modiloader | 04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c

General

Target

04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe
Size

116KB
MD5

ef17d21ad9cdab3c972b9e925b1ceb33
SHA1

46358cea22fefaa33bd27a004b2e7903cbbf6190
SHA256

04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c
SHA512

33d3eecf88f984c5689ee1c33bb412089c81c4a52df81ad6d8038bd0533f370354bf55b0dc89eb8c8fdd0916a070d97612c2eb75901ecf7f44fb21f4bbb7f83c
SSDEEP

3072:CKjMubeiPfNEtjiJCxGGd/6Gh2CQeBnXvQfoyEaG:CKjbeZhJGGxh2nGXvQAxaG

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
T1088

Disabling Security Tools
T1089

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 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1524-134-0x0000000000400000-0x000000000046D3E0-memory.dmp	modiloader_stage2
behavioral2/memory/1524-135-0x0000000000400000-0x000000000046D3E0-memory.dmp	modiloader_stage2
behavioral2/memory/1524-139-0x0000000000400000-0x000000000046D3E0-memory.dmp	modiloader_stage2
behavioral2/memory/3880-143-0x0000000000400000-0x000000000046D3E0-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

3880 mstwain32.exe

pid	process
3880	mstwain32.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1524-132-0x0000000000400000-0x000000000046D3E0-memory.dmp	upx
behavioral2/memory/1524-133-0x0000000000400000-0x000000000046D3E0-memory.dmp	upx
behavioral2/memory/1524-134-0x0000000000400000-0x000000000046D3E0-memory.dmp	upx
behavioral2/memory/1524-135-0x0000000000400000-0x000000000046D3E0-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/1524-139-0x0000000000400000-0x000000000046D3E0-memory.dmp	upx
behavioral2/memory/3880-140-0x0000000000400000-0x000000000046D3E0-memory.dmp	upx
behavioral2/memory/3880-143-0x0000000000400000-0x000000000046D3E0-memory.dmp	upx

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:

04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

3880 mstwain32.exe
3880 mstwain32.exe
3880 mstwain32.exe
3880 mstwain32.exe

pid	process
3880	mstwain32.exe
3880	mstwain32.exe
3880	mstwain32.exe
3880	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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.exe04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.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	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe

Drops file in Windows directory 4 IoCs

Processes:

04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe
File opened for modification	C:\Windows\mstwain32.exe	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.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). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1524	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe
Token: SeDebugPrivilege	3880	mstwain32.exe
Token: SeDebugPrivilege	3880	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe

pid process

1524 04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

3880 mstwain32.exe
3880 mstwain32.exe

pid	process
1524	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe

pid	process
3880	mstwain32.exe
3880	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe

description	pid	process	target process
PID 1524 wrote to memory of 3880	1524	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe	mstwain32.exe
PID 1524 wrote to memory of 3880	1524	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe	mstwain32.exe
PID 1524 wrote to memory of 3880	1524	04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.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

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe
"C:\Users\Admin\AppData\Local\Temp\04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c.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:3880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\cmsetac.dll
Filesize
32KB

MD5
80f15183b73e6cb5df2bce89e4c52bdc

SHA1
4304292813c70081a56a0afb20e6f655043eab7d

SHA256
6b0b6fda3e2f9db0b4d6cb01f2c3b6501c1ac00e59a38e1e9584a8a37296782b

SHA512
da893c33fabf2e8d8414e6afe7adcb36930110dd84ec28bf1f312131917c095c19fba20df1acd2265f9aa30a389675b9ffb7daf23beaadbf6de548839730ba93

Download Submit
C:\Windows\cmsetac.dll
Filesize
32KB

MD5
80f15183b73e6cb5df2bce89e4c52bdc

SHA1
4304292813c70081a56a0afb20e6f655043eab7d

SHA256
6b0b6fda3e2f9db0b4d6cb01f2c3b6501c1ac00e59a38e1e9584a8a37296782b

SHA512
da893c33fabf2e8d8414e6afe7adcb36930110dd84ec28bf1f312131917c095c19fba20df1acd2265f9aa30a389675b9ffb7daf23beaadbf6de548839730ba93

Download Submit
C:\Windows\mstwain32.exe
Filesize
116KB

MD5
ef17d21ad9cdab3c972b9e925b1ceb33

SHA1
46358cea22fefaa33bd27a004b2e7903cbbf6190

SHA256
04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c

SHA512
33d3eecf88f984c5689ee1c33bb412089c81c4a52df81ad6d8038bd0533f370354bf55b0dc89eb8c8fdd0916a070d97612c2eb75901ecf7f44fb21f4bbb7f83c

Download Submit
C:\Windows\mstwain32.exe
Filesize
116KB

MD5
ef17d21ad9cdab3c972b9e925b1ceb33

SHA1
46358cea22fefaa33bd27a004b2e7903cbbf6190

SHA256
04778872ebfe19afd240d9242b58e7b6236c199d7edf3c21c974e40998ae0f1c

SHA512
33d3eecf88f984c5689ee1c33bb412089c81c4a52df81ad6d8038bd0533f370354bf55b0dc89eb8c8fdd0916a070d97612c2eb75901ecf7f44fb21f4bbb7f83c

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1524-135-0x0000000000400000-0x000000000046D3E0-memory.dmp

Filesize
436KB

Download
memory/1524-139-0x0000000000400000-0x000000000046D3E0-memory.dmp

Filesize
436KB

Download
memory/1524-132-0x0000000000400000-0x000000000046D3E0-memory.dmp

Filesize
436KB

Download
memory/1524-134-0x0000000000400000-0x000000000046D3E0-memory.dmp

Filesize
436KB

Download
memory/1524-133-0x0000000000400000-0x000000000046D3E0-memory.dmp

Filesize
436KB

Download
memory/3880-136-0x0000000000000000-mapping.dmp

Download
memory/3880-140-0x0000000000400000-0x000000000046D3E0-memory.dmp

Filesize
436KB

Download
memory/3880-143-0x0000000000400000-0x000000000046D3E0-memory.dmp

Filesize
436KB

Download
memory/3880-146-0x0000000002400000-0x000000000240E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads