MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29b9120d8ad7140f77528da00668da77b956fd76ef4dd0ba0af550b771a387b2. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 29b9120d8ad7140f77528da00668da77b956fd76ef4dd0ba0af550b771a387b2
SHA3-384 hash: aa1358b9b79810fccc6cd38dad09b740626d87a9b0ad774c507c8a1ecae609d752d4e3f7e55d13e18653ed939a6e3f09
SHA1 hash: d7f3e3a51f60a1b0a0e0bacc2c8121387b36b6c4
MD5 hash: e70529ba6738cfde0f99a709abb76596
humanhash: sixteen-snake-paris-zulu
File name:Invoice.exe
Download: download sample
Signature Formbook
File size:588'800 bytes
First seen:2020-11-12 12:33:39 UTC
Last seen:2024-07-24 12:30:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:wxUvElDSf2fqYgv2jzz+9avpdfCHdDVHVWTHRCeTMoY6t:/GDSf2fqYT16H5V10DTM6t
Threatray 2'902 similar samples on MalwareBazaar
TLSH B9C41252D33CDB2ED6CE26B8E17E563541F265453253EBB0AE8CBB6B294378121C814B
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Sending a UDP request
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
SUSPICIOUS
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
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 315411 Sample: Invoice.exe Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 31 www.globalindustrysource.com 2->31 33 globalindustrysource.com 2->33 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected FormBook 2->45 47 4 other signatures 2->47 11 Invoice.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 11->29 dropped 57 Writes to foreign memory regions 11->57 59 Maps a DLL or memory area into another process 11->59 15 RegAsm.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 forsythcourtseniorliving.com 184.168.131.241, 49744, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->35 37 www.mtrlx.com 18->37 39 www.forsythcourtseniorliving.com 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 svchost.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-11-12 10:29:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.alsagranit.info/rhk/
Unpacked files
SH256 hash:
8a798d1674c9e85788ea8dc80e76288c3905fe0c26ae389dbae47e45186fc1c4
MD5 hash:
d17c6c2b1a44af672364aa1430222056
SHA1 hash:
ca5d725b7aae91461d80fc56714f9062381130ef
SH256 hash:
29b9120d8ad7140f77528da00668da77b956fd76ef4dd0ba0af550b771a387b2
MD5 hash:
e70529ba6738cfde0f99a709abb76596
SHA1 hash:
d7f3e3a51f60a1b0a0e0bacc2c8121387b36b6c4
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

  
Delivery method
Other

Comments