modiloader | efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0

General

Target

efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe
Size

1.3MB
MD5

3a607f12626540f50e70211dbfbfa247
SHA1

d62e187f2a8c6ecbc54c3897d6e855492872893d
SHA256

efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0
SHA512

df294e73f7c695ce0566803d65ad8389f79cba7f2cf56adc348e5bd5922c162efd9b4f51924644a3ce7169cb7a9d4fbb35edae20056b612d4a707444c64c328a

Score

10^/10

modiloader evasion persistence themida 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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/964-56-0x0000000000400000-0x00000000006A0000-memory.dmp	modiloader_stage2
behavioral1/memory/964-57-0x0000000000400000-0x00000000006A0000-memory.dmp	modiloader_stage2
behavioral1/memory/964-61-0x0000000000400000-0x00000000006A0000-memory.dmp	modiloader_stage2
behavioral1/memory/564-62-0x0000000000400000-0x00000000006A0000-memory.dmp	modiloader_stage2
behavioral1/memory/564-64-0x0000000000400000-0x00000000006A0000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

564 mstwain32.exe

pid	process
564	mstwain32.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/964-56-0x0000000000400000-0x00000000006A0000-memory.dmp	themida
behavioral1/memory/964-57-0x0000000000400000-0x00000000006A0000-memory.dmp	themida
C:\Windows\mstwain32.exe	themida
behavioral1/memory/964-61-0x0000000000400000-0x00000000006A0000-memory.dmp	themida
behavioral1/memory/564-62-0x0000000000400000-0x00000000006A0000-memory.dmp	themida
behavioral1/memory/564-64-0x0000000000400000-0x00000000006A0000-memory.dmp	themida

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-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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:

efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.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.exeefc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe

description	ioc	process
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe
File opened for modification	C:\Windows\mstwain32.exe	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exemstwain32.exe

pid process

964 efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe
564 mstwain32.exe

pid	process
964	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe
564	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	964	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe
Token: SeDebugPrivilege	564	mstwain32.exe
Token: SeDebugPrivilege	564	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

564 mstwain32.exe
564 mstwain32.exe

pid	process
564	mstwain32.exe
564	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe

description	pid	process	target process
PID 964 wrote to memory of 564	964	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe	mstwain32.exe
PID 964 wrote to memory of 564	964	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe	mstwain32.exe
PID 964 wrote to memory of 564	964	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe	mstwain32.exe
PID 964 wrote to memory of 564	964	efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.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\efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe
"C:\Users\Admin\AppData\Local\Temp\efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:564

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
1.3MB

MD5
3a607f12626540f50e70211dbfbfa247

SHA1
d62e187f2a8c6ecbc54c3897d6e855492872893d

SHA256
efc010b18cf26c400372502d0664fdf9f067decbdefe284fd62bde3491c574e0

SHA512
df294e73f7c695ce0566803d65ad8389f79cba7f2cf56adc348e5bd5922c162efd9b4f51924644a3ce7169cb7a9d4fbb35edae20056b612d4a707444c64c328a

Download Submit
memory/564-58-0x0000000000000000-mapping.dmp

Download
memory/564-62-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/564-63-0x00000000049A0000-0x00000000049AE000-memory.dmp

Filesize
56KB

Download
memory/564-64-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/964-54-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/964-55-0x0000000001F70000-0x0000000002052000-memory.dmp

Filesize
904KB

Download
memory/964-56-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/964-57-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/964-61-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads