MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41a329a29ef2b80383739356d137646509dd5fcc91c40aacff48930d6ff6c407. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 41a329a29ef2b80383739356d137646509dd5fcc91c40aacff48930d6ff6c407
SHA3-384 hash: b162bba709dcdf6d9fb6fedb61c405a9a2a10f4090e9cf55eafe4094f1220d391aff24d8251ccbeb0883b6e1de5e9e63
SHA1 hash: b0673e08322ac7f6948b945a9d86b294d13424eb
MD5 hash: 90261e3d0141f06356de9fa0020bc527
humanhash: sad-spring-purple-kitten
File name:Bioteqs gmbh bestel BIO432.exe
Download: download sample
Signature Formbook
File size:3'754'496 bytes
First seen:2022-02-01 19:15:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 49152:BRdpp2aGN0xFfo8VJGw3DlFMK8tEu71B/0TIoIhI:B3FGwpTAKoHV+
Threatray 13'022 similar samples on MalwareBazaar
TLSH T15B068D66F3484D63CDDF1E7370A51754BF38CA4B07869B4B124AA2D8DCB23C09E6166E
File icon (PE):PE icon
dhash icon 70c0d0d0c8ccf0f0 (8 x Formbook, 4 x NanoCore, 3 x RedLineStealer)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bioteqs gmbh bestel BIO432.exe
Verdict:
Malicious activity
Analysis date:
2022-01-31 18:30:13 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
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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 (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 564659 Sample: Bioteqs gmbh bestel BIO432.exe Startdate: 01/02/2022 Architecture: WINDOWS Score: 100 36 www.quimicosypapelesdelnte.com 2->36 38 quimicosypapelesdelnte.com 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 10 other signatures 2->48 11 Bioteqs gmbh bestel BIO432.exe 1 2->11         started        signatures3 process4 file5 28 C:\...\Bioteqs gmbh bestel BIO432.exe.log, ASCII 11->28 dropped 14 subst.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 301.15-5.com 103.133.93.37, 49806, 80 ZNETUS Hong Kong 17->30 32 duncharis.com 74.220.219.94, 49822, 80 UNIFIEDLAYER-AS-1US United States 17->32 34 12 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-01-31 15:53:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
17 of 43 (39.53%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:iepw loader rat
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 WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
00baff64dfe30fb663e0cc83791389730d48a44d65c79cb378310a1a82e3fa6b
MD5 hash:
35909a89e173ec9d3b0196be1fe68e82
SHA1 hash:
48c7c6bc7bfd82bef38aaa0ebcaf5f6c6541504f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
350ab70501579c1bdc4a03e7cd21bf958729b4d7a7473c915e0a19c891d33bbc
MD5 hash:
e1d7a8ab43ce80e40f0d02d4975751ee
SHA1 hash:
dc33edeab63f6e71a5b7c384e541fdd58f7c013d
SH256 hash:
a003c13440cd1cf5d8b90ab955a86729abc034a7cf448cc5f220ef36c5c5570d
MD5 hash:
403c5659600dc098b1fd363367b3871b
SHA1 hash:
26748074311642a3715578e5cf7f951e2c87fee4
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
41a329a29ef2b80383739356d137646509dd5fcc91c40aacff48930d6ff6c407
MD5 hash:
90261e3d0141f06356de9fa0020bc527
SHA1 hash:
b0673e08322ac7f6948b945a9d86b294d13424eb
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:Adsterra_Adware_DOM
Author:IlluminatiFish
Description:Detects Adsterra adware script being loaded without the user's consent
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Distributed via e-mail link

Comments