MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e
SHA3-384 hash: 2aaba1ee0d5ba1de211f5e806bb345286d442ab2d4c6da896eadf3e6b1fc53bd59b9cb58babb2828a86f8041417675d5
SHA1 hash: 1ffef86f7e5857965bce926ece4199547f636c47
MD5 hash: f3d96544c9e16715a37486f2747a0d38
humanhash: nineteen-eighteen-music-ten
File name:rRecibodetransferenciadepago20240214Bs8508500.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:702'464 bytes
First seen:2024-02-15 15:30:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:qCBDRaWTYOEvazBIjYBMsijXJDe4D44444MVieQ6uJ9JUFfCjpm/5uTsU2Z9BmQ4:/o3tVieQZJUxCjEBssUyBmQdVx4Cr+
Threatray 789 similar samples on MalwareBazaar
TLSH T196E412902B99E769DDAE8BFB09E0AB9017FABD6F11A1D7EF1DD140CE0275F11050091B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
303
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
38711ead-8ff5-6aaf-4536-839d51feeec0.eml
Verdict:
No threats detected
Analysis date:
2024-02-14 19:16:44 UTC
Tags:
spam
Link:
https://app.any.run/tasks/477c4ec4-10de-425d-bd36-30d786eaf560

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/476361/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65ce2e3e90a5367ac0c6b7e6/reports/3900449f-94b5-40a9-a8f9-19dfd23fe4ac/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee66f376-c730-482c-a64f-60b85b381c7e
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1392948
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-02-14 17:43:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iamdccebw23x3mxjpnaa5txapssa2zoxf5qe7dnq7bnyqfotzfha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e053c6bce5db98306f6795783016d7d94aaac748c80798210d7932e0c248d61
Formbook
3c89aeb703a2550cc4824ea72fb1003cb74433c85387717afd025fa584865d94
Formbook
4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e
Formbook
54f104ddeef486eb81affdbdc74648b1e10605fdcb415fb3749970f55a09c10d
Formbook
9df6347fd6d4c18024e5330a6d05ab03d7f85f7aa70d7f083bf80f764852a367
Formbook
a3a8b21586cf15fb1113fc72dd40f25be6c60ec3f823bc023e783a789a9b15c3
Formbook
a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8
Formbook
bb8548a744cd648172b769babfe7fb42aec25bc35e812f491af41d31c4c92d13
Formbook
d1fdb78142a09be2db38f3e704f9cc96649745d1055eef07a702ed674cb4b9ed
Formbook
+ 779 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:pz08 rat spyware stealer trojan
Link:
https://tria.ge/reports/240215-sx2bdsag23/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
24e196036554f430cfb19fb9343e4d2ee0f51129c1b270974ae27bd6581cf33b
MD5 hash:
261de885397be969e26e090bdc497544
SHA1 hash:
f10620c94b6d588a0a142904bc29dd32aa36ff93
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/1ffd3358-857b-430c-ba0b-a4066bc73a13/
Parent samples :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 hash:
085770560d9f0035a2416ea0f5375a9456221236796f4e5346bad61e956598d8
MD5 hash:
ca2f9695aa16063d24b5f2e9e303c60e
SHA1 hash:
f5039baace7a48a2e98aa295ab4428a97d85abc2
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/1ffd3358-857b-430c-ba0b-a4066bc73a13/
Parent samples :
1b145595fb003727cf021147e41a84381589db8a7f5c1f4c712d5586730ccb56
1adc29f30b30e301acefe1b46bbbd7a4f3a76c3708ab842199e95f8f5f053244
034178a5764f1284ed08d895dc08bc6779531bfbbcfa57f5a4761f777d887418
df192ebe9ddad7fe208d5c805618efedb195ba2064675f52a29e50291f082929
f8b02f2dc9ac4da01631f64237e70b3db518159276ede799d8cea2800e8c041f
fbce4f9307bc7a24373da238ae5ecac473463bd9ae41e34b8fe8c68dc5750ff6
6f58a874d38b7f49e2cf380f4cbf7bf3c6367b9d8ea4bca7dd81f83a3965e81b
f75d0156599da4c4b6b083ca393904458e7aa85a131453189a47b446841f87dc
198ff208a336939bc2623042646023f39ef7d0d39f1eb7ec4fe27ac3caef404b
f7d82a5fcd1482f720716ce7fd1549f26f297059d3b417a9fdec7e731d16f4ba
fcb91d1cf9fced1a4f371128695136e668b311768dd02ef0b3ffa051eb396af8
aba591be8db32ef7723900ffb4541610cf3c3f6f4b32c5792566d61815403aa4
1c127eebd7d602e5dfd453c901c61d4f41304eaeee33d2aca87db7e08b0a6292
b1f1237f3bf5667bf62719cf9fd741263e1cf7a61ff92741dc6dcb801cd35378
a06ee0f172ed12289f69c8790929be3de2c2fe8368dee7278c14c7c082d6be4a
6363c6f85a5ee95ea3fd025374e8ad16aebc513f56ade341476d1e2be045479d
a66e4f51630922d4131baab37ffb114b872b8dc5116c9821f7407edb98035803
383a0d94ccaeac8b164cd2eb4e4d189c29bca50ad7af0004ac8be891dd285aa7
82f800b2cd609858f78b1014e5fe5729059cf520d598aa99d22b97045853eb38
139f168f6e54b6acb61b3062e01619916a0a03dd987960f7a62a3f107a96f1d0
32245db962006f43d00e764f503a6952151cb9415f803c662323221275fce3a3
7f4987a062c30c1b749962a47478e45c4756bded9a1a6b47182d01080c46366c
446ff8a7bbf81d173be5d0a31738f87e2738af8312bc8f4aa4ca3b92b951fd3e
5093ccae45df7361b5afd22d5b5f08df3449a0d07d32c8d346c66a11260c7628
df9b0c91f8c75d74dc097050dcd6f7938b9293f054798438f7442eed2f9f7a3a
688e1a87b049676464e3aa5303d9a48f184da32c3fdfa0c092e1744153e761b0
2664a1d8094c5c72b70c0d1938a6e5bbab3d1edf949b39c355722902a8c48924
1600a2b591727b5873a37ba32b54efd6b6c0adfe7389b6dff095871441d143b6
4e6f22754b821f8870cc30809cd60cd3535653072f22356d7958fae2fe48df78
bae5ed6add08d579870023e6fc2cd35289f616cbbe258c69360f0e0e022221a4
b47ffabfc2167bf65657752d6088277a5dd033b99e04fb923f4301ea4962fc9f
c1968c0ec695e8919d12559e65ffa6598009669ce84ee15a7b9190241273caef
4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e
3c89aeb703a2550cc4824ea72fb1003cb74433c85387717afd025fa584865d94
8d802f0a6cf29072e9d1e038384ca8ab28efe59d054bff97d0fa799a7b71b65f
1b959a6064b127aebdccf7e9347a199a7c7e75e6abc883102b09488a94188fa1
6ecf0da45be85e0af57e9c74de09ececa8240f1c9ab48066c0f34ce18c4a7fab
8192cce9a032b0e6024194cf3a38858bc8c9e620144742a8373d961ca22927fe
f6f49abe480eba571ce7f27566bf4e486e80c3b8a61b89f230eeab0298b436cf
d9431a1c7c33cba1f32ef80b1a04bf857b377990f4515ee39337d6af65707d2e
ed3b46a313e675fe49e8914b06ac73143080bbe5c27884b292bcd4f27f808d0b
a3fc035ebf7ec0794518951bd545babaa2fa930813a5bd13501d9573982ef5ac
2b5b8b60ac84749f0eafd0baac2f04c71049e6dfb6f87f18b2f8dd09d1805d71
SH256 hash:
10a502bc3e30469b4a2825c677d1c944881d25ca2c08ad3bd3b9bb6e5e09d544
MD5 hash:
f2d72b41e15a3d7d941727bfc7bb94ce
SHA1 hash:
681442183a01075567ce24779d498373454ac34d
Link:
https://www.unpac.me/results/1ffd3358-857b-430c-ba0b-a4066bc73a13/
SH256 hash:
987cec9ac1e118565c9b57d6562976dc09da60cabdd40435a727c9b233418a5e
MD5 hash:
7d12cd49b9f30e44455bcfdd28aa8b8f
SHA1 hash:
135b7f64b3c9f97896b90532eb07a4e9d9230b36
Link:
https://www.unpac.me/results/1ffd3358-857b-430c-ba0b-a4066bc73a13/
SH256 hash:
4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e
MD5 hash:
f3d96544c9e16715a37486f2747a0d38
SHA1 hash:
1ffef86f7e5857965bce926ece4199547f636c47
Link:
https://www.unpac.me/results/1ffd3358-857b-430c-ba0b-a4066bc73a13/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4018310881b6/report/overview.html
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/4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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

Executable exe 4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476361/

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