MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87c4a09709a7ba312539673bc4e85e4543d8e1ac4da43ce58adf8635f97f6207. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87c4a09709a7ba312539673bc4e85e4543d8e1ac4da43ce58adf8635f97f6207
SHA3-384 hash: a63f1e0714f7f6d020ba20dafd3711427f727b38dcbdb1c4416033ff9a092bf55596115321260f313edf1317599e17f5
SHA1 hash: 29852d0d02caaeb53a264871d0561867c72b97b7
MD5 hash: b57b5730286c47c722bd1bd80e22dadc
humanhash: fruit-lemon-undress-angel
File name:b57b5730286c47c722bd1bd80e22dadc
Download: download sample
Signature Formbook
Create hunting rule
File size:1'039'872 bytes
First seen:2021-12-09 07:37:13 UTC
Last seen:2021-12-09 09:35:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:O38A2q1aJ3OJO8E8P8r5TRGt1z30GUJ57kg3FdPINxesooWZL+iAgsdyn+vzrRK0:Ovi5Tgt1W7kgVdCtU+E4Nvzr8kiSn5
Threatray 12'178 similar samples on MalwareBazaar
TLSH T12925F024D9BB801CE86732F90E16BD561E6B9D79C1028A46333EB249197E707CF227DD
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b57b5730286c47c722bd1bd80e22dadc
Verdict:
Malicious activity
Analysis date:
2021-12-09 19:27:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ceb5c4d8-cf13-4a45-8ba2-f39bd4180650

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/212721/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.29182.31975.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
keylogger obfuscated packed
Link:
https://www.filescan.io/uploads/61b1b25cfa72c81b5b130c6c/reports/f5ad4e22-b8fb-4044-92a9-841fcbf4c643/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/ff4ac809-fb62-46bb-b361-dfd884fbf609
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/904427
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 536905 Sample: vyrz8X9et4 Startdate: 09/12/2021 Architecture: WINDOWS Score: 100 33 www.heidecide.xyz 2->33 35 heidecide.xyz 2->35 37 www.huffmanworks.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 9 other signatures 2->51 11 vyrz8X9et4.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\vyrz8X9et4.exe.log, ASCII 11->31 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 15 vyrz8X9et4.exe 11->15         started        18 vyrz8X9et4.exe 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 20 explorer.exe 15->20 injected process9 dnsIp10 39 bungaauraprediction.com 172.96.191.175, 49850, 80 LEASEWEB-APAC-SIN-11LeasewebAsiaPacificpteltdSG Canada 20->39 41 www.hyslier.com 209.142.79.20, 49824, 80 INNSYSCA Reserved 20->41 43 9 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 55 Performs DNS queries to domains with low reputation 20->55 24 msdt.exe 20->24         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 24->57 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87c4a09709a7ba312539673bc4e85e4543d8e1ac4da43ce58adf8635f97f6207/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-09 07:38:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a77fe43c21c77b47c1ea009c8a7c082eb11abcfb48ff4375cce7edc0925e9c6
Formbook
2c81bc76bb2b34fc085a6ff0beb19fda2b1e400ad67341f55185b8d8b7351643
Formbook
4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9
Formbook
667e8635796cd94ca4161f15f33e8c9d837c7c35a25d583e4f978ad76d9b86f8
Formbook
8ca2107e19d721b560f7e76c4a7ccb03869a24f478dc710159341ddc170e1741
Formbook
b8aa3a9c721eae2745f1671b70869a8e3fe847a16e769d69c40727857ba54b44
Formbook
ba10b4ebe4ae3556a1320c7a9b8cb14da16042061c33f1ded73c193cbac8f346
Formbook
bc42c1e528e70d0f4152e78278ed1a0e4bacf4cab8bb21da9ea8f99a48676355
Formbook
dafe42f172204ac9777c502bf75a2aa9d621c5bba23080815439446f10b74cab
Formbook
ebae4c196d8a58491f149c1f561b8dfcb7286b5b5e14ee85bd2393a968a498b9
Formbook
+ 12'168 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:hno0 loader rat
Link:
https://tria.ge/reports/211209-jgdqqabab3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.heidecide.xyz/hno0/
Unpacked files
SH256 hash:
9cd82dba6c55d901ac7d7007b7a04a30146ad7c297400d44f9d96b90c5ca25d4
MD5 hash:
d9477c36da677507cd33c6eef325d694
SHA1 hash:
330dc88b5041ca9edf57542f5a30c37eef6f11b1
Link:
https://www.unpac.me/results/ac4235d4-eef6-4a81-80bf-d1e8076f5b93/
SH256 hash:
1edc7a6ec92b1012def9926f6cf0acae8b15b383f35c99a05b365af8bcfecb7c
MD5 hash:
c0bf09f4899f29a0e29a0dc110e70763
SHA1 hash:
84b2ab346c215ba6694ec03f78a147011c630c22
Link:
https://www.unpac.me/results/ac4235d4-eef6-4a81-80bf-d1e8076f5b93/
SH256 hash:
e91fb76e13425f9f6253662e380c5bc84196251c9f3969b960d6cbcec79f3d00
MD5 hash:
2dd5b522b207576e74a6e7100367b78a
SHA1 hash:
766051b069420e0539b5a49cf32a72d3cbf44f7a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ac4235d4-eef6-4a81-80bf-d1e8076f5b93/
Parent samples :
2c81bc76bb2b34fc085a6ff0beb19fda2b1e400ad67341f55185b8d8b7351643
4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9
ba10b4ebe4ae3556a1320c7a9b8cb14da16042061c33f1ded73c193cbac8f346
667e8635796cd94ca4161f15f33e8c9d837c7c35a25d583e4f978ad76d9b86f8
87c4a09709a7ba312539673bc4e85e4543d8e1ac4da43ce58adf8635f97f6207
775e97d800d0495cc950870530ddd9fc3a3169b95095c6cba2f29c7b99e0cac1
174efa98c8e09e5ac9d2916509eb3323fa20dd47dd3173ad069a2cb5e17b1852
efaa4527b761b2acb19d40051d303867ce0798ea1e32cf72b4408898d01b463b
SH256 hash:
87c4a09709a7ba312539673bc4e85e4543d8e1ac4da43ce58adf8635f97f6207
MD5 hash:
b57b5730286c47c722bd1bd80e22dadc
SHA1 hash:
29852d0d02caaeb53a264871d0561867c72b97b7
Link:
https://www.unpac.me/results/ac4235d4-eef6-4a81-80bf-d1e8076f5b93/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/87c4a09709a7ba312539673bc4e85e4543d8e1ac4da43ce58adf8635f97f6207

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 87c4a09709a7ba312539673bc4e85e4543d8e1ac4da43ce58adf8635f97f6207

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1868095/
Cape
Cape
https://www.capesandbox.com/analysis/212721/
  
URLhaus
https://urlhaus.abuse.ch/url/1870483/

Comments


Avatar
zbet commented on 2021-12-09 07:37:14 UTC

url : hxxp://65.0.204.123/2010/vnn.exe