Analysis
- max time kernel
78s - max time network
123s - platform
windows10-1703_x64 - resource
win10-20240221-en - resource tags
- submitted
28/03/2024, 22:38
General
- Target 97cbe424b392124b7059e772604446f7ecc3a259e2aa8e4ea2cc1bb598b8e645.exe
- Size 299KB
- Sample240328-2khsysae61
- SHA256 97cbe424b392124b7059e772604446f7ecc3a259e2aa8e4ea2cc1bb598b8e645
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2022
-
http://trad-einmyus.com/index.php
-
http://tradein-myus.com/index.php
-
http://trade-inmyus.com/index.php
Extracted
-
djvu
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http://sajdfue.com/test1/get.php
-
extension
.vook
-
offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
-
payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
-
ransomnote
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Extracted
-
redline
-
LogsDiller Cloud (TG: @logsdillabot)
-
5.42.65.0:29587
Extracted
-
vidar
-
8.6
-
5739ef2bbcd39fcd59c5746bfe4238c5
-
https://steamcommunity.com/profiles/76561199658817715
-
https://t.me/sa9ok
-
profile_id_v2
5739ef2bbcd39fcd59c5746bfe4238c5
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Extracted
-
lumma
-
https://resergvearyinitiani.shop/api
Signatures
- DcRat 3 IoCs
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Detect Vidar Stealer 5 IoCs
- Detected Djvu ransomware 16 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Glupteba
Glupteba is a modular loader written in Golang with various components.
- Glupteba payload 1 IoCs
- Lumma Stealer
An infostealer written in C++ first seen in August 2022.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Modifies Installed Components in the registry 2 TTPs 1 IoCs
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 13 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 5 IoCs
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 29 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Modifies registry class 29 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 44 IoCs
- Suspicious use of SendNotifyMessage 23 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\97cbe424b392124b7059e772604446f7ecc3a259e2aa8e4ea2cc1bb598b8e645.exe"C:\Users\Admin\AppData\Local\Temp\97cbe424b392124b7059e772604446f7ecc3a259e2aa8e4ea2cc1bb598b8e645.exe"1⤵
- DcRat
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C11D.bat" "1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵
-
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C:\Users\Admin\AppData\Local\Temp\D4B6.exeC:\Users\Admin\AppData\Local\Temp\D4B6.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\D4B6.exeC:\Users\Admin\AppData\Local\Temp\D4B6.exe2⤵
- DcRat
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\51efab3c-f724-4113-bba4-c886f29e614b" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\D4B6.exe"C:\Users\Admin\AppData\Local\Temp\D4B6.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\D4B6.exe"C:\Users\Admin\AppData\Local\Temp\D4B6.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\4520e7f7-8aff-4834-98ec-f23ad347ebec\build2.exe"C:\Users\Admin\AppData\Local\4520e7f7-8aff-4834-98ec-f23ad347ebec\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\4520e7f7-8aff-4834-98ec-f23ad347ebec\build2.exe"C:\Users\Admin\AppData\Local\4520e7f7-8aff-4834-98ec-f23ad347ebec\build2.exe"6⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3220 -s 20687⤵
- Program crash
-
-
-
-
C:\Users\Admin\AppData\Local\4520e7f7-8aff-4834-98ec-f23ad347ebec\build3.exe"C:\Users\Admin\AppData\Local\4520e7f7-8aff-4834-98ec-f23ad347ebec\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\4520e7f7-8aff-4834-98ec-f23ad347ebec\build3.exe"C:\Users\Admin\AppData\Local\4520e7f7-8aff-4834-98ec-f23ad347ebec\build3.exe"6⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"7⤵
- DcRat
- Creates scheduled task(s)
-
-
-
-
-
-
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C:\Users\Admin\AppData\Local\Temp\E1C7.exeC:\Users\Admin\AppData\Local\Temp\E1C7.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 7962⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\1A7B.exeC:\Users\Admin\AppData\Local\Temp\1A7B.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1DE7.bat" "1⤵
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵
-
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C:\Users\Admin\AppData\Local\Temp\71D5.exeC:\Users\Admin\AppData\Local\Temp\71D5.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exeC:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe2⤵
-
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C:\Users\Admin\AppData\Local\Temp\80BA.exeC:\Users\Admin\AppData\Local\Temp\80BA.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\80BA.exe"C:\Users\Admin\AppData\Local\Temp\80BA.exe"2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
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C:\Windows\System32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
-
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
-
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
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-
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Enumerates connected drives
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
build2.exe
build3.exe
DiscoverCacheData.dat
1A7B.exe
71D5.exe
80BA.exe
C11D.bat
D4B6.exe
E1C7.exe
__PSScriptPolicyTest_vrjo3anl.w14.ps1
bhvihjj
powershell.exe.log
StartupProfileData-Interactive
memory/876-120-0x0000000073100000-0x00000000737EE000-memory.dmp
memory/876-65-0x0000000000940000-0x00000000009A4000-memory.dmp
memory/876-134-0x0000000002CE0000-0x0000000004CE0000-memory.dmp
memory/876-130-0x0000000005320000-0x0000000005330000-memory.dmp
memory/876-74-0x0000000002CE0000-0x0000000004CE0000-memory.dmp
memory/876-68-0x0000000002CB0000-0x0000000002CB1000-memory.dmp
memory/876-67-0x0000000005320000-0x0000000005330000-memory.dmp
memory/876-66-0x0000000073100000-0x00000000737EE000-memory.dmp
memory/2024-382-0x0000000002BD0000-0x0000000002BD1000-memory.dmp
memory/2204-94-0x0000000000590000-0x0000000000690000-memory.dmp
memory/2204-96-0x0000000002160000-0x0000000002191000-memory.dmp
memory/2524-24-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2524-25-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2524-38-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2524-26-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2524-20-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3220-115-0x0000000000400000-0x0000000000644000-memory.dmp
memory/3220-97-0x0000000000400000-0x0000000000644000-memory.dmp
memory/3220-95-0x0000000000400000-0x0000000000644000-memory.dmp
memory/3220-91-0x0000000000400000-0x0000000000644000-memory.dmp
memory/3312-663-0x00007FF6289F0000-0x00007FF62A93C000-memory.dmp
memory/3312-987-0x00007FF6289F0000-0x00007FF62A93C000-memory.dmp
memory/3384-4-0x00000000005C0000-0x00000000005D6000-memory.dmp
memory/3384-321-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/3532-407-0x0000023467F40000-0x0000023467F60000-memory.dmp
memory/3532-404-0x0000023467DC0000-0x0000023467DE0000-memory.dmp
memory/3660-80-0x0000000005750000-0x0000000005762000-memory.dmp
memory/3660-110-0x0000000005FB0000-0x0000000006016000-memory.dmp
memory/3660-81-0x00000000057B0000-0x00000000057EE000-memory.dmp
memory/3660-71-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3660-75-0x0000000005520000-0x00000000055B2000-memory.dmp
memory/3660-79-0x0000000005820000-0x000000000592A000-memory.dmp
memory/3660-82-0x0000000005930000-0x000000000597B000-memory.dmp
memory/3660-78-0x0000000006530000-0x0000000006B36000-memory.dmp
memory/3660-141-0x0000000073100000-0x00000000737EE000-memory.dmp
memory/3660-73-0x0000000005A20000-0x0000000005F1E000-memory.dmp
memory/3660-111-0x0000000006DA0000-0x0000000006DF0000-memory.dmp
memory/3660-112-0x0000000006FC0000-0x0000000007182000-memory.dmp
memory/3660-113-0x00000000076C0000-0x0000000007BEC000-memory.dmp
memory/3660-76-0x0000000002FA0000-0x0000000002FAA000-memory.dmp
memory/3660-77-0x0000000073100000-0x00000000737EE000-memory.dmp
memory/3860-1-0x0000000000C40000-0x0000000000D40000-memory.dmp
memory/3860-2-0x0000000000B60000-0x0000000000B6B000-memory.dmp
memory/3860-5-0x0000000000400000-0x0000000000AF5000-memory.dmp
memory/3860-3-0x0000000000400000-0x0000000000AF5000-memory.dmp
memory/3932-984-0x0000000002C20000-0x0000000002C6B000-memory.dmp
memory/3932-990-0x0000000002C20000-0x0000000002C6B000-memory.dmp
memory/3948-56-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-44-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-46-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-45-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-58-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-107-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-98-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-59-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-51-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-52-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4372-669-0x0000000000400000-0x0000000000ECD000-memory.dmp
memory/4556-136-0x00000000038F0000-0x00000000038F1000-memory.dmp
memory/4556-168-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-149-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-150-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-148-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-151-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-152-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-153-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-154-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-155-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-156-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-157-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-158-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-159-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-161-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-162-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-163-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-160-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-165-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-164-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-166-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-147-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-169-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-170-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-167-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-121-0x0000000001240000-0x0000000001F25000-memory.dmp
memory/4556-129-0x00000000011F0000-0x00000000011F1000-memory.dmp
memory/4556-131-0x0000000001200000-0x0000000001201000-memory.dmp
memory/4556-146-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-145-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-144-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-143-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-142-0x0000000004520000-0x0000000004620000-memory.dmp
memory/4556-140-0x0000000003900000-0x0000000003901000-memory.dmp
memory/4556-137-0x0000000001240000-0x0000000001F25000-memory.dmp
memory/4556-133-0x00000000038D0000-0x00000000038D1000-memory.dmp
memory/4556-135-0x00000000038E0000-0x00000000038E1000-memory.dmp
memory/4556-132-0x0000000001230000-0x0000000001231000-memory.dmp
memory/4664-291-0x0000000000410000-0x00000000004D5000-memory.dmp
memory/4664-286-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4664-282-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4712-41-0x0000000002650000-0x00000000026E8000-memory.dmp
memory/4936-22-0x0000000002800000-0x000000000291B000-memory.dmp
memory/4936-21-0x0000000002760000-0x0000000002800000-memory.dmp