modiloader | a5befd9e316873b0121473bb8456ba3979331f1337636d781d2d4e15efadc9e3

Analysis

max time kernel
149s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-01-2024 15:47

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General

Target

56dde7f80911ca81a8f9dd4871fc9539.exe
Size

2.1MB
MD5

56dde7f80911ca81a8f9dd4871fc9539
SHA1

a9cdc4891a64e67f54609021a4fad9f41764d3f8
SHA256

a5befd9e316873b0121473bb8456ba3979331f1337636d781d2d4e15efadc9e3
SHA512

980eca2f59755478825325d40011476d1815ebe261be5337592c0f9aa384a3f1a1161b7f0b7ac8818c77455a1b1bf5195fd459af41373cd0e3bf9d47821b7fbf
SSDEEP

49152:cjR01i7zWYNcQRKg62Jjrn7VxWWhzSenZncQLVxft5DEuq:cjv+KTKg5jj7thzSenZBZxnD4

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

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

ModiLoader Second Stage 28 IoCs

resource	yara_rule
behavioral1/memory/2652-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-11-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-9-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-15-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-13-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-20-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-19-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-21-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-22-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-23-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-34-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-59-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-62-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-65-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-66-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-68-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-69-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-71-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-72-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-74-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-75-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-76-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-77-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-78-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2184-79-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1972	mstwain32.exe
2184	mstwain32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\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	56dde7f80911ca81a8f9dd4871fc9539.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 1976 set thread context of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1972 set thread context of 2184	1972	mstwain32.exe	33

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	56dde7f80911ca81a8f9dd4871fc9539.exe
File opened for modification	C:\Windows\mstwain32.exe	56dde7f80911ca81a8f9dd4871fc9539.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	56dde7f80911ca81a8f9dd4871fc9539.exe
Token: SeBackupPrivilege	2300	vssvc.exe
Token: SeRestorePrivilege	2300	vssvc.exe
Token: SeAuditPrivilege	2300	vssvc.exe
Token: SeDebugPrivilege	2184	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1976	56dde7f80911ca81a8f9dd4871fc9539.exe
1972	mstwain32.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 1976 wrote to memory of 2652	1976	56dde7f80911ca81a8f9dd4871fc9539.exe	28
PID 2652 wrote to memory of 1972	2652	56dde7f80911ca81a8f9dd4871fc9539.exe	32
PID 2652 wrote to memory of 1972	2652	56dde7f80911ca81a8f9dd4871fc9539.exe	32
PID 2652 wrote to memory of 1972	2652	56dde7f80911ca81a8f9dd4871fc9539.exe	32
PID 2652 wrote to memory of 1972	2652	56dde7f80911ca81a8f9dd4871fc9539.exe	32
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33
PID 1972 wrote to memory of 2184	1972	mstwain32.exe	33

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

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\56dde7f80911ca81a8f9dd4871fc9539.exe
"C:\Users\Admin\AppData\Local\Temp\56dde7f80911ca81a8f9dd4871fc9539.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\56dde7f80911ca81a8f9dd4871fc9539.exe
  C:\Users\Admin\AppData\Local\Temp\56dde7f80911ca81a8f9dd4871fc9539.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1972
  - - C:\Windows\mstwain32.exe
      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:2184

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
2.1MB

MD5
56dde7f80911ca81a8f9dd4871fc9539

SHA1
a9cdc4891a64e67f54609021a4fad9f41764d3f8

SHA256
a5befd9e316873b0121473bb8456ba3979331f1337636d781d2d4e15efadc9e3

SHA512
980eca2f59755478825325d40011476d1815ebe261be5337592c0f9aa384a3f1a1161b7f0b7ac8818c77455a1b1bf5195fd459af41373cd0e3bf9d47821b7fbf

Download Submit
memory/1976-0-0x0000000000400000-0x0000000000617000-memory.dmp

Filesize
2.1MB

Download
memory/2184-68-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-74-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-62-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-78-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-77-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-76-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-63-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2184-75-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-65-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-72-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-71-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-64-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2184-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-59-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-69-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-66-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-34-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-20-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-9-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-23-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-22-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-19-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-13-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-15-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2652-11-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads