MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4f07c6bd1da88ebbcdee2b467d306472052dd5f30dd579104e787c6a2263da9. 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: 10


Intelligence 10 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4f07c6bd1da88ebbcdee2b467d306472052dd5f30dd579104e787c6a2263da9
SHA3-384 hash: c36aff76f2b0ce866655acbdc69d4a453cf317f4634cd1f48a6f6c1667329d7b94e944e674c1ed33cab5ffb075cb6448
SHA1 hash: 42b4e26c036684c786ede364338a35d1fcff680d
MD5 hash: dac025aa7cfe018061874fbd00385a98
humanhash: lithium-september-tennessee-potato
File name:Proforma Invoice - Well Ergon.7z
Download: download sample
Signature AgentTesla
Create hunting rule
File size:261'167 bytes
First seen:2024-04-16 08:23:47 UTC
Last seen:Never
File type: 7z
MIME type:application/x-7z-compressed
ssdeep 6144:mXooyLhQfNBriuQYmI7G6xrfdVnbERcYGNNBVllYSpmf:v1QfNBeu3mIycrfBV7ef
TLSH T11C44237CFD206980EB8AAF0A3CF75D518D2AE7F70670E4F850DDF6182C4E892925D4A1
TrID 57.1% (.7Z) 7-Zip compressed archive (v0.4) (8000/1)
42.8% (.7Z) 7-Zip compressed archive (gen) (6000/1)
Reporter cocaman
Tags:7z AgentTesla INVOICE payment


Avatar
cocaman
Malicious email (T1566.001)
From: "fahim@jiecang.com <fahim@jiecang.com>" (likely spoofed)
Received: "from jiecang.com (unknown [191.101.130.245]) "
Date: "15 Apr 2024 21:14:30 -0700"
Subject: "Payment against Proforma Invoice - Well Ergon"
Attachment: "Proforma Invoice - Well Ergon.7z"

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
CH CH
File Archive Information

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

File name:Proforma Invoice - Well Ergon.exe
File size:354'816 bytes
SHA256 hash: e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726
MD5 hash: d6ef5b4c4627dc06ababa7f1276edc79
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Suspicious
File Type:
PE File
Link:
https://app.docguard.net/f4f07c6bd1da88ebbcdee2b467d306472052dd5f30dd579104e787c6a2263da9/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade monero packed
Link:
https://www.filescan.io/uploads/661e35a654bafb7d21ce893b/reports/4d30cf72-76f7-4062-8f61-82b6e15dcc2d/overview
Verdict:
Suspicious
Labled as:
Mal/Drod7zip
Link:
https://www.hybrid-analysis.com/sample/f4f07c6bd1da88ebbcdee2b467d306472052dd5f30dd579104e787c6a2263da9
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.
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/f4f07c6bd1da88ebbcdee2b467d306472052dd5f30dd579104e787c6a2263da9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4f07c6bd1da88ebbcdee2b467d306472052dd5f30dd579104e787c6a2263da9/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-16 00:22:16 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6tyhy26r3keoxpg64k2gpuygi4qffxk7gdovpeie46d4nirghwuq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240416-mydzlaad6t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
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/f4f07c6bd1da88ebbcdee2b467d306472052dd5f30dd579104e787c6a2263da9

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: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
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

7z f4f07c6bd1da88ebbcdee2b467d306472052dd5f30dd579104e787c6a2263da9

(this sample)

AgentTesla

Executable exe e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726
  
Dropping
AgentTesla
  
Dropping
MD5 d6ef5b4c4627dc06ababa7f1276edc79

Comments