MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350. 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: 17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350
SHA3-384 hash: c2174154701ebdc7acde67d21787365473a27762bf01c8ce18662b04ac008783d0c02218f5b8752e58bd07b30079e009
SHA1 hash: baa093b366ba5dfac52d7611f26a1cd08aa315e2
MD5 hash: 931f3ab4157f42f78cc74c3d46eb3d67
humanhash: oven-sink-uncle-mockingbird
File name:vbc (3).exe.vir
Download: download sample
Signature Formbook
Create hunting rule
File size:221'720 bytes
First seen:2022-06-23 18:36:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:e+D2T1BteZBflkILq3jBr5ZEYJxeX8Ct:UBOS39r5WYJxCNt
TLSH T17C2412847FD8CC51C4509F328486C50D8BF4FAA5E942DF2B5A9C9238AEC33E75C9E589
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter KdssSupport
Tags:dropped exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-06-23 10:24:52 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/71850743-0aa7-40f3-ab69-c09989ed866b

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/282719/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b4b2d049d6271f1a78dbb5/reports/292b3ad6-e6fa-46af-a532-9fdd76da3feb/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/0242cb84-f73d-4352-832e-cbcf71fba379
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1018838
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
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 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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 651334 Sample: vbc (3).exe.vir Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 10 vbc (3).exe.exe 1 2->10         started        process3 file4 35 C:\Users\user\AppData\...\vbc (3).exe.exe.log, ASCII 10->35 dropped 65 Writes to foreign memory regions 10->65 67 Allocates memory in foreign processes 10->67 69 Injects a PE file into a foreign processes 10->69 14 cvtres.exe 10->14         started        17 cvtres.exe 10->17         started        signatures5 process6 signatures7 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Maps a DLL or memory area into another process 14->73 75 Sample uses process hollowing technique 14->75 77 Queues an APC in another process (thread injection) 14->77 19 explorer.exe 1 14->19 injected 79 Tries to detect virtualization through RDTSC time measurements 17->79 process8 dnsIp9 37 jivraj9india.com 15.197.142.173, 49799, 49800, 49801 TANDEMUS United States 19->37 39 www.koredeiihibi.com 160.251.71.124, 49763, 80 INTERQGMOInternetIncJP Japan 19->39 41 12 other IPs or domains 19->41 51 System process connects to network (likely due to code injection or exploit) 19->51 53 Performs DNS queries to domains with low reputation 19->53 23 systray.exe 1 12 19->23         started        signatures10 process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 23->55 57 Tries to harvest and steal browser information (history, passwords, etc) 23->57 59 Modifies the context of a thread in another process (thread injection) 23->59 61 2 other signatures 23->61 26 cmd.exe 2 23->26         started        29 cmd.exe 1 23->29         started        process13 signatures14 63 Tries to harvest and steal browser information (history, passwords, etc) 26->63 31 conhost.exe 26->31         started        33 conhost.exe 29->33         started        process15
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2022-06-23 17:29:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c7blyejqtgqnqkd4llxlo3ofhbrtgjlmvasf2lnihkdutpxr2nia._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:zgtb loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220623-w9gdjahde4/
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
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Formbook
Unpacked files
SH256 hash:
4c225ce05701dc7a5191207bbaaeebfe27fd8f6ae8d8171842e6a60ac3afccde
MD5 hash:
fcc02cdc0f599bd244e118a5fc710abb
SHA1 hash:
1dddbd0c7bfdc3343358c51528ede1f35ddb32c3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/aec61ace-ed9e-4a19-9d7a-0f5e43de240b/
Parent samples :
04e6039e29e0b8f6fb1ec1502a3225c74c4c18f6c0ba1ce10eb2c834ede7f149
a7492a3e2caa18c09290209462772d7356966ed9fe91f86830284d950604b300
17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350
0b3fffd1de700b6d54df6bd954e66c523292484ce0686fb0ae5750b57734a0dd
112c01d48613316c5620071a1d3900e798d7421445b1a5174b2a56c228c5c3c2
7d850c7483817ae91c6b6dde59c22141b754d04ec2e0985ffcd85b08f2e9ae58
b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5
SH256 hash:
17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350
MD5 hash:
931f3ab4157f42f78cc74c3d46eb3d67
SHA1 hash:
baa093b366ba5dfac52d7611f26a1cd08aa315e2
Link:
https://www.unpac.me/results/aec61ace-ed9e-4a19-9d7a-0f5e43de240b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/17c2bc113099/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/17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350

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.

Cape
Cape
https://www.capesandbox.com/analysis/282719/

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