MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b65aa99b0824e448e16e18d72469f80fdf29d0febdb289d7723f0f96b31c4ad4. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b65aa99b0824e448e16e18d72469f80fdf29d0febdb289d7723f0f96b31c4ad4
SHA3-384 hash: 88650d1169d3b568f939425a59758eafeb734a67e0c6df684a73294d36984376b4b58f8bd66bbe8261c5c7dd05a3e000
SHA1 hash: f1cc5e345db067b492aaf550e8d5fde539c05d59
MD5 hash: 97b9370df3ff0950225edb7992e136b8
humanhash: hot-wyoming-michigan-uncle
File name:new Order.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:423'936 bytes
First seen:2020-08-17 07:01:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Lz4EcmZHAFaxmVmie9bngPW6+i9CTiRa10/0+EMTik42T:n4EcmZHAFaxmVmie9bngPW6++vq08c+L
Threatray 2'341 similar samples on MalwareBazaar
TLSH B394694A38D0E3DED5E54FB958109C0633FA2F1A011AA90FDC6B39E763E9BC1BD24456
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: lx1.morvanet.com
Sending IP: 46.4.222.5
From: info@arvinarman.com
Subject: Re: Re: New Order
Attachment: new Order.rar (contains "new Order.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46737/
Detection(s):
SecuriteInfo.com.Generic.mg.97b9370df3ff0950.2787.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/432730
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 268676 Sample: new Order.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 40 www.stieble.com 2->40 42 www.realizecollective.com 2->42 44 2 other IPs or domains 2->44 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 Yara detected AntiVM_3 2->56 58 7 other signatures 2->58 11 new Order.exe 7 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\ljznASZxgBd.exe, PE32 11->32 dropped 34 C:\Users\...\ljznASZxgBd.exe:Zone.Identifier, ASCII 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmp20AB.tmp, XML 11->36 dropped 38 C:\Users\user\AppData\...\new Order.exe.log, ASCII 11->38 dropped 66 Writes to foreign memory regions 11->66 68 Injects a PE file into a foreign processes 11->68 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 2 other signatures 15->76 20 explorer.exe 15->20 injected 23 conhost.exe 18->23         started        process9 dnsIp10 46 www.vaborbactam.healthcare 20->46 48 www.shuangxian023.com 20->48 50 www.lombokraratour.com 20->50 25 cmmon32.exe 20->25         started        process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b65aa99b0824e448e16e18d72469f80fdf29d0febdb289d7723f0f96b31c4ad4/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 07:03:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wznktgyietseryloddlsi2pyb7pstuh6xwzitv3sh4hznmy4jlka._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0e928609807c597f7046341f0a335738ae8efa905be3c51de1f47d3c5ffb1996
FormBook
15f484bed822c914e22a06808ef5854dc51dde0f91972bcaed4f77e64fdcdbb6
FormBook
2119e2edacd5fd8a85697a8f271f328c2337ce04fb86d9aa6c38007bf78a0ce4
FormBook
49406d04e4b7268279ea17e07bdb6e89c1d09b599b5afc2f9e95983db09125ef
FormBook
4d0f01f4c86fc37f2675d153b2724588d5686659a1b30d63b9cefb5ce60673a5
FormBook
67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb
FormBook
68c326087c2ed640e74b243ecfad7be9fc4e2694f80991a5337e8f91fdf4efc7
FormBook
691eb9a4675c76f72ca03595137e3215b3ddf27c040d7bc871301ef847b0f609
FormBook
b044fa4d76f9c6799b1c9a15a1f70fc687a8116f7ea4ef9282e2d50a8bca4c8e
FormBook
c232e05f633d3e2bd0a1486a955d7f72eb9155408a635666306d922b333809b2
FormBook
+ 2'331 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200817-dlc8m1ftnn/
Behaviour
Creates scheduled task(s)
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.regulars6.info/rs26/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/b65aa99b0824e448e16e18d72469f80fdf29d0febdb289d7723f0f96b31c4ad4

File information

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

Malspam

FormBook

rar 4fa8c53a9fe06eba18ada11d8e013cf59e0e228bb5d188b6578273401c2260ec

FormBook

Executable exe b65aa99b0824e448e16e18d72469f80fdf29d0febdb289d7723f0f96b31c4ad4

(this sample)

  
Dropped by
MD5 f5e5ab28fa68b1e5b431acf40873528a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46737/
  
Dropped by
SHA256 4fa8c53a9fe06eba18ada11d8e013cf59e0e228bb5d188b6578273401c2260ec

Comments