modiloader | 7c696c593d4e51db51c0f78d9254a3600e34b2d241a2baa2760d0948c35f229b

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 13:45

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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
behavioral2/memory/2392-0-0x0000000000400000-0x0000000000458000-memory.dmp	modiloader_stage2
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral2/memory/1580-12-0x0000000000400000-0x0000000000458000-memory.dmp	modiloader_stage2
behavioral2/memory/2392-11-0x0000000000400000-0x0000000000458000-memory.dmp	modiloader_stage2
behavioral2/memory/1580-30-0x0000000000400000-0x0000000000458000-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:

1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation 1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

1580 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

1580 mstwain32.exe
1580 mstwain32.exe
1580 mstwain32.exe
1580 mstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe

pid	process
1580	mstwain32.exe

pid	process
1580	mstwain32.exe
1580	mstwain32.exe
1580	mstwain32.exe
1580	mstwain32.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2392-0-0x0000000000400000-0x0000000000458000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/1580-12-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral2/memory/2392-11-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral2/memory/1580-30-0x0000000000400000-0x0000000000458000-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-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\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:

mstwain32.exe1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe

description	ioc	process
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
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.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	2392	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe
Token: SeBackupPrivilege	3116	vssvc.exe
Token: SeRestorePrivilege	3116	vssvc.exe
Token: SeAuditPrivilege	3116	vssvc.exe
Token: SeDebugPrivilege	1580	mstwain32.exe
Token: SeDebugPrivilege	1580	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1580 mstwain32.exe
1580 mstwain32.exe

pid	process
1580	mstwain32.exe
1580	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe

description	pid	process	target process
PID 2392 wrote to memory of 1580	2392	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe	mstwain32.exe
PID 2392 wrote to memory of 1580	2392	1b86a00b02e6b2f3098421958a618190_JaffaCakes118.exe	mstwain32.exe
PID 2392 wrote to memory of 1580	2392	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 computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
2⤵
- 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:1580

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3116

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
a2fb39ac527e9e91de996d21c0f50e28

SHA1
85f5b022e0e87569e77be62cfd1ab0f337307429

SHA256
6c6503f487c3da61597e438604c2f33912d42556c3d008e01a498d2543b03f86

SHA512
ab0f8e1fecc39643276b116ea1f5d84e8b3b4a1c9e661ba88d50f271f3333623153f09f66ef27a7327cce2b3a92dfaed59e5fdc5bc0e6d69f9fdc5b514057f5b

Download Submit
C:\Windows\mstwain32.exe
Filesize
342KB

MD5
1b86a00b02e6b2f3098421958a618190

SHA1
137011eb58378afa1e2b5feafe87086b46ad23b3

SHA256
7c696c593d4e51db51c0f78d9254a3600e34b2d241a2baa2760d0948c35f229b

SHA512
302a54fbcc4140ae77f393a574f6873b2bca4181afb2c6518743c7f70b4dac377cee65914bef35512ec6f61a7230a8312ab6667f7a818b9088b060bd4c7f3115

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1580-24-0x00000000028F0000-0x00000000028FE000-memory.dmp

Filesize
56KB

Download
memory/1580-12-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1580-20-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/1580-27-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/1580-28-0x0000000000640000-0x0000000000648000-memory.dmp

Filesize
32KB

Download
memory/1580-29-0x00000000028F0000-0x00000000028FE000-memory.dmp

Filesize
56KB

Download
memory/1580-30-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2392-11-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2392-0-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2392-1-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download