modiloader | 182a21303b5c619026d7a43586a3ef09836c3a3e8e6f7876aca91393e13f1b66

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 23 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4900-2-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4900-1-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4900-3-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4900-6-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4900-7-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4900-20-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-26-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-27-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-39-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-40-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-43-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-46-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-49-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-52-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-55-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-58-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-61-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-64-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-67-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-70-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-73-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-76-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1160-79-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

3428 mstwain32.exe
1160 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

1160 mstwain32.exe
1160 mstwain32.exe
1160 mstwain32.exe
1160 mstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe

pid	process
3428	mstwain32.exe
1160	mstwain32.exe

pid	process
1160	mstwain32.exe
1160	mstwain32.exe
1160	mstwain32.exe
1160	mstwain32.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4836-0-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/4836-5-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/3428-25-0x0000000000400000-0x00000000004C9000-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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 2 IoCs
AutoIT scripts compiled to PE executables.

Processes:

resource yara_rule

behavioral2/memory/4836-5-0x0000000000400000-0x00000000004C9000-memory.dmp autoit_exe
behavioral2/memory/3428-25-0x0000000000400000-0x00000000004C9000-memory.dmp autoit_exe

resource	yara_rule
behavioral2/memory/4836-5-0x0000000000400000-0x00000000004C9000-memory.dmp	autoit_exe
behavioral2/memory/3428-25-0x0000000000400000-0x00000000004C9000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exemstwain32.exe

description	pid	process	target process
PID 4836 set thread context of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 3428 set thread context of 1160	3428	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

mstwain32.exe1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
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

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	4900	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
Token: SeBackupPrivilege	4140	vssvc.exe
Token: SeRestorePrivilege	4140	vssvc.exe
Token: SeAuditPrivilege	4140	vssvc.exe
Token: SeDebugPrivilege	1160	mstwain32.exe
Token: SeDebugPrivilege	1160	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1160 mstwain32.exe
1160 mstwain32.exe

pid	process
1160	mstwain32.exe
1160	mstwain32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exemstwain32.exe

description	pid	process	target process
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4836 wrote to memory of 4900	4836	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
PID 4900 wrote to memory of 3428	4900	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	mstwain32.exe
PID 4900 wrote to memory of 3428	4900	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	mstwain32.exe
PID 4900 wrote to memory of 3428	4900	1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	mstwain32.exe	mstwain32.exe
PID 3428 wrote to memory of 1160	3428	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 SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4836

C:\Users\Admin\AppData\Local\Temp\1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1b22530f1e642b9c23dfe12fa5ddd639_JaffaCakes118.exe"
2⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4900

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:3428

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
4⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- 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:1160

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4140

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
de62c3f15d1638433d6039d9a1a89b1c

SHA1
8f5dc1e5e102ac81664b0da675c5e7b1a03f27dc

SHA256
11e6c6927dd5d62615d05e0dc879eb6ae1e1a0ecdad9ab823024c32fb6cc7c78

SHA512
37201daef8fa174d72d67f25474b5c2d7e6770d1549e5c28f58b156c4ad78cc9b8c8307c5f2d51b757b0f0f4026044c54640c9d5a4ae042dd66644a764bc24fe

Download Submit
C:\Windows\mstwain32.exe
Filesize
596KB

MD5
1b22530f1e642b9c23dfe12fa5ddd639

SHA1
470924416bfa051b3320e09f2cd48dfc4d24cb81

SHA256
182a21303b5c619026d7a43586a3ef09836c3a3e8e6f7876aca91393e13f1b66

SHA512
4addd6964a0e8c5409ce2b54c0c653e0e632d22ed3e5d212054089549bd920bc1fa9b64a90275e80a03fe82b47202fb815c25ab983d584eb0998d6c2519c4fd1

Download Submit
C:\Windows\ntdtcstp.dll
Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1160-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-42-0x0000000003510000-0x000000000351E000-memory.dmp

Filesize
56KB

Download
memory/1160-79-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-41-0x00000000009A0000-0x00000000009A8000-memory.dmp

Filesize
32KB

Download
memory/1160-76-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-26-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-73-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-27-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-39-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-37-0x0000000003510000-0x000000000351E000-memory.dmp

Filesize
56KB

Download
memory/1160-46-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-49-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1160-52-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3428-25-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4836-0-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4836-5-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4900-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4900-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4900-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4900-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4900-20-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4900-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download