MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031
SHA3-384 hash: 3d5df7a581685287da53c1b2db21bc41646c91d14431f57d5774225cb7bf4c821232c991d58dbf75ee22f4e395aaaed3
SHA1 hash: 39e2ba0f53784ba65b1c5c33c7629447944390d0
MD5 hash: 89638fe1a25c80932d9e4cb30238e194
humanhash: green-green-winter-kitten
File name:d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031
Download: download sample
Signature Formbook
File size:365'521 bytes
First seen:2023-03-08 11:49:07 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:/Ya6QPTmatecxGcFxZci7zQiJtMCnTiyaaMvJZEFST/WxHNQow:/YePTmat2cFcivxTvktvUS8eP
Threatray 2'346 similar samples on MalwareBazaar
TLSH T1667413805BA5DAB7D4E397324E3B2467EAB1E81009794B1723609F2C741B3915F2E377
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
222
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031
Verdict:
Malicious activity
Analysis date:
2023-03-08 11:52:19 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cerbu formbook nemesis overlay packed shell32.dll
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
Detected unpacking (changes PE section rights)
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)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 822248 Sample: e6UfHIk1pQ.exe Startdate: 08/03/2023 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 Yara detected FormBook 2->53 55 3 other signatures 2->55 11 e6UfHIk1pQ.exe 19 2->11         started        process3 file4 33 C:\Users\user\AppData\Local\...\setacrtv.exe, PE32 11->33 dropped 14 setacrtv.exe 1 11->14         started        process5 signatures6 65 Detected unpacking (changes PE section rights) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Tries to detect virtualization through RDTSC time measurements 14->69 17 setacrtv.exe 14->17         started        20 conhost.exe 14->20         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 22 explorer.exe 1 17->22 injected process9 dnsIp10 35 www.doshkoljata.ru 185.114.245.124, 49711, 80 TIMEWEB-ASRU Russian Federation 22->35 37 www.avocat-palau.com 213.186.33.5, 49706, 80 OVHFR France 22->37 39 2 other IPs or domains 22->39 57 System process connects to network (likely due to code injection or exploit) 22->57 26 mstsc.exe 22->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2023-03-08 12:04:32 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:vr21 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
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
1ddd4f39aeb4703ae0c2e6c5a68110b45f64686f7bf3c2c2038dafad40c948d8
MD5 hash:
de4850cffbd214215e410c90eccc228a
SHA1 hash:
e5281c13f78f98a62de68063e93ffec5afda2039
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
0b32074d192d96a87c40ad5527f2906da427389880a729a0bc6c2e6e874bbbd1
MD5 hash:
b4f16ffac645f80188483e424f7a441a
SHA1 hash:
78daa0412c734d0e3480c7b9e93a4261cd9a2abd
SH256 hash:
d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031
MD5 hash:
89638fe1a25c80932d9e4cb30238e194
SHA1 hash:
39e2ba0f53784ba65b1c5c33c7629447944390d0
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: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.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Comments