modiloader | 5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67

General

Target

5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe
Size

113KB
MD5

6515f9a1692340d8e9e3a1e1e1c82c68
SHA1

d13c2611dce6407bcf688915ee67017e5dbc11f3
SHA256

5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67
SHA512

9b4ceb1ac32b45c28b7da3896ac0d702fd718d140572fb95be2826d945fede0cafa98ac2ebfe18092b4911da1f247f9bb2c38eb3cfec8d106d8422f256c9711e
SSDEEP

3072:soy8j7VnNdrPHaSekwi+mW+2AU1P1out:c8jZ7rvaU3+mWr51toS

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

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

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral1/memory/1112-56-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1112-60-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/828-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/828-63-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
828	mstwain32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1112-55-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1112-56-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/files/0x00060000000055d8-58.dat	upx
behavioral1/memory/1112-60-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/828-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/828-63-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
828	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.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

description	ioc	Process
File created	C:\Windows\mstwain32.exe	5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe
File opened for modification	C:\Windows\mstwain32.exe	5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.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 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe
Token: SeBackupPrivilege	1124	vssvc.exe
Token: SeRestorePrivilege	1124	vssvc.exe
Token: SeAuditPrivilege	1124	vssvc.exe
Token: SeDebugPrivilege	828	mstwain32.exe
Token: SeDebugPrivilege	828	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
828	mstwain32.exe
828	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 828	1112	5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe	29
PID 1112 wrote to memory of 828	1112	5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe	29
PID 1112 wrote to memory of 828	1112	5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe	29
PID 1112 wrote to memory of 828	1112	5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe	29

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe
"C:\Users\Admin\AppData\Local\Temp\5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Deletes itself
  - 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:828

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1124

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

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Downloads

C:\Windows\mstwain32.exe

Filesize
113KB

MD5
6515f9a1692340d8e9e3a1e1e1c82c68

SHA1
d13c2611dce6407bcf688915ee67017e5dbc11f3

SHA256
5c6478e63e8695d26c2081e8e87908cb64150372b255a0130d2cbfc15832cf67

SHA512
9b4ceb1ac32b45c28b7da3896ac0d702fd718d140572fb95be2826d945fede0cafa98ac2ebfe18092b4911da1f247f9bb2c38eb3cfec8d106d8422f256c9711e

Download Submit
memory/828-57-0x0000000000000000-mapping.dmp

Download
memory/828-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/828-62-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/828-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1112-54-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/1112-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1112-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1112-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads