MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 204dffabca2a13098479b2bbe04ffc4ed36e0281cf773ddf139e46d27b40e511. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 204dffabca2a13098479b2bbe04ffc4ed36e0281cf773ddf139e46d27b40e511
SHA3-384 hash: f9ecdb1755ab8724fdfcdb09388e20500bf90359370a5bf67b32e7ebc6ffd295ac4f9d4104073375ae05150690b007e5
SHA1 hash: 6f138b2d1628f8870bc98b689b724ee72e733efb
MD5 hash: c7c54321a4861205970450bd59e92383
humanhash: seventeen-utah-indigo-summer
File name:SecuriteInfo.com.Trojan.DownLoader44.46881.19475.2372
Download: download sample
Signature Formbook
Create hunting rule
File size:823'824 bytes
First seen:2022-03-21 18:14:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Fmh4J9EAXNRFkrYEID7STduSghxtH9Gr0UdSKhbXeU9ouJ91ds6xEkQiwZ7Zk:aIaKhceUJhJKZ7Zk
Threatray 14'267 similar samples on MalwareBazaar
TLSH T16C050D2A38BA100DB271AD6C6BBCB075911EF7F226365CBB0DF7054A11129F0CB9D627
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
B62DF6B5AACB5E319C9CEBB071F676CDDF764EC6
Verdict:
Malicious activity
Analysis date:
2022-03-21 15:23:36 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/7a5d6dda-3103-4e73-8275-da870ca3d555

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/253743/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.46881.19475.2372.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Sending a custom TCP request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated overlay packed packed replace.exe
Link:
https://www.filescan.io/uploads/6238c0bfdfdfa8501cc827e0/reports/3b8b203f-c4ff-4f8e-8e45-2857c9779ab7/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5002346d-cba1-41a4-b9dc-6db30f212dcb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/961172
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 593657 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 31 www.tghi.xyz 2->31 33 www.businessfirstline.com 2->33 35 tghi.xyz 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 10 other signatures 2->49 11 SecuriteInfo.com.Trojan.DownLoader44.46881.19475.exe 1 2->11         started        signatures3 process4 file5 29 SecuriteInfo.com.T...46881.19475.exe.log, ASCII 11->29 dropped 61 Writes to foreign memory regions 11->61 63 Allocates memory in foreign processes 11->63 65 Injects a PE file into a foreign processes 11->65 15 aspnet_compiler.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 2 other signatures 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.krppturfed.quest 37.123.118.150, 49803, 80 UK2NET-ASGB United Kingdom 18->37 39 www.ethercut.com 52.58.78.16, 49796, 80 AMAZON-02US United States 18->39 41 7 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/204dffabca2a13098479b2bbe04ffc4ed36e0281cf773ddf139e46d27b40e511/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-21 05:44:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ebg77k6kfijqtbdzwk56at74j3jw4aubz53t3xyttzdne62a4uiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
05af1ccc6696a83c58e46a5347b40959329af79869e9747399befbe97c85104b
Formbook
2a4415721925c12ce8a80719697ffbda5daf88fe34804b0549bc5d5605790cdb
Formbook
5598831a8a17b53751f4c34112c7c4b42d4906a6e73d60018ae8d499ce605580
Formbook
59ea7066c5ea6dc18d7139bb8773375246fdaa93001567a4cf3abf356e9d7b34
Formbook
7c9612e73117eb9b9654e161c5d5e8e629fe116422ab512186707b9c31a69d47
Formbook
9efea0bd73fe24260b4546b6e6dee1b86bb8fb391b991f53874c96557f1357e6
Formbook
b85b6101f5f24710f8c9d5a32a4fa4194c55d1088c8722b08653aac9e6a3007a
Formbook
d8842d4c311c9e35f77ef0ee038f34061be70a55b38f949e0624d32e5a6a4212
Formbook
+ 14'257 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:vfm2 loader rat
Link:
https://tria.ge/reports/220321-wvx3qsddd9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
02329c031a4994dd47136468e0f838fbdd8a6e053a3a3139f6d53c607292f6e2
MD5 hash:
56b03af8723ae99ce908bdddc4e8feff
SHA1 hash:
9b363d9a0d48dc327df8f114b123f9929a1b8f0f
Link:
https://www.unpac.me/results/eed98ad1-9de2-4b1f-815f-7aa1dbe4932a/
SH256 hash:
e7938db74b624b1bf7de3a9a5bddc37d20541cb28dc189fa21580c9f2344e9ad
MD5 hash:
ad0b2e934012f4b2a0cd14a0d87aa372
SHA1 hash:
4ee150baf9943031ee2837240d70e895f0df37f4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/eed98ad1-9de2-4b1f-815f-7aa1dbe4932a/
Parent samples :
5598831a8a17b53751f4c34112c7c4b42d4906a6e73d60018ae8d499ce605580
9efea0bd73fe24260b4546b6e6dee1b86bb8fb391b991f53874c96557f1357e6
b658c25f1973d56d96fc267f7e626aadf9c6785b1f0a30906b5311dad24e97ca
204dffabca2a13098479b2bbe04ffc4ed36e0281cf773ddf139e46d27b40e511
SH256 hash:
204dffabca2a13098479b2bbe04ffc4ed36e0281cf773ddf139e46d27b40e511
MD5 hash:
c7c54321a4861205970450bd59e92383
SHA1 hash:
6f138b2d1628f8870bc98b689b724ee72e733efb
Link:
https://www.unpac.me/results/eed98ad1-9de2-4b1f-815f-7aa1dbe4932a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/204dffabca2a/report/overview.html
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/204dffabca2a13098479b2bbe04ffc4ed36e0281cf773ddf139e46d27b40e511

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 204dffabca2a13098479b2bbe04ffc4ed36e0281cf773ddf139e46d27b40e511

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/253743/
  
URLhaus
https://urlhaus.abuse.ch/url/2109366/
  
Delivery method
Distributed via web download

Comments