MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fba9fd3b1bbadb44fa174a16181c1c20ccc04515a6f50ac2212b45e5c390f6c1. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fba9fd3b1bbadb44fa174a16181c1c20ccc04515a6f50ac2212b45e5c390f6c1
SHA3-384 hash: 83cf32cdb146ffe9ab631ff4d14541b73d4eac8723723225b905951d2c5f892b4c152020b92e1851f3e0e6101bb49eaa
SHA1 hash: 5f1f37ec99598251731ff6a6ac33b4d00b1a6401
MD5 hash: 66c81ce63eff008caa8bdc9d8d1d1da6
humanhash: oxygen-michigan-sink-solar
File name:66c81ce63eff008caa8bdc9d8d1d1da6
Download: download sample
Signature Formbook
Create hunting rule
File size:221'184 bytes
First seen:2022-05-11 17:20:58 UTC
Last seen:2022-05-11 17:59:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:xr4qjFWANOhR60OfZGzuV5qeo6+lrd8MDjeonF+EMTB1Am/PRs8GH/NAW2:xsqBihzOfZSjAgkEA/Pa9fNW
TLSH T11E24AC6D1ECB7A9DD0CF03B8853AD38D07A3591497E061DA27E362274F9B3A05CB5263
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 b874e6c6c6c67cb8 (2 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
424
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
DHL_AWB SHIPMENT DOCUMENTS.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-12 09:57:51 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook
Link:
https://app.any.run/tasks/1358c38c-d93b-4b84-a3f7-35eb26e84aea

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/269750/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/627bf091be0219041a93edb5/reports/5fea75a3-8487-4749-a706-f736e8760d41/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/e36a8eed-8006-41f8-9912-ff8e13229b7e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/992064
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 624560 Sample: TyTasyWsK7 Startdate: 11/05/2022 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 7 other signatures 2->55 10 TyTasyWsK7.exe 15 7 2->10         started        process3 dnsIp4 47 alexochemicals.cf 192.185.174.177, 49734, 80 UNIFIEDLAYER-AS-1US United States 10->47 37 C:\Users\user\AppData\Roaming\...\Bavimma.exe, PE32 10->37 dropped 39 C:\Users\user\...\Bavimma.exe:Zone.Identifier, ASCII 10->39 dropped 41 C:\Users\user\AppData\...\TyTasyWsK7.exe.log, ASCII 10->41 dropped 61 Creates an undocumented autostart registry key 10->61 63 Writes to foreign memory regions 10->63 65 Injects a PE file into a foreign processes 10->65 15 MSBuild.exe 10->15         started        18 MSBuild.exe 10->18         started        20 cmd.exe 1 10->20         started        file5 signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 22 explorer.exe 15->22 injected 81 Tries to detect virtualization through RDTSC time measurements 18->81 26 conhost.exe 20->26         started        28 timeout.exe 1 20->28         started        process9 dnsIp10 43 www.mexicomakes.com 22->43 45 parkingpage.namecheap.com 198.54.117.212, 49796, 80 NAMECHEAP-NETUS United States 22->45 57 System process connects to network (likely due to code injection or exploit) 22->57 59 Uses netsh to modify the Windows network and firewall settings 22->59 30 netsh.exe 22->30         started        signatures11 process12 signatures13 67 Modifies the context of a thread in another process (thread injection) 30->67 69 Maps a DLL or memory area into another process 30->69 71 Tries to detect virtualization through RDTSC time measurements 30->71 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fba9fd3b1bbadb44fa174a16181c1c20ccc04515a6f50ac2212b45e5c390f6c1/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-05-11 09:54:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
16 of 26 (61.54%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ou72oy3xlnuj6qxjilbqha4edgmarivu32qvqrbfnc6lq4q63aq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:rx29 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220511-vwy6raghfl/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
fba9fd3b1bbadb44fa174a16181c1c20ccc04515a6f50ac2212b45e5c390f6c1
MD5 hash:
66c81ce63eff008caa8bdc9d8d1d1da6
SHA1 hash:
5f1f37ec99598251731ff6a6ac33b4d00b1a6401
Link:
https://www.unpac.me/results/2520c1c2-6488-45be-a589-d3ea51662828/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fba9fd3b1bba/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/fba9fd3b1bbadb44fa174a16181c1c20ccc04515a6f50ac2212b45e5c390f6c1

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: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 fba9fd3b1bbadb44fa174a16181c1c20ccc04515a6f50ac2212b45e5c390f6c1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2188632/
  
URLhaus
https://urlhaus.abuse.ch/url/2190343/
Cape
Cape
https://www.capesandbox.com/analysis/269750/
  
URLhaus
https://urlhaus.abuse.ch/url/2191259/

Comments


Avatar
zbet commented on 2022-05-11 17:20:59 UTC

url : hxxp://192.227.158.85/obo/owo.exe