modiloader | 955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55

General

Target

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe
Size

108KB
MD5

54935b927972df9fbc9a8e880fb62fad
SHA1

695416fa4ed2c2152845280d80443e8eb8151005
SHA256

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55
SHA512

ca9541428c229cf8b7a67ef4158bcb7d694715e346f66f74f694105be79035d77a2fd9e8758284890235a4d8192e3c101b47f574872705dc5c76def4cd282e7d
SSDEEP

1536:5VuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk09+2oUZ7vunouy8:3oy8j7VnNdrPHaSekwi+mW+2NZ7Gout

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
behavioral1/memory/832-55-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/832-59-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1240-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1240-62-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

1240 mstwain32.exe

pid	process
1240	mstwain32.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/832-55-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral1/memory/832-59-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1240-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1240-62-0x0000000000400000-0x0000000000450000-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
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

mstwain32.exe955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.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	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe

Drops file in Windows directory 4 IoCs

Processes:

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe
File opened for modification	C:\Windows\mstwain32.exe	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.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:

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	832	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe
Token: SeDebugPrivilege	1240	mstwain32.exe
Token: SeDebugPrivilege	1240	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1240 mstwain32.exe
1240 mstwain32.exe

pid	process
1240	mstwain32.exe
1240	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe

description	pid	process	target process
PID 832 wrote to memory of 1240	832	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe	mstwain32.exe
PID 832 wrote to memory of 1240	832	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe	mstwain32.exe
PID 832 wrote to memory of 1240	832	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe	mstwain32.exe
PID 832 wrote to memory of 1240	832	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.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\955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe
"C:\Users\Admin\AppData\Local\Temp\955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:832

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:1240

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
108KB

MD5
54935b927972df9fbc9a8e880fb62fad

SHA1
695416fa4ed2c2152845280d80443e8eb8151005

SHA256
955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55

SHA512
ca9541428c229cf8b7a67ef4158bcb7d694715e346f66f74f694105be79035d77a2fd9e8758284890235a4d8192e3c101b47f574872705dc5c76def4cd282e7d

Download Submit
memory/832-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/832-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/832-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1240-56-0x0000000000000000-mapping.dmp

Download
memory/1240-60-0x0000000001DA0000-0x0000000001DAE000-memory.dmp

Filesize
56KB

Download
memory/1240-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1240-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads