modiloader | 9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4

General

Target

9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
Size

338KB
MD5

a668384ffe10949064e9060da0503ac4
SHA1

8623cb822bb49defd9de55d8e67d9770af58d83d
SHA256

9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4
SHA512

631ce8f38532a78e0fe9fcee42c04f743b96b466a513b1f8258c24f07971ec47f3a8c7ee3ad5a8ae4ba5653402f10e206de6a9d11ac67eb0ae20bb3af1184646
SSDEEP

6144:Bk0Ftv04ftxaaiM84VGrJ52Gm1O+zxM4AD7BltpxiHuYRf/:wmVsY5HO4ALpCdt

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 15 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1748-59-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-63-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-66-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-69-0x0000000000430464-mapping.dmp	modiloader_stage2
behavioral1/memory/1748-68-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-70-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-72-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/784-92-0x0000000000430464-mapping.dmp	modiloader_stage2
behavioral1/memory/784-97-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1748-98-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/784-99-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/784-101-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

1944 mstwain32.exe
784 mstwain32.exe

pid	process
1944	mstwain32.exe
784	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-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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:

9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.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

Suspicious use of SetThreadContext 2 IoCs

Processes:

9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exemstwain32.exe

description	pid	process	target process
PID 1652 set thread context of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1944 set thread context of 784	1944	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 5 IoCs

Processes:

mstwain32.exe9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exemstwain32.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	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
File opened for modification	C:\Windows\mstwain32.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
File opened for modification	C:\Windows\mstwain32.exe	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:

9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1748	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
Token: SeBackupPrivilege	972	vssvc.exe
Token: SeRestorePrivilege	972	vssvc.exe
Token: SeAuditPrivilege	972	vssvc.exe
Token: SeDebugPrivilege	784	mstwain32.exe
Token: SeDebugPrivilege	784	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exemstwain32.exemstwain32.exe

pid process

1652 9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
1944 mstwain32.exe
784 mstwain32.exe
784 mstwain32.exe

pid	process
1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
1944	mstwain32.exe
784	mstwain32.exe
784	mstwain32.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exemstwain32.exe

description	pid	process	target process
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1652 wrote to memory of 1748	1652	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
PID 1748 wrote to memory of 1944	1748	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	mstwain32.exe
PID 1748 wrote to memory of 1944	1748	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	mstwain32.exe
PID 1748 wrote to memory of 1944	1748	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	mstwain32.exe
PID 1748 wrote to memory of 1944	1748	9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.exe	mstwain32.exe
PID 1944 wrote to memory of 784	1944	mstwain32.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\9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
"C:\Users\Admin\AppData\Local\Temp\9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe
2⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\mstwain32.exe
\melt "C:\Users\Admin\AppData\Local\Temp\9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4.exe"
4⤵
- 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:784

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:972

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
338KB

MD5
a668384ffe10949064e9060da0503ac4

SHA1
8623cb822bb49defd9de55d8e67d9770af58d83d

SHA256
9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4

SHA512
631ce8f38532a78e0fe9fcee42c04f743b96b466a513b1f8258c24f07971ec47f3a8c7ee3ad5a8ae4ba5653402f10e206de6a9d11ac67eb0ae20bb3af1184646

Download Submit
C:\Windows\mstwain32.exe
Filesize
338KB

MD5
a668384ffe10949064e9060da0503ac4

SHA1
8623cb822bb49defd9de55d8e67d9770af58d83d

SHA256
9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4

SHA512
631ce8f38532a78e0fe9fcee42c04f743b96b466a513b1f8258c24f07971ec47f3a8c7ee3ad5a8ae4ba5653402f10e206de6a9d11ac67eb0ae20bb3af1184646

Download Submit
C:\Windows\mstwain32.exe
Filesize
338KB

MD5
a668384ffe10949064e9060da0503ac4

SHA1
8623cb822bb49defd9de55d8e67d9770af58d83d

SHA256
9f34b877171094d13cd2eb40c013b9cd48b4e90a2687699277ff1254f2902dd4

SHA512
631ce8f38532a78e0fe9fcee42c04f743b96b466a513b1f8258c24f07971ec47f3a8c7ee3ad5a8ae4ba5653402f10e206de6a9d11ac67eb0ae20bb3af1184646

Download Submit
memory/784-101-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/784-100-0x0000000000870000-0x000000000087E000-memory.dmp

Filesize
56KB

Download
memory/784-99-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/784-97-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/784-92-0x0000000000430464-mapping.dmp

Download
memory/1748-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-69-0x0000000000430464-mapping.dmp

Download
memory/1748-71-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1748-72-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-57-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-68-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-70-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-66-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-56-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-63-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-98-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1748-59-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1944-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads