MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 631ac6c362a98070ff6afbfb5d35b9e87d02d67d4303e6311a37ac22b6806fb1. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 631ac6c362a98070ff6afbfb5d35b9e87d02d67d4303e6311a37ac22b6806fb1
SHA3-384 hash: b73919116121de2ef99e4a8a712cf2cc80401633e2e1f51e2fff3f8a0197f65b5f141aa498420c4b1b4964eeee7d5d35
SHA1 hash: 79b70875a9240a8eb9510152ce649c147cbf3b5f
MD5 hash: baac441488f918ba66f95cad56cd228f
humanhash: five-paris-fifteen-football
File name:Ziraat Bankasi Swift Mesaji.exe
Download: download sample
Signature Formbook
File size:275'174 bytes
First seen:2022-05-11 12:53:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:LOtIORGuWjon8fJIRPThSh/oU9guBiwZOWY6c20O/o:LOL4jo8fSRwh/oeg2iwYB6c20V
Threatray 15'445 similar samples on MalwareBazaar
TLSH T1BE4412A07754E877DD838B328AFB06667ED98C1644E4570B8F207E587E6A30167BF603
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for dropped file
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 624335 Sample: Ziraat Bankasi Swift Mesaji.exe Startdate: 11/05/2022 Architecture: WINDOWS Score: 100 34 www.demtate.xyz 2->34 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 5 other signatures 2->50 12 Ziraat Bankasi Swift Mesaji.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\ddyend.exe, PE32 12->32 dropped 15 ddyend.exe 12->15         started        process6 signatures7 58 Multi AV Scanner detection for dropped file 15->58 60 Tries to detect virtualization through RDTSC time measurements 15->60 18 ddyend.exe 15->18         started        process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 18->36 38 Maps a DLL or memory area into another process 18->38 40 Sample uses process hollowing technique 18->40 42 Queues an APC in another process (thread injection) 18->42 21 explorer.exe 18->21 injected process10 process11 23 systray.exe 21->23         started        signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        28 explorer.exe 2 154 23->28         started        process13 process14 30 conhost.exe 26->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-05-11 10:34:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d23n rat spyware stealer suricata trojan
Behaviour
Enumerates system info in registry
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0466e3a40ccdf42cbb1de109aa3e0aee3f2cc910be1da3198d9cddd1b5783358
MD5 hash:
2205b8448fef03808d29327e94a4c5f5
SHA1 hash:
d9f6b0a71e0312da2033a613546f68b183b5d196
Detections:
win_formbook_g0 win_formbook_auto
Parent samples :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 hash:
3a4b4542879201bf5ffeef135ff0cb70e3bfee4c59e0984da1e7dcf6357bf4e2
MD5 hash:
04dbec47dad4654e46bf20aa0b2e33b1
SHA1 hash:
c409daeed36639d7a15a375977eb5d1fb5075679
SH256 hash:
631ac6c362a98070ff6afbfb5d35b9e87d02d67d4303e6311a37ac22b6806fb1
MD5 hash:
baac441488f918ba66f95cad56cd228f
SHA1 hash:
79b70875a9240a8eb9510152ce649c147cbf3b5f
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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 631ac6c362a98070ff6afbfb5d35b9e87d02d67d4303e6311a37ac22b6806fb1

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments