modiloader | 182a21303b5c619026d7a43586a3ef09836c3a3e8e6f7876aca91393e13f1b66

Analysis

max time kernel
147s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 11:33

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General

Target

1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
Size

596KB
MD5

1b22530f1e642b9c23dfe12fa5ddd639
SHA1

470924416bfa051b3320e09f2cd48dfc4d24cb81
SHA256

182a21303b5c619026d7a43586a3ef09836c3a3e8e6f7876aca91393e13f1b66
SHA512

4addd6964a0e8c5409ce2b54c0c653e0e632d22ed3e5d212054089549bd920bc1fa9b64a90275e80a03fe82b47202fb815c25ab983d584eb0998d6c2519c4fd1
SSDEEP

12288:DBMmKGnhDT+JlCraEFmgOimT1uxp62KW8CcCzyU56RZv+tFLwaR:9MmnDC+rPnzmEv8W8CcQy2U1wLwU

Score

10^/10

modiloader evasion persistence trojan upx

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 24 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1028-10-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-14-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-12-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-7-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-18-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-5-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-19-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-20-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-21-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1028-31-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-49-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/3064-42-0x0000000002E00000-0x0000000002EC9000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-53-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-54-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-60-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-61-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-64-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-67-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-70-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-73-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-77-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-80-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-83-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-86-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

3064 mstwain32.exe
2024 mstwain32.exe

pid	process
3064	mstwain32.exe
2024	mstwain32.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2332-0-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2332-17-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral1/memory/1028-28-0x0000000004EC0000-0x0000000004F89000-memory.dmp	upx
behavioral1/memory/3064-33-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/3064-52-0x0000000000400000-0x00000000004C9000-memory.dmp	upx

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

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:

1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1b22530f1e642b9c23dfe12fa5ddd639_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

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/2332-17-0x0000000000400000-0x00000000004C9000-memory.dmp	autoit_exe
behavioral1/memory/3064-33-0x0000000000400000-0x00000000004C9000-memory.dmp	autoit_exe
behavioral1/memory/3064-52-0x0000000000400000-0x00000000004C9000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

mstwain32.exe

description pid process target process

PID 3064 set thread context of 2024 3064 mstwain32.exe mstwain32.exe

description	pid	process	target process
PID 3064 set thread context of 2024	3064	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	1b22530f1e642b9c23dfe12fa5ddd639_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:

1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1028	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
Token: SeBackupPrivilege	2632	vssvc.exe
Token: SeRestorePrivilege	2632	vssvc.exe
Token: SeAuditPrivilege	2632	vssvc.exe
Token: SeDebugPrivilege	2024	mstwain32.exe
Token: SeDebugPrivilege	2024	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

2024 mstwain32.exe
2024 mstwain32.exe

pid	process
2024	mstwain32.exe
2024	mstwain32.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exemstwain32.exe

description	pid	process	target process
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 2332 wrote to memory of 1028	2332	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 1028 wrote to memory of 3064	1028	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	mstwain32.exe
PID 1028 wrote to memory of 3064	1028	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	mstwain32.exe
PID 1028 wrote to memory of 3064	1028	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	mstwain32.exe
PID 1028 wrote to memory of 3064	1028	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.exe	mstwain32.exe
PID 3064 wrote to memory of 2024	3064	mstwain32.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\1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2332

C:\Users\Admin\AppData\Local\Temp\1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe"
2⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3064

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
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2024

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2632

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Windows\mstwain32.exe
Filesize
596KB

MD5
1b22530f1e642b9c23dfe12fa5ddd639

SHA1
470924416bfa051b3320e09f2cd48dfc4d24cb81

SHA256
182a21303b5c619026d7a43586a3ef09836c3a3e8e6f7876aca91393e13f1b66

SHA512
4addd6964a0e8c5409ce2b54c0c653e0e632d22ed3e5d212054089549bd920bc1fa9b64a90275e80a03fe82b47202fb815c25ab983d584eb0998d6c2519c4fd1

Download Submit
memory/1028-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-28-0x0000000004EC0000-0x0000000004F89000-memory.dmp

Filesize
804KB

Download
memory/1028-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-31-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-19-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-20-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1028-26-0x00000000004C0000-0x00000000004D0000-memory.dmp

Filesize
64KB

Download
memory/2024-63-0x0000000000A00000-0x0000000000A0E000-memory.dmp

Filesize
56KB

Download
memory/2024-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-86-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-83-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-80-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-49-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-77-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-53-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-58-0x0000000000A00000-0x0000000000A0E000-memory.dmp

Filesize
56KB

Download
memory/2024-54-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-73-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-62-0x00000000001D0000-0x00000000001D8000-memory.dmp

Filesize
32KB

Download
memory/2024-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2024-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2332-9-0x0000000002780000-0x0000000002849000-memory.dmp

Filesize
804KB

Download
memory/2332-0-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2332-17-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3064-42-0x0000000002E00000-0x0000000002EC9000-memory.dmp

Filesize
804KB

Download
memory/3064-52-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3064-33-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download