modiloader | 0575a37c5d8c484e3f6baf84d33e16809d4c413e410c2cedc729473097095d7c

General

Target

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
Size

282KB
MD5

89f3acf8391a5357a5788fa2bd9dad67
SHA1

f46871b0a15b8e89a4fa6df827f5dbe9cbf9d0c4
SHA256

0575a37c5d8c484e3f6baf84d33e16809d4c413e410c2cedc729473097095d7c
SHA512

6afec7cd977c9cf3b90b4953d81f106e3495f14fa2238347eece2a003ab7aa83bfbf94bb16cfaff5be3f96c0b3d1be8061788408d6eaae8ad354e63e35bff483
SSDEEP

6144:iG377xS2Vp2CeiorXhwTBOw+G6l53ipcCJJvHV:xr7xS2Vp6FwTV+hKbJJvH

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
behavioral1/memory/2756-0-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral1/memory/2756-10-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-20-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-23-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-28-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-31-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-35-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-38-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-41-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-44-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-47-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-50-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-53-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-56-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral1/memory/2044-59-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

2044 mstwain32.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

2044 mstwain32.exe

pid	process
2044	mstwain32.exe

pid	process
2044	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-1-5-21-330940541-141609230-1670313778-1000\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:

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.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.exe89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.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	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	2756	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
Token: SeBackupPrivilege	2816	vssvc.exe
Token: SeRestorePrivilege	2816	vssvc.exe
Token: SeAuditPrivilege	2816	vssvc.exe
Token: SeDebugPrivilege	2044	mstwain32.exe
Token: SeDebugPrivilege	2044	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

2044 mstwain32.exe
2044 mstwain32.exe

pid	process
2044	mstwain32.exe
2044	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe

description	pid	process	target process
PID 2756 wrote to memory of 2044	2756	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe	mstwain32.exe
PID 2756 wrote to memory of 2044	2756	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe	mstwain32.exe
PID 2756 wrote to memory of 2044	2756	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe	mstwain32.exe
PID 2756 wrote to memory of 2044	2756	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.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:2044

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2816

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
282KB

MD5
89f3acf8391a5357a5788fa2bd9dad67

SHA1
f46871b0a15b8e89a4fa6df827f5dbe9cbf9d0c4

SHA256
0575a37c5d8c484e3f6baf84d33e16809d4c413e410c2cedc729473097095d7c

SHA512
6afec7cd977c9cf3b90b4953d81f106e3495f14fa2238347eece2a003ab7aa83bfbf94bb16cfaff5be3f96c0b3d1be8061788408d6eaae8ad354e63e35bff483

Download Submit
memory/2044-23-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-15-0x00000000005B0000-0x00000000005BE000-memory.dmp

Filesize
56KB

Download
memory/2044-26-0x0000000075E00000-0x0000000075EF0000-memory.dmp

Filesize
960KB

Download
memory/2044-14-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2044-27-0x0000000075E00000-0x0000000075EF0000-memory.dmp

Filesize
960KB

Download
memory/2044-17-0x0000000075E10000-0x0000000075E11000-memory.dmp

Filesize
4KB

Download
memory/2044-18-0x0000000075E00000-0x0000000075EF0000-memory.dmp

Filesize
960KB

Download
memory/2044-28-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-20-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-21-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/2044-22-0x00000000005B0000-0x00000000005BE000-memory.dmp

Filesize
56KB

Download
memory/2044-59-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-56-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-53-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-19-0x0000000075E00000-0x0000000075EF0000-memory.dmp

Filesize
960KB

Download
memory/2044-31-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-35-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-38-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-41-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-44-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-47-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2044-50-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2756-1-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2756-10-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2756-0-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads