modiloader | 757e0d1e1c2e9bb8685d9c69c9b8bfc04e59a199d7616cb217b3ff011ffdc78c

General

Target

f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe
Size

273KB
MD5

f92a411ea31666fae2c8213055ed34eb
SHA1

24f0dddeae69510c82565e5a12e646c59f5e7c33
SHA256

757e0d1e1c2e9bb8685d9c69c9b8bfc04e59a199d7616cb217b3ff011ffdc78c
SHA512

cf1a63f4ade1599d66558fc304c6b58f6dd03c7623457c0c038886b19b70e5383aa53243e48552da53459caf2295db0adb0f823dc5fb9dd69e5de6ef683e2dbe
SSDEEP

6144:kG377xS2Vp2CeiorXdwTBgWx4W53ypcCJJvH:fr7xS2Vp6RwTyCKbJJvH

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

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

ModiLoader Second Stage 16 IoCs

resource	yara_rule
behavioral1/files/0x00060000000055a3-4.dat	modiloader_stage2
behavioral1/memory/1664-8-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-18-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-19-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-21-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-22-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-23-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-25-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-26-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-27-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-28-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-29-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-30-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-31-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-32-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-33-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
2756	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	mstwain32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f92a411ea31666fae2c8213055ed34eb_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

description	ioc	Process
File created	C:\Windows\mstwain32.exe	f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.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).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1664	f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe
Token: SeBackupPrivilege	2212	vssvc.exe
Token: SeRestorePrivilege	2212	vssvc.exe
Token: SeAuditPrivilege	2212	vssvc.exe
Token: SeDebugPrivilege	2756	mstwain32.exe
Token: SeDebugPrivilege	2756	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	mstwain32.exe
2756	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 2756	1664	f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe	31
PID 1664 wrote to memory of 2756	1664	f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe	31
PID 1664 wrote to memory of 2756	1664	f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe	31
PID 1664 wrote to memory of 2756	1664	f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe	31

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f92a411ea31666fae2c8213055ed34eb_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f92a411ea31666fae2c8213055ed34eb_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:2756

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\mstwain32.exe

Filesize
273KB

MD5
f92a411ea31666fae2c8213055ed34eb

SHA1
24f0dddeae69510c82565e5a12e646c59f5e7c33

SHA256
757e0d1e1c2e9bb8685d9c69c9b8bfc04e59a199d7616cb217b3ff011ffdc78c

SHA512
cf1a63f4ade1599d66558fc304c6b58f6dd03c7623457c0c038886b19b70e5383aa53243e48552da53459caf2295db0adb0f823dc5fb9dd69e5de6ef683e2dbe

Download Submit
memory/1664-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-12-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2756-13-0x0000000001EB0000-0x0000000001EBE000-memory.dmp

Filesize
56KB

Download
memory/2756-15-0x0000000075F50000-0x0000000076040000-memory.dmp

Filesize
960KB

Download
memory/2756-16-0x0000000074660000-0x0000000074674000-memory.dmp

Filesize
80KB

Download
memory/2756-17-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2756-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-20-0x0000000075F50000-0x0000000076040000-memory.dmp

Filesize
960KB

Download
memory/2756-19-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-23-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-25-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-26-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-27-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-28-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-29-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-30-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-31-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-32-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2756-33-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads