48eba2a5d3a36

(this sample)

AgentTesla

Executable exe a48b8a6ca726f32569a7e2041803898a902437ee7724da53accfb6dc52fa8a87

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 a48b8a6ca726f32569a7e2041803898a902437ee7724da53accfb6dc52fa8a87
  
Dropping
AgentTesla
  
Dropping
MD5 e00fdc1a9fb6b825777ec17cbbae95ca

Comments