MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38c909bf15fc21291bb3bda3e4c56b117bc9810a85508eb46308b5ebcccd2719. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments
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SHA256 hash: 38c909bf15fc21291bb3bda3e4c56b117bc9810a85508eb46308b5ebcccd2719
SHA3-384 hash: 5bc498415235e9bc2622655d25e09eb40eeb38dfff34ca393394813dfad4d1b178e1eb0cbc9a9fd44791551fec0f16f3
SHA1 hash: ab721e09a0cceffe597fca7cc42fb0c191e2883b
MD5 hash: 5d7e191c73f740b77dbc5dfd2d2af31b
humanhash: oranges-victor-summer-artist
File name:shaco.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:276'393 bytes
First seen:2022-04-13 13:27:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmoPd0sy492CXmAmdP7cJyYg5FEsBibL7sIQFPIE:HNl8JI3GTg5FEsEbL7sIMIE
Threatray 14'912 similar samples on MalwareBazaar
TLSH T1E344121A7AB4C9D3E6EA06321D7A2A2D4BE9665115D1078F1B902F9D3C313D2C82F393
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
381
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
shaco.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 14:57:17 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/176c9e59-5169-4165-8b55-b13bfbbc40ae

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/263449/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/13770/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook nemesis overlay packed python shell32.dll
Link:
https://www.filescan.io/uploads/6256cfe5ffe27d5119c21f9e/reports/0c77c9f3-b377-4ab1-9920-9149bd917443/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/6b89d04b-c327-498b-9a10-77ced14f5cf5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976224
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
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
Sigma detected: CMSTP Execution Process Creation
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 608714 Sample: shaco.exe Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 38 www.vwtcrrm.site 2->38 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 6 other signatures 2->58 12 shaco.exe 18 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\pzrdnmwf.exe, PE32 12->36 dropped 15 pzrdnmwf.exe 1 12->15         started        process6 signatures7 68 Multi AV Scanner detection for dropped file 15->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 74 Injects a PE file into a foreign processes 15->74 18 pzrdnmwf.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 23 explorer.exe 18->23 injected process10 dnsIp11 40 www.petsippliesplus.com 185.53.179.170, 49794, 80 TEAMINTERNET-ASDE Germany 23->40 42 www.forkmylifellc.com 199.59.243.200, 49799, 80 BODIS-NJUS United States 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 27 cmstp.exe 23->27         started        30 autoconv.exe 23->30         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 66 Tries to detect virtualization through RDTSC time measurements 27->66 32 cmd.exe 1 27->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/38c909bf15fc21291bb3bda3e4c56b117bc9810a85508eb46308b5ebcccd2719/
Threat name:
Win32.Trojan.NSISInject
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Status:
Malicious
First seen:
2022-04-13 10:59:29 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hdeqtpyv7qqssg5txwr6jrllcf54taikqvii5nddbc26xtgne4mq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0030293612e1420d3d979e1ae8eb222cc8bcd7e357e1e5c0c3121c6218fa35be
Formbook
0c66120f301e6e13d6b760c5a63f36aed5fd338626a5abfab3f3750b7302d992
Formbook
0eb3aea0d96d9fb004f9c3b63ff3cd49b5f35262102104aab0f39b8f7797a5b1
Formbook
0f26fc2304b6625ef379ab4b0725e57d814a4e87035b6d15215067f3f3321af0
Formbook
46cd865e4436d5c43c1d5ff76d6dc1c7468760df1b7d4f84060b7d429e0ab74d
Formbook
5cd0836a13fa804b548a110f168438da7dffd9c4fb5cc0036241f57bd7c5954d
Formbook
88eed605657dcc9cc542b4a3850b49e5ee83ffa39120c04669fb9f1d53955c43
Formbook
995ed5a87efc98cfc45cd810d470bb7aa28a8e598da4a27516892bffdc99ac27
Formbook
b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af
Formbook
+ 14'902 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sy2h rat spyware stealer trojan
Link:
https://tria.ge/reports/220413-qqm43scdb5/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
e24355a4ae88f24a788ad581691511403b1dcc31a163952799a9a8cae12ec46b
MD5 hash:
1b5b9e26f00b5c159db696e8e18b88a6
SHA1 hash:
1676666141a15427cb78d08efecd6b2997a8214e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f7426d06-1c93-41fe-918e-50ebac2d5086/
Parent samples :
0eb3aea0d96d9fb004f9c3b63ff3cd49b5f35262102104aab0f39b8f7797a5b1
38c909bf15fc21291bb3bda3e4c56b117bc9810a85508eb46308b5ebcccd2719
SH256 hash:
8595d31e1a969445beb2568af5c316f0baab5c8398ab758c1f7d28ea2a17ce84
MD5 hash:
396b5f4f5b66b26f3715ee1126490971
SHA1 hash:
81b3e652f81ae60038ba1aae05ea29cafbee51fe
Link:
https://www.unpac.me/results/f7426d06-1c93-41fe-918e-50ebac2d5086/
SH256 hash:
38c909bf15fc21291bb3bda3e4c56b117bc9810a85508eb46308b5ebcccd2719
MD5 hash:
5d7e191c73f740b77dbc5dfd2d2af31b
SHA1 hash:
ab721e09a0cceffe597fca7cc42fb0c191e2883b
Link:
https://www.unpac.me/results/f7426d06-1c93-41fe-918e-50ebac2d5086/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/38c909bf15fc/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/38c909bf15fc21291bb3bda3e4c56b117bc9810a85508eb46308b5ebcccd2719

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: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/263449/
  
URLhaus
https://urlhaus.abuse.ch/url/2145424/

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