MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff76b56bee6607aa59a49b6b5ef4a27b73ad17df228a1d408ceefc810ac74e9f. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: ff76b56bee6607aa59a49b6b5ef4a27b73ad17df228a1d408ceefc810ac74e9f
SHA3-384 hash: 9141db5fc1ab03b09068891be8942b6911aacbab6d8a5bf9adf31f593f197b4a0d9d537ff6d1b57020797659df7fa310
SHA1 hash: a6ba93e1f1a03ce02c061b58df8bbaf2a6a94dcf
MD5 hash: 1d4e4ee2d0a92c53c7fce63856b1673c
humanhash: king-low-twenty-alaska
File name:PO#41000055885.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:629'248 bytes
First seen:2021-04-08 05:20:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:0yNCCFq8a/VouR3CZxO6aLGwKx5Qwi5fbXRPAWQg6CT724Y+V:0BCFqziEYESO5fDRA/st
Threatray 4'615 similar samples on MalwareBazaar
TLSH 1DD4DF146EA405C8D8EE37F5186180410BBDAD1637E6F718EFB475A85A32633CE60B6F
Reporter fabjer
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#41000055885.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 05:21:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a1c78033-16c2-4e0e-8826-f82cf5fee498

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/132998/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.634-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/669515
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 383686 Sample: PO#41000055885.exe Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 31 www.orchardalley.com 2->31 33 www.ccbarch.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 PO#41000055885.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\PO#41000055885.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 PO#41000055885.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.photosth.com 156.241.53.51, 49746, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->35 37 td-balancer-dc11-60-102.wixdns.net 185.230.60.102, 49751, 80 WIX_COMIL Israel 18->37 39 24 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff76b56bee6607aa59a49b6b5ef4a27b73ad17df228a1d408ceefc810ac74e9f/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-04-07 01:18:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=753lk27omyd2uwnetnvv55fcpnz22f67ekfb2qem536iccwhj2pq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0e1ec8c0b16042cc5f4e0c137f3939aa3e4a47096b32f1c2d41baf1a0d9aa177
Formbook
38b6a40d2eeddf38695294c57971fc2efab81fea95100260a2003baa13616b83
Formbook
5ee7421dbf8127f1c6ff086299b2a1c638ca26a61a649f1cb61230814d0ff4e8
Formbook
6c46b7dff6c4d4d8936f8a241cb8f0392d0b61426e553f81931038a3939018f5
Formbook
86071c5800d553ea0cac697f9188a7b592aa9336bf59302545b14aed8b13ce11
Formbook
95eedb3eaf98ec12d5f66609278d43f94e1f635420d413ee0672bbf9434aafa4
Formbook
b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b
Formbook
bb41f3d7cd89e23050aaf19a29486c0725a3e3b15af1d638e556aa245b04955e
Formbook
c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c
Formbook
c66afb8c639b5c09c04daf10d60c7ead5c5a60bb44db330f3818a3f99cb17483
Formbook
+ 4'605 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210408-xptcjdypk6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.walkinginsky.com/s2oc/
Unpacked files
SH256 hash:
6590b9ec4fa84e44c372fda26f47d6d58859d74869621c6bdd4086e6ae411379
MD5 hash:
95dfa1a9015a17a1d49b4faa3f3d999d
SHA1 hash:
427b72727b28436554d0443d797f19b2ea37cc16
Link:
https://www.unpac.me/results/81b26252-215f-4ff9-9d8a-505547a68519/
SH256 hash:
ff76b56bee6607aa59a49b6b5ef4a27b73ad17df228a1d408ceefc810ac74e9f
MD5 hash:
1d4e4ee2d0a92c53c7fce63856b1673c
SHA1 hash:
a6ba93e1f1a03ce02c061b58df8bbaf2a6a94dcf
Link:
https://www.unpac.me/results/81b26252-215f-4ff9-9d8a-505547a68519/
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/ff76b56bee6607aa59a49b6b5ef4a27b73ad17df228a1d408ceefc810ac74e9f

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

r09 cb76978500df6a63528a85f99e642526a40184195da2173f5990ca6fb9a15e7d

Formbook

Executable exe ff76b56bee6607aa59a49b6b5ef4a27b73ad17df228a1d408ceefc810ac74e9f

(this sample)

  
Dropped by
SHA256 cb76978500df6a63528a85f99e642526a40184195da2173f5990ca6fb9a15e7d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/132998/

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