MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856e1c83f34ed788e607571d7adad436f8d5992cf052d623287f89e9d63aebd2. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 856e1c83f34ed788e607571d7adad436f8d5992cf052d623287f89e9d63aebd2
SHA3-384 hash: 128b7fd4239d2e582ac762d3ab3535e987fc0bfe3dc32d30fb98fb0fb84e6deb63d1fd36f946c608320e820d4ab73cf8
SHA1 hash: 11f426806b22d255a03187b27b79250cf0904297
MD5 hash: dd9ffa7cabee8b78e5148c26d704cee7
humanhash: music-utah-south-twelve
File name:dd9ffa7cabee8b78e5148c26d704cee7.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:317'920 bytes
First seen:2021-11-24 18:39:06 UTC
Last seen:2021-11-24 21:05:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiu9SpUEaBWPgsFiMabvXrxkv/JkjiHCSreXbCmltyi9z/iR2ahGG5xt:zUSMbDxkzHTeerEz/iZFN
Threatray 11'735 similar samples on MalwareBazaar
TLSH T15764135EBAC9486BD9AB113016B99FE9F3BE039A11E30E0747D41D2B2C236D617052F7
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1HT42224.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-24 10:30:21 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/c1539060-9779-42bc-8591-798137b87f1b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.51582.13380.3242.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/619e8709b71ceed4152edb36/reports/6f740fc6-7ee0-4496-9017-f3d6620b8a8b/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d1a2cbf-c989-4e20-92d2-9093ff4a1c1b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/895656
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 528131 Sample: u0HFKPAXoj.exe Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 31 www.deepenthebond.net 2->31 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 5 other signatures 2->39 11 u0HFKPAXoj.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\mwnyjvdwqny.dll, PE32 11->29 dropped 49 Tries to detect virtualization through RDTSC time measurements 11->49 51 Injects a PE file into a foreign processes 11->51 15 u0HFKPAXoj.exe 11->15         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 process10 20 mstsc.exe 18->20         started        signatures11 41 Self deletion via cmd delete 20->41 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        25 explorer.exe 1 154 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/856e1c83f34ed788e607571d7adad436f8d5992cf052d623287f89e9d63aebd2/
Threat name:
Win32.Spyware.Noon
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Status:
Malicious
First seen:
2021-11-24 15:11:25 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
15 of 28 (53.57%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1bdc41058e53e885ccf81cf42ddac59733b6608f40719017dde98ac33ed8b8f5
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
7d17b18e332045a37d541f993563e8dc53374b2575f1fe59597c8f53ee0fa325
Formbook
9ef41c4caeb7137f6416d6b258cb231ce61e15a394d31de293615564ce4062cd
Formbook
c62f6b9af03c0419e1dd8cea2186b52ddfd5c464d9107cdd7d2fc5995325c158
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
d78094f3b6eac87e2d4249671bdc4e044afb31e2e78aac8f2db7186c6d5b6db1
Formbook
+ 11'725 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:znhk loader rat
Link:
https://tria.ge/reports/211124-xamxpsddhm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.fahrzeug.media/znhk/
Unpacked files
SH256 hash:
856e1c83f34ed788e607571d7adad436f8d5992cf052d623287f89e9d63aebd2
MD5 hash:
dd9ffa7cabee8b78e5148c26d704cee7
SHA1 hash:
11f426806b22d255a03187b27b79250cf0904297
Link:
https://www.unpac.me/results/351af11c-8650-4793-a265-e383a0703a3f/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/856e1c83f34e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.32
Link:
https://yomi.yoroi.company/submissions/856e1c83f34ed788e607571d7adad436f8d5992cf052d623287f89e9d63aebd2

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 856e1c83f34ed788e607571d7adad436f8d5992cf052d623287f89e9d63aebd2

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/209126/
  
URLhaus
https://urlhaus.abuse.ch/url/1779477/
  
Delivery method
Distributed via web download

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