modiloader | 064e03fdeff226ef30e95925e5385affb916704d64fbb5d8ff690b9b9c2d96ba

General

Target

b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe
Size

252KB
MD5

b3d444b02126af5c34a886becacb4096
SHA1

dba5be239849e010829be24f150324ba638225e4
SHA256

064e03fdeff226ef30e95925e5385affb916704d64fbb5d8ff690b9b9c2d96ba
SHA512

77a9c70baf2d32928058aaba9cb1eb90c267a349b5c8b2ae63e89b8f5c70be9cc3da98dcbf7766ed65aa7e9d8da47260cc006c04ec0d9abd17b5a32e36815f19
SSDEEP

6144:mkmLXcxfwktLoxifZJVkVGtrHY8xepO9FI9M/e:mknfwktLoxixLabYFI+/e

Score

10^/10

modiloader discovery evasion persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
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 3 IoCs

resource	yara_rule
behavioral1/memory/2668-13-0x0000000000400000-0x00000000007F4000-memory.dmp	modiloader_stage2
behavioral1/memory/1672-25-0x0000000000400000-0x00000000007F4000-memory.dmp	modiloader_stage2
behavioral1/memory/1672-30-0x00000000770A0000-0x0000000077190000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
1672	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
1672	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-1-5-21-1488793075-819845221-1497111674-1000\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	b3d444b02126af5c34a886becacb4096_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	b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	b3d444b02126af5c34a886becacb4096_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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe
Token: SeBackupPrivilege	2700	vssvc.exe
Token: SeRestorePrivilege	2700	vssvc.exe
Token: SeAuditPrivilege	2700	vssvc.exe
Token: SeDebugPrivilege	1672	mstwain32.exe
Token: SeDebugPrivilege	1672	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1672	mstwain32.exe
1672	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 1672	2668	b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe	33
PID 2668 wrote to memory of 1672	2668	b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe	33
PID 2668 wrote to memory of 1672	2668	b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe	33
PID 2668 wrote to memory of 1672	2668	b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe	33

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\b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3d444b02126af5c34a886becacb4096_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\b3d444b02126af5c34a886becacb4096_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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1672

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2700

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
252KB

MD5
b3d444b02126af5c34a886becacb4096

SHA1
dba5be239849e010829be24f150324ba638225e4

SHA256
064e03fdeff226ef30e95925e5385affb916704d64fbb5d8ff690b9b9c2d96ba

SHA512
77a9c70baf2d32928058aaba9cb1eb90c267a349b5c8b2ae63e89b8f5c70be9cc3da98dcbf7766ed65aa7e9d8da47260cc006c04ec0d9abd17b5a32e36815f19

Download Submit
memory/1672-20-0x0000000002F80000-0x0000000002F8E000-memory.dmp

Filesize
56KB

Download
memory/1672-26-0x00000000770A0000-0x0000000077190000-memory.dmp

Filesize
960KB

Download
memory/1672-30-0x00000000770A0000-0x0000000077190000-memory.dmp

Filesize
960KB

Download
memory/1672-29-0x0000000002F80000-0x0000000002F8E000-memory.dmp

Filesize
56KB

Download
memory/1672-28-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/1672-22-0x00000000770B0000-0x00000000770B1000-memory.dmp

Filesize
4KB

Download
memory/1672-15-0x00000000022F0000-0x0000000002400000-memory.dmp

Filesize
1.1MB

Download
memory/1672-25-0x0000000000400000-0x00000000007F4000-memory.dmp

Filesize
4.0MB

Download
memory/1672-24-0x00000000770A0000-0x0000000077190000-memory.dmp

Filesize
960KB

Download
memory/1672-23-0x00000000770A0000-0x0000000077190000-memory.dmp

Filesize
960KB

Download
memory/1672-19-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/2668-2-0x0000000002810000-0x0000000002811000-memory.dmp

Filesize
4KB

Download
memory/2668-0-0x0000000000400000-0x00000000007F4000-memory.dmp

Filesize
4.0MB

Download
memory/2668-12-0x0000000002300000-0x0000000002410000-memory.dmp

Filesize
1.1MB

Download
memory/2668-13-0x0000000000400000-0x00000000007F4000-memory.dmp

Filesize
4.0MB

Download
memory/2668-1-0x0000000002300000-0x0000000002410000-memory.dmp

Filesize
1.1MB

Download
memory/2668-6-0x0000000003500000-0x0000000003510000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads