modiloader | 44422c987d161f2c41450fc0bfad5eaee5668ff13e37a492c0d078ecd0a7aab0

General

Target

8bdeac226552fb683eff2f43cd79ac15.exe
Size

270KB
MD5

8bdeac226552fb683eff2f43cd79ac15
SHA1

cb40b583d0feaa8355edcc4e7fe889d60d456492
SHA256

44422c987d161f2c41450fc0bfad5eaee5668ff13e37a492c0d078ecd0a7aab0
SHA512

033cb79abe0e8fc3025fafb1f4a098b7941c9ce07da9b2da3f5540bac2c8439b6098759d3200d349636af1f26e41db0086244be6496f79bace0dd2bc17d2dfce
SSDEEP

6144:KG377xS2Vp2CeiorXhwTBOz53OD3pcCJJvH:Zr7xS2Vp6FwTt3bJJvH

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
T1548.002

Disable or Modify Tools
T1562.001

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 16 IoCs

Processes:

resource	yara_rule
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral1/memory/2388-8-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-17-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-20-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-23-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-26-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-29-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-32-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-35-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-38-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-41-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-44-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-47-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-50-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-53-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1300-56-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

1300 mstwain32.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

1300 mstwain32.exe

pid	process
1300	mstwain32.exe

pid	process
1300	mstwain32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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:

8bdeac226552fb683eff2f43cd79ac15.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8bdeac226552fb683eff2f43cd79ac15.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:

8bdeac226552fb683eff2f43cd79ac15.exemstwain32.exe

description	ioc	process
File opened for modification	C:\Windows\mstwain32.exe	8bdeac226552fb683eff2f43cd79ac15.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	8bdeac226552fb683eff2f43cd79ac15.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

8bdeac226552fb683eff2f43cd79ac15.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	2388	8bdeac226552fb683eff2f43cd79ac15.exe
Token: SeDebugPrivilege	1300	mstwain32.exe
Token: SeDebugPrivilege	1300	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1300 mstwain32.exe
1300 mstwain32.exe

pid	process
1300	mstwain32.exe
1300	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8bdeac226552fb683eff2f43cd79ac15.exe

description	pid	process	target process
PID 2388 wrote to memory of 1300	2388	8bdeac226552fb683eff2f43cd79ac15.exe	mstwain32.exe
PID 2388 wrote to memory of 1300	2388	8bdeac226552fb683eff2f43cd79ac15.exe	mstwain32.exe
PID 2388 wrote to memory of 1300	2388	8bdeac226552fb683eff2f43cd79ac15.exe	mstwain32.exe
PID 2388 wrote to memory of 1300	2388	8bdeac226552fb683eff2f43cd79ac15.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\8bdeac226552fb683eff2f43cd79ac15.exe
"C:\Users\Admin\AppData\Local\Temp\8bdeac226552fb683eff2f43cd79ac15.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8bdeac226552fb683eff2f43cd79ac15.exe"
2⤵
- UAC bypass
- Deletes itself
- 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:1300

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\mstwain32.exe
Filesize
270KB

MD5
8bdeac226552fb683eff2f43cd79ac15

SHA1
cb40b583d0feaa8355edcc4e7fe889d60d456492

SHA256
44422c987d161f2c41450fc0bfad5eaee5668ff13e37a492c0d078ecd0a7aab0

SHA512
033cb79abe0e8fc3025fafb1f4a098b7941c9ce07da9b2da3f5540bac2c8439b6098759d3200d349636af1f26e41db0086244be6496f79bace0dd2bc17d2dfce

Download Submit
memory/1300-20-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-12-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1300-26-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-13-0x00000000025B0000-0x00000000025BE000-memory.dmp

Filesize
56KB

Download
memory/1300-16-0x0000000076E00000-0x0000000076EF0000-memory.dmp

Filesize
960KB

Download
memory/1300-15-0x0000000076E10000-0x0000000076E11000-memory.dmp

Filesize
4KB

Download
memory/1300-17-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-19-0x00000000025B0000-0x00000000025BE000-memory.dmp

Filesize
56KB

Download
memory/1300-29-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-23-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-56-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-18-0x00000000002B0000-0x00000000002B8000-memory.dmp

Filesize
32KB

Download
memory/1300-32-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-35-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-38-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-41-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1300-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2388-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2388-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads