MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 938db96ba8d7805216d1159da38fab4bdd45cf95c33190962ab3337e7ad6ccec. 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: 6


Intelligence 6 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 938db96ba8d7805216d1159da38fab4bdd45cf95c33190962ab3337e7ad6ccec
SHA3-384 hash: 6b115b0600c9873944cc83d01ec8b428533579677ba61b517d487c177db62c425d1cce709ae789cb94117f7a9d197e23
SHA1 hash: fd8d5b13ca8f3180e3d9f32c9b3f78f96adabb47
MD5 hash: a4f56daa5924b54370930a94c2047d36
humanhash: idaho-march-early-hamper
File name:Bank Details.pdf.r00
Download: download sample
Signature Formbook
Create hunting rule
File size:610'381 bytes
First seen:2024-04-22 07:26:45 UTC
Last seen:2024-04-22 08:27:40 UTC
File type: r00
MIME type:application/x-rar
ssdeep 12288:zskPdTMrqL9IKZvy9nCmHzHr24nEWaj5A+GbljP3qLzFkMw9pm:IKyrqL9IKZd4HrmTj5A+VLzDwzm
TLSH T176D4230E3ED95DA69F072379C11AB8E91011B7911946A9ECF4C76C07CD8CE1EB46A2CF
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook r00


Avatar
cocaman
Malicious email (T1566.001)
From: "alex <alex@itw-sh-buckle.com>" (likely spoofed)
Received: "from waghmare.com (unknown [185.222.58.83]) "
Date: "22 Apr 2024 10:26:44 +0200"
Subject: "Bank Details"
Attachment: "Bank Details.pdf.r00"

Intelligence

File Origin
# of uploads :
3
# of downloads :
105
Origin country :
CH CH
File Archive Information

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

File name:Bank Details.pdf.exe
File size:665'088 bytes
SHA256 hash: e1fd783c3c5c3a686b2ae04b64ecce2b3c5e00d2bed04cdbf8f420a57d82208e
MD5 hash: 70f1ab254a32c6050743605d6f3384d5
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed
Link:
https://www.filescan.io/uploads/66261146b575a100a231c9ee/reports/52798d6b-63cb-46d0-a0de-68955b270fae/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/938db96ba8d7805216d1159da38fab4bdd45cf95c33190962ab3337e7ad6ccec
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/938db96ba8d7805216d1159da38fab4bdd45cf95c33190962ab3337e7ad6ccec/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-04-22 07:26:49 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sog3s25i26afefwrcwo2hd5ljpoult4vymyzbfrkwmzx46wwztwa._file
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4
Create hunting rule
Author:Florian Roth
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

r00 938db96ba8d7805216d1159da38fab4bdd45cf95c33190962ab3337e7ad6ccec

(this sample)

Formbook

Executable exe e1fd783c3c5c3a686b2ae04b64ecce2b3c5e00d2bed04cdbf8f420a57d82208e

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e1fd783c3c5c3a686b2ae04b64ecce2b3c5e00d2bed04cdbf8f420a57d82208e
  
Dropping
Formbook
  
Dropping
MD5 70f1ab254a32c6050743605d6f3384d5

Comments