modiloader | 7c696c593d4e51db51c0f78d9254a3600e34b2d241a2baa2760d0948c35f229b

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 13:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe
Size

342KB
MD5

1b86a00b02e6b2f3098421958a618190
SHA1

137011eb58378afa1e2b5feafe87086b46ad23b3
SHA256

7c696c593d4e51db51c0f78d9254a3600e34b2d241a2baa2760d0948c35f229b
SHA512

302a54fbcc4140ae77f393a574f6873b2bca4181afb2c6518743c7f70b4dac377cee65914bef35512ec6f61a7230a8312ab6667f7a818b9088b060bd4c7f3115
SSDEEP

6144:FG377xS2Vp2CeiorXhwTBU53M/4pcCJJvHqkoSQ:Ir7xS2Vp6FwTQbJJvHFoS

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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1804-0-0x0000000000400000-0x0000000000458000-memory.dmp	modiloader_stage2
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral1/memory/1624-11-0x0000000000400000-0x0000000000458000-memory.dmp	modiloader_stage2
behavioral1/memory/1804-10-0x0000000000400000-0x0000000000458000-memory.dmp	modiloader_stage2
behavioral1/memory/1624-22-0x0000000000400000-0x0000000000458000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

1624 mstwain32.exe

pid	process
1624	mstwain32.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1804-0-0x0000000000400000-0x0000000000458000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral1/memory/1624-11-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/1804-10-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral1/memory/1624-22-0x0000000000400000-0x0000000000458000-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-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\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:

1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1b86a00b02e6b2f3098421958a618190_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:

1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	1b86a00b02e6b2f3098421958a618190_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:

1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1804	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe
Token: SeBackupPrivilege	3004	vssvc.exe
Token: SeRestorePrivilege	3004	vssvc.exe
Token: SeAuditPrivilege	3004	vssvc.exe
Token: SeDebugPrivilege	1624	mstwain32.exe
Token: SeDebugPrivilege	1624	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1624 mstwain32.exe
1624 mstwain32.exe

pid	process
1624	mstwain32.exe
1624	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe

description	pid	process	target process
PID 1804 wrote to memory of 1624	1804	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe	mstwain32.exe
PID 1804 wrote to memory of 1624	1804	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe	mstwain32.exe
PID 1804 wrote to memory of 1624	1804	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe	mstwain32.exe
PID 1804 wrote to memory of 1624	1804	1b86a00b02e6b2f3098421958a618190_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\1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
2⤵
- 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:1624

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3004

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\mstwain32.exe
Filesize
342KB

MD5
1b86a00b02e6b2f3098421958a618190

SHA1
137011eb58378afa1e2b5feafe87086b46ad23b3

SHA256
7c696c593d4e51db51c0f78d9254a3600e34b2d241a2baa2760d0948c35f229b

SHA512
302a54fbcc4140ae77f393a574f6873b2bca4181afb2c6518743c7f70b4dac377cee65914bef35512ec6f61a7230a8312ab6667f7a818b9088b060bd4c7f3115

Download Submit
memory/1624-16-0x0000000001E00000-0x0000000001E0E000-memory.dmp

Filesize
56KB

Download
memory/1624-11-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1624-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1624-18-0x0000000076900000-0x0000000076901000-memory.dmp

Filesize
4KB

Download
memory/1624-19-0x00000000768F0000-0x00000000769E0000-memory.dmp

Filesize
960KB

Download
memory/1624-21-0x0000000001E00000-0x0000000001E0E000-memory.dmp

Filesize
56KB

Download
memory/1624-20-0x00000000002F0000-0x00000000002F8000-memory.dmp

Filesize
32KB

Download
memory/1624-22-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1624-25-0x00000000768F0000-0x00000000769E0000-memory.dmp

Filesize
960KB

Download
memory/1624-28-0x00000000768F0000-0x00000000769E0000-memory.dmp

Filesize
960KB

Download
memory/1804-1-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1804-10-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1804-0-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download