MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20e5ab7bcccf860d84743d7949340e507f2e0746fce2defb3cdbeb871565402a. 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

SHA256 hash: 20e5ab7bcccf860d84743d7949340e507f2e0746fce2defb3cdbeb871565402a
SHA3-384 hash: 8aa13494731016bb4c262a98681bde20f768ef3d540050b3b60adc4096cb6516177df48a79fa1b6abcd798a56d31729e
SHA1 hash: c14e36c6d12c5020fc592bdd218db24f950b7018
MD5 hash: f8455483273ee9c638a26cea10e9e863
humanhash: nitrogen-nebraska-comet-monkey
File name:Documents.rar
Download: download sample
Signature Formbook
File size:596'439 bytes
First seen:2023-10-31 06:44:36 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:7ZESUAPKS7pAU2iPw4NWxi0DP1Sg7BKHPbCY1X623RH:F6tS7SUfPxNeX1Sg7oHPbbRBH
TLSH T126C4238E3284D8F4F45BE7EF83DB8A1001DD8A9287347929C6518DD753DD0534ABF62A
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 Shipping


Avatar
cocaman
Malicious email (T1566.001)
From: "Kumar Amit <amit@urenergyglobal.com>" (likely spoofed)
Received: "from urenergyglobal.com (unknown [185.222.57.155]) "
Date: "31 Oct 2023 05:04:47 +0100"
Subject: "RE: Shipping documents/Invoice and Packing List, Certificate of Origin "
Attachment: "Documents.rar"

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
CH CH
File Archive Information

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

File name:Documents.exe
File size:623'616 bytes
SHA256 hash: e4b2f31e7c9fb2df6cf161898f23653c49d758f8f733e5910b99f3fd998569e0
MD5 hash: 411b8eb23af4c2864c19e5539066d4b5
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-31 04:46:28 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
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 20e5ab7bcccf860d84743d7949340e507f2e0746fce2defb3cdbeb871565402a

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments