MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d911bfb01daa6f3acafd3ccb33b432d806c82b2b35c0c3408d822bf8c6b4c00. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 6d911bfb01daa6f3acafd3ccb33b432d806c82b2b35c0c3408d822bf8c6b4c00
SHA3-384 hash: 696a7491e3ac88090e882208804faa27fe84004e6548c6d9037dcb0f9c7d9d048f889a4f9f75cb48e5a1be4458131781
SHA1 hash: f5bdb651bf395b9d4606186e8d862442a6b9eec6
MD5 hash: e799fd93fe415d12f07ab65ef012af0a
humanhash: montana-wyoming-asparagus-undress
File name:e799fd93fe415d12f07ab65ef012af0a.exe
Download: download sample
Signature Formbook
File size:672'256 bytes
First seen:2023-11-10 07:06:39 UTC
Last seen:2023-11-10 08:22:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:cBtd8S7biWSqK8+D6wgBr81pFMO2rh89n1CBBgrGWHX2GOPa0D5kjMOUrrnv:Q8YA8lwW8TFMO2rO9nSyrTX2hPPOUf
TLSH T15EE46B3D5DAD123BC1B9DFB58FC58427F1D0A9AB7051AD78A4D703AA4302A56F9C023E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
265
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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
Query firmware table information (likely to detect VMs)
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1340324 Sample: 61cQ2AJ5tR.exe Startdate: 10/11/2023 Architecture: WINDOWS Score: 100 40 www.zabarofficial.com 2->40 42 www.viruceaseusa.com 2->42 44 17 other IPs or domains 2->44 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 9 other signatures 2->60 11 61cQ2AJ5tR.exe 3 2->11         started        signatures3 process4 signatures5 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Injects a PE file into a foreign processes 11->70 14 61cQ2AJ5tR.exe 11->14         started        process6 signatures7 76 Modifies the context of a thread in another process (thread injection) 14->76 78 Maps a DLL or memory area into another process 14->78 80 Sample uses process hollowing technique 14->80 82 Queues an APC in another process (thread injection) 14->82 17 explorer.exe 11 7 14->17 injected process8 dnsIp9 34 umaylek.site 23.227.194.145, 49717, 49742, 80 HVC-ASUS United States 17->34 36 shops.myshopify.com 23.227.38.74, 49720, 80 CLOUDFLARENETUS Canada 17->36 38 2 other IPs or domains 17->38 52 System process connects to network (likely due to code injection or exploit) 17->52 21 explorer.exe 17->21         started        24 WerFault.exe 21 17->24         started        signatures10 process11 signatures12 62 Modifies the context of a thread in another process (thread injection) 21->62 64 Maps a DLL or memory area into another process 21->64 66 Tries to detect virtualization through RDTSC time measurements 21->66 26 explorer.exe 52 128 21->26         started        30 cmd.exe 1 21->30         started        process13 dnsIp14 46 w-ter.wintertoliosso.com 154.197.19.98, 49735, 80 SBSI-AS-APSRASIBusinessSolutionsIncPH Seychelles 26->46 48 www.polar-tours.com 217.160.0.69, 49729, 80 ONEANDONE-ASBrauerstrasse48DE Germany 26->48 50 2 other IPs or domains 26->50 72 System process connects to network (likely due to code injection or exploit) 26->72 74 Query firmware table information (likely to detect VMs) 26->74 32 conhost.exe 30->32         started        signatures15 process16
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-11-10 01:42:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o5gu rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
b473d77c3a8b1bb3c378169fe047949073dde93036e0e781fdf30924d00d59cf
MD5 hash:
f51743626c9b3fbf58a85622cd9e9c72
SHA1 hash:
e3c5801abd7c0a10df6c14daf3cc3e2fc9fbf95b
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
SH256 hash:
6d911bfb01daa6f3acafd3ccb33b432d806c82b2b35c0c3408d822bf8c6b4c00
MD5 hash:
e799fd93fe415d12f07ab65ef012af0a
SHA1 hash:
f5bdb651bf395b9d4606186e8d862442a6b9eec6
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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.

Web download

Formbook

Executable exe 6d911bfb01daa6f3acafd3ccb33b432d806c82b2b35c0c3408d822bf8c6b4c00

(this sample)

  
Delivery method
Distributed via web download

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