modiloader | 08e2899d799d4b103ce73143d8d0cac5803d5a9bd8d75d35624de0a5278df15d

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 19:22

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General

Target

25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe
Size

1.6MB
MD5

25f7a060beeec7a5b952788465db3e8c
SHA1

616cb6087c9c11107a82d1cdd6d403c3c9cffd18
SHA256

08e2899d799d4b103ce73143d8d0cac5803d5a9bd8d75d35624de0a5278df15d
SHA512

af9d8834e181cd14a44f4a109d9036fa6d70953e0c987a478634c632783d1b63888116c846d3d25f9b087e7ea45a4ee3ecd5d69686a55bd630c85b3c00379301
SSDEEP

49152:0wmG94hUbREXnDKK7XxIx9P0FUhA6lpUKw:XFYUbeXnGK7X0TZw

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

Processes:

mstwain32.exe

description ioc process

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

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

ModiLoader Second Stage 23 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1276-2-0x0000000000401000-0x000000000041C000-memory.dmp	modiloader_stage2
behavioral1/memory/1276-11-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-17-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-20-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-21-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-22-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-23-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-26-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-27-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-28-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-31-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-32-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-35-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-38-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-42-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-45-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-48-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-51-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-54-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-57-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-60-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-63-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2
behavioral1/memory/2912-66-0x0000000000400000-0x00000000005D2000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

2912 mstwain32.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

2912 mstwain32.exe
Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe

pid	process
2912	mstwain32.exe

pid	process
2912	mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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

Processes:

25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	25f7a060beeec7a5b952788465db3e8c_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

Drops file in Windows directory 4 IoCs

Processes:

25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.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 6 IoCs

Processes:

25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1276	25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe
Token: SeBackupPrivilege	2644	vssvc.exe
Token: SeRestorePrivilege	2644	vssvc.exe
Token: SeAuditPrivilege	2644	vssvc.exe
Token: SeDebugPrivilege	2912	mstwain32.exe
Token: SeDebugPrivilege	2912	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

2912 mstwain32.exe
2912 mstwain32.exe

pid	process
2912	mstwain32.exe
2912	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe

description	pid	process	target process
PID 1276 wrote to memory of 2912	1276	25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe	mstwain32.exe
PID 1276 wrote to memory of 2912	1276	25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe	mstwain32.exe
PID 1276 wrote to memory of 2912	1276	25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe	mstwain32.exe
PID 1276 wrote to memory of 2912	1276	25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe	mstwain32.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

mstwain32.exe

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

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

C:\Users\Admin\AppData\Local\Temp\25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\25f7a060beeec7a5b952788465db3e8c_JaffaCakes118.exe"
2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2912

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2644

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Windows\mstwain32.exe
Filesize
1.6MB

MD5
25f7a060beeec7a5b952788465db3e8c

SHA1
616cb6087c9c11107a82d1cdd6d403c3c9cffd18

SHA256
08e2899d799d4b103ce73143d8d0cac5803d5a9bd8d75d35624de0a5278df15d

SHA512
af9d8834e181cd14a44f4a109d9036fa6d70953e0c987a478634c632783d1b63888116c846d3d25f9b087e7ea45a4ee3ecd5d69686a55bd630c85b3c00379301

Download Submit
memory/1276-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1276-1-0x0000000001FF0000-0x000000000215C000-memory.dmp

Filesize
1.4MB

Download
memory/1276-2-0x0000000000401000-0x000000000041C000-memory.dmp

Filesize
108KB

Download
memory/1276-11-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-23-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-31-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-17-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-20-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-18-0x00000000047C0000-0x00000000047CE000-memory.dmp

Filesize
56KB

Download
memory/2912-21-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-22-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-25-0x00000000047C0000-0x00000000047CE000-memory.dmp

Filesize
56KB

Download
memory/2912-24-0x0000000004640000-0x0000000004648000-memory.dmp

Filesize
32KB

Download
memory/2912-12-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-26-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-27-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-28-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-13-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-32-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-35-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-38-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-42-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-45-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-48-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-51-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-54-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-57-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-60-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-63-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download
memory/2912-66-0x0000000000400000-0x00000000005D2000-memory.dmp

Filesize
1.8MB

Download