modiloader | bb7552982ca26ee9cb795930acf815b60593d6705a5160c92de6f186dfef784a

General

Target

ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
Size

205KB
MD5

ca529b9a36c74d66f877cf52addefab0
SHA1

6e932f4e2f51fa351070cf0e2c426f930da7e19b
SHA256

bb7552982ca26ee9cb795930acf815b60593d6705a5160c92de6f186dfef784a
SHA512

25921db9d542af8caa62145d43e699c095f324a1020e5fe13943748f093d165240443e2520c5e5352a171697b60f0ca73be603430cee64c8c2db1df8d3dc0239
SSDEEP

6144:GXkVBFAveiN7Za1NVGFdi7AEQGjCahwCrKoU:GXCYxZYsdGAHGj/XU

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
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 23 IoCs

resource	yara_rule
behavioral1/memory/2720-8-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2720-7-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2720-9-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2720-21-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-32-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-31-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-33-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-39-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-40-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-43-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-44-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-47-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-50-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-53-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-57-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-60-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-63-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-66-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-69-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-72-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-75-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-78-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2756-81-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2004	mstwain32.exe
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-1-5-21-3551809350-4263495960-1443967649-1000\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	ca529b9a36c74d66f877cf52addefab0_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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 2004 set thread context of 2756	2004	mstwain32.exe	35

UPX packed file 28 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2720-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-6-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-8-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-7-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-9-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-21-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-32-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-31-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-30-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-29-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-33-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-39-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-40-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-43-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-44-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-47-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-50-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-53-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-57-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-60-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-63-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-66-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-69-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-72-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-75-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-78-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2756-81-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	mstwain32.exe
File created	C:\Windows\ntdtcstp.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 4 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	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
Token: SeBackupPrivilege	2736	vssvc.exe
Token: SeRestorePrivilege	2736	vssvc.exe
Token: SeAuditPrivilege	2736	vssvc.exe
Token: SeDebugPrivilege	2756	mstwain32.exe
Token: SeDebugPrivilege	2756	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2720	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
2004	mstwain32.exe
2756	mstwain32.exe
2756	mstwain32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2720	1508	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2004	2720	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	34
PID 2720 wrote to memory of 2004	2720	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	34
PID 2720 wrote to memory of 2004	2720	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	34
PID 2720 wrote to memory of 2004	2720	ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe	34
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35
PID 2004 wrote to memory of 2756	2004	mstwain32.exe	35

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\ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Users\Admin\AppData\Local\Temp\ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ca529b9a36c74d66f877cf52addefab0_JaffaCakes118.exe"
  2⤵
  - 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:2720
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2004
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      4⤵
      UAC bypass
      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:2756

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2736

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3551809350-4263495960-1443967649-1000\699c4b9cdebca7aaea5193cae8a50098_5a410d66-f84f-4a6b-9b29-3982febe58d9

Filesize
50B

MD5
5b63d4dd8c04c88c0e30e494ec6a609a

SHA1
884d5a8bdc25fe794dc22ef9518009dcf0069d09

SHA256
4d93c22555b3169e5c13716ca59b8b22892c69b3025aea841afe5259698102fd

SHA512
15ff8551ac6b9de978050569bcdc26f44dfc06a0eaf445ac70fd45453a21bdafa3e4c8b4857d6a1c3226f4102a639682bdfb71d7b255062fb81a51c9126896cb

Download Submit
C:\Windows\mstwain32.exe

Filesize
205KB

MD5
ca529b9a36c74d66f877cf52addefab0

SHA1
6e932f4e2f51fa351070cf0e2c426f930da7e19b

SHA256
bb7552982ca26ee9cb795930acf815b60593d6705a5160c92de6f186dfef784a

SHA512
25921db9d542af8caa62145d43e699c095f324a1020e5fe13943748f093d165240443e2520c5e5352a171697b60f0ca73be603430cee64c8c2db1df8d3dc0239

Download Submit
memory/2720-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-3-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-7-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-21-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-40-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-44-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-30-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-29-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-33-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-37-0x0000000000590000-0x000000000059E000-memory.dmp

Filesize
56KB

Download
memory/2756-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-32-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-41-0x0000000000280000-0x0000000000288000-memory.dmp

Filesize
32KB

Download
memory/2756-42-0x0000000000590000-0x000000000059E000-memory.dmp

Filesize
56KB

Download
memory/2756-43-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-31-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-47-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-50-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-53-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-69-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-72-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-75-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-78-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-81-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads