MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cedbc49994b3d73921eae47e101311e255f9efdcbff58acd6e4e61ec1f47f95e. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cedbc49994b3d73921eae47e101311e255f9efdcbff58acd6e4e61ec1f47f95e
SHA3-384 hash: 0ce7e89ddd5fcceb15fa75af0b4469a6b0d068396c90d145fc1d0bdecae662fb977d1d1754dcf01d6287b97cf5dc1baf
SHA1 hash: f80a678313b26078cf633fd14929f6fff9750ee0
MD5 hash: 10d4bfb06fb6f1b281ade80d95ea6c26
humanhash: maine-october-montana-gee
File name:RE.Documents Purchase Order products 23100290683v pdf.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:531'562 bytes
First seen:2023-11-02 09:42:03 UTC
Last seen:2023-11-02 10:41:04 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:5f0IZYcNvg7KCImA1/oZ1a2SL+aS7rY1Wg6s1WnoPg88w5e:h5ZpY7vF7uL+hg1WgB1WnoP5R5e
TLSH T179B423C56891130F50FD06255C178CB91F0AA86FAFE176040BEF4AE473C78B68ADE9D6
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "sevil.tezel@uzmanotomasyon.com.tr" (likely spoofed)
Received: "from uzmanotomasyon.com.tr (unknown [163.123.142.181]) "
Date: "02 Nov 2023 09:41:23 +0100"
Subject: "RE.Documents Purchase Order products 23100290683"
Attachment: "RE.Documents Purchase Order products 23100290683v pdf.zip"

Intelligence

File Origin
# of uploads :
2
# of downloads :
93
Origin country :
DE DE
File Archive Information

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

File name:RE.Documents Purchase Order products 23100290683v pdf.exe
File size:549'376 bytes
SHA256 hash: 81f680191094ca2497c7798b37b83009157a7201dc0f27839c2860d5eb968fd1
MD5 hash: 646d8eec77ad22f3736542618cca0039
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3391.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.TrojanX-gen.2190.25121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/cedbc49994b3d73921eae47e101311e255f9efdcbff58acd6e4e61ec1f47f95e/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65436f26b972f2e9fdc3f86f/reports/d4caa1ee-1186-4f0d-a832-e12a9dbe9cc3/overview
Verdict:
Malicious
Labled as:
Mal/DrodZp
Link:
https://www.hybrid-analysis.com/sample/cedbc49994b3d73921eae47e101311e255f9efdcbff58acd6e4e61ec1f47f95e
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/cedbc49994b3d73921eae47e101311e255f9efdcbff58acd6e4e61ec1f47f95e
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/cedbc49994b3d73921eae47e101311e255f9efdcbff58acd6e4e61ec1f47f95e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-02 06:03:13 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z3n4jgmuwpltsipk4r7baeyr4jk7t364x72yvtlojzq6yh2h7fpa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cc73 rat spyware stealer trojan
Link:
https://tria.ge/reports/231102-ltbs1aab9x/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
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/cedbc49994b3d73921eae47e101311e255f9efdcbff58acd6e4e61ec1f47f95e

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: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: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:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
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

zip cedbc49994b3d73921eae47e101311e255f9efdcbff58acd6e4e61ec1f47f95e

(this sample)

Formbook

Executable exe 81f680191094ca2497c7798b37b83009157a7201dc0f27839c2860d5eb968fd1

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 81f680191094ca2497c7798b37b83009157a7201dc0f27839c2860d5eb968fd1
  
Dropping
MD5 646d8eec77ad22f3736542618cca0039

Comments