modiloader | 97a612d3c4a095e20f2bcea30a62793ca6fe4397b8676aceb8efbcbb13e717e7

General

Target

b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe
Size

224KB
MD5

b251001041fe1c5c47ee953942dcf662
SHA1

223ac182c32c524768d18152f86fe47dc0c1e4d7
SHA256

97a612d3c4a095e20f2bcea30a62793ca6fe4397b8676aceb8efbcbb13e717e7
SHA512

a9a8507e8a1ce1866b8e65a6f8e91b870d9d09d14b5b820513e8e66adebeff4363138d2779eb465fe3ccc19917270794efd33e6db90f71cb0c705d2a2b625e0a
SSDEEP

6144:NJiRgUAEzgVVSr9S1OT4PFvILEDEM8mIQQ4z2:NiRMA9RTKFsED51PC

Score

10^/10

modiloader defense_evasion discovery persistence trojan

Malware Config

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\System32\\userinit.exe,\"C:\\Users\\Admin\\Favorites\\netservice.exe\"un userinit.exe"	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe

ModiLoader Second Stage 8 IoCs

resource	yara_rule
behavioral1/memory/2500-10-0x0000000013140000-0x00000000131BA000-memory.dmp	modiloader_stage2
behavioral1/memory/2328-15-0x0000000000420000-0x0000000000488000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-16-0x0000000013140000-0x00000000131BA000-memory.dmp	modiloader_stage2
behavioral1/files/0x00070000000186de-13.dat	modiloader_stage2
behavioral1/memory/2328-17-0x0000000000420000-0x0000000000488000-memory.dmp	modiloader_stage2
behavioral1/memory/2328-19-0x0000000000420000-0x0000000000488000-memory.dmp	modiloader_stage2
behavioral1/memory/2328-21-0x0000000000420000-0x0000000000488000-memory.dmp	modiloader_stage2
behavioral1/memory/2328-23-0x0000000000420000-0x0000000000488000-memory.dmp	modiloader_stage2

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\netrt\Parameters\ServiceDll = "C:\\Windows\\System32\\sysn.dll"	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2652	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2500	netservice.exe

Loads dropped DLL 3 IoCs

pid	Process
1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe
1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe
2328	svchost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sysn.dll	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\sysn.dll	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.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 5 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	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2500	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	30
PID 1940 wrote to memory of 2500	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	30
PID 1940 wrote to memory of 2500	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	30
PID 1940 wrote to memory of 2500	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	30
PID 1940 wrote to memory of 2012	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2012	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2012	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2012	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	31
PID 1940 wrote to memory of 2652	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	34
PID 1940 wrote to memory of 2652	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	34
PID 1940 wrote to memory of 2652	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	34
PID 1940 wrote to memory of 2652	1940	b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\Favorites\netservice.exe
  C:\Users\Admin\Favorites\netservice.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2012
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\b251001041fe1c5c47ee953942dcf662_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2652

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k network
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Information Discovery

1

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\SysWOW64\sysn.dll

Filesize
393KB

MD5
51ce9d0ba81719576e8db8d9a692322a

SHA1
a7dbaa43df003658beb71560a0be63494ba29777

SHA256
0927ba82f435fcd4f15256092f5f4e730ef713e01c904dbc9b36e4ef6ec92422

SHA512
4bd15ba0b19a85f6dac1014704648d67e55176572bfa71c12d91e7771b68a53ef2e8b4a4c662ed86d7fc900891ecce3125d5fd15dd3cc2f9786d570579228cfc

Download Submit
\Users\Admin\Favorites\netservice.exe

Filesize
224KB

MD5
b251001041fe1c5c47ee953942dcf662

SHA1
223ac182c32c524768d18152f86fe47dc0c1e4d7

SHA256
97a612d3c4a095e20f2bcea30a62793ca6fe4397b8676aceb8efbcbb13e717e7

SHA512
a9a8507e8a1ce1866b8e65a6f8e91b870d9d09d14b5b820513e8e66adebeff4363138d2779eb465fe3ccc19917270794efd33e6db90f71cb0c705d2a2b625e0a

Download Submit
memory/1940-16-0x0000000013140000-0x00000000131BA000-memory.dmp

Filesize
488KB

Download
memory/2328-15-0x0000000000420000-0x0000000000488000-memory.dmp

Filesize
416KB

Download
memory/2328-17-0x0000000000420000-0x0000000000488000-memory.dmp

Filesize
416KB

Download
memory/2328-19-0x0000000000420000-0x0000000000488000-memory.dmp

Filesize
416KB

Download
memory/2328-21-0x0000000000420000-0x0000000000488000-memory.dmp

Filesize
416KB

Download
memory/2328-23-0x0000000000420000-0x0000000000488000-memory.dmp

Filesize
416KB

Download
memory/2500-10-0x0000000013140000-0x00000000131BA000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads