MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc91fdad85c2e503dd2b21466af613f1bb5ed56f385131c97f15de03e34de141. 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


Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc91fdad85c2e503dd2b21466af613f1bb5ed56f385131c97f15de03e34de141
SHA3-384 hash: ea7d5d62bece04d6e0a64fc55c70a114a6af42f12d7e3156e27f037170cbe1c4c49dff2ed6563b3995018cecf5ae5572
SHA1 hash: d54659f04d8a6f365f99e625a2f153e8b2e07241
MD5 hash: 20999d5e9251f38e53d8ba61447bc044
humanhash: tennis-violet-solar-river
File name:test.exe
Download: download sample
File size:2'978'304 bytes
First seen:2021-10-07 16:29:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:xsmhnqAs9pJc0dnKh+Q0N1rs+vIUSg+6+8ohnRh1Na1OKM6nYAKhFQpSH3Oh5gxr:nqXpy05Q0N1rsYSZ6BoXh1kkypSH3Ohs
Threatray 457 similar samples on MalwareBazaar
TLSH T194D5332076E85572C769E5FB181B7C2153F222C2D431E99F129326B99180F70879FEAF
Reporter Anonymous
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
test.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-07 16:27:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c172ec77-c7e5-490d-af73-946203b0d206

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/195914/
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:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cerbu confuserex evasive obfuscated packed tiny
Link:
https://www.filescan.io/uploads/615f2091b95458900cde4ec6/reports/46e58c38-2892-46bf-9c6b-37986b338063/overview
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c4d2313a-da21-4b8c-b70a-b03c2b0cfd39
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/866572
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
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)
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Splwow64 Without Params
Sigma detected: WScript or CScript Dropper
Sigma detected: Xwizard DLL Sideloading
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 WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 498997 Sample: test.exe Startdate: 07/10/2021 Architecture: WINDOWS Score: 100 85 Antivirus / Scanner detection for submitted sample 2->85 87 Multi AV Scanner detection for submitted file 2->87 89 Machine Learning detection for sample 2->89 91 8 other signatures 2->91 9 test.exe 7 2->9         started        process3 file4 67 C:\Users\user\AppData\...\RtkBtManServ.exe, PE32 9->67 dropped 99 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->99 13 RtkBtManServ.exe 17 45 9->13         started        signatures5 process6 dnsIp7 79 api64.ipify.org 108.171.202.195, 443, 49754 WEBNXUS United States 13->79 81 162.159.128.233, 443, 49766, 49770 CLOUDFLARENETUS United States 13->81 83 3 other IPs or domains 13->83 69 C:\Users\user\AppData\Local\...\xwizard.exe, PE32 13->69 dropped 71 C:\Users\user\AppData\Local\...\winhlp32.exe, PE32 13->71 dropped 73 C:\Users\user\AppData\Local\...\splwow64.exe, PE32 13->73 dropped 75 5 other files (3 malicious) 13->75 dropped 101 Multi AV Scanner detection for dropped file 13->101 103 May check the online IP address of the machine 13->103 105 Machine Learning detection for dropped file 13->105 107 2 other signatures 13->107 18 wscript.exe 1 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 1 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 snuvcdsm.exe 2 26->38         started        43 conhost.exe 26->43         started        45 winhlp32.exe 28->45         started        47 hh.exe 28->47         started        57 2 other processes 28->57 49 xwizard.exe 30->49         started        51 conhost.exe 30->51         started        53 bfsvc.exe 1 1 32->53         started        55 conhost.exe 32->55         started        dnsIp13 77 192.168.2.1 unknown unknown 38->77 59 C:\Users\user\AppData\...\user_Passwords.txt, Little-endian 38->59 dropped 93 Antivirus detection for dropped file 38->93 95 Machine Learning detection for dropped file 38->95 97 Tries to harvest and steal browser information (history, passwords, etc) 38->97 61 C:\Users\user\AppData\Local\Temp\Cookies1, Little-endian 45->61 dropped 63 C:\Users\user\AppData\Local\Temp\Cookies3, Little-endian 47->63 dropped 65 C:\Users\user\AppData\...\user_History.txt, Little-endian 49->65 dropped file14 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc91fdad85c2e503dd2b21466af613f1bb5ed56f385131c97f15de03e34de141/
Threat name:
Win32.Infostealer.Disco
Create hunting rule
Status:
Malicious
First seen:
2021-10-07 16:30:20 UTC
AV detection:
32 of 45 (71.11%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
04e34aad6466f6bfbf51a502632f94e8b2af089740ac1301f4b6443c026c35ad
410efc30abd91864c136cc7952d17c86eaa4d843e2b745c3f9635addadec6b2f
4610964296986b751c0dfaf9ad5677d467fbd77fb5142bf1c64b5fb1e0ff94f5
476a62e25a12d8e509fcb7ec10ece40c53e239effb1e42645461896e75382f89
94b22e09a38c8a1373910f7fad8e45c11003db1048dca3d3a67becbab8fd7470
a35bc86667197881479f85069d295aa12d92ae21d08bbbecb04b5eafdac4aa7f
ae32233ca2a4c0ffb03a6da6154ff2610fe445bdfd8619948b09117ca44ee30b
b65c51251c0445646e6d21c48a4996e9b84f69d2e4564e2853e58c0a153208c6
c23fa54fe44af56db02c448f0304e66ad04812e7ea462d66da776b42b1925b1a
f5cff077c0c9be3d208d6d14251208e3146164d289a0f7337be1a5b1f7ca76c5
+ 447 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
spyware stealer upx
Link:
https://tria.ge/reports/211007-tzvr3acfe5/
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
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
NirSoft WebBrowserPassView
Nirsoft
Unpacked files
SH256 hash:
dd477dc23afb4c2e58387a49c671325d98d2cde53889168d36ed01665f088875
MD5 hash:
7f6ed4cfd10606f1983b7fe5b5b1b7dc
SHA1 hash:
49a9e415697f29ad218f38aa494af03cfd7c71b5
Link:
https://www.unpac.me/results/8ff3567b-dc55-4d9d-bc59-81c970132ec0/
Parent samples :
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
SH256 hash:
d7c4e85aa1e84f68028ca9c889065aa7680fbf77bb65b987592c6e3bd4616961
MD5 hash:
e6de533799250d5ca37c8614025e4bed
SHA1 hash:
06f9cd8a6a77b9fe52ea8c2a69724a2ba144bdc8
Link:
https://www.unpac.me/results/8ff3567b-dc55-4d9d-bc59-81c970132ec0/
SH256 hash:
f999357a17e672e87fbed66d14ba2bebd6fb04e058a1aae0f0fdc49a797f58fe
MD5 hash:
053778713819beab3df309df472787cd
SHA1 hash:
99c7b5827df89b4fafc2b565abed97c58a3c65b8
Link:
https://www.unpac.me/results/8ff3567b-dc55-4d9d-bc59-81c970132ec0/
SH256 hash:
3685bc9f3014a7de5d8ad87ecf464d33ee2fb583c657c665e8d753fdd53bcbe1
MD5 hash:
84f94c90716bb797872affbab6670d4f
SHA1 hash:
5555c2c1577c323b91473911f89655d9d436d461
Link:
https://www.unpac.me/results/8ff3567b-dc55-4d9d-bc59-81c970132ec0/
Parent samples :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 hash:
d0961fd9c6a9b619eba8b0812e99b81ea6f008c658e73719044e45732d415b52
MD5 hash:
0b1a0414dea072f72b851d9283cd1267
SHA1 hash:
2797048327085f239a270dd728b861d91991c324
Link:
https://www.unpac.me/results/8ff3567b-dc55-4d9d-bc59-81c970132ec0/
SH256 hash:
67bdfbca635730edfe3af3d0ccfcba22e93bf0b87edc0f587ecfb325c8e89dd3
MD5 hash:
938952fcf69d7bcf3f8f5712e075cb89
SHA1 hash:
173e26903d404b592654ff449a483bd880074971
Link:
https://www.unpac.me/results/8ff3567b-dc55-4d9d-bc59-81c970132ec0/
Parent samples :
c1b33d9ce977f2a7c8577c0b88a45b5bd309f7cc73d5f68151d5d4e5aa10a523
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
SH256 hash:
deb1246347ce88e8cdd63a233a64bc2090b839f2d933a3097a2fd8fd913c4112
MD5 hash:
df991217f1cfadd9acfa56f878da5ee7
SHA1 hash:
0b03b34cfb2985a840db279778ca828e69813116
Link:
https://www.unpac.me/results/8ff3567b-dc55-4d9d-bc59-81c970132ec0/
Parent samples :
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
6d4fb83b5966976cfe57514f46f758c47e3eae04d1effdaa21039dbc92d344a7
SH256 hash:
bc91fdad85c2e503dd2b21466af613f1bb5ed56f385131c97f15de03e34de141
MD5 hash:
20999d5e9251f38e53d8ba61447bc044
SHA1 hash:
d54659f04d8a6f365f99e625a2f153e8b2e07241
Link:
https://www.unpac.me/results/8ff3567b-dc55-4d9d-bc59-81c970132ec0/
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/bc91fdad85c2e503dd2b21466af613f1bb5ed56f385131c97f15de03e34de141

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: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
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

Executable exe bc91fdad85c2e503dd2b21466af613f1bb5ed56f385131c97f15de03e34de141

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/195914/

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