MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 990b471f903abfca84370d64f9e0423f350ce3d297323435da830eaf21b2565d. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 990b471f903abfca84370d64f9e0423f350ce3d297323435da830eaf21b2565d
SHA3-384 hash: e854871409228e213763336e20bd09c935f1fdb4ba71cbcd26e58ea8e199dbf19b27dd55bf0bb242bd477f99f1822edb
SHA1 hash: 8018306c153778d3cc7164a594b5580d3ab28ae1
MD5 hash: e528d36054396e15bd50a9405e650183
humanhash: beryllium-sad-paris-hydrogen
File name:e528d36054396e15bd50a9405e650183
Download: download sample
File size:7'711'584 bytes
First seen:2021-06-24 13:16:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4cf09dd5265ea802d83e943c2137765 (1 x QuasarRAT)
ssdeep 196608:0u0aFUCsXDjDyfmdJolpPgToa10/9nFOnJ+kJTmEKFN:XLFUCEDLJ83a10tsElEk
Threatray 42 similar samples on MalwareBazaar
TLSH 8776338087012E52D526A33A89314819F5737C661756BE1F146832B3AEBF2F39C3AF57
Reporter zbetcheckin
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e528d36054396e15bd50a9405e650183
Verdict:
No threats detected
Analysis date:
2021-06-24 13:20:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e95300b0-973f-4d25-8b4b-549774adc9c6

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/168049/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46526812.9425.6557.UNOFFICIAL
Create hunting rule

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:
WeSteal
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/338eff7c-6740-4015-ab0c-f1f283c27893
Result
Threat name:
Unknown
Detection:
malicious
Classification:
adwa
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/807502
Signature
Drops PE files to the startup folder
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 439913 Sample: KkoofSnt5M Startdate: 24/06/2021 Architecture: WINDOWS Score: 52 39 Multi AV Scanner detection for submitted file 2->39 6 KkoofSnt5M.exe 30 2->6         started        10 KkoofSnt5M.exe 30 2->10         started        process3 file4 21 C:\Users\user\AppData\Local\...\win32gui.pyd, PE32+ 6->21 dropped 23 C:\Users\user\AppData\...\win32console.pyd, PE32+ 6->23 dropped 25 C:\Users\user\AppData\Local\...\win32api.pyd, PE32+ 6->25 dropped 33 21 other files (none is malicious) 6->33 dropped 41 Drops PE files to the startup folder 6->41 12 KkoofSnt5M.exe 3 6->12         started        15 conhost.exe 6->15         started        27 C:\Users\user\AppData\Local\...\win32gui.pyd, PE32+ 10->27 dropped 29 C:\Users\user\AppData\...\win32console.pyd, PE32+ 10->29 dropped 31 C:\Users\user\AppData\Local\...\win32api.pyd, PE32+ 10->31 dropped 35 21 other files (none is malicious) 10->35 dropped 17 KkoofSnt5M.exe 1 10->17         started        19 conhost.exe 10->19         started        signatures5 process6 file7 37 C:\Users\user\AppData\...\KkoofSnt5M.exe, PE32+ 12->37 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/990b471f903abfca84370d64f9e0423f350ce3d297323435da830eaf21b2565d/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-06-20 18:57:29 UTC
AV detection:
22 of 46 (47.83%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0d8350366ae41b08cbdc3bef85082c7de988bad53dc98f74863e8b3a362f1ece
16a9bd04b1d92c0853acb7a0e7e9d3a047e9a55829245be9aa23b5088a072f4a
314f7cd6f05ec806c204001478d0498bcaed44acb7648f4961faabef6562fe47
92285ce83adc2f13208ec62a3122123124b68e7783cb1744418699aec29089c8
9666834327abc09d439de802ac288da4d31299517f886c030c1ac7792928876a
98af79411b4b717c65ff5b7839ddb05a80c07ea9658d210da505f2cbb0776140
a267a87d74e15c2b281f4268cf1e3d7e5c5586cf856549528e42d9436e04c9b9
b6bfb18cb265786cbf4373a6dc82d4b8ec586d90f6a6e2cc72a1a3d20b60dda9
bdd5f8de83a0e71360723dfd37b673b2e1971b04c5445fda16b50c78d8c9ba42
da23dacc9e28905b0cc9f0724e182e8963525162b177d023c0c859e8fee09d43
+ 32 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
pyinstaller
Link:
https://tria.ge/reports/210624-rd81ptpbe6/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops startup file
Loads dropped DLL
Unpacked files
SH256 hash:
990b471f903abfca84370d64f9e0423f350ce3d297323435da830eaf21b2565d
MD5 hash:
e528d36054396e15bd50a9405e650183
SHA1 hash:
8018306c153778d3cc7164a594b5580d3ab28ae1
Link:
https://www.unpac.me/results/90bf333f-bb3a-4153-b1f6-15c0e5b5c3de/
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/990b471f903abfca84370d64f9e0423f350ce3d297323435da830eaf21b2565d

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:PE_File_pyinstaller
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Description:Detect PE file produced by pyinstaller
Reference:https://isc.sans.edu/diary/21057
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller.

File information

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

Web download

Executable exe 990b471f903abfca84370d64f9e0423f350ce3d297323435da830eaf21b2565d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1394694/
Cape
Cape
https://www.capesandbox.com/analysis/168049/

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