modiloader | f6f3d0e0cdd4b051915d62346feeb56c3322dea78934759c9be9cd4fc8f7f8c1

General

Target

f3e4b866e6dca20e0540250a72940453_JaffaCakes118.exe
Size

310KB
MD5

f3e4b866e6dca20e0540250a72940453
SHA1

2661cc294820f1d570b964a37d8dee33f446b087
SHA256

f6f3d0e0cdd4b051915d62346feeb56c3322dea78934759c9be9cd4fc8f7f8c1
SHA512

967495721d80d0c1a162a4c93d32677fca741e97b0e9f034670017007efb7f946287b8b32f6573fedc6c77640c041758a2ec35694c6918c8486c6cf8664b0e92
SSDEEP

6144:+G377xS2Vp2CeiorXhwTBN53ppcCJJvHQEoSX:9r7xS2Vp6FwT7bJJvHroSX

Score

10^/10

modiloader discovery 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

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 7 IoCs

resource	yara_rule
behavioral1/memory/2172-0-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1148-11-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2172-10-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/files/0x000c000000012281-9.dat	modiloader_stage2
behavioral1/memory/1148-19-0x00000000774D0000-0x00000000775C0000-memory.dmp	modiloader_stage2
behavioral1/memory/1148-20-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1148-21-0x00000000774D0000-0x00000000775C0000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
1148	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
1148	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-1-5-21-4177215427-74451935-3209572229-1000\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	f3e4b866e6dca20e0540250a72940453_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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2172-0-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1148-11-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2172-10-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/files/0x000c000000012281-9.dat	upx
behavioral1/memory/1148-19-0x00000000774D0000-0x00000000775C0000-memory.dmp	upx
behavioral1/memory/1148-20-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	f3e4b866e6dca20e0540250a72940453_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	f3e4b866e6dca20e0540250a72940453_JaffaCakes118.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	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3e4b866e6dca20e0540250a72940453_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	f3e4b866e6dca20e0540250a72940453_JaffaCakes118.exe
Token: SeDebugPrivilege	1148	mstwain32.exe
Token: SeDebugPrivilege	1148	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1148	mstwain32.exe
1148	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 1148	2172	f3e4b866e6dca20e0540250a72940453_JaffaCakes118.exe	31
PID 2172 wrote to memory of 1148	2172	f3e4b866e6dca20e0540250a72940453_JaffaCakes118.exe	31
PID 2172 wrote to memory of 1148	2172	f3e4b866e6dca20e0540250a72940453_JaffaCakes118.exe	31
PID 2172 wrote to memory of 1148	2172	f3e4b866e6dca20e0540250a72940453_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

C:\Users\Admin\AppData\Local\Temp\f3e4b866e6dca20e0540250a72940453_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3e4b866e6dca20e0540250a72940453_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:2172
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f3e4b866e6dca20e0540250a72940453_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:1148

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
310KB

MD5
f3e4b866e6dca20e0540250a72940453

SHA1
2661cc294820f1d570b964a37d8dee33f446b087

SHA256
f6f3d0e0cdd4b051915d62346feeb56c3322dea78934759c9be9cd4fc8f7f8c1

SHA512
967495721d80d0c1a162a4c93d32677fca741e97b0e9f034670017007efb7f946287b8b32f6573fedc6c77640c041758a2ec35694c6918c8486c6cf8664b0e92

Download Submit
memory/1148-18-0x00000000774E0000-0x00000000774E1000-memory.dmp

Filesize
4KB

Download
memory/1148-21-0x00000000774D0000-0x00000000775C0000-memory.dmp

Filesize
960KB

Download
memory/1148-24-0x00000000774D0000-0x00000000775C0000-memory.dmp

Filesize
960KB

Download
memory/1148-23-0x0000000001E30000-0x0000000001E3E000-memory.dmp

Filesize
56KB

Download
memory/1148-22-0x0000000000330000-0x0000000000338000-memory.dmp

Filesize
32KB

Download
memory/1148-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1148-16-0x0000000001E30000-0x0000000001E3E000-memory.dmp

Filesize
56KB

Download
memory/1148-19-0x00000000774D0000-0x00000000775C0000-memory.dmp

Filesize
960KB

Download
memory/1148-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1148-20-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2172-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2172-8-0x0000000002980000-0x00000000029CF000-memory.dmp

Filesize
316KB

Download
memory/2172-3-0x0000000002320000-0x0000000002330000-memory.dmp

Filesize
64KB

Download
memory/2172-10-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads