MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e
SHA3-384 hash: 3e8eb357a05275d2f6cfb7318eaf77383fc08786320b5f101e3a788359c878da2215896e9e1d360216f36fe775ff2f90
SHA1 hash: 4bb3b3e12d29742722c9d56b76140b32f6089352
MD5 hash: 5bd5428d85868bdcdde85376b59f6bcc
humanhash: michigan-magnesium-nitrogen-monkey
File name:New purchase order teams.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:629'760 bytes
First seen:2023-05-02 19:41:08 UTC
Last seen:2023-05-13 22:54:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:7zmMJWjx0+6RY+kgTtMNBixK9J1rytQ5+ck:nmMJWB6RrTtMfiA/uy+ck
Threatray 2'800 similar samples on MalwareBazaar
TLSH T198D4E01251B5CF4AFD39DBF04464FF8467F1B1B7A4E4E1211EB624CADAA9F010A4C62B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
274
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
New purchase order teams.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-02 19:42:14 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/eeb00c89-2139-4705-b13c-f42690df600d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/386154/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/6451678b3d47a64d306ba741/reports/7a4cccd0-9cc4-4228-b387-22106f58ec64/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4f50914-4076-417a-86bd-3e33edc7e1c7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1224947
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e/
Threat name:
ByteCode-MSIL.Backdoor.Androm
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Status:
Malicious
First seen:
2023-05-02 03:36:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jxheiwpfhzljuigislx23mccjjdjrp27m7iw463tm2g4fylsmy7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07ad0c61940072d3f26c6706e550f970c2e3ee59d1b0a519515ebf16e013b11c
Formbook
319ed15753e7ce1ff182e1bd2e4900de9c76300f30cb645c01b57324de50face
Formbook
3ff8da989c0463e0eca88964ea38876e1b9e1e3dfe7cbab96297feadff54713b
Formbook
c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
Formbook
c3c4281831f463d7ee622d35ea584b893b99400c0dc7dda327557d48f10ec564
Formbook
c89bf6380445a49127491a4c68b77bc9ff8ba9b8fa016846ed6cc2274b6133d0
Formbook
ea2bca0128d9498a9905b3408ceb8edecefbc96891ae4bf4403739d21fc98c52
Formbook
f0ce6536bd8f80c0ee0ff1a246fd8447514906a38d4d24ec0d373c814180f9fb
Formbook
f0eef09d45e8b0edf907f9fa6f9bd84a33327f62359fef4b92508a413d68c1b3
Formbook
+ 2'790 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cx01 rat spyware stealer trojan
Link:
https://tria.ge/reports/230502-yem9psea7v/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
65532eced8f8afb2148aae4fea0cf6764349256c0b5a3a89a6875b6bed2a6a09
MD5 hash:
e979886dd03a38f4ea730b97f421196f
SHA1 hash:
6a0f676c2735a5afaea258ee5ab12b9d5299aba4
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1f57a0a4-a7e4-491c-823b-2febe97c59ee/
Parent samples :
c3c4281831f463d7ee622d35ea584b893b99400c0dc7dda327557d48f10ec564
f0eef09d45e8b0edf907f9fa6f9bd84a33327f62359fef4b92508a413d68c1b3
3ff8da989c0463e0eca88964ea38876e1b9e1e3dfe7cbab96297feadff54713b
f0ce6536bd8f80c0ee0ff1a246fd8447514906a38d4d24ec0d373c814180f9fb
319ed15753e7ce1ff182e1bd2e4900de9c76300f30cb645c01b57324de50face
c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
07ad0c61940072d3f26c6706e550f970c2e3ee59d1b0a519515ebf16e013b11c
c89bf6380445a49127491a4c68b77bc9ff8ba9b8fa016846ed6cc2274b6133d0
4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e
3b0069e420ccfba9dff2e274d714fe3f62a6b9f3b5630e0fd28a89f579ebadcd
9c0a4fbfc6a9ee19747c3bd56699ad195ef95f65752476a208f7ef7fc2dd27f8
e30d41df0b3384eb57a607989bdfe40191b4e81df96327c1974f6d05a3a3d83f
880b7f96797851986e0dfb579afb707a7529f1adf9cce67efb7534d4003b8aa7
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/1f57a0a4-a7e4-491c-823b-2febe97c59ee/
SH256 hash:
3527168167a5f3d4329a9477ffc098b909094ac0e9838cfc2de47d9a98e664ec
MD5 hash:
6c3d85406970ec76449f42cb8ad1603f
SHA1 hash:
5e51e41dbbbb876fad62d1eb1bc50a8589d5b4b2
Link:
https://www.unpac.me/results/1f57a0a4-a7e4-491c-823b-2febe97c59ee/
SH256 hash:
7efb61f6e4dfa64a38351e4fb590885105fc85521d35d4fde1ae333226396c07
MD5 hash:
6ab9d01dde32ccc1717841c81e98a24a
SHA1 hash:
4f07e666c11459412c33a765640457c55c3b0e75
Link:
https://www.unpac.me/results/1f57a0a4-a7e4-491c-823b-2febe97c59ee/
SH256 hash:
94aee702e4a270831b00911f115e8f79dfb7291556bf9036021f5f35f5506a19
MD5 hash:
d46dea9e007e18075c411e8a3065e3b4
SHA1 hash:
273ee8afe16fdf26de1332786254ab3cc0637eee
Link:
https://www.unpac.me/results/1f57a0a4-a7e4-491c-823b-2febe97c59ee/
SH256 hash:
4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e
MD5 hash:
5bd5428d85868bdcdde85376b59f6bcc
SHA1 hash:
4bb3b3e12d29742722c9d56b76140b32f6089352
Link:
https://www.unpac.me/results/1f57a0a4-a7e4-491c-823b-2febe97c59ee/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4dce4459e53e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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

Executable exe 4dce4459e53e569a20c892efadb0424a4698bf5f67d16e7b73668dc2e172663e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/386154/

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