modiloader | 743bb9794b32da4ddc94592b29de422d87ce7dfa6b8a5f53211ccb2a5a7c85e4

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 01:08

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General

Target

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
Size

430KB
MD5

183b2d21a367daca14c36503837cbaac
SHA1

fd01a9c72d6e993a75be8413dc76ef65a1e0f2f2
SHA256

743bb9794b32da4ddc94592b29de422d87ce7dfa6b8a5f53211ccb2a5a7c85e4
SHA512

a4a8cff5a3530bc2aaf1202826276ffc5b427a1fb8edb7d5cf45504fb61c1a28f84912492fee0907e5f635119121a2075eb81107109a85e33c6e3a5b1d4adcff
SSDEEP

6144:MDqDCiyD3n1DUa5AkxA+2qtnhSEvwJ2wjlgchTO6791CYx2jWS6wwpJcWyU:MDLD31DUS5VvwblgCp1CoS6ziu

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 24 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4100-3-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-4-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-5-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-8-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-21-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-29-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-31-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-34-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-44-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-45-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-48-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-51-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-54-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-57-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-60-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-63-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-66-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-69-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-72-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-75-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-78-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-81-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2608-84-0x0000000000400000-0x000000000044B000-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:

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation 183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

1876 mstwain32.exe
2608 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

2608 mstwain32.exe
2608 mstwain32.exe
2608 mstwain32.exe
2608 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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe

pid	process
1876	mstwain32.exe
2608	mstwain32.exe

pid	process
2608	mstwain32.exe
2608	mstwain32.exe
2608	mstwain32.exe
2608	mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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:

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	183b2d21a367daca14c36503837cbaac_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

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	mstwain32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exemstwain32.exe

description	pid	process	target process
PID 3952 set thread context of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 1876 set thread context of 2608	1876	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	183b2d21a367daca14c36503837cbaac_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:

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	4100	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
Token: SeBackupPrivilege	4220	vssvc.exe
Token: SeRestorePrivilege	4220	vssvc.exe
Token: SeAuditPrivilege	4220	vssvc.exe
Token: SeDebugPrivilege	2608	mstwain32.exe
Token: SeDebugPrivilege	2608	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exemstwain32.exemstwain32.exe

pid process

3952 183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
1876 mstwain32.exe
2608 mstwain32.exe
2608 mstwain32.exe

pid	process
3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
1876	mstwain32.exe
2608	mstwain32.exe
2608	mstwain32.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe183b2d21a367daca14c36503837cbaac_JaffaCakes118.exemstwain32.exe

description	pid	process	target process
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 3952 wrote to memory of 4100	3952	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
PID 4100 wrote to memory of 1876	4100	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	mstwain32.exe
PID 4100 wrote to memory of 1876	4100	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	mstwain32.exe
PID 4100 wrote to memory of 1876	4100	183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	mstwain32.exe	mstwain32.exe
PID 1876 wrote to memory of 2608	1876	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\183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3952

C:\Users\Admin\AppData\Local\Temp\183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\183b2d21a367daca14c36503837cbaac_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:4100

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\183b2d21a367daca14c36503837cbaac_JaffaCakes118.exe"
3⤵
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1876

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:2608

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4220

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
5f3fe62c7def43151d40f89ade109086

SHA1
09f459ae80729e45f725d8cb6de78512e14da901

SHA256
1ae2bc10e21f36f522208ffb37e6c1051d2de454c44b8745a3d9103ce8c73c1a

SHA512
7c2c55f394e82c04b36374c4c7e8b42e60b17f122592d3345c56b58ceeb44e62fa6ed6e2cc3df5519c4753b7224e1edf415ccc237c7b5c2f85e7bc9e2da66123

Download Submit
C:\Windows\mstwain32.exe
Filesize
430KB

MD5
183b2d21a367daca14c36503837cbaac

SHA1
fd01a9c72d6e993a75be8413dc76ef65a1e0f2f2

SHA256
743bb9794b32da4ddc94592b29de422d87ce7dfa6b8a5f53211ccb2a5a7c85e4

SHA512
a4a8cff5a3530bc2aaf1202826276ffc5b427a1fb8edb7d5cf45504fb61c1a28f84912492fee0907e5f635119121a2075eb81107109a85e33c6e3a5b1d4adcff

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1876-30-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1876-22-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2608-57-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-46-0x0000000000870000-0x0000000000878000-memory.dmp

Filesize
32KB

Download
memory/2608-84-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-81-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-78-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-29-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-75-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-31-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-34-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-72-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-69-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-42-0x00000000023A0000-0x00000000023AE000-memory.dmp

Filesize
56KB

Download
memory/2608-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-47-0x00000000023A0000-0x00000000023AE000-memory.dmp

Filesize
56KB

Download
memory/2608-66-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-63-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2608-60-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3952-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3952-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4100-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4100-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4100-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4100-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4100-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4100-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download