MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4df9647b28defe7c3fc9f88602a582bcccb5005edd7b2784c76abb6383925353. 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 2 File information Comments 1
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SHA256 hash: 4df9647b28defe7c3fc9f88602a582bcccb5005edd7b2784c76abb6383925353
SHA3-384 hash: c1a4b3030522d2d0eb23ae49d7d1efc9d49bd73f059f90c6404dfb348a17d0652619c58ca59d4cf516eb97c9b77e4c13
SHA1 hash: aaee4dbefc9ce54cf45e16b8a921ef16681ee5b5
MD5 hash: 99912794ef989327c3a99a7afd6439ad
humanhash: three-bakerloo-carpet-indigo
File name:99912794ef989327c3a99a7afd6439ad
Download: download sample
Signature Formbook
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File size:704'512 bytes
First seen:2022-06-09 09:52:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:KlI1k+EJ4NWQHS5/B4wTlCFbLaer8OwMNAlR3QrQQu3N5t9lQ1HP9oK6:l1HS4AQW4whC9JgOwiAlR3rQ+5vuZPyf
TLSH T13CE41289B65C8E31C9AE0BFDA49400454F70E11A95C2F797CE9CBDEE2E72BA08D0515F
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
99912794ef989327c3a99a7afd6439ad
Verdict:
Malicious activity
Analysis date:
2022-06-09 10:02:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/15503fa4-cc86-4dfa-894b-6ac77b6ebfd3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/278171/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.33021.10092.7112.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
Link:
https://www.filescan.io/uploads/62a1c302824d74ef94fa914f/reports/2f3a45ad-1fed-4c3e-8d8e-ae9670e3fcfc/overview
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/d4f5607f-0a11-4e53-b860-9a688f50ec6f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1009863
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd or bat file
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 signatures2 2 Behavior Graph ID: 642362 Sample: aNN7SbthSY Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 10 aNN7SbthSY.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\aNN7SbthSY.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 aNN7SbthSY.exe 10->14         started        17 aNN7SbthSY.exe 10->17         started        signatures5 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 32 fortitude-tech.com 108.167.183.72, 49859, 80 UNIFIEDLAYER-AS-1US United States 19->32 34 www.fortitude-tech.com 19->34 44 System process connects to network (likely due to code injection or exploit) 19->44 23 systray.exe 19->23         started        signatures10 process11 signatures12 46 Self deletion via cmd or bat file 23->46 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/4df9647b28defe7c3fc9f88602a582bcccb5005edd7b2784c76abb6383925353/
Threat name:
ByteCode-MSIL.Trojan.RealProtect
Create hunting rule
Status:
Malicious
First seen:
2022-06-03 01:01:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jx4wi6zi337hyp6j7cdafjmcxtglkac63v5spbghnk5wha4sknjq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:fw02 rat spyware stealer trojan
Link:
https://tria.ge/reports/220609-lwmchsefgr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
2926399eb4833f4dff26813935e237d8f339823f3cbab6377a99a9c6fdfb73e2
MD5 hash:
9a5ca3a93949d59da6a1fa7f694cc118
SHA1 hash:
e36ef10684675d9671dc04dee1464ee3dd6a28f6
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/97ddbfc3-7ad8-4f70-b659-6dd2d762c040/
Parent samples :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 hash:
9e31a904af3026fe49560bb7fd71a32bb6bcac7ff679fe3d608e7b2b0fa0c2b7
MD5 hash:
e55e1810d47cfe3200f54556d8c16952
SHA1 hash:
cc2ab655e3cbb8a374c39001c61eca7b0afc64c8
Link:
https://www.unpac.me/results/97ddbfc3-7ad8-4f70-b659-6dd2d762c040/
SH256 hash:
cf46dbf5aeab0faa467900b2a4f88ba8655616add3a3e051f680c360237e1beb
MD5 hash:
cdadf8bbe6c26b37fdf2431e22b3d805
SHA1 hash:
3f4f079db13d4d15c5cb4925f621dd4ca92f02f8
Link:
https://www.unpac.me/results/97ddbfc3-7ad8-4f70-b659-6dd2d762c040/
SH256 hash:
0d8f5c8ec491b768b4a24b4004f4ef3d358b3fc22abbb1c429ee80e43f73bf8d
MD5 hash:
6297ff1b4376e8b2a1c0a0fbdc37ba83
SHA1 hash:
0c47b9a30a34d853379d073362d3d9e28a5997d7
Link:
https://www.unpac.me/results/97ddbfc3-7ad8-4f70-b659-6dd2d762c040/
SH256 hash:
4df9647b28defe7c3fc9f88602a582bcccb5005edd7b2784c76abb6383925353
MD5 hash:
99912794ef989327c3a99a7afd6439ad
SHA1 hash:
aaee4dbefc9ce54cf45e16b8a921ef16681ee5b5
Link:
https://www.unpac.me/results/97ddbfc3-7ad8-4f70-b659-6dd2d762c040/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4df9647b28de/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4df9647b28defe7c3fc9f88602a582bcccb5005edd7b2784c76abb6383925353

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.

Web download

Formbook

Executable exe 4df9647b28defe7c3fc9f88602a582bcccb5005edd7b2784c76abb6383925353

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2231421/
Cape
Cape
https://www.capesandbox.com/analysis/278171/

Comments


Avatar
zbet commented on 2022-06-09 09:52:16 UTC

url : hxxp://103.149.12.106/mscloud11/scrss.exe