MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19b7dd8cf8e16f966af27f7b3e03dd581b22c1553840f1c4d256c790bc86b1ed. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments
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SHA256 hash: 19b7dd8cf8e16f966af27f7b3e03dd581b22c1553840f1c4d256c790bc86b1ed
SHA3-384 hash: cbf906bf94a4f675077d17fe7d9e2bed2651f316cbc0b4b46ae035a664ac6728647c9565ba2e77c2906afa5c2955bb9f
SHA1 hash: dd5779730046287dd3b8713d782f0e3efe09a020
MD5 hash: 76f4c4658c33ab43c606f90461a50079
humanhash: carbon-ceiling-timing-quebec
File name:Booking.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:293'966 bytes
First seen:2023-06-19 07:42:25 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 6144:0Ya6ybLPr+9aMu/w3oUmxCXt+45QjjXLo24ggqtDZeXkypUA91HzJ06qSX:0YmLa4MlX92tt1KkypUA91TkSX
Threatray 1'819 similar samples on MalwareBazaar
TLSH T16754F183F56CC39EE0258B70787D96B56BE89F371124499B37CACE6DBA6310849093F1
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Booking.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 07:51:13 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/ffa5d859-2e2e-4df0-8b3d-0997e6a501ec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/400325/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/91504/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
91%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6490070b61ce91494cbff65d/reports/ed2e50d5-74e6-4c7f-aca4-4f9c12400030/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/19b7dd8cf8e16f966af27f7b3e03dd581b22c1553840f1c4d256c790bc86b1ed
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b99baa77-e405-445a-8f63-d2b056842d76
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257820
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890835 Sample: Booking.exe Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 9 other signatures 2->42 10 Booking.exe 19 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\wfryf.dll, PE32 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->54 56 Maps a DLL or memory area into another process 10->56 58 Tries to detect virtualization through RDTSC time measurements 10->58 14 Booking.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 30 www.exerciessforinjuries.com 45.33.2.79, 49721, 80 LINODE-APLinodeLLCUS United States 17->30 32 48fed829b.n.fnvip100.com 134.122.160.182, 49723, 80 BCPL-SGBGPNETGlobalASNSG United States 17->32 34 6 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/19b7dd8cf8e16f966af27f7b3e03dd581b22c1553840f1c4d256c790bc86b1ed/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2023-06-13 20:52:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
29 of 37 (78.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dg353dhy4fxzm2xsp55t4a65lansfqkvhbapdrgsk3dzbpegwhwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5
Formbook
3130fe0040aca5135a6c22251a313fcaca05c404082727d8191545fccfcd3a02
Formbook
35e8f730fa386dfecfb616ff20246d9eec1d6ec4d2b18f9d2e0d53032bff6b7f
Formbook
68561f9a18130d1f0e2a8ca14b9e9344a7f624bb599a766a5b41e16fd728e192
Formbook
8d108254a8f52c795d01e4fa87ac70437873d1073e38c179716e5fa40816b82f
Formbook
a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc
Formbook
b284d003b3fe69db7b293a9ec8d080952f6190026bbd28f2e0ab22273197a080
Formbook
d5d72f46517a26b05a5427b0ab8c8264f88e0428cfaeff06f34e7a69ab3c0d3e
Formbook
facf2fbbac21edd7550d00e6f6916f9ee598f9c3bdc2ca0feb288c139d687672
Formbook
+ 1'809 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ui16 rat spyware stealer trojan
Link:
https://tria.ge/reports/230619-jj9aeadf4s/
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
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
9564dec608a2a119bf6c2d91d8ff4b2f596aad14e8394697fe4c23ca59530da7
MD5 hash:
3b67d72513db7ae61cdb849029ccbcf6
SHA1 hash:
b8bef4478fcea379e38933d0d2ef7901e7256a71
Link:
https://www.unpac.me/results/6d988bd2-f60c-4e0f-aae5-57ecaea31e32/
SH256 hash:
19b7dd8cf8e16f966af27f7b3e03dd581b22c1553840f1c4d256c790bc86b1ed
MD5 hash:
76f4c4658c33ab43c606f90461a50079
SHA1 hash:
dd5779730046287dd3b8713d782f0e3efe09a020
Link:
https://www.unpac.me/results/6d988bd2-f60c-4e0f-aae5-57ecaea31e32/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/19b7dd8cf8e1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/19b7dd8cf8e16f966af27f7b3e03dd581b22c1553840f1c4d256c790bc86b1ed

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 19b7dd8cf8e16f966af27f7b3e03dd581b22c1553840f1c4d256c790bc86b1ed

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/400325/

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