MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3d391dac8cecf22acc946063a6c0afe18d3778cbdfc168b96b67fe5c15d9494. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3d391dac8cecf22acc946063a6c0afe18d3778cbdfc168b96b67fe5c15d9494
SHA3-384 hash: 336094378238faea6b7e615a15a598e35f29cd487c0aa6e3a2f771c2e2629544d4be5265e64a2b4e7fffb9b407e291c1
SHA1 hash: 914dc1a1be45810bc6621b5be2df5f525582ded8
MD5 hash: f29a5bd9756ad959bb11271e1a4984aa
humanhash: spaghetti-may-vermont-chicken
File name:stub1.exe
Download: download sample
File size:21'396'687 bytes
First seen:2022-12-31 05:30:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a6cec5b1a631d592d80900ab7e1de8df (3 x IRCbot, 3 x CobaltStrike, 3 x RedLineStealer)
ssdeep 393216:ZflgwHGyvAhWIzA9QsrloKn3e/m3pZeWG2QXBv8SxRDJNW8Z9tF9N+:Zflbmyv6WLqbdKZMv/HNW8ZLF9N
Threatray 3'842 similar samples on MalwareBazaar
TLSH T143273397B3440AD8F495333BAC4B952655E67C0647A8C28B45D81A601EFF1D2BE3BF32
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon c6c2ccc4f4e0e0f8 (37 x PythonStealer, 21 x CrealStealer, 19 x Empyrean)
Reporter r3dbU7z
Tags:exe pyinstaller spyware

Intelligence

File Origin
# of uploads :
1
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
stub1.exe
Verdict:
Malicious activity
Analysis date:
2022-12-31 05:33:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/99ada834-3c45-4000-8837-18e1a08b7311

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.20600.23024.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed
Link:
https://www.filescan.io/uploads/63afc9180fdf1633326cb0a3/reports/58f9bf3d-c2fb-405a-b198-f436e9c40490/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1143442
Signature
Connects to a pastebin service (likely for C&C)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 776172 Sample: stub1.exe Startdate: 31/12/2022 Architecture: WINDOWS Score: 56 30 pastebin.com 2->30 36 Multi AV Scanner detection for submitted file 2->36 38 Connects to a pastebin service (likely for C&C) 2->38 40 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->40 9 stub1.exe 501 2->9         started        signatures3 process4 process5 11 stub1.exe 6 9->11         started        dnsIp6 32 pastebin.com 104.20.67.143, 443, 49703, 49704 CLOUDFLARENETUS United States 11->32 34 172.67.34.170, 443, 49706, 49708 CLOUDFLARENETUS United States 11->34 14 cmd.exe 1 11->14         started        16 cmd.exe 1 11->16         started        18 cmd.exe 1 11->18         started        process7 process8 20 powershell.exe 31 14->20         started        22 conhost.exe 14->22         started        24 powershell.exe 31 16->24         started        26 conhost.exe 16->26         started        28 conhost.exe 18->28         started       
Gathering data
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-12-31 05:31:45 UTC
File Type:
PE+ (Exe)
Extracted files:
3250
AV detection:
5 of 26 (19.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upjzdwwiz3hsflgjiyddu3ak7ymng54mxx6bnc4wwz76lqk5sska._file
Verdict:
unknown
Similar samples:
12a23889a21d1682c204c2530270c5e80d0666f00382ee14bed50babf68daa83
30b39abec09a0975936b022b05e4a8b6e2fe34cb52c533a1fdfb2f9832152b74
4c3e6e0a44cec929b36ea43075ddb2d952c8fe7c19ee1b61de1e4f5b896a2147
5a07bc69ad4a2437e2a2ee9913a60fc6f147a895ea5d82bc2c1e3103a0b54454
61b16d71a76f83cef63d079b0735cd0a1cee24f1119063e28ef1f227f2bb27c4
937e73c80582b2c880a5af198e6520e76e22c3e1ef2fe4a8278d0b49ec61ef86
acb6ddc1461c0d9e81f482f4e5738f330d01f0365b6f95e44aa5792fbe8d7376
b71c27f07c3367ed0733d3bfc17eec9d101a955cf1f8af003ed8977584778d87
d1833d29e63b708289b27d78dbe7604f2a072f2fa853121e29ca13428d81e35e
ec5ab723a255e763e9c87a23d44794b70108b988c7053432177d5dadafd7e645
+ 3'832 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
pyinstaller upx
Link:
https://tria.ge/reports/221231-f7q7ysce2z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
UPX packed file
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c56ed611-ac20-4457-b663-7d9287a339c5
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/a3d391dac8cecf22acc946063a6c0afe18d3778cbdfc168b96b67fe5c15d9494

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller.
Rule name:shad0w_beacon_16June
Create hunting rule
Author:SBousseaden
Description:Shad0w beacon compressed
Reference:https://github.com/bats3c/shad0w

File information

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

Web download

Executable exe a3d391dac8cecf22acc946063a6c0afe18d3778cbdfc168b96b67fe5c15d9494

(this sample)

  
Delivery method
Distributed via web download

Comments