MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdcd78a70ccee419c0ba4960d470fc5c6d299eb126c668be574b380f61a72cb9. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdcd78a70ccee419c0ba4960d470fc5c6d299eb126c668be574b380f61a72cb9
SHA3-384 hash: edb14ed3fb9f8ccb45cb187179515dd3dc807b698e09d6457dd18777e08362837f6c188fb3b3285208b5d59a00176f93
SHA1 hash: b2e5c90af71b66b79ea9fb9d04e811d31b99e261
MD5 hash: d6a0580ec9e49740fae713abcd03007b
humanhash: spaghetti-grey-high-leopard
File name:vbc (2).exe.vir
Download: download sample
Signature Formbook
Create hunting rule
File size:293'400 bytes
First seen:2022-06-23 21:19:40 UTC
Last seen:2022-06-24 07:44:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:zB067O9syjwjg6aJsTVgfzRqsVkL80XVJAAny+pIXI:e67esyjmRTUVHKo0Ldy+QI
TLSH T11E54CF1BB7C59F21C9A45836C0DB442503F0BEC33A33E7963F8D765999813EB1D89A89
TrID 52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter KdssSupport
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
phish.rar
Verdict:
Malicious activity
Analysis date:
2022-06-23 07:13:31 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/dda8a239-2b51-4846-b586-0b17c52338f1

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/282782/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/62b4d90749d6271f1a79096b/reports/eb178503-1279-4649-881c-d1bb0f37843a/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/718cd8fa-c1a5-472d-b2bd-78f4ab79a692
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1018944
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 651440 Sample: vbc (2).exe.vir Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 36 www.patorlsafe.com 2->36 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 7 other signatures 2->46 11 vbc (2).exe.exe 1 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\vbc (2).exe.exe.log, ASCII 11->28 dropped 14 cvtres.exe 11->14         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.quantvenue.com 91.189.114.27, 49790, 80 RU-CENTERRU Russian Federation 17->30 32 numitoken.site 192.64.117.61, 49793, 80 NAMECHEAP-NETUS United States 17->32 34 13 other IPs or domains 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 21 svchost.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fdcd78a70ccee419c0ba4960d470fc5c6d299eb126c668be574b380f61a72cb9/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-06-23 04:08:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
11 of 41 (26.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xgxrjymz3sbtqf2jfqni4h4lrwsthvre3dgrpsxjm4a6ynhfs4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ttju loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220623-z6rlwaabh2/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
4b5d219adb45068ef26d65244b06214c961b1efcdc8884b17b032ceaeede8388
MD5 hash:
06595e8c8de427404f7397d121802dc2
SHA1 hash:
edda659b75ff12253e51e86fcaea718978d0c539
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5163d442-9c9e-4b6e-a4ca-57f443531ab4/
Parent samples :
fdcd78a70ccee419c0ba4960d470fc5c6d299eb126c668be574b380f61a72cb9
09e78c601be649601d88efd9cab2d3730176cbb0adc4a4105ec3e37af037e7bd
SH256 hash:
fe2e2e801e9f8a422ee94daca75630c028b818f09915abc72e080490914566a1
MD5 hash:
4f70486cd21c2d5bc0f3c4c57eee0e01
SHA1 hash:
e53174101926ae2f14e41f7ca6e5d35b480cde22
Link:
https://www.unpac.me/results/5163d442-9c9e-4b6e-a4ca-57f443531ab4/
SH256 hash:
fdcd78a70ccee419c0ba4960d470fc5c6d299eb126c668be574b380f61a72cb9
MD5 hash:
d6a0580ec9e49740fae713abcd03007b
SHA1 hash:
b2e5c90af71b66b79ea9fb9d04e811d31b99e261
Link:
https://www.unpac.me/results/5163d442-9c9e-4b6e-a4ca-57f443531ab4/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fdcd78a70cce/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fdcd78a70ccee419c0ba4960d470fc5c6d299eb126c668be574b380f61a72cb9

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 fdcd78a70ccee419c0ba4960d470fc5c6d299eb126c668be574b380f61a72cb9

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/282782/
  
URLhaus
https://urlhaus.abuse.ch/url/2248704/
  
Delivery method
Distributed via web download

Comments