MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88ca3a1645d118aa05e7656baebc701c5e10eabc5257ec45652c217b4bdc9647. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88ca3a1645d118aa05e7656baebc701c5e10eabc5257ec45652c217b4bdc9647
SHA3-384 hash: 3415fa17e495136da125803bfbf92378156e4ffaa5b0e94f5853abcb0859e72338ade9012d81159c41f57ba027b965d1
SHA1 hash: 067739f6b334e105e5c8019e5db6468f25ea6c4c
MD5 hash: fadbdaeaf6300d6796fb046ecf7d250e
humanhash: fix-montana-purple-golf
File name:88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe
Download: download sample
Signature Stop
Create hunting rule
File size:727'552 bytes
First seen:2023-01-30 02:20:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c24ba5a868480ad6d3a33414ba7faf9e (13 x Smoke Loader, 11 x Amadey, 9 x Tofsee)
ssdeep 12288:akfDihPFjBAG6GrcT0p8kZQ1Gk7FFbyvde2MpuBDhzwlGsJv1rNGz+Y1MNs:jfQBNYYpvZi3p2Xf0rh17Y1R
Threatray 2'952 similar samples on MalwareBazaar
TLSH T1EDF423603B2098B3C2D54EB65821D3A59B7FB4221565A74727E81B7E7F70BC2B33530A
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 9a9acefecee6eaee (153 x Amadey, 147 x Smoke Loader, 25 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://135.181.41.147/

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 02:20:40 UTC
Tags:
trojan loader stealer vidar ransomware stop
Link:
https://app.any.run/tasks/9bed22a8-cdab-4b8c-8465-5eb837e4611f

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/358073/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.16369.UNOFFICIAL
Create hunting rule

Win.Dropper.Tofsee-9980297-0
Create hunting rule

Win.Malware.Botx-9980313-0
Create hunting rule

Win.Ransomware.Ransomx-9980401-0
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
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/63896/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult greyware lockbit packed tofsee
Link:
https://www.filescan.io/uploads/63d7298f696b2d972574dc48/reports/7d2213cd-7a7a-474b-91d6-918fcf4c9803/overview
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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4222eb90-3f2f-4aa6-ab75-ed29e690f57b
Result
Threat name:
Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161241
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 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
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793977 Sample: 88CA3A1645D118AA05E7656BAEB... Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 8 other signatures 2->88 12 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 2->12         started        15 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 2->15         started        17 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 2->17         started        19 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 2->19         started        process3 signatures4 102 Detected unpacking (changes PE section rights) 12->102 104 Detected unpacking (overwrites its own PE header) 12->104 106 Writes a notice file (html or txt) to demand a ransom 12->106 108 Writes many files with high entropy 12->108 21 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 1 18 12->21         started        110 Antivirus detection for dropped file 15->110 112 Multi AV Scanner detection for dropped file 15->112 114 Machine Learning detection for dropped file 15->114 25 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 12 15->25         started        116 Injects a PE file into a foreign processes 17->116 27 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 17->27         started        29 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 19->29         started        process5 dnsIp6 74 api.2ip.ua 162.0.217.254, 443, 49687, 49688 ACPCA Canada 21->74 64 88CA3A1645D118AA05...1C5E10EABC5257E.exe, PE32 21->64 dropped 66 88CA3A1645D118AA05...exe:Zone.Identifier, ASCII 21->66 dropped 31 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 21->31         started        34 icacls.exe 21->34         started        76 fresherlights.com 25->76 file7 process8 signatures9 118 Injects a PE file into a foreign processes 31->118 36 88CA3A1645D118AA05E7656BAEBC701C5E10EABC5257E.exe 1 21 31->36         started        41 conhost.exe 31->41         started        process10 dnsIp11 68 uaery.top 31.167.233.54, 49689, 80 MOBILY-ASEtihadEtisalatCompanyMobilySA Saudi Arabia 36->68 70 fresherlights.com 36->70 72 2 other IPs or domains 36->72 56 C:\Users\user\AppData\Local\...\build2.exe, PE32 36->56 dropped 58 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->58 dropped 60 C:\_readme.txt, ASCII 36->60 dropped 62 332 other malicious files 36->62 dropped 90 Infects executable files (exe, dll, sys, html) 36->90 92 Modifies existing user documents (likely ransomware behavior) 36->92 43 build2.exe 36->43         started        file12 signatures13 process14 signatures15 94 Multi AV Scanner detection for dropped file 43->94 96 Detected unpacking (changes PE section rights) 43->96 98 Detected unpacking (creates a PE file in dynamic memory) 43->98 100 2 other signatures 43->100 46 build2.exe 43->46         started        process16 dnsIp17 78 t.me 149.154.167.99, 443, 49696 TELEGRAMRU United Kingdom 46->78 80 135.181.41.147, 49697, 80 HETZNER-ASDE Germany 46->80 120 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 46->120 122 Tries to harvest and steal browser information (history, passwords, etc) 46->122 124 Tries to steal Crypto Currency Wallets 46->124 50 cmd.exe 46->50         started        signatures18 process19 process20 52 conhost.exe 50->52         started        54 timeout.exe 50->54         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88ca3a1645d118aa05e7656baebc701c5e10eabc5257ec45652c217b4bdc9647/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2022-12-02 06:03:41 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
33 of 39 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rdfdufsf2emkubphmvv25pdqdrpbb2v4kjl6yrlffqqxws64szdq._file
Verdict:
malicious
Similar samples:
1061b07d564f5b59516d9994855e0d5f02c704a5345e0f892c6f01b257c38caa
Stop
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Stop
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 2'942 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:19 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230130-cs1ajafb2w/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://fresherlights.com/test1/get.php
https://t.me/litlebey
https://steamcommunity.com/profiles/76561199472399815
Unpacked files
SH256 hash:
8779e70ecca194ad9a2b3fcb34b48ba7637a3e0e55bfe299c259b83c5f49e06e
MD5 hash:
1f5f769d6b6c0dd9af8711156b7782ce
SHA1 hash:
e3cd3627696584833ef6512ff84d0352d2b2d98c
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/c993ebae-68cd-4482-8d5f-4f215775942f/
Parent samples :
aaef58ede9edbfc0cbbdd3dc7abfa9ae0f977ed1b33af4f5d7665123187801d1
61a39dccc9cc27c83552c340c7a862039067f8aed4229261f70fe1c124fc6a10
e91a1bebf77ad8fac5dbdaa8a655791e8cb545b043c1afc31715fc3c604d0346
88ca3a1645d118aa05e7656baebc701c5e10eabc5257ec45652c217b4bdc9647
SH256 hash:
88ca3a1645d118aa05e7656baebc701c5e10eabc5257ec45652c217b4bdc9647
MD5 hash:
fadbdaeaf6300d6796fb046ecf7d250e
SHA1 hash:
067739f6b334e105e5c8019e5db6468f25ea6c4c
Link:
https://www.unpac.me/results/c993ebae-68cd-4482-8d5f-4f215775942f/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/88ca3a1645d1/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/88ca3a1645d118aa05e7656baebc701c5e10eabc5257ec45652c217b4bdc9647

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
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
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/358073/

Comments