MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b0cbab9b998e116302767312555456d9e6b0cf37ac010735c8e4d4d2ae124fd. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b0cbab9b998e116302767312555456d9e6b0cf37ac010735c8e4d4d2ae124fd
SHA3-384 hash: 536503d0be9927f45725ea4381535af9cbcdfb95c3f3e7b379212f73690743fab80d6c76cd8608b38f41da2021fa8691
SHA1 hash: 7be7cb34e87b43e613f376ab4f3b6a8ad5b92029
MD5 hash: 28e0d3453d1a5a5a0a1e506651160cbe
humanhash: seven-bluebird-stairway-saturn
File name:NWBDKFFA.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:2'377'728 bytes
First seen:2022-11-21 15:26:57 UTC
Last seen:2022-11-21 15:45:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 49152:HChZQV+wr5mMrw3Vn3jg9tJRgRZuZsrk:iZk43jgLJ2RYZ6k
TLSH T177B55BDEF382DC79D66E4260D28A7F6C5FB0D9546D4BB0B7403A028A8630355DF6A13B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
280
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
NWBDKFFA.exe
Verdict:
Malicious activity
Analysis date:
2022-11-21 15:29:03 UTC
Tags:
formbook
Link:
https://app.any.run/tasks/41d7d343-059b-4dfc-8bc1-03cb1e8d0f5a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/336849/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.21197.10594.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637b98c7e64742f53c107570/reports/fcfc500e-ea0a-48ce-a8eb-9dcf9a69668c/overview
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/bd8a4e80-eba2-481d-809c-e8ab6f137221
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118228
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 750936 Sample: NWBDKFFA.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->59 61 4 other signatures 2->61 10 NWBDKFFA.exe 1 5 2->10         started        process3 file4 49 C:\Users\user\AppData\Roaming\...\Smfuk.exe, PE32 10->49 dropped 51 C:\Users\user\...\Smfuk.exe:Zone.Identifier, ASCII 10->51 dropped 53 C:\Users\user\AppData\...53WBDKFFA.exe.log, ASCII 10->53 dropped 71 Encrypted powershell cmdline option found 10->71 14 NWBDKFFA.exe 10->14         started        17 powershell.exe 15 10->17         started        19 NWBDKFFA.exe 10->19         started        signatures5 process6 signatures7 73 Modifies the context of a thread in another process (thread injection) 14->73 75 Maps a DLL or memory area into another process 14->75 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        process8 process9 25 Smfuk.exe 2 21->25         started        28 Smfuk.exe 1 21->28         started        signatures10 63 Antivirus detection for dropped file 25->63 65 Machine Learning detection for dropped file 25->65 67 Encrypted powershell cmdline option found 25->67 30 Smfuk.exe 25->30         started        33 powershell.exe 15 25->33         started        35 Smfuk.exe 25->35         started        37 Smfuk.exe 25->37         started        69 Injects a PE file into a foreign processes 28->69 39 Smfuk.exe 28->39         started        41 powershell.exe 15 28->41         started        43 Smfuk.exe 28->43         started        process11 signatures12 77 Maps a DLL or memory area into another process 30->77 45 conhost.exe 33->45         started        47 conhost.exe 41->47         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b0cbab9b998e116302767312555456d9e6b0cf37ac010735c8e4d4d2ae124fd/
Threat name:
ByteCode-MSIL.Trojan.Scarsi
Create hunting rule
Status:
Malicious
First seen:
2022-11-21 15:23:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dmglvonztdqrmmbhm4yskvkfnwpgwdhtplaba424rzgu2kxbet6q._file
Verdict:
malicious
Label(s):
formbook
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masslogger
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fbce persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221121-svslgafd85/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Modifies Installed Components in the registry
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/958c5fbc-a70b-4dca-8851-9d6b79838cdc
Unpacked files
SH256 hash:
fe7dd3009e01e6c42cc4206b66f24dc580e59dfc5f10ed0520cf6453da876f08
MD5 hash:
4100b0b0e4175557da9158d652bb758b
SHA1 hash:
2bd6e7c6839062200f170c32640f1b48dffdfd15
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/168778dd-3f5b-4994-9ad8-783f171ee4f2/
Parent samples :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 hash:
5b6775eb9cc741aff04f78a75f2456223c52f5aa6cd686ddaa4cb0206a51fbc3
MD5 hash:
dc060082bea4c4bd8a7f76f05749ba79
SHA1 hash:
300c1a90f84eae0ee87033d75fb29264c67fd10b
Link:
https://www.unpac.me/results/168778dd-3f5b-4994-9ad8-783f171ee4f2/
SH256 hash:
1911baf03b46077869ef513cb486926fa40027aeb8793e139c74759d788d5dd5
MD5 hash:
f4256baa15b69bae0b0753667e153974
SHA1 hash:
31ee81c619e0b5a6713576d869d92099b017d1cf
Link:
https://www.unpac.me/results/168778dd-3f5b-4994-9ad8-783f171ee4f2/
SH256 hash:
1b0cbab9b998e116302767312555456d9e6b0cf37ac010735c8e4d4d2ae124fd
MD5 hash:
28e0d3453d1a5a5a0a1e506651160cbe
SHA1 hash:
7be7cb34e87b43e613f376ab4f3b6a8ad5b92029
Link:
https://www.unpac.me/results/168778dd-3f5b-4994-9ad8-783f171ee4f2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b0cbab9b998/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/1b0cbab9b998e116302767312555456d9e6b0cf37ac010735c8e4d4d2ae124fd

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
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 1b0cbab9b998e116302767312555456d9e6b0cf37ac010735c8e4d4d2ae124fd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/336849/

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