MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dae09313f5bf2ef9f108c33d30b770c83d450e5c163150ef1754794493bb86f. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5dae09313f5bf2ef9f108c33d30b770c83d450e5c163150ef1754794493bb86f
SHA3-384 hash: 960ac0456ddcf1a1962fae74259c3e7c55d9623e223780d494e9bac0927f858a12f3b87ace64f881095b7a9c88362d2c
SHA1 hash: ba2ee7fecda4600a91a8ddc78283a4bf3fd264bb
MD5 hash: 9ef496192fd6a34cc770c53bfca2252f
humanhash: potato-moon-hawaii-west
File name:invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:374'272 bytes
First seen:2020-08-16 14:05:06 UTC
Last seen:2020-08-16 15:07:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:SfjHkHHEq0y4EcmZHyXFaxmVmie9bngPm4bp7dDBM/88Lh8bJnllxGScHeefm+TD:SfDknEJy4EcmZHAFaxmVmie9bngPvbpK
Threatray 2'268 similar samples on MalwareBazaar
TLSH 4D84F14C30E0B076F7F46FB1A8B06D1853663B174927AE4F66A062F493F79E46E4901E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: lx1.morvanet.com
Sending IP: 46.4.222.5
From: info@arvinarman.com
Subject: RES: Proforma PI T2 0269
Attachment: invoice.rar (contains "invoice.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46487/
Detection(s):
SecuriteInfo.com.Generic.mg.9ef496192fd6a34c.21693.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/432295
Signature
Executable has a suspicious name (potential lure to open the executable)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
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: 267929 Sample: invoice.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 43 www.lombokraratour.com 2->43 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Yara detected AntiVM_3 2->55 57 7 other signatures 2->57 11 invoice.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\eEqEdtPe.exe, PE32 11->35 dropped 37 C:\Users\...\eEqEdtPe.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpA2B4.tmp, XML 11->39 dropped 41 C:\Users\user\AppData\...\invoice.exe.log, ASCII 11->41 dropped 61 Writes to foreign memory regions 11->61 63 Injects a PE file into a foreign processes 11->63 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 22 explorer.exe 15->22 injected 79 Tries to detect virtualization through RDTSC time measurements 18->79 26 conhost.exe 20->26         started        process9 dnsIp10 45 balancer.wixdns.net 185.230.60.195, 49747, 80 WIX_COMIL Israel 22->45 47 www.penjiazi.com 22->47 49 3 other IPs or domains 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 28 chkdsk.exe 22->28         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5dae09313f5bf2ef9f108c33d30b770c83d450e5c163150ef1754794493bb86f/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-16 13:52:45 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lwxasmj7lpzo7hyqrqz5gc3xbsb5iuhfyfrrkdxrovdzisj3xbxq._file
Verdict:
malicious
Similar samples:
22a1cc0a4f9c3667870c2f7487ca8d028288806955866f32e621aadc8afe9eae
Formbook
2a9cf930b5e11dee35842ff73179a0467f820a95e23560d774f7ea05111de351
Formbook
308c96557c6be5d4519ba4bac38c23e611c7b61683cfc1063a6009e216c24f5e
Formbook
36609130c2783f8915051cf0030eb0b4a2712710257fb07095463a3dbc7f1861
Formbook
3e7332310ea67e1982c17c325fde52c70c2155f73d2792b51e2484b86ec51e1e
Formbook
67309e579deeb9fae0f90ce0e40e40318ef25c6c32b88e247863f13aa6678a55
Formbook
7abf73f6d63535a3770a681960124ee32f77d0305cfb82e80da13301829d5b25
Formbook
9b35a1eab3bddb51f9571b67a8d679c7db0af207a938f428870e10eae43e00f2
Formbook
b96e6ac1d0b74e691b13eaddb1f72d792727c0447aaadae0a9c4599c3288d51c
Formbook
e290e14bd99ee48d3d9b39fb7d0a56f29f83309d86214084d23e00c44971508c
Formbook
+ 2'258 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/200816-j92y2k5j52/
Behaviour
Creates scheduled task(s)
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:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/5dae09313f5bf2ef9f108c33d30b770c83d450e5c163150ef1754794493bb86f

File information

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

Malspam

Formbook

rar f15fe17c6906ed138ab1b8b84729e499418ab4e6e8458c997643fa091b25eaa0

Formbook

Executable exe 5dae09313f5bf2ef9f108c33d30b770c83d450e5c163150ef1754794493bb86f

(this sample)

  
Dropped by
MD5 9835ab5d2a68decd797e151978b5fc37
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f15fe17c6906ed138ab1b8b84729e499418ab4e6e8458c997643fa091b25eaa0
Cape
Cape
https://www.capesandbox.com/analysis/46487/

Comments