MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5d72f46517a26b05a5427b0ab8c8264f88e0428cfaeff06f34e7a69ab3c0d3e. 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 8 File information Comments

SHA256 hash: d5d72f46517a26b05a5427b0ab8c8264f88e0428cfaeff06f34e7a69ab3c0d3e
SHA3-384 hash: 319dd3cbbefd065c62849cadea9c00a0ae539a83dd85856cb31a19d10925880f83978ea5387b48b047920ca68c5123b8
SHA1 hash: 65de9d958d4a655c404984e87e6317667c03dad1
MD5 hash: 14d3999a87bbc7e8aed41e0609fb1a98
humanhash: summer-hamper-seven-artist
File name:d5d72f46517a26b05a5427b0ab8c8264f88e0428cfaeff06f34e7a69ab3c0d3e
Download: download sample
Signature Formbook
File size:493'603 bytes
First seen:2023-04-05 15:56:26 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 12288:WYqJQ5JyKYCy/L1FOtzhanqzW9tHcxikrdsRvg:WYr5JyNCy/L1yNa2WbcdsO
Threatray 2'756 similar samples on MalwareBazaar
TLSH T1F8A4F124E187C806EF50D63E703D56DA259C6FDC8C3D4AD61B9333D6E9328A1F05BA26
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 00710c01a1911900 (2 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
d5d72f46517a26b05a5427b0ab8c8264f88e0428cfaeff06f34e7a69ab3c0d3e
Verdict:
Malicious activity
Analysis date:
2023-04-05 15:56:05 UTC
Tags:
formbook xloader

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
Sending a custom TCP request
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 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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos 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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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: 841922 Sample: B3birwnNS3.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 3 other signatures 2->53 11 B3birwnNS3.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\...\thduljpevj.exe, PE32 11->31 dropped 14 thduljpevj.exe 11->14         started        process5 signatures6 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 Maps a DLL or memory area into another process 14->67 69 Tries to detect virtualization through RDTSC time measurements 14->69 17 thduljpevj.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 1 17->20 injected process9 dnsIp10 33 www.tradelength.net 208.100.26.245, 49695, 80 STEADFASTUS United States 20->33 35 www.motionrarray.com 81.17.29.146, 49697, 80 PLI-ASCH Switzerland 20->35 37 www.vintageteelarty.com 96.126.123.244, 49696, 80 LINODE-APLinodeLLCUS United States 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 help.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-02-06 17:17:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oudr rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
016086edec1eb141fdf26ccf2a1a370e33a415faeb67c9517387ec80fcbc5be9
MD5 hash:
e14f919d1145fde08eb4c1066f4c8b8d
SHA1 hash:
8f6aa57cd0c429326499eea7878b335b4647da16
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
2d79357e18780ffdc725771f00fdf5b13a23a35b67d9a0c8150fc3e4f4bfc04d
MD5 hash:
908072e967d60c2dac081eca5360e9fa
SHA1 hash:
0275e10971602bd1ea4f2f92c94134c83e731f0e
SH256 hash:
d5d72f46517a26b05a5427b0ab8c8264f88e0428cfaeff06f34e7a69ab3c0d3e
MD5 hash:
14d3999a87bbc7e8aed41e0609fb1a98
SHA1 hash:
65de9d958d4a655c404984e87e6317667c03dad1
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:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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