MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546. 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 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546
SHA3-384 hash: 77623939155f49c8d65cabccafd4e1097fb1781155d562ccd8ae10df2d2ba9535252cd720ad2a38a12e51d5efa7c4f3d
SHA1 hash: 5b699f023304e78d905345b254ebc608a4726721
MD5 hash: f3ad3e0f90adfd9a28dbeab4bc6196ef
humanhash: river-west-network-twenty
File name:f3ad3e0f90adfd9a28dbeab4bc6196ef.exe
Download: download sample
Signature Stop
Create hunting rule
File size:780'288 bytes
First seen:2024-04-24 12:40:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0c221599ea7b9c4f042cfb23a69ed3b1 (3 x Stop)
ssdeep 12288:O53AxLUl6AiI6LWr0A91IaNnrC0RAbRXouUUfXZLCdSZSoHfx1uDbccdt7Hw:OAHuRr0U1IF1RXd9fQGSoHfGncit7Q
TLSH T1BCF412017ED2CB71E4A3CE3358628950D93EFC7255B04A77337E964E0A715C08A9EB6A
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
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 0808044490242200 (1 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://cajgtus.com/test1/get.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
341
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 12:42:19 UTC
Tags:
loader vodkagats djvu ransomware stop
Link:
https://app.any.run/tasks/da53012a-53f7-433a-b93a-284b4850ba2d

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a TCP request to an infection source
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
Query of malicious DNS domain
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/6628fde014ba3ce82899c39b/reports/96eff992-395e-49f0-bac4-4038f72eb3b4/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3543ad94-7bb8-4d5f-a72d-f0b33bcc7d36
Result
Threat name:
Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1431076
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
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1431076 Sample: qJKiVKZdFk.exe Startdate: 24/04/2024 Architecture: WINDOWS Score: 100 93 sdfjhuz.com 2->93 95 cajgtus.com 2->95 97 2 other IPs or domains 2->97 113 Snort IDS alert for network traffic 2->113 115 Found malware configuration 2->115 117 Malicious sample detected (through community Yara rule) 2->117 119 12 other signatures 2->119 13 qJKiVKZdFk.exe 2->13         started        16 qJKiVKZdFk.exe 2->16         started        18 mstsca.exe 2->18         started        20 5 other processes 2->20 signatures3 process4 signatures5 139 Detected unpacking (changes PE section rights) 13->139 141 Detected unpacking (overwrites its own PE header) 13->141 143 Writes a notice file (html or txt) to demand a ransom 13->143 149 2 other signatures 13->149 22 qJKiVKZdFk.exe 1 16 13->22         started        145 Multi AV Scanner detection for dropped file 16->145 147 Injects a PE file into a foreign processes 16->147 26 qJKiVKZdFk.exe 16->26         started        29 mstsca.exe 18->29         started        31 qJKiVKZdFk.exe 20->31         started        33 qJKiVKZdFk.exe 20->33         started        35 qJKiVKZdFk.exe 20->35         started        37 2 other processes 20->37 process6 dnsIp7 99 api.2ip.ua 104.21.65.24, 443, 49699, 49700 CLOUDFLARENETUS United States 22->99 69 C:\Users\user\AppData\...\qJKiVKZdFk.exe, PE32 22->69 dropped 39 qJKiVKZdFk.exe 22->39         started        42 icacls.exe 22->42         started        71 C:\Users\user\_README.txt, ASCII 26->71 dropped 73 C:\Users\user\Desktop\...73WCXBPIUYI.xlsx, data 26->73 dropped 75 C:\Users\user\DesktopbehaviorgraphLTYDMDUST.pdf, data 26->75 dropped 77 2 other malicious files 26->77 dropped 135 Modifies existing user documents (likely ransomware behavior) 26->135 44 schtasks.exe 29->44         started        file8 signatures9 process10 signatures11 133 Injects a PE file into a foreign processes 39->133 46 qJKiVKZdFk.exe 1 23 39->46         started        51 conhost.exe 44->51         started        process12 dnsIp13 105 cajgtus.com 189.232.19.193, 49703, 49704, 49705 UninetSAdeCVMX Mexico 46->105 107 sdfjhuz.com 211.181.24.132, 49702, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 46->107 85 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 46->85 dropped 87 C:\_README.txt, ASCII 46->87 dropped 89 10f5ef49-b826-4bae...85f.tmp.bgjs (copy), Google 46->89 dropped 91 91 other malicious files 46->91 dropped 109 Tries to harvest and steal browser information (history, passwords, etc) 46->109 111 Infects executable files (exe, dll, sys, html) 46->111 53 build2.exe 46->53         started        56 build3.exe 46->56         started        file14 signatures15 process16 signatures17 121 Detected unpacking (changes PE section rights) 53->121 123 Detected unpacking (overwrites its own PE header) 53->123 125 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 53->125 127 Writes many files with high entropy 53->127 58 build2.exe 53->58         started        129 Uses schtasks.exe or at.exe to add and modify task schedules 56->129 131 Injects a PE file into a foreign processes 56->131 63 build3.exe 56->63         started        process18 dnsIp19 101 95.217.9.149, 443, 49707, 49709 HETZNER-ASDE Germany 58->101 103 steamcommunity.com 23.65.44.84, 443, 49706 AKAMAI-ASUS United States 58->103 79 C:\Users\user\AppData\Local\...\sqln[1].dll, PE32 58->79 dropped 81 C:\Users\user\...\76561199673019888[1].htm, data 58->81 dropped 137 Tries to harvest and steal browser information (history, passwords, etc) 58->137 83 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 63->83 dropped 65 schtasks.exe 63->65         started        file20 signatures21 process22 process23 67 conhost.exe 65->67         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546/
Threat name:
Win32.Backdoor.Mokes
Create hunting rule
Status:
Malicious
First seen:
2024-04-24 12:41:05 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mjrdxxnlbei6zjgngmjvha3wdw6pn4rkjahnvf3bx3hwhdy4ivda._file
Verdict:
malicious
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/240424-pwrh1saa83/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://cajgtus.com/test1/get.php
Unpacked files
SH256 hash:
28e1c285437437f28462bb73d77b4e64f2f4afd68c3618641f6b593c3b2b4bea
MD5 hash:
4d24b5da9e5c17259cfd517ac4529554
SHA1 hash:
d4ba9d60da54944dfabdd9e9dc6cc35535affdb3
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
SUSP_XORed_URL_In_EXE
Create hunting rule
MALWARE_Win_STOP
Create hunting rule
Link:
https://www.unpac.me/results/e1e65ab3-c613-4e55-9c4c-88f35a70bc3f/
Parent samples :
946e4a86f1cb22fab17f7e3a9a0422421e781b99357436e816ddb00e5154ed48
455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2
6c0bd6cae657449a07dcb78940ea732d7e4e24546477b083116bff4c99bd417d
8e53393db26258fb917fd570861070420d31148c2826dcdbed52ce326c2d5ff6
444cf71032e7c7be2a79255af4fb38bab0333fb0a060ecc3fe91473d26ebce83
62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546
9c9ed624eaf441b4637d50fe25d386636c5cb59fb69f5b824afc7cec6dfff7f0
8b7851ae383ee5e1d106322f99d0a6149044e317ed310ce7464ff7d82afa725c
6b20888a57749e9e7bdd567daa7347e525018e32aa98d61f684f3ed9372a4239
SH256 hash:
62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546
MD5 hash:
f3ad3e0f90adfd9a28dbeab4bc6196ef
SHA1 hash:
5b699f023304e78d905345b254ebc608a4726721
Link:
https://www.unpac.me/results/e1e65ab3-c613-4e55-9c4c-88f35a70bc3f/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/62623bddab09/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/62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546

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:Check_Dlls
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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: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 62623bddab0911eca4cd33135383761dbcf6f22a480eda9761becf638f1c4546

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2794529/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments