MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc5bdcf308bf462c64ec6c329d91437f985c32e80b2cf691e29e37105fd98701. 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


XFilesStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc5bdcf308bf462c64ec6c329d91437f985c32e80b2cf691e29e37105fd98701
SHA3-384 hash: 85caf772a1e77632355f75b50f46278e6a8270f124ef2f51514ba8195a01235adfee03f4629dd1a8a08b75c899f273c9
SHA1 hash: 1c91b08c9edebe268550ac3b8a866862150be46b
MD5 hash: 6efd0684d3ff29a51c2902297ec57d45
humanhash: beryllium-undress-hot-hawaii
File name:zmniejszony_knock.exe
Download: download sample
Signature XFilesStealer
Create hunting rule
File size:2'978'304 bytes
First seen:2022-06-09 11:06:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:OsmhnqAs9pJc0dnKh+Q0N1rs+vIUSg+6+8ohnRh1Na1OKM6nYAKhFQpSH3Oh5gxr:UqXpy05Q0N1rsYSZ6BoXh1kkypSH3Ohs
TLSH T1BAD5332076E85573C769B5FB580B7C2153F222C2D431DA9F129316B99180F70869FEAF
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 JAMESWT_WT
Tags:exe XFilesStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
zmniejszony_knock.exe
Verdict:
Malicious activity
Analysis date:
2022-06-09 11:15:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c2dd3609-501f-4b17-96db-ba6cb03783a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SoranoStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/278226/
Detection(s):
Win.Packed.Bulz-9853289-0
Create hunting rule

Win.Malware.Bulz-9874551-0
Create hunting rule

PUA.Win.Packed.ConfuserEx-6582917-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Creating a process with a hidden window
Searching for synchronization primitives
Reading critical registry keys
Changing a file
Delayed writing of the file
Launching a process
Unauthorized injection to a recently created process
Query of malicious DNS domain
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd.exe confuserex evasive packed
Link:
https://www.filescan.io/uploads/62a1d45e9bbf30d03f460799/reports/77d760d7-19c9-40e2-b89a-4923873783fe/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:
Snatch Builder
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ffc54110-52e0-4e44-a7ea-b1f5180e6a7e
Result
Threat name:
Hog Grabber
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1010456
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected BrowsingHistoryView browser history reader tool
Yara detected Costura Assembly Loader
Yara detected Hog Grabber
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 642953 Sample: zmniejszony_knock.exe Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus / Scanner detection for submitted sample 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 6 other signatures 2->84 9 zmniejszony_knock.exe 5 2->9         started        process3 file4 58 C:\Users\user\AppData\...\RtkBtManServ.exe, PE32 9->58 dropped 60 C:\Users\user\...\zmniejszony_knock.exe.log, ASCII 9->60 dropped 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->90 13 RtkBtManServ.exe 17 46 9->13         started        signatures5 process6 dnsIp7 72 api64.ipify.org 108.171.202.195, 443, 49762 WEBNXUS United States 13->72 74 discord.com 162.159.128.233, 443, 49767, 49779 CLOUDFLARENETUS United States 13->74 76 4 other IPs or domains 13->76 62 C:\Users\user\AppData\Local\...\xwizard.exe, PE32 13->62 dropped 64 C:\Users\user\AppData\Local\...\winhlp32.exe, PE32 13->64 dropped 66 C:\Users\user\AppData\Local\...\snuvcdsm.exe, PE32 13->66 dropped 68 4 other files (1 malicious) 13->68 dropped 92 Antivirus detection for dropped file 13->92 94 Multi AV Scanner detection for dropped file 13->94 96 May check the online IP address of the machine 13->96 98 2 other signatures 13->98 18 wscript.exe 13->18         started        20 wscript.exe 13->20         started        22 wscript.exe 13->22         started        24 2 other processes 13->24 file8 signatures9 process10 process11 26 cmd.exe 18->26         started        28 cmd.exe 20->28         started        30 cmd.exe 22->30         started        32 cmd.exe 1 24->32         started        34 conhost.exe 24->34         started        36 choice.exe 24->36         started        process12 38 winhlp32.exe 1 26->38         started        41 hh.exe 2 26->41         started        56 2 other processes 26->56 43 snuvcdsm.exe 2 28->43         started        46 conhost.exe 28->46         started        48 xwizard.exe 30->48         started        50 conhost.exe 30->50         started        52 bfsvc.exe 1 1 32->52         started        54 conhost.exe 32->54         started        dnsIp13 70 192.168.2.1 unknown unknown 43->70 86 Multi AV Scanner detection for dropped file 43->86 88 Tries to harvest and steal browser information (history, passwords, etc) 43->88 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc5bdcf308bf462c64ec6c329d91437f985c32e80b2cf691e29e37105fd98701/
Threat name:
Win32.Infostealer.Disco
Create hunting rule
Status:
Malicious
First seen:
2022-06-05 13:38:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrn5z4yix5dcyzhmnqzj3ekdp6mfymxibmwpnepcty3rax6zq4aq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  9/10
Tags:
spyware stealer upx
Link:
https://tria.ge/reports/220609-m7zbwsbff7/
Behaviour
Modifies registry class
Modifies system certificate store
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
NirSoft WebBrowserPassView
Nirsoft
Unpacked files
SH256 hash:
deb1246347ce88e8cdd63a233a64bc2090b839f2d933a3097a2fd8fd913c4112
MD5 hash:
df991217f1cfadd9acfa56f878da5ee7
SHA1 hash:
0b03b34cfb2985a840db279778ca828e69813116
Link:
https://www.unpac.me/results/075a8ce1-c73f-4e0f-9254-70dabff617f3/
Parent samples :
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
SH256 hash:
67bdfbca635730edfe3af3d0ccfcba22e93bf0b87edc0f587ecfb325c8e89dd3
MD5 hash:
938952fcf69d7bcf3f8f5712e075cb89
SHA1 hash:
173e26903d404b592654ff449a483bd880074971
Link:
https://www.unpac.me/results/075a8ce1-c73f-4e0f-9254-70dabff617f3/
Parent samples :
c1b33d9ce977f2a7c8577c0b88a45b5bd309f7cc73d5f68151d5d4e5aa10a523
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
SH256 hash:
d0961fd9c6a9b619eba8b0812e99b81ea6f008c658e73719044e45732d415b52
MD5 hash:
0b1a0414dea072f72b851d9283cd1267
SHA1 hash:
2797048327085f239a270dd728b861d91991c324
Link:
https://www.unpac.me/results/075a8ce1-c73f-4e0f-9254-70dabff617f3/
SH256 hash:
3685bc9f3014a7de5d8ad87ecf464d33ee2fb583c657c665e8d753fdd53bcbe1
MD5 hash:
84f94c90716bb797872affbab6670d4f
SHA1 hash:
5555c2c1577c323b91473911f89655d9d436d461
Link:
https://www.unpac.me/results/075a8ce1-c73f-4e0f-9254-70dabff617f3/
Parent samples :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 hash:
f999357a17e672e87fbed66d14ba2bebd6fb04e058a1aae0f0fdc49a797f58fe
MD5 hash:
053778713819beab3df309df472787cd
SHA1 hash:
99c7b5827df89b4fafc2b565abed97c58a3c65b8
Link:
https://www.unpac.me/results/075a8ce1-c73f-4e0f-9254-70dabff617f3/
SH256 hash:
d7c4e85aa1e84f68028ca9c889065aa7680fbf77bb65b987592c6e3bd4616961
MD5 hash:
e6de533799250d5ca37c8614025e4bed
SHA1 hash:
06f9cd8a6a77b9fe52ea8c2a69724a2ba144bdc8
Link:
https://www.unpac.me/results/075a8ce1-c73f-4e0f-9254-70dabff617f3/
SH256 hash:
dd477dc23afb4c2e58387a49c671325d98d2cde53889168d36ed01665f088875
MD5 hash:
7f6ed4cfd10606f1983b7fe5b5b1b7dc
SHA1 hash:
49a9e415697f29ad218f38aa494af03cfd7c71b5
Link:
https://www.unpac.me/results/075a8ce1-c73f-4e0f-9254-70dabff617f3/
Parent samples :
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
SH256 hash:
bc5bdcf308bf462c64ec6c329d91437f985c32e80b2cf691e29e37105fd98701
MD5 hash:
6efd0684d3ff29a51c2902297ec57d45
SHA1 hash:
1c91b08c9edebe268550ac3b8a866862150be46b
Link:
https://www.unpac.me/results/075a8ce1-c73f-4e0f-9254-70dabff617f3/
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/bc5bdcf308bf462c64ec6c329d91437f985c32e80b2cf691e29e37105fd98701

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_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:MALWARE_Win_SoranoStealer
Create hunting rule
Author:ditekSHen
Description:Detects SoranoStealer / HogGrabber. Available on Github: /Alexuiop1337/SoranoStealer
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_NAME_ConfuserEx
Create hunting rule
Author:Arnim Rupp
Description:Detects ConfuserEx packed file
Reference:https://github.com/yck1509/ConfuserEx

File information

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

Web download

XFilesStealer

Executable exe bc5bdcf308bf462c64ec6c329d91437f985c32e80b2cf691e29e37105fd98701

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2231437/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/278226/

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