MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5e68a14f6ea969a5a79718ebd9f7fcaa269e3ab749626772a33bb185ab50e17. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: c5e68a14f6ea969a5a79718ebd9f7fcaa269e3ab749626772a33bb185ab50e17
SHA3-384 hash: f3188ab82fe375afc8e403f2d16a880098f1762840a9a8e23e5aae6266309560ad06a5dc243044ccfed1b96d30e2b5fa
SHA1 hash: 85463510bdb4314ef2693134b06544699bb95089
MD5 hash: 55055389bd9703608ecfd1e2d806bf3a
humanhash: pasta-football-december-four
File name:SecuriteInfo.com.Gen.Variant.Babar.141695.23971.19627
Download: download sample
Signature Formbook
File size:284'788 bytes
First seen:2023-01-17 06:29:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:mYa6yKPuPcs7n7rvBhOtCoey9A8e9zsjHwgPZ8R:mYnkco7FseySL9IT18R
TLSH T152540203B2DC83AFE06117B1387916B919F5AF2341A4720733EDDD6EA527129952C3F6
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon eaae8a9ea69ae8b0 (33 x Formbook, 4 x SnakeKeylogger, 1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Gen.Variant.Babar.141695.23971.19627
Verdict:
Malicious activity
Analysis date:
2023-01-17 06:30:10 UTC
Tags:
formbook xloader trojan 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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
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:
No Threat
Threat level:
  10/10
Confidence:
83%
Tags:
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
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 dropped file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 785538 Sample: SecuriteInfo.com.Gen.Varian... Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 34 www.caogc.com 2->34 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 5 other signatures 2->56 12 SecuriteInfo.com.Gen.Variant.Babar.141695.23971.19627.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\krtffp.exe, PE32 12->32 dropped 15 krtffp.exe 12->15         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 15->66 68 Detected unpacking (changes PE section rights) 15->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 3 other signatures 15->72 18 krtffp.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 2 1 18->21 injected process10 dnsIp11 36 www.jinlai556.com 21->36 38 www.felinepawse.com 21->38 40 felinepawse.com 34.102.136.180, 49703, 80 GOOGLEUS United States 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 25 explorer.exe 21->25         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-01-17 06:30:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:n10i rat spyware stealer 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
27083785910dfedff1e3240ec9ff1a0c696b1ee956468e47b83b7a36a4f74a6a
MD5 hash:
03da506996185d1d1ba9964d27be2fec
SHA1 hash:
d1e3ad5c76f5f6426971fb4d766971491145967a
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
1b30844d5471dcda75c08b2afb1eb240ff3d30734660a30b3c65232969628567
MD5 hash:
45e6c196b9c814d1f647ec73b042c102
SHA1 hash:
5316d1013468d1df9e383faa92ca1fedf6e9c5b9
SH256 hash:
4349d14e90516b1bb0b756585363817b14c8d144f8729584a233597bf8b82f19
MD5 hash:
d2aa2489f9fb2fa6b4fcd8abbfdd2641
SHA1 hash:
93183415e0c2cf09bcbc2241edccd2668700f2e2
SH256 hash:
c5e68a14f6ea969a5a79718ebd9f7fcaa269e3ab749626772a33bb185ab50e17
MD5 hash:
55055389bd9703608ecfd1e2d806bf3a
SHA1 hash:
85463510bdb4314ef2693134b06544699bb95089
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
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.

Comments