MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fcade822dc1b07f474d920e50e3030f491983aad270ad6b9bb68755eb17998c. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
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SHA256 hash: 8fcade822dc1b07f474d920e50e3030f491983aad270ad6b9bb68755eb17998c
SHA3-384 hash: f74f75c4d5ab41177e7040a668cb4538c3564107e155cc427da45e88fdf1cb1ca7bcfbee5764287f1fb0097395bc8b4a
SHA1 hash: ed9e970824ca10073f3a15679adf5da368847d09
MD5 hash: 5cbe6cba43bcf4671b5da2bd0439ddd0
humanhash: edward-cold-butter-black
File name:DK Purchase Order 2021 - 00041.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:646'656 bytes
First seen:2021-03-29 05:43:56 UTC
Last seen:2021-03-29 07:11:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:rW4udJIb1qoOrGaSsmF1nGfAIML7mO6I:rW4uXIb1ID0CAIZI
Threatray 4'266 similar samples on MalwareBazaar
TLSH 2ED4708C5D9DC1EAE6354BB842C9C4AB46EB5EF30F12C879B9C68BC7E020746F516532
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DK Purchase Order 2021 - 00041.exe
Verdict:
Malicious activity
Analysis date:
2021-03-29 05:45:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/22ffc7c7-2394-4c44-b37a-03a558bb048c

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/127447/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.20963.5096.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Sending a custom TCP request
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/b1e8ccab-51fb-4bbc-a89b-6476e8e26a72
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/656415
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 377139 Sample: DK Purchase Order 2021 - 00... Startdate: 29/03/2021 Architecture: WINDOWS Score: 100 32 www.clouddevopsteam.tech 2->32 34 clouddevopsteam.tech 2->34 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 11 DK Purchase Order 2021 - 00041.exe 3 2->11         started        signatures3 process4 file5 30 C:\...\DK Purchase Order 2021 - 00041.exe.log, ASCII 11->30 dropped 14 DK Purchase Order 2021 - 00041.exe 11->14         started        17 DK Purchase Order 2021 - 00041.exe 11->17         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 36 www.otokoikon.com 118.27.99.27, 49718, 80 INTERQGMOInternetIncJP Japan 19->36 38 www.atualizacao.net 199.59.242.153, 49716, 80 BODIS-NJUS United States 19->38 40 www.cheaperwhere.com 52.58.78.16, 49708, 80 AMAZON-02US United States 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 explorer.exe 19->23         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8fcade822dc1b07f474d920e50e3030f491983aad270ad6b9bb68755eb17998c/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-03-29 04:57:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
11 of 48 (22.92%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r7fn5arnygyh6r2nsihfbyydb5erta5k2jyk2243w2dvl2yxtgga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
056548a367412a9b7fcb2d136d1c425ecfc2b0627de5d6842a5b79cee17d67dd
Formbook
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
38272fb3fbcabee6980aeb4be9ae17147a7979dc415cb3cfbedc48cc298bbefa
Formbook
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Formbook
50a189fe28198ad7f41cfefd5fef208b25ec79be1bdddb540f1c9fef45e4f393
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
dd4d1da7c146e47e25b601cba1d6f324eace694055d43e1c67288df6a0ea1951
Formbook
+ 4'256 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210329-bdjsjpct6x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.otokoikon.com/vsk9/
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/affeccd3-517a-43da-a9ad-cd2f423d0a82/
SH256 hash:
8fcade822dc1b07f474d920e50e3030f491983aad270ad6b9bb68755eb17998c
MD5 hash:
5cbe6cba43bcf4671b5da2bd0439ddd0
SHA1 hash:
ed9e970824ca10073f3a15679adf5da368847d09
Link:
https://www.unpac.me/results/affeccd3-517a-43da-a9ad-cd2f423d0a82/
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/8fcade822dc1b07f474d920e50e3030f491983aad270ad6b9bb68755eb17998c

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

zip 4a525cfb1981ce8d12a3ec61efd86016f4ae1f3dc089b18391a5e8af393e684d

Formbook

Executable exe 8fcade822dc1b07f474d920e50e3030f491983aad270ad6b9bb68755eb17998c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4a525cfb1981ce8d12a3ec61efd86016f4ae1f3dc089b18391a5e8af393e684d
  
Dropped by
SHA256 3d281c53a3267d17f47165c537955d1e904b97bac28d9b3845e17b2367fafd8f
Cape
Cape
https://www.capesandbox.com/analysis/127447/

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