Analysis
- max time kernel
150s - max time network
137s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
22/01/2024, 04:28
General
- Target toolspub1.exe
- Size 215KB
- Sample240122-e3netsgfg3
- SHA256 75bcc7144c36d2931b31364db4d3b3fc44b1ad803790ea1077f228efc715bb6d
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
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smokeloader
-
2022
-
http://trad-einmyus.com/index.php
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http://tradein-myus.com/index.php
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http://trade-inmyus.com/index.php
Extracted
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djvu
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http://habrafa.com/test1/get.php
-
extension
.cdpo
-
offline_id
Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1
-
payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.com/files/1/build3.exe
-
ransomnote
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Extracted
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amadey
-
4.17
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http://185.196.10.34
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install_dir
eff1401c19
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install_file
Dctooux.exe
-
strings_key
6e23b5eadc27bb0b2eaebdd4fed1beb2
-
url_paths
/b8sdjsdkS/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Vidar Stealer 5 IoCs
- Detect ZGRat V1 1 IoCs
- Detected Djvu ransomware 14 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Modifies Installed Components in the registry 2 TTPs 1 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 17 IoCs
- Loads dropped DLL 13 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 1 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 7 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 9 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies registry class 5 IoCs
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 14 IoCs
- Suspicious use of FindShellTrayWindow 31 IoCs
- Suspicious use of SendNotifyMessage 20 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
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C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\AEE5.exeC:\Users\Admin\AppData\Local\Temp\AEE5.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\C44A.exeC:\Users\Admin\AppData\Local\Temp\C44A.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\C44A.exeC:\Users\Admin\AppData\Local\Temp\C44A.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\61574a32-ec3c-4e9c-afd0-8e475e69a7b0" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\C44A.exe"C:\Users\Admin\AppData\Local\Temp\C44A.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\C44A.exe"C:\Users\Admin\AppData\Local\Temp\C44A.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\8538855a-c056-4b3c-ac80-f90432b46919\build2.exe"C:\Users\Admin\AppData\Local\8538855a-c056-4b3c-ac80-f90432b46919\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\8538855a-c056-4b3c-ac80-f90432b46919\build2.exe"C:\Users\Admin\AppData\Local\8538855a-c056-4b3c-ac80-f90432b46919\build2.exe"6⤵
- Executes dropped EXE
- Modifies system certificate store
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 14407⤵
- Loads dropped DLL
- Program crash
-
-
-
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C:\Users\Admin\AppData\Local\8538855a-c056-4b3c-ac80-f90432b46919\build3.exe"C:\Users\Admin\AppData\Local\8538855a-c056-4b3c-ac80-f90432b46919\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\8538855a-c056-4b3c-ac80-f90432b46919\build3.exe"C:\Users\Admin\AppData\Local\8538855a-c056-4b3c-ac80-f90432b46919\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⤵
- Creates scheduled task(s)
-
-
-
-
-
-
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C:\Users\Admin\AppData\Local\Temp\E275.exeC:\Users\Admin\AppData\Local\Temp\E275.exe1⤵
- Executes dropped EXE
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C:\Windows\system32\taskeng.exetaskeng.exe {3E88A82C-6D79-4671-A2DF-994D980A93D8} S-1-5-21-452311807-3713411997-1028535425-1000:OZEMQECW\Admin:Interactive:[1]1⤵
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe3⤵
- 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"4⤵
- Creates scheduled task(s)
-
-
-
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe3⤵
- Executes dropped EXE
-
-
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C:\Users\Admin\AppData\Roaming\drbddehC:\Users\Admin\AppData\Roaming\drbddeh2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
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C:\Users\Admin\AppData\Local\Temp\51AA.exeC:\Users\Admin\AppData\Local\Temp\51AA.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\51AA.exeC:\Users\Admin\AppData\Local\Temp\51AA.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
-
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
Loading Replay Monitor...
Downloads
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
F0ACCF77CDCBFF39F6191887F6D2D357
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
94308059B57B3142E455B38A6EB92015
94308059B57B3142E455B38A6EB92015
94308059B57B3142E455B38A6EB92015
94308059B57B3142E455B38A6EB92015
CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
F0ACCF77CDCBFF39F6191887F6D2D357
C44A.exe
build3.exe
51AA.exe
AEE5.exe
C44A.exe
CabD51A.tmp
E275.exe
E275.exe
TarEA6F.tmp
build2.exe
build3.exe
memory/808-384-0x0000000002000000-0x00000000020C8000-memory.dmp
memory/808-375-0x00000000002C0000-0x0000000000386000-memory.dmp
memory/808-385-0x00000000020D0000-0x000000000219A000-memory.dmp
memory/808-383-0x00000000049E0000-0x0000000004A20000-memory.dmp
memory/808-1323-0x0000000000540000-0x0000000000541000-memory.dmp
memory/808-1325-0x0000000004930000-0x000000000497C000-memory.dmp
memory/808-1324-0x0000000001F20000-0x0000000001F80000-memory.dmp
memory/808-1344-0x0000000072E80000-0x000000007356E000-memory.dmp
memory/808-376-0x0000000072E80000-0x000000007356E000-memory.dmp
memory/840-5-0x0000000000400000-0x000000000043B000-memory.dmp
memory/840-1-0x0000000000520000-0x0000000000620000-memory.dmp
memory/840-3-0x0000000000400000-0x000000000043B000-memory.dmp
memory/840-2-0x0000000000230000-0x000000000023B000-memory.dmp
memory/904-1321-0x0000000000250000-0x0000000000350000-memory.dmp
memory/904-290-0x0000000000250000-0x0000000000350000-memory.dmp
memory/1168-65-0x00000000004D0000-0x0000000000562000-memory.dmp
memory/1168-64-0x00000000004D0000-0x0000000000562000-memory.dmp
memory/1204-20-0x0000000003AB0000-0x0000000003AC6000-memory.dmp
memory/1204-4-0x00000000029F0000-0x0000000002A06000-memory.dmp
memory/1204-377-0x0000000002240000-0x0000000002241000-memory.dmp
memory/1324-72-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1324-93-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1324-121-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1324-73-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1324-86-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1324-87-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1324-91-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1324-205-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1324-94-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2156-270-0x00000000001C0000-0x00000000001C4000-memory.dmp
memory/2156-268-0x00000000002F0000-0x00000000003F0000-memory.dmp
memory/2336-18-0x0000000000550000-0x0000000000650000-memory.dmp
memory/2336-19-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2336-21-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2436-1348-0x0000000000470000-0x0000000000471000-memory.dmp
memory/2436-1346-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2436-1352-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2584-271-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2584-267-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2584-274-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2584-275-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2680-1376-0x0000000000930000-0x0000000000A30000-memory.dmp
memory/2736-37-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2736-40-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2736-41-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2736-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2736-62-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2792-1373-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2792-1374-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2792-1389-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2860-113-0x00000000002F0000-0x000000000031B000-memory.dmp
memory/2860-112-0x00000000004D0000-0x00000000005D0000-memory.dmp
memory/2880-31-0x0000000001BF0000-0x0000000001C82000-memory.dmp
memory/2880-30-0x0000000001BF0000-0x0000000001C82000-memory.dmp
memory/2880-32-0x0000000001CE0000-0x0000000001DFB000-memory.dmp
memory/2928-128-0x0000000000090000-0x0000000000091000-memory.dmp
memory/2928-129-0x00000000000C0000-0x0000000000974000-memory.dmp
memory/2928-123-0x0000000000090000-0x0000000000091000-memory.dmp
memory/2928-126-0x00000000000C0000-0x0000000000974000-memory.dmp
memory/2928-125-0x0000000000090000-0x0000000000091000-memory.dmp
memory/2928-136-0x00000000000C0000-0x0000000000974000-memory.dmp
memory/2928-130-0x00000000774A0000-0x00000000774A1000-memory.dmp
memory/2952-1358-0x0000000004150000-0x0000000004151000-memory.dmp
memory/2952-1322-0x0000000004150000-0x0000000004151000-memory.dmp
memory/2992-117-0x0000000000400000-0x000000000063F000-memory.dmp
memory/2992-280-0x0000000000400000-0x000000000063F000-memory.dmp
memory/2992-115-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2992-120-0x0000000000400000-0x000000000063F000-memory.dmp
memory/2992-122-0x0000000000400000-0x000000000063F000-memory.dmp