modiloader | 4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656

General

Target

4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
Size

358KB
MD5

d1d8c40ab5af2c9d748c339ee5408699
SHA1

f76ae01fc608ed1522c17a2aff4d88d915d043d8
SHA256

4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656
SHA512

38252ed9af5414fc2132ef66499b52ab7e4486bef4f21306e446f9286bafc45f2a669d4b42300d753c477fb87ae8b501abe3cc357b844e3b2cafbbcce8c8856c
SSDEEP

6144:Dn2qpYJwbPS0lYvs2JZVCoroBJVNmvuP52dpo7Ck0XIhvD82bCgiLK4D6:qqp26S0OHZVCoUYRpX7XIIxLS

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
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:

svchost.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions svchost.exe

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

ModiLoader Second Stage 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2028-59-0x0000000000400000-0x0000000000441000-memory.dmp	modiloader_stage2
behavioral1/memory/2028-60-0x0000000000400000-0x0000000000441000-memory.dmp	modiloader_stage2
behavioral1/memory/2028-61-0x0000000000400000-0x0000000000441000-memory.dmp	modiloader_stage2
behavioral1/memory/2028-64-0x0000000000400000-0x0000000000441000-memory.dmp	modiloader_stage2
behavioral1/memory/2028-63-0x00000000011CAADE-mapping.dmp	modiloader_stage2
behavioral1/memory/2028-66-0x0000000000400000-0x0000000000441000-memory.dmp	modiloader_stage2
behavioral1/memory/2028-67-0x0000000000400000-0x0000000000441000-memory.dmp	modiloader_stage2
behavioral1/memory/884-71-0x0000000000110000-0x00000000001F8000-memory.dmp	modiloader_stage2
behavioral1/memory/1496-75-0x00000000000C0000-0x00000000001A8000-memory.dmp	modiloader_stage2
behavioral1/memory/884-76-0x0000000000110000-0x00000000001F8000-memory.dmp	modiloader_stage2
behavioral1/memory/1496-77-0x00000000000C0000-0x00000000001A8000-memory.dmp	modiloader_stage2
behavioral1/memory/1648-82-0x0000000000080000-0x0000000000168000-memory.dmp	modiloader_stage2
behavioral1/memory/1648-83-0x0000000000080000-0x0000000000168000-memory.dmp	modiloader_stage2
behavioral1/memory/616-87-0x0000000000190000-0x0000000000278000-memory.dmp	modiloader_stage2
behavioral1/memory/616-89-0x0000000000190000-0x0000000000278000-memory.dmp	modiloader_stage2
behavioral1/memory/616-91-0x0000000000190000-0x0000000000278000-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:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\rehuh = "\"C:\\Users\\Admin\\AppData\\Local\\rehuh\\rehuh.exe\""	svchost.exe

Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

svchost.exe

description ioc process

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

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	svchost.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:

svchost.exe

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

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

884 svchost.exe

pid	process
884	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\rehuh = "\"C:\\Users\\Admin\\AppData\\Local\\rehuh\\rehuh.exe\""	svchost.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:

svchost.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe

description	pid	process	target process
PID 832 set thread context of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe

Modifies Internet Explorer settings 1 TTPs 11 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\International	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION\explorer.exe = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_AJAX_CONNECTIONEVENTS	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\svchost.exe = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\explorer.exe = "0"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION\svchost.exe = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_AJAX_CONNECTIONEVENTS\svchost.exe = "1"	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exesvchost.exe

pid	process
2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exesvchost.exe

pid	process
2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe
884	svchost.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exesvchost.exe

description	pid	process	target process
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 832 wrote to memory of 2028	832	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
PID 2028 wrote to memory of 884	2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	svchost.exe
PID 2028 wrote to memory of 884	2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	svchost.exe
PID 2028 wrote to memory of 884	2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	svchost.exe
PID 2028 wrote to memory of 884	2028	4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe	svchost.exe
PID 884 wrote to memory of 1496	884	svchost.exe	svchost.exe
PID 884 wrote to memory of 1496	884	svchost.exe	svchost.exe
PID 884 wrote to memory of 1496	884	svchost.exe	svchost.exe
PID 884 wrote to memory of 1496	884	svchost.exe	svchost.exe
PID 884 wrote to memory of 1648	884	svchost.exe	explorer.exe
PID 884 wrote to memory of 1648	884	svchost.exe	explorer.exe
PID 884 wrote to memory of 1648	884	svchost.exe	explorer.exe
PID 884 wrote to memory of 1648	884	svchost.exe	explorer.exe
PID 884 wrote to memory of 616	884	svchost.exe	svchost.exe
PID 884 wrote to memory of 616	884	svchost.exe	svchost.exe
PID 884 wrote to memory of 616	884	svchost.exe	svchost.exe
PID 884 wrote to memory of 616	884	svchost.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
"C:\Users\Admin\AppData\Local\Temp\4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:832

C:\Users\Admin\AppData\Local\Temp\4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe
"C:\Users\Admin\AppData\Local\Temp\4f3c4de34c44664c787c419d68710161f45b579e7d07936eee9406475cfc2656.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\svchost.exe
"svchost.exe"
3⤵
- Looks for VirtualBox Guest Additions in registry
- 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:884

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
4⤵
PID:1496

C:\Windows\SysWOW64\explorer.exe
"explorer.exe"
4⤵
PID:1648

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
4⤵
PID:616

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

2

T1497

Modify Registry

3

T1112

Credential Access

Discovery

Software Discovery

1

T1518

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1

T1490

Replay Monitor

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Downloads

memory/616-86-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/616-84-0x0000000000000000-mapping.dmp

Download
memory/616-91-0x0000000000190000-0x0000000000278000-memory.dmp

Filesize
928KB

Download
memory/616-90-0x00000000002E0000-0x0000000000306000-memory.dmp

Filesize
152KB

Download
memory/616-89-0x0000000000190000-0x0000000000278000-memory.dmp

Filesize
928KB

Download
memory/616-88-0x00000000002E0000-0x0000000000306000-memory.dmp

Filesize
152KB

Download
memory/616-87-0x0000000000190000-0x0000000000278000-memory.dmp

Filesize
928KB

Download
memory/616-92-0x00000000002E0000-0x0000000000306000-memory.dmp

Filesize
152KB

Download
memory/832-65-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/832-55-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/832-54-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download
memory/884-76-0x0000000000110000-0x00000000001F8000-memory.dmp

Filesize
928KB

Download
memory/884-68-0x0000000000000000-mapping.dmp

Download
memory/884-69-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/884-71-0x0000000000110000-0x00000000001F8000-memory.dmp

Filesize
928KB

Download
memory/1496-72-0x0000000000000000-mapping.dmp

Download
memory/1496-74-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/1496-75-0x00000000000C0000-0x00000000001A8000-memory.dmp

Filesize
928KB

Download
memory/1496-77-0x00000000000C0000-0x00000000001A8000-memory.dmp

Filesize
928KB

Download
memory/1648-83-0x0000000000080000-0x0000000000168000-memory.dmp

Filesize
928KB

Download
memory/1648-78-0x0000000000000000-mapping.dmp

Download
memory/1648-80-0x0000000074541000-0x0000000074543000-memory.dmp

Filesize
8KB

Download
memory/1648-81-0x00000000004A0000-0x0000000000721000-memory.dmp

Filesize
2.5MB

Download
memory/1648-82-0x0000000000080000-0x0000000000168000-memory.dmp

Filesize
928KB

Download
memory/2028-67-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2028-66-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2028-63-0x00000000011CAADE-mapping.dmp

Download
memory/2028-64-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2028-61-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2028-60-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2028-59-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2028-57-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2028-56-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads