MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47d1e16275d98873c63ed2cfe032b171513ff063ccc19399815846d950ed09d6. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 47d1e16275d98873c63ed2cfe032b171513ff063ccc19399815846d950ed09d6
SHA3-384 hash: 44fab21acd85e76a97842bc063429b0bd65ecec00e0573f49e2026805d62dab917e801171c71c2bd29010e161afd27ec
SHA1 hash: 4418f08b864390a97d5bb166e9ac08820c2a3fa0
MD5 hash: d9639b9bc8a92e559bcffdc05db4c97b
humanhash: fanta-winter-wyoming-ceiling
File name:fatura.hk.exe
Download: download sample
Signature Formbook
File size:218'819 bytes
First seen:2022-12-06 10:10:33 UTC
Last seen:2022-12-06 11:33:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 3072:QEhKzShSycSMGJi3uwWHD0nDZBbTcLWsi1bXaWOPk2ne6049GDKq4DmuYC/cu8:QBn1Ki3iHD0ttcXLkWe60RDY3YC/z8
TLSH T1F924123C79A2C07BC51B87764FA7377AE9B79101903A334B4BA90F2765364C7AE1A143
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
189
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
fatura.hk.exe
Verdict:
Malicious activity
Analysis date:
2022-12-06 10:11:52 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 process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
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 dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 761513 Sample: fatura.hk.exe Startdate: 06/12/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 4 other signatures 2->51 11 fatura.hk.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\nqrvmnqh.exe, PE32 11->31 dropped 14 nqrvmnqh.exe 11->14         started        process5 signatures6 61 Antivirus detection for dropped file 14->61 63 Multi AV Scanner detection for dropped file 14->63 65 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->65 67 2 other signatures 14->67 17 nqrvmnqh.exe 14->17         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.jizzblow.com 107.165.195.92, 49700, 80 EGIHOSTINGUS United States 20->33 35 www.rhondarisley.site 209.17.116.163, 49701, 80 DEFENSE-NETUS United States 20->35 53 System process connects to network (likely due to code injection or exploit) 20->53 24 chkdsk.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-12-06 09:28:45 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
27 of 40 (67.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:tc10 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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
5c628fe453f5872adf2c2a7b77407c7a15e702f6c5727d8bfb14ba78c3acfde5
MD5 hash:
5b4889f98f4cc17ef7ee6df05c798c02
SHA1 hash:
79602c212c1295e53a5979bb5d1a245337d4bf74
SH256 hash:
47d1e16275d98873c63ed2cfe032b171513ff063ccc19399815846d950ed09d6
MD5 hash:
d9639b9bc8a92e559bcffdc05db4c97b
SHA1 hash:
4418f08b864390a97d5bb166e9ac08820c2a3fa0
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: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.

Malspam

Formbook

Executable exe 47d1e16275d98873c63ed2cfe032b171513ff063ccc19399815846d950ed09d6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments