MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9e9be1bbbc551ffd8be20434fa646e472d5325636db2c300930ff453531a634. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9e9be1bbbc551ffd8be20434fa646e472d5325636db2c300930ff453531a634
SHA3-384 hash: 262b566375dff5c25b71a3a09e6703bae2855eed6c172f469b4d61785f215e7b9409afe03e82e28e249439f1c0f7e3dc
SHA1 hash: 70dd9d9ced444b8fde40bd82a9a9f18ef7f57734
MD5 hash: 8f119fe586ccb8f0dc5ffa7a631d2ef2
humanhash: double-foxtrot-delta-beryllium
File name:CH2023-EGR012-60_61_62_63_64.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:570'899 bytes
First seen:2023-09-25 06:31:24 UTC
Last seen:2023-09-25 06:31:51 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:EcQ95zbti5zpHAIL+xd1yodLDMlTN7A+q6YmejDpFR:hQ9txizH4goZeG+vuHpj
TLSH T16DC433384DCBCD659BE6D45951227A6D32B7B8B7CB30E4A61957FA00F0B4E096007DE3
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook INVOICE rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Mandy Tang <info@firebirdref.com>" (likely spoofed)
Received: "from [81.161.229.115] (unknown [81.161.229.115]) "
Date: "25 Sep 2023 08:30:15 +0200"
Subject: "RE: Overdue Invoices"
Attachment: "CH2023-EGR012-60_61_62_63_64.rar"

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
CH CH
File Archive Information

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

File name:CH2023-EGR012-60_61_62_63_64.exe
File size:873'984 bytes
SHA256 hash: ae5f1fa9855fd6e4511a674f0a0465df7960a757409a0d176f50b10fd14925ad
MD5 hash: 1ec809fe6df06e1671dae8ef802ed39d
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20230925-0837.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/a9e9be1bbbc551ffd8be20434fa646e472d5325636db2c300930ff453531a634/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65112963988a26b6d9708364/reports/eaf30ef7-a976-4558-8ea7-f6b8a6b7021b/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/a9e9be1bbbc551ffd8be20434fa646e472d5325636db2c300930ff453531a634
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/a9e9be1bbbc551ffd8be20434fa646e472d5325636db2c300930ff453531a634/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-09-25 02:11:50 UTC
File Type:
Binary (Archive)
Extracted files:
17
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vhu34g53yvi77wf6ebbu7jsg4rznkmswg3nsymajgd7uknjruy2a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sn26 rat spyware stealer trojan
Link:
https://tria.ge/reports/230925-lggtgsea41/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
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/a9e9be1bbbc551ffd8be20434fa646e472d5325636db2c300930ff453531a634

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: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

File information

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

Malspam

Formbook

rar a9e9be1bbbc551ffd8be20434fa646e472d5325636db2c300930ff453531a634

(this sample)

Formbook

Executable exe ae5f1fa9855fd6e4511a674f0a0465df7960a757409a0d176f50b10fd14925ad

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 ae5f1fa9855fd6e4511a674f0a0465df7960a757409a0d176f50b10fd14925ad
  
Dropping
MD5 1ec809fe6df06e1671dae8ef802ed39d

Comments