modiloader | 1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd

General

Target

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe
Size

270KB
MD5

62a98c82798619c729369e146fba0b20
SHA1

b9158824706e041e05323f188b93e402fad2a71e
SHA256

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd
SHA512

2014944257d7bbf380197fa62517f6899c233755aaa19c38b170575637a737c96d96ceeaff44b525928834caa5f6326d646a6fb1d7791e0c619032b20274308b
SSDEEP

6144:rG377xS2Vp2CeiorXdwTBgWx4v53qpcCJJvHZ:ar7xS2Vp6RwTyCXbJJvHZ

Score

10^/10

modiloader evasion persistence trojan

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 1 IoCs

Processes:

resource	yara_rule
C:\Windows\mstwain32.exe	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

1564 mstwain32.exe
Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

1564 mstwain32.exe

pid	process
1564	mstwain32.exe

pid	process
1564	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-1-5-21-2292972927-2705560509-2768824231-1000\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:

mstwain32.exe1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.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	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe

Drops file in Windows directory 4 IoCs

Processes:

mstwain32.exe1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe

description	ioc	process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe
File opened for modification	C:\Windows\mstwain32.exe	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.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:

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1608	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe
Token: SeBackupPrivilege	960	vssvc.exe
Token: SeRestorePrivilege	960	vssvc.exe
Token: SeAuditPrivilege	960	vssvc.exe
Token: SeDebugPrivilege	1564	mstwain32.exe
Token: SeDebugPrivilege	1564	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1564 mstwain32.exe
1564 mstwain32.exe

pid	process
1564	mstwain32.exe
1564	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe

description	pid	process	target process
PID 1608 wrote to memory of 1564	1608	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe	mstwain32.exe
PID 1608 wrote to memory of 1564	1608	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe	mstwain32.exe
PID 1608 wrote to memory of 1564	1608	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe	mstwain32.exe
PID 1608 wrote to memory of 1564	1608	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.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\1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe
"C:\Users\Admin\AppData\Local\Temp\1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.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:1564

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:960

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1089

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\mstwain32.exe
Filesize
270KB

MD5
62a98c82798619c729369e146fba0b20

SHA1
b9158824706e041e05323f188b93e402fad2a71e

SHA256
1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd

SHA512
2014944257d7bbf380197fa62517f6899c233755aaa19c38b170575637a737c96d96ceeaff44b525928834caa5f6326d646a6fb1d7791e0c619032b20274308b

Download Submit
memory/1564-55-0x0000000000000000-mapping.dmp

Download
memory/1564-58-0x00000000025D0000-0x00000000025DE000-memory.dmp

Filesize
56KB

Download
memory/1608-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads