modiloader | 8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf

Analysis

max time kernel
181s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 10:18

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General

Target

8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
Size

456KB
MD5

3515ad76d8276b16c4e98ad7516f857f
SHA1

4e49b4cd132032023b3b9a03126a3667c2327002
SHA256

8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf
SHA512

71c198536a009dd8d59973978e8a3cfff10963732aeaff8d3198b4228bb64bca9e4058e9c9ed438373ec4bb525d0e872c3e78dd85733575fbdddbf2bdeb0d3e8
SSDEEP

12288:vNF4I4tiifwdqLHCcBMuKlKB1WaKjjsAWfwb:vr4MLdqLH2XjaKHnWc

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 10 IoCs

resource	yara_rule
behavioral2/memory/2220-139-0x0000000000000000-mapping.dmp	modiloader_stage2
behavioral2/memory/2220-141-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2220-140-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2220-142-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2220-144-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2220-149-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4112-155-0x0000000000000000-mapping.dmp	modiloader_stage2
behavioral2/memory/4112-159-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4112-162-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4112-163-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
4020	mstwain32.exe
4112	mstwain32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe

Loads dropped DLL 1 IoCs

pid	Process
4112	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4020 set thread context of 4112	4020	mstwain32.exe	85

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	mstwain32.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
File opened for modification	C:\Windows\mstwain32.exe	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
Token: SeBackupPrivilege	2236	vssvc.exe
Token: SeRestorePrivilege	2236	vssvc.exe
Token: SeAuditPrivilege	2236	vssvc.exe
Token: SeDebugPrivilege	4112	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
4020	mstwain32.exe
4020	mstwain32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 4712 wrote to memory of 2220	4712	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	80
PID 2220 wrote to memory of 4020	2220	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	84
PID 2220 wrote to memory of 4020	2220	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	84
PID 2220 wrote to memory of 4020	2220	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	84
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85
PID 4020 wrote to memory of 4112	4020	mstwain32.exe	85

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
"C:\Users\Admin\AppData\Local\Temp\8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Users\Admin\AppData\Local\Temp\8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
  2⤵
  - Checks computer location settings
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4020
  - - C:\Windows\mstwain32.exe
      4⤵
      UAC bypass
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in Windows directory
      Suspicious use of AdjustPrivilegeToken
      System policy modification
      PID:4112

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\mstwain32.exe

Filesize
456KB

MD5
3515ad76d8276b16c4e98ad7516f857f

SHA1
4e49b4cd132032023b3b9a03126a3667c2327002

SHA256
8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf

SHA512
71c198536a009dd8d59973978e8a3cfff10963732aeaff8d3198b4228bb64bca9e4058e9c9ed438373ec4bb525d0e872c3e78dd85733575fbdddbf2bdeb0d3e8

Download Submit
C:\Windows\mstwain32.exe

Filesize
456KB

MD5
3515ad76d8276b16c4e98ad7516f857f

SHA1
4e49b4cd132032023b3b9a03126a3667c2327002

SHA256
8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf

SHA512
71c198536a009dd8d59973978e8a3cfff10963732aeaff8d3198b4228bb64bca9e4058e9c9ed438373ec4bb525d0e872c3e78dd85733575fbdddbf2bdeb0d3e8

Download Submit
C:\Windows\mstwain32.exe

Filesize
456KB

MD5
3515ad76d8276b16c4e98ad7516f857f

SHA1
4e49b4cd132032023b3b9a03126a3667c2327002

SHA256
8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf

SHA512
71c198536a009dd8d59973978e8a3cfff10963732aeaff8d3198b4228bb64bca9e4058e9c9ed438373ec4bb525d0e872c3e78dd85733575fbdddbf2bdeb0d3e8

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
40KB

MD5
3f689ab34ba20ffbc647f3c4ce7c9c92

SHA1
0275be6c5d43a4916f4b6b2b4aa06398e193206f

SHA256
003eb1ba56dc99c6a6d4e8f35233edcee64aa8001ac5f7289369cae2325ff019

SHA512
5336b3d410c21746a81a67c1b0da791d5592d4dc42fe559bc9b12a89b6bc6aef04b385a1566e55a7599c2489741ee7b0953f9cb0b3b5b9a9feb006678e2bdbce

Download Submit
memory/2220-141-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2220-144-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2220-140-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2220-149-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2220-142-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4020-148-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4020-160-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4020-150-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4020-151-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4020-154-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4112-159-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4112-163-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4112-162-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4712-143-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4712-135-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4712-132-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4712-133-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4712-134-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4712-138-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads