MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247
SHA3-384 hash: bde7f21da83d71e0b952ac03204ddcab0df1c51e7ca17d565c6ff2db03a06f8c086ac5e543839d98d9a0de00d7a3dc43
SHA1 hash: 8a8f8aa0f49ac6857febd857871fec49ce0bc998
MD5 hash: 2477d6a81f57f54c214f98739399cac7
humanhash: nine-glucose-fifteen-oklahoma
File name:2477d6a81f57f54c214f98739399cac7
Download: download sample
Signature Formbook
Create hunting rule
File size:1'035'264 bytes
First seen:2022-02-28 09:36:36 UTC
Last seen:2022-02-28 14:15:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:Ouwy4+vNYX2Ko8XHnRFBSn16yzSTDth23URPkW+6UY:OQJu26S16yuTDtYMj+
Threatray 13'474 similar samples on MalwareBazaar
TLSH T1F6259E4835D530BDD837CB72CA94EFA0DB29B122D64A907650030E59990DBBECE15EFE
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://107.174.138.201/90/vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-02-28 12:18:30 UTC
Tags:
opendir loader trojan formbook stealer
Link:
https://app.any.run/tasks/14856d1f-c565-46c2-ad8c-834f687f63b9

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/245263/
Detection(s):
SecuriteInfo.com.Variant.Lazy.40768.5331.13873.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/621c97c5b94fb38cb4231428/reports/b0830f99-b416-4776-8c86-653e44715b8d/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/4dc488b9-f00f-4878-bfd2-7add5c7f3dca
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/947262
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 579741 Sample: qH7F3ZPAPA Startdate: 28/02/2022 Architecture: WINDOWS Score: 100 30 www.csdvehgry45y.com 2->30 32 csdvehgry45y.com 2->32 34 3 other IPs or domains 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 6 other signatures 2->42 11 qH7F3ZPAPA.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\qH7F3ZPAPA.exe.log, ASCII 11->28 dropped 14 vbc.exe 11->14         started        process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 2 other signatures 14->56 17 explorer.exe 14->17 injected process8 process9 19 help.exe 17->19         started        signatures10 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46 48 Tries to detect virtualization through RDTSC time measurements 19->48 22 cmd.exe 1 19->22         started        24 explorer.exe 123 19->24         started        process11 process12 26 conhost.exe 22->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-28 09:37:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xs4xwpf744w2zbawuisn3mb2c7glu6o2kkdsy327zmj3so2dujdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6
Formbook
6ecfdff224175dade2cbf63719974b5335c1a81cf787142681163ddf882ce00e
Formbook
6ed4597153654e9526d066d62bbf7cc0e7d7e0660049f9e3b826475d3fa71abe
Formbook
921628eeb649a7c9f45ccb4b95ccecba8a76e273a88bdf8478c7e63cef2fb10a
Formbook
98a0baed911fcca09a50dd4dc17f6f65edf26cc6d834681b1d2a270bfbf3f45c
Formbook
a6fc3d54528af98d4e971543db7f11f891d08269e288ad6822959c0a47665609
Formbook
c8dfddd4c5d6b2c5ee3c4f74651673e6975c4ae05d7aece0c08e40c2ad92db7e
Formbook
+ 13'464 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:vy44 rat spyware stealer trojan
Link:
https://tria.ge/reports/220228-llgz2sdhe3/
Behaviour
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
Uses the VBS compiler for execution
Formbook Payload
Formbook
Unpacked files
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/1edb80a0-6d34-4913-9286-7af97de1834d/
SH256 hash:
1847a931b80be6a2f865388bed09a3c8b2a0999e6791f8f0d1bd9327fbca7e71
MD5 hash:
93c2bd1ceb917727c4b22545363558fb
SHA1 hash:
bdeac872015135a2cab963fe30a2c78461596822
Link:
https://www.unpac.me/results/1edb80a0-6d34-4913-9286-7af97de1834d/
SH256 hash:
caa6dbddf617cb312735a63114c6348e33f6ff4ad3220e995cccf0b9dd0c45dd
MD5 hash:
bc0bf2ee5ba20e06fd18b9c3e0680a12
SHA1 hash:
ed9f91c6cb4a7c641d487d1eb0819345a43b013c
Link:
https://www.unpac.me/results/1edb80a0-6d34-4913-9286-7af97de1834d/
SH256 hash:
7a9082e58b4c5f706686494af548c28c91b0d6b023c64ba850098dff87943591
MD5 hash:
ad7eca731b77353ea6fa2ceefb3d051d
SHA1 hash:
23027f153c665a249f7b2c57c034fa690999a447
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1edb80a0-6d34-4913-9286-7af97de1834d/
Parent samples :
921628eeb649a7c9f45ccb4b95ccecba8a76e273a88bdf8478c7e63cef2fb10a
c8dfddd4c5d6b2c5ee3c4f74651673e6975c4ae05d7aece0c08e40c2ad92db7e
bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247
d30c20e0685764513feb26aec0cddb5040a2d50d4f65cf1872349d7b852f55ac
SH256 hash:
bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247
MD5 hash:
2477d6a81f57f54c214f98739399cac7
SHA1 hash:
8a8f8aa0f49ac6857febd857871fec49ce0bc998
Link:
https://www.unpac.me/results/1edb80a0-6d34-4913-9286-7af97de1834d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bcb97b3cbfe7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247

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: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 bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2066104/
Cape
Cape
https://www.capesandbox.com/analysis/245263/

Comments


Avatar
zbet commented on 2022-02-28 09:36:37 UTC

url : hxxp://107.174.138.201/90/vbc.exe