MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38935c02661ece35d0287947cc94f02f5256389e1f47b43f701d01e67ef65d78. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38935c02661ece35d0287947cc94f02f5256389e1f47b43f701d01e67ef65d78
SHA3-384 hash: 0099521ed612677eee9702468eb801ece8e4b82c8bb8b250c1160bc289ad9204b7b866e3cc79a7acba58e33e6a93b5e0
SHA1 hash: 3e199a28a4370d920690b3eb032460950675eb51
MD5 hash: 9e315c29eed4b047094cc1f10b720971
humanhash: lamp-failed-kilo-coffee
File name:RFQ21116.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:544'768 bytes
First seen:2021-11-03 07:02:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 263d4e9111f76a284d24a21190f4a6a7 (1 x Formbook)
ssdeep 12288:0lc9Drw8FSZCWyr72w4n4e7PWP4m5Hqfc7:0Ct4ZjyP2w4n4am51
TLSH T159C4CF41E358EEBEE1C210734994ED3158A0E5312F2F58A3EFC16F9ED6299C15A35B83
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ21116.exe
Verdict:
Malicious activity
Analysis date:
2021-11-03 07:06:11 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/fd59eab3-dee1-4381-bae0-ea893ead006e

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/201664/
Detection(s):
Porcupine.Win32.Kryptik.GSUC.102316.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Reading critical registry keys
Launching cmd.exe command interpreter
Deleting a system file
Creating a file in the system32 directory
Creating a file in the system32 subdirectories
Replacing files
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware keylogger packed zusy
Link:
https://www.filescan.io/uploads/618234291c62c356608077d0/reports/f2220b7a-40eb-4121-bcfa-996e0e26252e/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/59e4e08e-ebc6-4de5-ac3b-b0fea6d687f9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/881950
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 514380 Sample: RFQ21116.exe Startdate: 03/11/2021 Architecture: WINDOWS Score: 100 33 www.vote4simone.net 2->33 35 www.elsist.online 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 RFQ21116.exe 2 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\Cielert.tmp, PE32 11->31 dropped 59 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 11->59 61 Writes to foreign memory regions 11->61 63 Found hidden mapped module (file has been removed from disk) 11->63 15 notepad.exe 11->15         started        18 notepad.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected 73 Tries to detect virtualization through RDTSC time measurements 18->73 process9 dnsIp10 37 www.sxjcfw.com 45.207.77.147, 49822, 49835, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 20->37 39 cannabeeswax.com 199.34.228.171, 49820, 49832, 80 WEEBLYUS United States 20->39 41 27 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 raserver.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/38935c02661ece35d0287947cc94f02f5256389e1f47b43f701d01e67ef65d78/
Threat name:
Win32.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2021-11-03 02:49:49 UTC
AV detection:
25 of 44 (56.82%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hcjvyatgd3hdlubipfd4zfhqf5jfmoe6d5d3ip3qdua6m7xwlv4a._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:xzes loader rat
Link:
https://tria.ge/reports/211103-hvdgfadcg3/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.elsist.online/xzes/
Unpacked files
SH256 hash:
bd1c1900ac1a6c7a9f52034618fed74b93acbc33332890e7d738a1d90cbc2126
MD5 hash:
18c5bd51dc833a73288d137a9cee7349
SHA1 hash:
c3bf87e4cf4073bd1e252bb7928b48c49e9ac899
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1331491f-7a82-4989-97ca-443ff3cec5e8/
Parent samples :
776df245d497af81c0e57fb7ef763c8b08a623ea044da9d79aa3b381192f70e2
4216ff4fa7533209a6e50c6f05c5216b8afb456e6a3ab6b65ed9fcbdbd275096
38935c02661ece35d0287947cc94f02f5256389e1f47b43f701d01e67ef65d78
ce02bd114270b91b5f1b727ec890ab5e448f22f98e074e791b685d42968c88ca
3913a9784209fd5c73d1b4c31a77d8ba5ecd175c38cf7c1a1378951eee808f34
SH256 hash:
38935c02661ece35d0287947cc94f02f5256389e1f47b43f701d01e67ef65d78
MD5 hash:
9e315c29eed4b047094cc1f10b720971
SHA1 hash:
3e199a28a4370d920690b3eb032460950675eb51
Link:
https://www.unpac.me/results/1331491f-7a82-4989-97ca-443ff3cec5e8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
Link:
https://yomi.yoroi.company/submissions/38935c02661ece35d0287947cc94f02f5256389e1f47b43f701d01e67ef65d78

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_InTheFuture
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

Executable exe 38935c02661ece35d0287947cc94f02f5256389e1f47b43f701d01e67ef65d78

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/201664/

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