MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d99973f12a3ec4234ff160cbb88d583e48d5128c8290632d077acc348d5b7f9. 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


Stop


Vendor detections: 17


Intelligence 17 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d99973f12a3ec4234ff160cbb88d583e48d5128c8290632d077acc348d5b7f9
SHA3-384 hash: a8f3635562b706c4f92b4c56038bd8a05f0395c3c4d68f3fc782777a406c77d8371e10a62ed96bfc7a29a80c06ecd059
SHA1 hash: 3905dde926f84b4916fed2977a41e0c7a62fbfdb
MD5 hash: 903e9af7031d4ca9ccef2a023c0cd6a2
humanhash: diet-purple-sierra-bulldog
File name:setup.exe
Download: download sample
Signature Stop
Create hunting rule
File size:851'456 bytes
First seen:2023-03-18 14:02:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1f747831a32e6998fc7ce4a6eabf60f (8 x RedLineStealer, 4 x Amadey, 4 x Stop)
ssdeep 12288:KFtMUNWHh4VpGwk236T4UHobmj/kPTksoB3C3YKKIs7E1cTtYR/:KXIGpGwk236THoE/so0RAGCtYR
Threatray 1'367 similar samples on MalwareBazaar
TLSH T10F05D013A2A17C58E9224B729E1FC6F8771DF2618F497B663218AA2F05F11B2C573F50
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1048422808080400 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-18 14:03:50 UTC
Tags:
loader stealer ransomware stop
Link:
https://app.any.run/tasks/97380534-93bd-4c41-a49e-b7d84970b2d5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/375300/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
DNS request
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/73741/overview
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6415c496f8dd0701d53bfac4/reports/55f3e042-3ad5-4142-a68d-e408dfdfcd03/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1d99973f12a3ec4234ff160cbb88d583e48d5128c8290632d077acc348d5b7f9
Result
Verdict:
UNKNOWN
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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a5b092a3-58ce-4d19-8abb-20b2f9054cfc
Result
Threat name:
Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1196611
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 829512 Sample: setup.exe Startdate: 18/03/2023 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 10 other signatures 2->77 11 setup.exe 2->11         started        14 setup.exe 2->14         started        process3 signatures4 81 Detected unpacking (changes PE section rights) 11->81 83 Detected unpacking (overwrites its own PE header) 11->83 85 Writes a notice file (html or txt) to demand a ransom 11->85 87 3 other signatures 11->87 16 setup.exe 1 18 11->16         started        process5 dnsIp6 59 api.2ip.ua 162.0.217.254, 443, 49697, 49698 ACPCA Canada 16->59 45 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 16->45 dropped 47 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 16->47 dropped 20 setup.exe 16->20         started        23 icacls.exe 16->23         started        file7 process8 signatures9 79 Injects a PE file into a foreign processes 20->79 25 setup.exe 1 25 20->25         started        process10 dnsIp11 65 uaery.top 187.233.22.167, 49699, 80 UninetSAdeCVMX Mexico 25->65 67 zexeq.com 211.119.84.112, 49700, 49703, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 25->67 69 api.2ip.ua 25->69 51 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 25->51 dropped 53 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 25->53 dropped 55 C:\_readme.txt, ASCII 25->55 dropped 57 127 other malicious files 25->57 dropped 89 Modifies existing user documents (likely ransomware behavior) 25->89 30 build2.exe 25->30         started        33 build3.exe 1 25->33         started        file12 signatures13 process14 file15 91 Detected unpacking (changes PE section rights) 30->91 93 Detected unpacking (overwrites its own PE header) 30->93 95 Injects a PE file into a foreign processes 30->95 36 build2.exe 12 30->36         started        49 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 33->49 dropped 97 Uses schtasks.exe or at.exe to add and modify task schedules 33->97 39 schtasks.exe 33->39         started        signatures16 process17 dnsIp18 61 t.me 149.154.167.99, 443, 49704 TELEGRAMRU United Kingdom 36->61 63 116.203.13.130, 49705, 80 HETZNER-ASDE Germany 36->63 41 WerFault.exe 36->41         started        43 conhost.exe 39->43         started        process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1d99973f12a3ec4234ff160cbb88d583e48d5128c8290632d077acc348d5b7f9/
Threat name:
Win32.Trojan.InstaBot
Create hunting rule
Status:
Malicious
First seen:
2023-03-18 14:03:07 UTC
File Type:
PE (Exe)
Extracted files:
60
AV detection:
22 of 39 (56.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dwmzopysupweenh7cyglxcgvqpsi2ujizauqmmwqo6wmgsgvw74q._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Stop
a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
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b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'357 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d6ef050131e7d5a1d595c51613328971 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230318-rcnzwsee6z/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
Unpacked files
SH256 hash:
7bcca2c3f836aff5dcc0f3a8d8ff7ad23f36a71dbcc06eb876d661f30962b50b
MD5 hash:
119457870fb4b90bd41e81499c64c1e6
SHA1 hash:
9f8d8523feacd04b3c438cc45d75829ffa86abe7
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/4c635be3-26dd-4bc6-b557-bb2f6dcf001c/
Parent samples :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 hash:
1d99973f12a3ec4234ff160cbb88d583e48d5128c8290632d077acc348d5b7f9
MD5 hash:
903e9af7031d4ca9ccef2a023c0cd6a2
SHA1 hash:
3905dde926f84b4916fed2977a41e0c7a62fbfdb
Link:
https://www.unpac.me/results/4c635be3-26dd-4bc6-b557-bb2f6dcf001c/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1d99973f12a3/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/1d99973f12a3ec4234ff160cbb88d583e48d5128c8290632d077acc348d5b7f9

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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Telegram_Links
Create hunting rule
Rule name:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information

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

Web download

Stop

Executable exe 1d99973f12a3ec4234ff160cbb88d583e48d5128c8290632d077acc348d5b7f9

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/375300/

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