MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16c05925afd21e37bc2382b134a210df06955ccb03f970d8339ff5857a80cbd1. 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


Formbook


Vendor detections: 7


Intelligence 7 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16c05925afd21e37bc2382b134a210df06955ccb03f970d8339ff5857a80cbd1
SHA3-384 hash: 5dcaf562d6272db64182eaa92339393636f82716b499d1d9651656d20f86857c0b5ba2577d6853b5ee55187b64eff3f2
SHA1 hash: 4127136345cb296b7b4953f622e96c6d3929f66e
MD5 hash: 1dee497c9767eed853d83d76fae7394a
humanhash: zebra-william-green-eighteen
File name:Purchase Inquiry List.arj
Download: download sample
Signature Formbook
Create hunting rule
File size:627'013 bytes
First seen:2024-01-23 10:54:36 UTC
Last seen:Never
File type: arj
MIME type:application/x-rar
ssdeep 12288:5QUmPIQCoWUUBjhRJUlbvAqW0qflQuI7kRjbfRu26ts0XQ:5QRvpKjhoh1lq9QuI7k51GQ
TLSH T137D4338DC763938AB7FC6987E463BEED1466428330E05E347D956423951F883D287B35
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:arj FormBook


Avatar
cocaman
Malicious email (T1566.001)
From: "Emily See <noreply@mail.com>" (likely spoofed)
Received: "from 72.11.142.157.static.quadranet.com (unknown [72.11.142.157]) "
Date: "23 Jan 2024 02:54:08 -0800"
Subject: "PURCHASE INQUIRY"
Attachment: "Purchase Inquiry List.arj"

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
CH CH
File Archive Information

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

File name:Purchase Inquiry List.exe
File size:660'992 bytes
SHA256 hash: 3730cb53c74ac925b65e3c43e603f1a2664d5b06d1c9239403a7178ce9c3e4e0
MD5 hash: a43ba259c860a31a93e7d2f0ea2576f7
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65af9b08f3cf17c17b76bcf2/reports/8c73027b-f3df-4ea5-8aaa-cf81084e437c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/16c05925afd21e37bc2382b134a210df06955ccb03f970d8339ff5857a80cbd1
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/16c05925afd21e37bc2382b134a210df06955ccb03f970d8339ff5857a80cbd1/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-01-23 06:15:36 UTC
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c3afsjnp2ipdppbdqkytjiqq34djkxglap4xbwbtt72yk6uazpiq._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/16c05925afd21e37bc2382b134a210df06955ccb03f970d8339ff5857a80cbd1

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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
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_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
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

Formbook

arj 16c05925afd21e37bc2382b134a210df06955ccb03f970d8339ff5857a80cbd1

(this sample)

Formbook

Executable exe 3730cb53c74ac925b65e3c43e603f1a2664d5b06d1c9239403a7178ce9c3e4e0

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 3730cb53c74ac925b65e3c43e603f1a2664d5b06d1c9239403a7178ce9c3e4e0
  
Dropping
Formbook
  
Dropping
MD5 a43ba259c860a31a93e7d2f0ea2576f7

Comments