MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5043b6f2fb2b01edaf96f2ed748a59957da044dd826bbc3070b5d8c60252b33d. 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: 5043b6f2fb2b01edaf96f2ed748a59957da044dd826bbc3070b5d8c60252b33d
SHA3-384 hash: edf74dbda900a15eef3720297a02fe3ba18968f8503398f955e9bf2463edfa4cd68ae453044e847b72ab2b0429a79fec
SHA1 hash: 54df97a22ce201a3bdfeaa3bb902e7eef54ab646
MD5 hash: 7a18e513a74b8aff8073b17c3f57f98f
humanhash: johnny-berlin-carolina-angel
File name:Ziraat Bankasi Swift Mesaji.exe
Download: download sample
Signature Formbook
File size:1'164'800 bytes
First seen:2021-08-04 19:19:27 UTC
Last seen:2021-08-04 20:15:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:Io2A4dd0rncpNZas7V5CBmjLxynp/NJKaoZ:Xbxg4oEm96nJKlZ
Threatray 7'333 similar samples on MalwareBazaar
TLSH T10E459D2229EA5089F3B65FB10FD4F8BE4A6AEE73560970F934C11F43A7329818D51736
dhash icon e869d4f0f0f0f070 (12 x AgentTesla, 7 x SnakeKeylogger, 6 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
318
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ziraat Bankasi Swift Mesaji.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 19:22:38 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Setting browser functions hooks
Unauthorized injection to a system process
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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460401 Sample: Ziraat Bankasi Swift Mesaji.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 Ziraat Bankasi Swift Mesaji.exe 3 2->10         started        process3 file4 28 C:\...\Ziraat Bankasi Swift Mesaji.exe.log, ASCII 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 Ziraat Bankasi Swift Mesaji.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 dissertationshelp.net 199.192.29.183, 49739, 80 NAMECHEAP-NETUS United States 17->30 32 www.ospfenetres.com 45.196.98.71, 49736, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-04 19:20:08 UTC
AV detection:
21 of 46 (45.65%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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.setuseny.site/wz6a/
Unpacked files
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
SH256 hash:
5991a10fe0729100c6fa553a8f82889d9d9db968257566deee4f5ad0b47f21d9
MD5 hash:
f1b2c1a829bd02d84ddd83088f87b2d5
SHA1 hash:
409b5bce706ecfa95991a2e7039e9779bb82401c
SH256 hash:
7a227fa50dec6329a5abc556c5c9426ac61323ea8da064667b85af4ff1c977e1
MD5 hash:
97ee4363b31e2fecd18d7b108b7c9b93
SHA1 hash:
2f5b34180a08ad607931b6e853efe3314ed90ffe
SH256 hash:
5043b6f2fb2b01edaf96f2ed748a59957da044dd826bbc3070b5d8c60252b33d
MD5 hash:
7a18e513a74b8aff8073b17c3f57f98f
SHA1 hash:
54df97a22ce201a3bdfeaa3bb902e7eef54ab646
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 5043b6f2fb2b01edaf96f2ed748a59957da044dd826bbc3070b5d8c60252b33d

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments