modiloader | 07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47

General

Target

07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe
Size

109KB
MD5

6712a164800ea420ce5769d7627aae95
SHA1

fae25cb260605e187672148d168264ebde55635a
SHA256

07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47
SHA512

66bf2733281c4ce00d029d0ff1612275a78f81cf476da645cf8eda13ec99809ef15513ab5759666eafac486468b2e1a20d7dd60132703425dcc65701d6132ce1
SSDEEP

3072:c1+MJKrUnFYY5z1i0Nmbi5fJBNobRnmPQout:MIrPj0NmWtNob1QQoS

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/996-56-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/996-59-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/548-62-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/548-63-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

548 mstwain32.exe

pid	process
548	mstwain32.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/996-56-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/996-59-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral1/memory/548-62-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/548-63-0x0000000000400000-0x0000000000450000-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
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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:

07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.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 3 IoCs

Processes:

07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.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:

07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	996	07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe
Token: SeDebugPrivilege	548	mstwain32.exe
Token: SeDebugPrivilege	548	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe

pid process

996 07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

548 mstwain32.exe
548 mstwain32.exe

pid	process
996	07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe

pid	process
548	mstwain32.exe
548	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe

description	pid	process	target process
PID 996 wrote to memory of 548	996	07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe	mstwain32.exe
PID 996 wrote to memory of 548	996	07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe	mstwain32.exe
PID 996 wrote to memory of 548	996	07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe	mstwain32.exe
PID 996 wrote to memory of 548	996	07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.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\07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe
"C:\Users\Admin\AppData\Local\Temp\07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:996

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:548

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
109KB

MD5
6712a164800ea420ce5769d7627aae95

SHA1
fae25cb260605e187672148d168264ebde55635a

SHA256
07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47

SHA512
66bf2733281c4ce00d029d0ff1612275a78f81cf476da645cf8eda13ec99809ef15513ab5759666eafac486468b2e1a20d7dd60132703425dcc65701d6132ce1

Download Submit
memory/548-57-0x0000000000000000-mapping.dmp

Download
memory/548-61-0x0000000001F10000-0x0000000001F1E000-memory.dmp

Filesize
56KB

Download
memory/548-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/548-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/996-54-0x00000000760E1000-0x00000000760E3000-memory.dmp

Filesize
8KB

Download
memory/996-55-0x00000000746E1000-0x00000000746E3000-memory.dmp

Filesize
8KB

Download
memory/996-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/996-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads