modiloader | 8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf

Analysis

max time kernel
149s
max time network
83s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 15 IoCs

resource	yara_rule
behavioral1/memory/1740-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-66-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-68-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-69-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-71-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-74-0x0000000000430464-mapping.dmp	modiloader_stage2
behavioral1/memory/1740-75-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-78-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-79-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1740-84-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/776-104-0x0000000000430464-mapping.dmp	modiloader_stage2
behavioral1/memory/776-109-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/776-110-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/776-111-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1400	mstwain32.exe
776	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-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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 1336 set thread context of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1400 set thread context of 776	1400	mstwain32.exe	32

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
File opened for modification	C:\Windows\mstwain32.exe	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
File opened for modification	C:\Windows\mstwain32.exe	mstwain32.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.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	1740	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
Token: SeBackupPrivilege	812	vssvc.exe
Token: SeRestorePrivilege	812	vssvc.exe
Token: SeAuditPrivilege	812	vssvc.exe
Token: SeDebugPrivilege	776	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
1400	mstwain32.exe
1400	mstwain32.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1336 wrote to memory of 1740	1336	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	27
PID 1740 wrote to memory of 1400	1740	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	31
PID 1740 wrote to memory of 1400	1740	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	31
PID 1740 wrote to memory of 1400	1740	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	31
PID 1740 wrote to memory of 1400	1740	8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe	31
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32
PID 1400 wrote to memory of 776	1400	mstwain32.exe	32

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:1336
- C:\Users\Admin\AppData\Local\Temp\8d68747e827d72917ff2eea0224667ea7bfa1b14d0f6b77002eeb82f52bf2baf.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - 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:1400
  - - C:\Windows\mstwain32.exe
      4⤵
      UAC bypass
      Executes dropped EXE
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in Windows directory
      Suspicious use of AdjustPrivilegeToken
      System policy modification
      PID:776

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:812

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

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
memory/776-109-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/776-111-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/776-110-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1336-54-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1336-60-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1336-57-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1336-56-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1336-55-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1336-76-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1400-107-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1400-90-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1400-83-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1400-85-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1400-82-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1740-66-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-84-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-78-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-75-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-71-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-69-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-68-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-62-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1740-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads