modiloader | 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6

General

Target

0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe
Size

108KB
MD5

250406c2037eb71e5ea1208c217eca95
SHA1

62e71449917215f889cb619d44556c7c32358737
SHA256

0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6
SHA512

e635f7eb63fe2676208298a61aa5631cb86b7b6976eccc3db79f741a1809dabd6994866eb6e2a828909c6e9039aece352495fe4d6ebd1c2ff994b1f9b10c9d32
SSDEEP

3072:n1+MJKrUnFYY5z1i0Nmbi5fJBNBQsNSvv6kl6lGkout:tIrPj0NmWtN+sKeoS

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
behavioral1/memory/108-58-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/996-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/996-62-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

996 mstwain32.exe

pid	process
996	mstwain32.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/108-58-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral1/memory/996-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/996-62-0x0000000000400000-0x0000000000450000-memory.dmp	upx

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-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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:

0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.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 3 IoCs

Processes:

0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.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:

0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	108	0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe
Token: SeDebugPrivilege	996	mstwain32.exe
Token: SeDebugPrivilege	996	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe

pid process

108 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

996 mstwain32.exe
996 mstwain32.exe

pid	process
108	0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe

pid	process
996	mstwain32.exe
996	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe

description	pid	process	target process
PID 108 wrote to memory of 996	108	0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe	mstwain32.exe
PID 108 wrote to memory of 996	108	0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe	mstwain32.exe
PID 108 wrote to memory of 996	108	0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe	mstwain32.exe
PID 108 wrote to memory of 996	108	0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.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\0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe
"C:\Users\Admin\AppData\Local\Temp\0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:108

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:996

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\mstwain32.exe

Filesize
108KB

MD5
250406c2037eb71e5ea1208c217eca95

SHA1
62e71449917215f889cb619d44556c7c32358737

SHA256
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6

SHA512
e635f7eb63fe2676208298a61aa5631cb86b7b6976eccc3db79f741a1809dabd6994866eb6e2a828909c6e9039aece352495fe4d6ebd1c2ff994b1f9b10c9d32

Download Submit
memory/108-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/108-55-0x0000000074A61000-0x0000000074A63000-memory.dmp

Filesize
8KB

Download
memory/108-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/996-56-0x0000000000000000-mapping.dmp

Download
memory/996-60-0x0000000000610000-0x000000000061E000-memory.dmp

Filesize
56KB

Download
memory/996-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/996-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads