MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad61d7c665bff74014eb7607c662bc91c142ad2ae2f168ccc3071021818d000b. 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: 7


Intelligence 7 IOCs YARA File information Comments
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SHA256 hash: ad61d7c665bff74014eb7607c662bc91c142ad2ae2f168ccc3071021818d000b
SHA3-384 hash: d4f344db7f354c9c73d0e7bed85cf3f2bcea67f7695e3197d26cec0a1ba7dbb14832a9e1b4e40171ca555dc192af2c61
SHA1 hash: 6d588641e98e027df2d9639c741e52c14cdae983
MD5 hash: ebbf792567e03f70afb4879c24b8e350
humanhash: pizza-april-princess-west
File name:samples.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:954'368 bytes
First seen:2020-07-27 06:09:08 UTC
Last seen:2020-07-27 17:12:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:xJH1/3WsDcnTsWdopT+F2uUzbHTfaFwi8TtI9VRpj:np3/De7opTwUnbaFwi8Tep
Threatray 4'959 similar samples on MalwareBazaar
TLSH 1015E0DB1B9CA613DC598370BD1E0418E7E01D19CAA9D68C1831BDBF1E3068DC9E997B
Reporter oppimaniac
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32652/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Reading critical registry keys
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/398248
Signature
.NET source code contains potential unpacker
Detected FormBook malware
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 251304 Sample: samples.exe Startdate: 27/07/2020 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 8 other signatures 2->61 10 samples.exe 7 2->10         started        process3 file4 41 C:\Users\user\AppData\...\&startupname&.exe, PE32 10->41 dropped 43 C:\Users\user\AppData\Local\...\tmpFE35.tmp, XML 10->43 dropped 45 C:\Users\user\AppData\...\samples.exe.log, ASCII 10->45 dropped 73 Tries to detect virtualization through RDTSC time measurements 10->73 75 Injects a PE file into a foreign processes 10->75 14 samples.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 77 Modifies the context of a thread in another process (thread injection) 14->77 79 Maps a DLL or memory area into another process 14->79 81 Sample uses process hollowing technique 14->81 83 Queues an APC in another process (thread injection) 14->83 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 49 atlhomebuilders.com 34.102.136.180, 49742, 49743, 49744 GOOGLEUS United States 19->49 51 balancer.wixdns.net 35.246.6.109, 49736, 49737, 49738 GOOGLEUS United States 19->51 53 5 other IPs or domains 19->53 63 System process connects to network (likely due to code injection or exploit) 19->63 25 rundll32.exe 19 19->25         started        signatures10 process11 file12 35 C:\Users\user\AppData\...\015logrv.ini, data 25->35 dropped 37 C:\Users\user\AppData\...\015logri.ini, data 25->37 dropped 39 C:\Users\user\AppData\...\015logrf.ini, data 25->39 dropped 65 Detected FormBook malware 25->65 67 Tries to steal Mail credentials (via file access) 25->67 69 Tries to harvest and steal browser information (history, passwords, etc) 25->69 71 3 other signatures 25->71 29 cmd.exe 2 25->29         started        signatures13 process14 file15 47 C:\Users\user\AppData\Local\Temp\DB1, SQLite 29->47 dropped 85 Tries to harvest and steal browser information (history, passwords, etc) 29->85 33 conhost.exe 29->33         started        signatures16 process17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ad61d7c665bff74014eb7607c662bc91c142ad2ae2f168ccc3071021818d000b/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-07-27 06:11:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vvq5prtfx73uafhloyd4myv4shaufljk4lywrtgda4icdamnaafq._file
Verdict:
malicious
Similar samples:
11ed9b9e406c0dd0f8eebc68a84ed4790d73d051584206acce260627390ec049
FormBook
30d3cf43f91eea8df889ee14337ca8067bc68521ff63184c679aac80b321bb75
FormBook
46c1beb680fee0894d6a58d53ee86faeb9dfa24db88f178580dfbd1385e4c581
FormBook
478dce496a9eca179f7503d76fa70a27d85e2e8547b81b5c80fc7433122085c3
FormBook
85915cd56ea653449e15a3f3b393bf398c1135221139d75a5349b51831413937
FormBook
8f06b49b371c6b257b716689b767ebf4bbc75391d0cf152b9bbe498ef55d017c
FormBook
a8534e310ee42756cfc01caf1eeddc8f4bca6e7e7f36de1a90f5c6ccc480e90a
FormBook
bf694824d6cbf6fba77ce087678b03ee8243a245b4b730eb55fb83e83b8dff8e
FormBook
d1176c3c4ab396d3bad7dd15c881fdb4e38922e9f7e539dc1035768f366edcf9
FormBook
da4647425789cc5a32d2719815367c8c21d2279a77a3179e609e1db9844ef15a
FormBook
+ 4'949 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200727-7ggc6wbtan/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Gathers network information
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/ad61d7c665bff74014eb7607c662bc91c142ad2ae2f168ccc3071021818d000b

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/32652/

Comments