MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash: 49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00
SHA3-384 hash: d1ef05157efd2119e3e8c5034cda5b3766ba24b3d40c8a18064c3e0427e10e24a20c3e46e16bb5268c00284e6c2a79e1
SHA1 hash: bd32195a714e55aa19682078d3aa0ea0bccba4a6
MD5 hash: 89662c80a81d195cdca6cd68802a6c86
humanhash: florida-high-hydrogen-butter
File name:app388.exe
Download: download sample
Signature Stop
File size:806'912 bytes
First seen:2023-05-21 14:48:33 UTC
Last seen:2023-05-21 18:55:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 40be65705a95a43e6733e98c1ce5e92b (6 x Stop, 3 x Smoke Loader, 1 x TeamBot)
ssdeep 12288:gjcGhibCavuW8ISgi5mSaawzZrJyEDcGCkcseUDUNIc0f4fEsK:gHhib5+ph7+ZrJrAc7eBNh8sK
Threatray 1'830 similar samples on MalwareBazaar
TLSH T19905F1037192FF77D55587718929C6B876EEB8618B012BCB32556F6B18312E3DAF2302
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 80a4c0c484c0c084 (1 x Stop)
Reporter Neiki
Tags:Stop

Intelligence


File Origin
# of uploads :
5
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
app388.exe
Verdict:
Malicious activity
Analysis date:
2023-05-21 15:25:04 UTC
Tags:
ransomware stop loader stealer vidar trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Searching for the window
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
Sending a custom TCP request
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
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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
Verdict:
Malicious
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
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 Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 872198 Sample: app388.exe Startdate: 22/05/2023 Architecture: WINDOWS Score: 100 92 Snort IDS alert for network traffic 2->92 94 Found malware configuration 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 12 other signatures 2->98 11 app388.exe 2->11         started        14 app388.exe 2->14         started        16 app388.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 108 Detected unpacking (changes PE section rights) 11->108 110 Detected unpacking (overwrites its own PE header) 11->110 112 Writes a notice file (html or txt) to demand a ransom 11->112 114 Writes many files with high entropy 11->114 20 app388.exe 1 17 11->20         started        116 Injects a PE file into a foreign processes 14->116 24 app388.exe 15 14->24         started        26 app388.exe 16->26         started        118 Multi AV Scanner detection for dropped file 18->118 28 app388.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 78 api.2ip.ua 162.0.217.254, 443, 49701, 49702 ACPCA Canada 20->78 58 C:\Users\user\...\app388.exe:Zone.Identifier, ASCII 20->58 dropped 60 C:\Users\user\AppData\Local\...\app388.exe, MS-DOS 20->60 dropped 32 app388.exe 20->32         started        35 icacls.exe 20->35         started        80 211.119.84.112, 49710, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 24->80 82 zexeq.com 24->82 37 conhost.exe 30->37         started        file7 process8 signatures9 90 Injects a PE file into a foreign processes 32->90 39 app388.exe 1 25 32->39         started        process10 dnsIp11 84 zexeq.com 190.229.19.7, 49704, 49706, 80 TelecomArgentinaSAAR Argentina 39->84 86 colisumy.com 211.40.39.251, 49703, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 39->86 88 api.2ip.ua 39->88 62 StartUnifiedTileMo...che.dat.gapo (copy), DOS 39->62 dropped 64 C:\Users\...\StartUnifiedTileModelCache.dat, DOS 39->64 dropped 66 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->66 dropped 68 128 other malicious files 39->68 dropped 106 Modifies existing user documents (likely ransomware behavior) 39->106 44 build2.exe 39->44         started        47 build3.exe 39->47         started        file12 signatures13 process14 file15 120 Detected unpacking (changes PE section rights) 44->120 122 Detected unpacking (overwrites its own PE header) 44->122 124 Injects a PE file into a foreign processes 44->124 50 build2.exe 44->50         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->70 dropped 126 Uses schtasks.exe or at.exe to add and modify task schedules 47->126 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 72 t.me 149.154.167.99, 443, 49707 TELEGRAMRU United Kingdom 50->72 74 49.12.115.154, 49708, 8333 HETZNER-ASDE Germany 50->74 76 192.168.2.1 unknown unknown 50->76 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->100 102 Tries to harvest and steal browser information (history, passwords, etc) 50->102 104 Tries to steal Crypto Currency Wallets 50->104 56 conhost.exe 54->56         started        signatures19 process20
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-05-21 14:49:16 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:9dfa7ee730fa2f1efb5ed51dbbec22f5 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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/raud/get.php
https://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
Unpacked files
SH256 hash:
1f44d011766b74e27a8bfe3e659796c2916ffa2d52dcc090b54f15a42e6c2f41
MD5 hash:
69e386fa6972ccce5b292c548e763ec6
SHA1 hash:
1ef08a06c94d3f734b45f5095c1b1d54d243d9b2
Detections:
win_stop_auto
Parent samples :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 hash:
49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00
MD5 hash:
89662c80a81d195cdca6cd68802a6c86
SHA1 hash:
bd32195a714e55aa19682078d3aa0ea0bccba4a6
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
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
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Windows_Ransomware_Stop_1e8d48ff
Author:Elastic Security
Rule name:win_stop_auto
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.

Comments