modiloader | 6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9

General

Target

6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe
Size

108KB
MD5

1dcdfb076cc95f904a32a7de45a75596
SHA1

f20358e601c20d0aa4a512f3932c9db86b631951
SHA256

6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9
SHA512

e169ae9901aec37c73a2282bf8bf6ae6a3c3970ed5fecda61c56f055f41e13a2585b1b3936b33971ab3d8a8a1f3946d247e0be38cbf0422b3ac3e07834341781
SSDEEP

3072:roy8j7VnNdrPHaSekwi+mW+2h/6qoout:r8jZ7rvaU3+mWrhiVoS

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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/476-136-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/444-142-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/444-143-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

444 mstwain32.exe

pid	process
444	mstwain32.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/476-132-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/476-136-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/444-142-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/444-143-0x0000000000400000-0x0000000000450000-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:

6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

444 mstwain32.exe
444 mstwain32.exe
444 mstwain32.exe
444 mstwain32.exe

pid	process
444	mstwain32.exe
444	mstwain32.exe
444	mstwain32.exe
444	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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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:

6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.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:

mstwain32.exe6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe

description	ioc	process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe
File opened for modification	C:\Windows\mstwain32.exe	6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe
File created	C:\Windows\ntdtcstp.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 6 IoCs

Processes:

6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	476	6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe
Token: SeBackupPrivilege	3196	vssvc.exe
Token: SeRestorePrivilege	3196	vssvc.exe
Token: SeAuditPrivilege	3196	vssvc.exe
Token: SeDebugPrivilege	444	mstwain32.exe
Token: SeDebugPrivilege	444	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

444 mstwain32.exe
444 mstwain32.exe

pid	process
444	mstwain32.exe
444	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe

description	pid	process	target process
PID 476 wrote to memory of 444	476	6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe	mstwain32.exe
PID 476 wrote to memory of 444	476	6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe	mstwain32.exe
PID 476 wrote to memory of 444	476	6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.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\6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.exe
"C:\Users\Admin\AppData\Local\Temp\6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.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:476

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9.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:444

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3196

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

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
b738b6271dad28065fce7b6ffb785c84

SHA1
c146a8e17eec4db4da63c0c21648ea2b6252ce69

SHA256
aa55947fef1812fbd9ca9a29b40f6a541447f244eee1c1b9cdab665cbea91887

SHA512
73bd3499801e91797227a819b346dc4566bbe28225af6623db9b6c82c7636d4760d81eb98c33f0e628a85f07c8e98cee07b595044041d4151c7f7c21d6befdd2

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
b738b6271dad28065fce7b6ffb785c84

SHA1
c146a8e17eec4db4da63c0c21648ea2b6252ce69

SHA256
aa55947fef1812fbd9ca9a29b40f6a541447f244eee1c1b9cdab665cbea91887

SHA512
73bd3499801e91797227a819b346dc4566bbe28225af6623db9b6c82c7636d4760d81eb98c33f0e628a85f07c8e98cee07b595044041d4151c7f7c21d6befdd2

Download Submit
C:\Windows\mstwain32.exe

Filesize
108KB

MD5
1dcdfb076cc95f904a32a7de45a75596

SHA1
f20358e601c20d0aa4a512f3932c9db86b631951

SHA256
6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9

SHA512
e169ae9901aec37c73a2282bf8bf6ae6a3c3970ed5fecda61c56f055f41e13a2585b1b3936b33971ab3d8a8a1f3946d247e0be38cbf0422b3ac3e07834341781

Download Submit
C:\Windows\mstwain32.exe

Filesize
108KB

MD5
1dcdfb076cc95f904a32a7de45a75596

SHA1
f20358e601c20d0aa4a512f3932c9db86b631951

SHA256
6c51e2689c1c4dd4f2237eb0935f05af18c91582994ae8592c51992b9c68bee9

SHA512
e169ae9901aec37c73a2282bf8bf6ae6a3c3970ed5fecda61c56f055f41e13a2585b1b3936b33971ab3d8a8a1f3946d247e0be38cbf0422b3ac3e07834341781

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/444-133-0x0000000000000000-mapping.dmp

Download
memory/444-141-0x0000000002300000-0x000000000230E000-memory.dmp

Filesize
56KB

Download
memory/444-142-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/444-143-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/476-132-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/476-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads