modiloader | b16d9faac880abde59ab95a2bfd7def78312cc406e26a0492d6f102b6d30d543

General

Target

a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe
Size

294KB
MD5

a374eb86f816a5dcd41291a2e4307457
SHA1

bf9c10c88f67ca22b98eaffb1803c82ec21d3ae5
SHA256

b16d9faac880abde59ab95a2bfd7def78312cc406e26a0492d6f102b6d30d543
SHA512

e7ef6b068c7ab7fd53a25fad716010d0b9e621a99874c729a67c92cd22ce40caa8c78ce9195b90f2e78a26b230b5e22402aeabcc746bd949738fa8cc1933b8e0
SSDEEP

6144:R+lJ61o/AyIB/wblBPWxCL5bnETdLcXM0kueOu9:IlL/AyIYPWxU5bETdLr0v49

Score

10^/10

modiloader discovery evasion 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 16 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012263-9.dat	modiloader_stage2
behavioral1/memory/2880-22-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-26-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-28-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-30-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-32-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-34-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-37-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-41-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-45-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-47-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-51-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/996-53-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2880	Exporer32.exe
996	mstwain32.exe

Loads dropped DLL 3 IoCs

pid	Process
1996	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe
1996	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe
2880	Exporer32.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	Exporer32.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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	Exporer32.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	Exporer32.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 3 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	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Exporer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	Exporer32.exe
Token: SeBackupPrivilege	2648	vssvc.exe
Token: SeRestorePrivilege	2648	vssvc.exe
Token: SeAuditPrivilege	2648	vssvc.exe
Token: SeDebugPrivilege	996	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1996	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe
1996	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2880	1996	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe	30
PID 1996 wrote to memory of 2880	1996	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe	30
PID 1996 wrote to memory of 2880	1996	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe	30
PID 1996 wrote to memory of 2880	1996	a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe	30
PID 2880 wrote to memory of 996	2880	Exporer32.exe	34
PID 2880 wrote to memory of 996	2880	Exporer32.exe	34
PID 2880 wrote to memory of 996	2880	Exporer32.exe	34
PID 2880 wrote to memory of 996	2880	Exporer32.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\a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a374eb86f816a5dcd41291a2e4307457_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\Exporer32.exe
  "C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - 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:2880
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - System policy modification
    PID:996

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

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:\Users\Admin\AppData\Local\Temp\Exporer32.exe

Filesize
270KB

MD5
a34bd80619de5fb8dd525e14061d948d

SHA1
59ab7be0f94523dae1e549a7e15da7b174f14ab8

SHA256
a8956efa9ca6b4a1a6226324527e1559a426b08b89fb323b36fa7fe2268c327f

SHA512
aadf361722a96800229ee30bff6b97607a3ff7c1d1ea9d27fb6e7e7df07a14e95791a95b082a8ec7198d546d786219f55b4a8f8ea14e36523c27b1893783f946

Download Submit
memory/996-32-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-26-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-27-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/996-28-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-30-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-34-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-37-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-41-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/996-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1996-12-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1996-0-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2880-22-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads