MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6feb356faa54c3da8b70b32c044fb85582a5c1752263d3ddb8082c5bc4d417d7. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6feb356faa54c3da8b70b32c044fb85582a5c1752263d3ddb8082c5bc4d417d7
SHA3-384 hash: 34398a342ec70ae588de074b9c814ecef118a0bb03e62cb8acc84d8015c2147134d00880cce39f6ba342f0c090c63567
SHA1 hash: 7f3b290282abd04ae51326711933476709aa6eb9
MD5 hash: 48a8b6b2cd78a0a43ebf5658dd4bd58f
humanhash: echo-seven-tennis-blossom
File name:Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:613'376 bytes
First seen:2020-08-06 06:37:32 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 6144:YaB7orzZozEjR8pDDW6Dq3MzNn6nKwQ52ZMQ53R+lUkHwlaFQEUky9yZAh2P8Ca7:jcQARD6Dq3MYKwhMQ5aUkHR62G
Threatray 5'124 similar samples on MalwareBazaar
TLSH 6FD4382421351A97D7EC80B84F4C724459E387B51E9FF6C5ECB32985F292AB06B2CC5B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ptmatsuo.co.id
Sending IP: 202.74.72.84
From: Sales maneger< info@oceansidetraders.pw>
Reply-To: salescompanyinfo@protonmail.com
Subject: Aw: Invoice/packing List
Attachment: Invoice +Packing List.zip (contains "Invoice.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/40162/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412277
Signature
Benign windows process drops PE files
Detected FormBook malware
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 258389 Sample: Invoice.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 41 www.groupyak.com 2->41 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected AntiVM_3 2->49 51 Yara detected FormBook 2->51 53 6 other signatures 2->53 11 Invoice.exe 3 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 11->39 dropped 67 Tries to detect virtualization through RDTSC time measurements 11->67 69 Injects a PE file into a foreign processes 11->69 15 Invoice.exe 11->15         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 18 explorer.exe 1 6 15->18 injected process9 dnsIp10 43 www.ranges-xx.com 162.213.250.239, 49735, 49736, 49737 NAMECHEAP-NETUS United States 18->43 45 www.auratraq.com 13.127.228.11, 49734, 80 AMAZON-02US United States 18->45 33 C:\Users\user\AppData\...\9rfludzv4nh50vh.exe, PE32 18->33 dropped 55 System process connects to network (likely due to code injection or exploit) 18->55 57 Benign windows process drops PE files 18->57 23 ipconfig.exe 1 17 18->23         started        27 autofmt.exe 18->27         started        file11 signatures12 process13 file14 35 C:\Users\user\AppData\...\6P2logrv.ini, data 23->35 dropped 37 C:\Users\user\AppData\...\6P2logri.ini, data 23->37 dropped 59 Detected FormBook malware 23->59 61 Tries to steal Mail credentials (via file access) 23->61 63 Tries to harvest and steal browser information (history, passwords, etc) 23->63 65 3 other signatures 23->65 29 cmd.exe 1 23->29         started        signatures15 process16 process17 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6feb356faa54c3da8b70b32c044fb85582a5c1752263d3ddb8082c5bc4d417d7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 06:39:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n7vtk35kktb5vc3qwmwait5ykwbklqlvejr5hxnybawfxrguc7lq._file
Verdict:
malicious
Similar samples:
11ed9b9e406c0dd0f8eebc68a84ed4790d73d051584206acce260627390ec049
Formbook
23486053a77b3b37f7323a6bd6941ec13d341fc553bcb0675b475cef4392c894
Formbook
30d3cf43f91eea8df889ee14337ca8067bc68521ff63184c679aac80b321bb75
Formbook
478dce496a9eca179f7503d76fa70a27d85e2e8547b81b5c80fc7433122085c3
Formbook
85f9c52380c96ddf3aa66361640a6a6232a182d5d4437de8a3585fa0d216ebc4
Formbook
8a10ba003c94b5e6576d10a0c4bd01cabef6d87e4811e96c1a028e2cde63f414
Formbook
a5343eacd38eeb6e79c054f2a9bdf40573293e9f7f5cff05965b26cd0aa2c308
Formbook
b5cfea4c983458975c376cb9ff0ebd5feb4a426dc83c9db60264678a43eef6e9
Formbook
bf694824d6cbf6fba77ce087678b03ee8243a245b4b730eb55fb83e83b8dff8e
Formbook
eb5430ed81a3aa90b1d0b3c74f303dce507b1535b8b44269db7c6b56f62f84d6
Formbook
+ 5'114 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200806-mshvtfv24x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
Link:
https://yomi.yoroi.company/submissions/6feb356faa54c3da8b70b32c044fb85582a5c1752263d3ddb8082c5bc4d417d7

File information

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

Malspam

Formbook

zip c9dbb1a0fad28b94f130adca6cdc2cf36c7243b2ad8622ad87d27a5b213245d1

Formbook

Executable exe 6feb356faa54c3da8b70b32c044fb85582a5c1752263d3ddb8082c5bc4d417d7

(this sample)

  
Dropped by
MD5 04986db5296f8a5554ab154f6be2550e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/40162/
  
Dropped by
SHA256 c9dbb1a0fad28b94f130adca6cdc2cf36c7243b2ad8622ad87d27a5b213245d1

Comments