MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8709e33a0e8a32066bed154147f47696c267a850c744c39167ec541b917403bd. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 8709e33a0e8a32066bed154147f47696c267a850c744c39167ec541b917403bd
SHA3-384 hash: 36cb8088c550fb5d6722b89a3ed42ff74f81b4e6456cd2ca87132a0d514ca7cae52a5214e4f73d001afc702f3ba1dfef
SHA1 hash: b11aae54347f7d42a7168413b03e7d743b850daf
MD5 hash: c4be76b428d6f38b335c49e360e3e8d6
humanhash: uniform-maine-mirror-november
File name:file
Download: download sample
Signature Formbook
File size:326'656 bytes
First seen:2023-01-13 13:51:12 UTC
Last seen:2023-01-13 15:37:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:roYSBw3ml2pm+PEYA/6LKEJBKZTfTyMYN+rJ3WqjGe:4Biml2paF/VBYN+rlXj9
Threatray 1'325 similar samples on MalwareBazaar
TLSH T182640162778B4722CC1965B9C0FF045803F8AFC7B6739795AF88395844423A7EED49CA
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter jstrosch
Tags:.NET exe FormBook MSIL X64

Intelligence


File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
INVOICE 1284 - DO 1494 - PO073400-1.js
Verdict:
Malicious activity
Analysis date:
2023-01-13 09:07:57 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
obfuscated overlay packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 783901 Sample: file.exe Startdate: 13/01/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 7 other signatures 2->40 8 file.exe 1 2->8         started        process3 file4 24 C:\Users\user\AppData\Local\...\file.exe.log, CSV 8->24 dropped 50 Writes to foreign memory regions 8->50 52 Allocates memory in foreign processes 8->52 54 Injects a PE file into a foreign processes 8->54 56 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->56 12 aspnet_compiler.exe 8->12         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 12->58 60 Maps a DLL or memory area into another process 12->60 62 Sample uses process hollowing technique 12->62 64 Queues an APC in another process (thread injection) 12->64 15 explorer.exe 3 6 12->15 injected process8 dnsIp9 26 www.abttt.win 103.49.248.170, 49718, 49719, 49720 POWERLINE-AS-APPOWERLINEDATACENTERHK China 15->26 28 www.karlscurry.co.uk 217.160.0.249, 49699, 80 ONEANDONE-ASBrauerstrasse48DE Germany 15->28 30 7 other IPs or domains 15->30 32 System process connects to network (likely due to code injection or exploit) 15->32 19 svchost.exe 13 15->19         started        22 autofmt.exe 15->22         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2023-01-13 08:25:51 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
8709e33a0e8a32066bed154147f47696c267a850c744c39167ec541b917403bd
MD5 hash:
c4be76b428d6f38b335c49e360e3e8d6
SHA1 hash:
b11aae54347f7d42a7168413b03e7d743b850daf
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.

Web download

Formbook

Executable exe 8709e33a0e8a32066bed154147f47696c267a850c744c39167ec541b917403bd

(this sample)

  
Delivery method
Distributed via web download

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