modiloader | 09c191d26752cef42dfad6df6379de78b82e9ce4ca4be75603399f6d08fd107b

General

Target

d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
Size

311KB
MD5

d448fa3563da125b99e5d4cf64603e35
SHA1

4ce9161761a2e03314d19ef695459e9d1698c340
SHA256

09c191d26752cef42dfad6df6379de78b82e9ce4ca4be75603399f6d08fd107b
SHA512

64a7af6a69b1dee2a7575feafb2392494dc2497bcf819d24897418591dcc853a468b0497d8966526ff49a518a2ac5a8fdbb6a1c0d9158e9eeee6f7b009152107
SSDEEP

6144:gGyjnBSkuV1d4eZd88ORJIf/wTBt53ovpcNQAoS:LYnBSkuVUeZdYqwTeCoS

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/2756-0-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1704-14-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-13-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055ce-12.dat	modiloader_stage2
behavioral1/memory/1704-22-0x0000000077020000-0x0000000077110000-memory.dmp	modiloader_stage2
behavioral1/memory/1704-23-0x0000000077020000-0x0000000077110000-memory.dmp	modiloader_stage2
behavioral1/memory/1704-24-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
1704	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
1704	mstwain32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2756-0-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1704-14-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2756-13-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/files/0x00060000000055ce-12.dat	upx
behavioral1/memory/1704-22-0x0000000077020000-0x0000000077110000-memory.dmp	upx
behavioral1/memory/1704-24-0x0000000000400000-0x000000000044F000-memory.dmp	upx

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-1-5-21-2872745919-2748461613-2989606286-1000\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	d448fa3563da125b99e5d4cf64603e35_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	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
Token: SeBackupPrivilege	2744	vssvc.exe
Token: SeRestorePrivilege	2744	vssvc.exe
Token: SeAuditPrivilege	2744	vssvc.exe
Token: SeDebugPrivilege	1704	mstwain32.exe
Token: SeDebugPrivilege	1704	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2756	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1704	mstwain32.exe
1704	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 1704	2756	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe	33
PID 2756 wrote to memory of 1704	2756	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe	33
PID 2756 wrote to memory of 1704	2756	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe	33
PID 2756 wrote to memory of 1704	2756	d448fa3563da125b99e5d4cf64603e35_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\d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d448fa3563da125b99e5d4cf64603e35_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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\d448fa3563da125b99e5d4cf64603e35_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:1704

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2744

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
311KB

MD5
d448fa3563da125b99e5d4cf64603e35

SHA1
4ce9161761a2e03314d19ef695459e9d1698c340

SHA256
09c191d26752cef42dfad6df6379de78b82e9ce4ca4be75603399f6d08fd107b

SHA512
64a7af6a69b1dee2a7575feafb2392494dc2497bcf819d24897418591dcc853a468b0497d8966526ff49a518a2ac5a8fdbb6a1c0d9158e9eeee6f7b009152107

Download Submit
memory/1704-19-0x0000000002330000-0x000000000233E000-memory.dmp

Filesize
56KB

Download
memory/1704-23-0x0000000077020000-0x0000000077110000-memory.dmp

Filesize
960KB

Download
memory/1704-28-0x0000000077020000-0x0000000077110000-memory.dmp

Filesize
960KB

Download
memory/1704-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1704-27-0x0000000002330000-0x000000000233E000-memory.dmp

Filesize
56KB

Download
memory/1704-26-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/1704-25-0x0000000077020000-0x0000000077110000-memory.dmp

Filesize
960KB

Download
memory/1704-21-0x0000000077030000-0x0000000077031000-memory.dmp

Filesize
4KB

Download
memory/1704-22-0x0000000077020000-0x0000000077110000-memory.dmp

Filesize
960KB

Download
memory/1704-24-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1704-18-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2756-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2756-2-0x0000000002E10000-0x0000000002E11000-memory.dmp

Filesize
4KB

Download
memory/2756-1-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2756-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2756-7-0x0000000003C00000-0x0000000003C10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads