modiloader | 9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053

General

Target

9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
Size

110KB
MD5

a0a4452bf9d24f1082680bd6052b9fd0
SHA1

150cbac129712a7f58710c8b5d4999163f240223
SHA256

9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053
SHA512

f8cedd2898376d8b57c68df13f5e7ff43cdcaff5fa09c1903eb26833241b04fa37a7535cf1cf73cd6c993d3a7b8269c9913fe910d61f5df5e50cc39938ae5ae1
SSDEEP

3072:G1+MJKrUnFYY5z1i0Nmbi5fJBN1O581esZXjout:OIrPj0NmWtN1d1esFjoS

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/1788-55-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1788-57-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1788-65-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/460-66-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

460 mstwain32.exe

pid	process
460	mstwain32.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1788-55-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1788-57-0x0000000000400000-0x000000000044F000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral1/memory/460-63-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1788-65-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/460-66-0x0000000000400000-0x000000000044F000-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-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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.exe9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.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	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe

Drops file in Windows directory 3 IoCs

Processes:

9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.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:

9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1788	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
Token: SeDebugPrivilege	460	mstwain32.exe
Token: SeDebugPrivilege	460	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe

pid process

1788 9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

460 mstwain32.exe
460 mstwain32.exe

pid	process
1788	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe

pid	process
460	mstwain32.exe
460	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe

description	pid	process	target process
PID 1788 wrote to memory of 460	1788	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe	mstwain32.exe
PID 1788 wrote to memory of 460	1788	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe	mstwain32.exe
PID 1788 wrote to memory of 460	1788	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe	mstwain32.exe
PID 1788 wrote to memory of 460	1788	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.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\9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
"C:\Users\Admin\AppData\Local\Temp\9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.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:1788

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:460

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
110KB

MD5
a0a4452bf9d24f1082680bd6052b9fd0

SHA1
150cbac129712a7f58710c8b5d4999163f240223

SHA256
9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053

SHA512
f8cedd2898376d8b57c68df13f5e7ff43cdcaff5fa09c1903eb26833241b04fa37a7535cf1cf73cd6c993d3a7b8269c9913fe910d61f5df5e50cc39938ae5ae1

Download Submit
memory/460-63-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/460-59-0x0000000000000000-mapping.dmp

Download
memory/460-66-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/460-67-0x0000000002450000-0x000000000245E000-memory.dmp

Filesize
56KB

Download
memory/1788-56-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/1788-57-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1788-58-0x00000000038F0000-0x0000000003900000-memory.dmp

Filesize
64KB

Download
memory/1788-55-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1788-61-0x0000000002360000-0x00000000023AF000-memory.dmp

Filesize
316KB

Download
memory/1788-62-0x0000000002360000-0x00000000023AF000-memory.dmp

Filesize
316KB

Download
memory/1788-54-0x00000000760D1000-0x00000000760D3000-memory.dmp

Filesize
8KB

Download
memory/1788-65-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads