MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a58a5f2c0f0ffae962702357f07665dbf49adc4c376aae50de4ce02745f3b06a. 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 6 File information Comments
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SHA256 hash: a58a5f2c0f0ffae962702357f07665dbf49adc4c376aae50de4ce02745f3b06a
SHA3-384 hash: 1a6c74fdb0083d099d1e94703ae5b7445e5c414278d6337c18bc7d67eee88e560f2002e3c9cfcdcbe6ab9fb6febe7642
SHA1 hash: 2f7448bf6f521d0b93f7f19951131ae3ad9fd0d2
MD5 hash: 243b51845ab4b714ce8cd19d1834d688
humanhash: freddie-hot-high-echo
File name:Quote 390572.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:672'510 bytes
First seen:2023-01-18 14:17:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:kYa6dSeOq8AL5ttKBqvKfVMXJ/RzojVg5xcTqLyecJ8:kY2B0tt7KaX7X5xcTqux8
TLSH T180E4BE1BA93ED243CE5003B4A99996FD9DEF9F918CD1499B2A07FF0B372C14956C42A0
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon cccc96f0e8f0f068 (1 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quote 390572.exe
Verdict:
Malicious activity
Analysis date:
2023-01-18 14:18:54 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/e16d7dc3-f408-4ba1-88ab-9b83744ba429

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/354189/
Detection(s):
SecuriteInfo.com.Variant.Babar.142004.14772.20718.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/61238/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c7ff9b8352dc7065e38d87/reports/6b31f6c4-2125-404a-b3cd-d8e620f19b29/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/46fbfdf2-c694-41cc-b2fd-40758b114801
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1153920
Signature
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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 dropped file
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
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)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 786657 Sample: Quote 390572.exe Startdate: 18/01/2023 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected FormBook 2->59 10 Quote 390572.exe 19 2->10         started        process3 file4 35 C:\Users\user\AppData\Local\Temp\cnwwb.exe, PE32 10->35 dropped 13 cnwwb.exe 1 2 10->13         started        process5 file6 37 C:\Users\user\AppData\...\fywkoiejxw.exe, PE32 13->37 dropped 75 Multi AV Scanner detection for dropped file 13->75 77 Detected unpacking (changes PE section rights) 13->77 79 Maps a DLL or memory area into another process 13->79 81 Contains functionality to detect sleep reduction / modifications 13->81 17 cnwwb.exe 13->17         started        signatures7 process8 signatures9 45 Modifies the context of a thread in another process (thread injection) 17->45 47 Maps a DLL or memory area into another process 17->47 49 Sample uses process hollowing technique 17->49 51 Queues an APC in another process (thread injection) 17->51 20 explorer.exe 4 2 17->20 injected process10 dnsIp11 39 capertidai.shop 198.252.105.99, 49690, 80 HAWKHOSTCA Canada 20->39 41 natroredirect.natrocdn.com 85.159.66.93, 49692, 49693, 80 CIZGITR Turkey 20->41 43 7 other IPs or domains 20->43 61 System process connects to network (likely due to code injection or exploit) 20->61 63 Performs DNS queries to domains with low reputation 20->63 24 explorer.exe 13 20->24         started        27 fywkoiejxw.exe 20->27         started        29 fywkoiejxw.exe 20->29         started        signatures12 process13 signatures14 65 Tries to steal Mail credentials (via file / registry access) 24->65 67 Tries to harvest and steal browser information (history, passwords, etc) 24->67 69 Modifies the context of a thread in another process (thread injection) 24->69 71 Maps a DLL or memory area into another process 24->71 73 Multi AV Scanner detection for dropped file 27->73 31 WerFault.exe 10 27->31         started        33 WerFault.exe 10 29->33         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a58a5f2c0f0ffae962702357f07665dbf49adc4c376aae50de4ce02745f3b06a/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2023-01-17 23:29:12 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwff6lapb75osytqenl7a5tf3p2jvxcmg5vk4ug6jtqcorptwbva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/230118-rl9yqafb2w/
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Unpacked files
SH256 hash:
1d0e61e3f113920845ee823a91fddad2e37c3053b9c8f9767d7fe5df31fa329d
MD5 hash:
a224edcc925f354666447250ef040b5c
SHA1 hash:
8c700a52bec5e7cf1e9f44f34a2ee9df7997ed52
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/478ab4ac-99c8-4ead-b083-818edfa56fbb/
Parent samples :
a58a5f2c0f0ffae962702357f07665dbf49adc4c376aae50de4ce02745f3b06a
87a8083bd4da6ab8f6b07927cd49581787ca70cdd9c2dee67de03682b3aa647d
5d40ae41d37143ffb8be9ec1d85563e3cd3b7def268abc33453b926d70a1aee7
428aee241022499cbd49907635162f116e24792b117490949fa3527dc130b90f
SH256 hash:
bfd905897f0b63697091a9fa40d2a4c9b54b4052e02d3d473654d039803eae37
MD5 hash:
e0b5bb5129ad64d7bd988bac56ac0113
SHA1 hash:
9e3ef2a1828d552d8b692e6fc58a04d66f453fe2
Link:
https://www.unpac.me/results/478ab4ac-99c8-4ead-b083-818edfa56fbb/
SH256 hash:
9dd534d013e25257501cac5655081ea0c43ceff553e1cc1226bf154941bc7977
MD5 hash:
2d63f5bec23fc39a4eb4d5d54485416e
SHA1 hash:
85e24e6e8235a29a1ed7085f34e3364ec26c5475
Link:
https://www.unpac.me/results/478ab4ac-99c8-4ead-b083-818edfa56fbb/
SH256 hash:
a58a5f2c0f0ffae962702357f07665dbf49adc4c376aae50de4ce02745f3b06a
MD5 hash:
243b51845ab4b714ce8cd19d1834d688
SHA1 hash:
2f7448bf6f521d0b93f7f19951131ae3ad9fd0d2
Link:
https://www.unpac.me/results/478ab4ac-99c8-4ead-b083-818edfa56fbb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a58a5f2c0f0f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a58a5f2c0f0ffae962702357f07665dbf49adc4c376aae50de4ce02745f3b06a

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/354189/

Comments