MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4b16018f7ea64cf88506858f2ffab461a39bd1ecef83be0fc9a96266e4f6149. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4b16018f7ea64cf88506858f2ffab461a39bd1ecef83be0fc9a96266e4f6149
SHA3-384 hash: 7d136b78ccb0e6d088907c361cf627a223ef7722eb6d8f27494cb09d9695ba86cb4750168091878246421f629d48dde8
SHA1 hash: ef192d4695aa1467887d425e18c99e3181eaa239
MD5 hash: 4d93210060b11d704b1044cbc1b6bdfa
humanhash: papa-arizona-july-three
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:240'448 bytes
First seen:2022-11-02 03:36:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:0UuaY5s6+swE4EHjNWXPZxQ71hEbaFSkjiRrP4jA:Gpu9EHjNWXPZxha+b
Threatray 2'862 similar samples on MalwareBazaar
TLSH T1B3346B74A1F16ACDE896CEB28E64ED19FFE31C559A05820FD03235F6553BB85CA040FA
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter jstrosch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Technical specification.js
Verdict:
Malicious activity
Analysis date:
2022-11-01 06:44:28 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f7948d67-d062-4249-a9fb-f83b5d7acf36

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/326947/
Detection(s):
SecuriteInfo.com.UntrustedCertificate.Aichost.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a file
Searching for synchronization primitives
Reading critical registry keys
DNS request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed packed
Link:
https://www.filescan.io/uploads/6361e5e2a5db8d309cbc4996/reports/04d04999-a149-4852-874c-0afcd47ff533/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/771f8b59-a3b6-4ae3-9500-42d7efd88c37
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1102935
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735596 Sample: file.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 32 www.sbgfoundation.net 2->32 34 sbgfoundation.net 2->34 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 7 other signatures 2->48 9 file.exe 15 3 2->9         started        signatures3 process4 dnsIp5 36 tgc8x.tk 50.115.174.192, 443, 49707, 49708 VIRPUS United States 9->36 24 C:\Users\user\AppData\Local\...\file.exe.log, CSV 9->24 dropped 58 Writes to foreign memory regions 9->58 60 Allocates memory in foreign processes 9->60 62 Injects a PE file into a foreign processes 9->62 14 aspnet_compiler.exe 9->14         started        file6 signatures7 process8 signatures9 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 17 explorer.exe 14->17 injected process10 dnsIp11 26 creotopi.biz 162.214.80.106, 49715, 49716, 49717 UNIFIEDLAYER-AS-1US United States 17->26 28 www.yumfechy.online 162.0.238.95, 49718, 49719, 49720 NAMECHEAP-NETUS Canada 17->28 30 5 other IPs or domains 17->30 38 System process connects to network (likely due to code injection or exploit) 17->38 40 Uses ipconfig to lookup or modify the Windows network settings 17->40 21 ipconfig.exe 13 17->21         started        signatures12 process13 signatures14 50 Tries to steal Mail credentials (via file / registry access) 21->50 52 Tries to harvest and steal browser information (history, passwords, etc) 21->52 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4b16018f7ea64cf88506858f2ffab461a39bd1ecef83be0fc9a96266e4f6149/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-11-01 12:57:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2sywaghx5jsm7ccqnbmpf75liyndtpi6z34dxyh4tklcm3spmfeq._file
Verdict:
malicious
Similar samples:
42ff33d8a2c198145c876fbfab4855fa43faaf292d10c73f144619c34714f97e
Formbook
6958abe800cfc61111ed84296406d0b8cb8a251209bb08b5772a25fc0c65ac2c
Formbook
6ab70b64db33144464739beb641047bfb8f3d967c3561054d94e8dca267ca3a1
Formbook
8a553b6a9ee5177e24eee3b0af2bf0dd813e1daf2ce6d3a90294f815606bc62e
Formbook
8d2245952066731545e35c0dd194b48df2e16010d34136ed5b07bc96d763f613
Formbook
a2942f4b52d24096733c6a8373bc3cee7f1823120bf652c688b8296b04a94a96
Formbook
c1bc25f768e41a646f902de9572b855ac973cfa7a9c6bef82c5a99123a72e67b
Formbook
f41437ca03cac6a40974f48ba8b8b38856f9f6de955f7514b3e18471ed73789f
Formbook
fcebb36035585f1e54deb8621271ebdf13ed6345f4e6a4e5ec6e1acbb7378161
Formbook
+ 2'852 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d0ad rat spyware stealer trojan
Link:
https://tria.ge/reports/221102-d6gk1shgam/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7e99fe3f-99aa-4cd9-8d39-58ba60ded3f8
Unpacked files
SH256 hash:
5836a59d84aeeb8b49f7148146efd6d4b98445f8cf3131042be1a7d63649b596
MD5 hash:
6c9ac7961273f3b9e6b9505b4f31bdc9
SHA1 hash:
079d03d0a41b57d5c9d7b3ae4c4801e330d489bb
Link:
https://www.unpac.me/results/dfd1c608-9ad9-43c0-9ad3-d44e2e022258/
SH256 hash:
d4b16018f7ea64cf88506858f2ffab461a39bd1ecef83be0fc9a96266e4f6149
MD5 hash:
4d93210060b11d704b1044cbc1b6bdfa
SHA1 hash:
ef192d4695aa1467887d425e18c99e3181eaa239
Link:
https://www.unpac.me/results/dfd1c608-9ad9-43c0-9ad3-d44e2e022258/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/d4b16018f7ea64cf88506858f2ffab461a39bd1ecef83be0fc9a96266e4f6149

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe d4b16018f7ea64cf88506858f2ffab461a39bd1ecef83be0fc9a96266e4f6149

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/326947/
  
URLhaus
https://urlhaus.abuse.ch/url/2396479/

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