modiloader | f40772a9975494f57d5d8418c857289c7e9682d2a2b237b8af843cb9b084bafb

General

Target

b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
Size

248KB
MD5

b557eee5a111cbe1edf2d90c9981160c
SHA1

366329b6e8784744fc558c9db34b63c33fc86089
SHA256

f40772a9975494f57d5d8418c857289c7e9682d2a2b237b8af843cb9b084bafb
SHA512

ffe6cc52991d47ed8ac2f0d1d877a37fd497c4d20cfe50d7690483fde0368c141cabebfd1d32fa9c960124910dbb23966a1264feb3f586932e1332a94b94bbe0
SSDEEP

3072:m/RwtYgLDOJ9jUOqI5PF00ClUt37jEdjprc5Wf4L+8cGQi:yRwtYgK9jUOX5PFMlUtkd1rc5KYQ

Score

10^/10

modiloader discovery evasion persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
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 21 IoCs

resource	yara_rule
behavioral1/memory/2732-12-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2732-23-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-39-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-38-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-42-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-43-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-44-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-46-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-47-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-49-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-51-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-53-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-56-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-58-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-60-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-62-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-64-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-66-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-68-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-70-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2
behavioral1/memory/2272-72-0x0000000000400000-0x0000000000465000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1744	mstwain32.exe
2272	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-1-5-21-4177215427-74451935-3209572229-1000\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	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.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 2132 set thread context of 2732	2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	29
PID 1744 set thread context of 2272	1744	mstwain32.exe	34

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
Token: SeBackupPrivilege	2664	vssvc.exe
Token: SeRestorePrivilege	2664	vssvc.exe
Token: SeAuditPrivilege	2664	vssvc.exe
Token: SeDebugPrivilege	2272	mstwain32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
1744	mstwain32.exe
2272	mstwain32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2732	2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2732	2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2732	2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2732	2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2732	2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2732	2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	29
PID 2132 wrote to memory of 2732	2132	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	29
PID 2732 wrote to memory of 1744	2732	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	33
PID 2732 wrote to memory of 1744	2732	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	33
PID 2732 wrote to memory of 1744	2732	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	33
PID 2732 wrote to memory of 1744	2732	b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe	33
PID 1744 wrote to memory of 2272	1744	mstwain32.exe	34
PID 1744 wrote to memory of 2272	1744	mstwain32.exe	34
PID 1744 wrote to memory of 2272	1744	mstwain32.exe	34
PID 1744 wrote to memory of 2272	1744	mstwain32.exe	34
PID 1744 wrote to memory of 2272	1744	mstwain32.exe	34
PID 1744 wrote to memory of 2272	1744	mstwain32.exe	34
PID 1744 wrote to memory of 2272	1744	mstwain32.exe	34

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\b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\b557eee5a111cbe1edf2d90c9981160c_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1744
  - - 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
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:2272

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
248KB

MD5
b557eee5a111cbe1edf2d90c9981160c

SHA1
366329b6e8784744fc558c9db34b63c33fc86089

SHA256
f40772a9975494f57d5d8418c857289c7e9682d2a2b237b8af843cb9b084bafb

SHA512
ffe6cc52991d47ed8ac2f0d1d877a37fd497c4d20cfe50d7690483fde0368c141cabebfd1d32fa9c960124910dbb23966a1264feb3f586932e1332a94b94bbe0

Download Submit
memory/2272-60-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-68-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-72-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-70-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-46-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-66-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-64-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-39-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-38-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-42-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-43-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-47-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-62-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-45-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/2272-44-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-49-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-51-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-53-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-56-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2272-58-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2732-2-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2732-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-23-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2732-4-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2732-11-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2732-12-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2732-6-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads