MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63ae6c520070473f86f5cb1e4ab4a56c7235536f11db9a21e2bafe7f9ebd271b. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: 63ae6c520070473f86f5cb1e4ab4a56c7235536f11db9a21e2bafe7f9ebd271b
SHA3-384 hash: 8d4a561e2ddf9fc4e2e07486cedd1aa022995b96c4cf1dae5ee00bc1186e30f2ae5bc98d7ac5f60c0715700c50b1fd98
SHA1 hash: 594727b6c025079473ad2a8ef409191e5bcfbe6f
MD5 hash: 335ce8713c195854d4d7cb5ac1c6acb8
humanhash: xray-monkey-artist-single
File name:Transfer swift advice.exe
Download: download sample
Signature Formbook
File size:556'544 bytes
First seen:2021-11-08 07:17:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:3a5tqJFTPRitaFQah1JVjSy4Iitf4wfZ:3arqFitxa3JVjmIit3fZ
Threatray 11'457 similar samples on MalwareBazaar
TLSH T12CC4D0720D37AEDAEE3ACFB4940C35F00EA73827973ED255AD5B516621E14A0CFE1861
File icon (PE):PE icon
dhash icon 233bbf6de61f1b5c (7 x Formbook, 6 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found 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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 517485 Sample: Transfer swift advice.exe Startdate: 08/11/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 8 other signatures 2->42 10 Transfer swift advice.exe 3 2->10         started        process3 file4 30 C:\Users\...\Transfer swift advice.exe.log, ASCII 10->30 dropped 56 Injects a PE file into a foreign processes 10->56 14 Transfer swift advice.exe 10->14         started        17 Transfer swift advice.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 www.reynbetgirisi.com 185.178.208.163, 49784, 80 DDOS-GUARDRU Russian Federation 19->32 34 www.b3eflucg.xyz 19->34 44 System process connects to network (likely due to code injection or exploit) 19->44 46 Performs DNS queries to domains with low reputation 19->46 23 control.exe 19->23         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2021-11-08 06:50:35 UTC
AV detection:
20 of 45 (44.44%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:snr6 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.reynbetgirisi.com/snr6/
Unpacked files
SH256 hash:
a24b017645ad75f78552719251c33471c0a92f3cc19578db10b0ede79fb85556
MD5 hash:
ed4b0496fe05020acdf441fbaa04c7ae
SHA1 hash:
84ab04cd144a22b7f8e9e8d1a1c32d412857dc94
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
2069d8dd5efeeed3c59b5b34823f0f32ad403c10e7497f8f5cb8cbed1ca16075
MD5 hash:
8ed9472cc0a1a4a8eb54c26cf2c6d583
SHA1 hash:
9cd22d3fb2ce1dd1f8db817246c907e9fb68c6c1
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
63ae6c520070473f86f5cb1e4ab4a56c7235536f11db9a21e2bafe7f9ebd271b
MD5 hash:
335ce8713c195854d4d7cb5ac1c6acb8
SHA1 hash:
594727b6c025079473ad2a8ef409191e5bcfbe6f
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 63ae6c520070473f86f5cb1e4ab4a56c7235536f11db9a21e2bafe7f9ebd271b

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments