modiloader | 428ec07e99f55d80b4737e5a40dd4c6fee9a5fe3d56c602b00e12a967347711c

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 06:56

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General

Target

2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
Size

1.0MB
MD5

2174a890ceaf6338f7b5681debba43f3
SHA1

9eedb7f8b545133cee67d235701d7f813b3dd8aa
SHA256

428ec07e99f55d80b4737e5a40dd4c6fee9a5fe3d56c602b00e12a967347711c
SHA512

185665e84c8d97ed204f824e91c9621cc34b3e12fde5d07705a96bad1b6e6456a3386d24a64f40a0a939439c76a883332f12615d797bff284337b77df7b26cb5
SSDEEP

24576:ZRd1NDQjTjb85hhqHbVHIE1mURgtMc+Ew0yULW:Td1NDQjT8uzRmMQ9yU6

Score

10^/10

modiloader evasion persistence themida 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 12 IoCs

resource	yara_rule
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-20-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-34-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-26-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2652-44-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2488-82-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2488-79-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2488-86-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2488-89-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2
behavioral1/memory/2488-91-0x0000000000400000-0x0000000000445000-memory.dmp	modiloader_stage2

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	mstwain32.exe

Executes dropped EXE 2 IoCs

pid	Process
2608	mstwain32.exe
2488	mstwain32.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Wine	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Wine	mstwain32.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1688-0-0x0000000000400000-0x0000000000508000-memory.dmp	themida
behavioral1/memory/1688-4-0x0000000000400000-0x0000000000508000-memory.dmp	themida
behavioral1/memory/1688-32-0x0000000000400000-0x0000000000508000-memory.dmp	themida
behavioral1/files/0x00060000000055d7-40.dat	themida
behavioral1/memory/2608-47-0x0000000000400000-0x0000000000508000-memory.dmp	themida
behavioral1/memory/2608-50-0x0000000000400000-0x0000000000508000-memory.dmp	themida
behavioral1/memory/2608-83-0x0000000000400000-0x0000000000508000-memory.dmp	themida
behavioral1/memory/2608-81-0x0000000000400000-0x0000000000508000-memory.dmp	themida

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-1-5-21-3691908287-3775019229-3534252667-1000\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	2174a890ceaf6338f7b5681debba43f3_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 NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
2608	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1688 set thread context of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 2608 set thread context of 2488	2608	mstwain32.exe	33

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
2608	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
Token: SeBackupPrivilege	2684	vssvc.exe
Token: SeRestorePrivilege	2684	vssvc.exe
Token: SeAuditPrivilege	2684	vssvc.exe
Token: SeDebugPrivilege	2488	mstwain32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
2608	mstwain32.exe
2488	mstwain32.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 1688 wrote to memory of 2652	1688	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	28
PID 2652 wrote to memory of 2608	2652	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	32
PID 2652 wrote to memory of 2608	2652	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	32
PID 2652 wrote to memory of 2608	2652	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	32
PID 2652 wrote to memory of 2608	2652	2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe	32
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.exe	33
PID 2608 wrote to memory of 2488	2608	mstwain32.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\2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\2174a890ceaf6338f7b5681debba43f3_JaffaCakes118.exe"
    3⤵
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2608
  - - 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
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:2488

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\mstwain32.exe

Filesize
1.0MB

MD5
2174a890ceaf6338f7b5681debba43f3

SHA1
9eedb7f8b545133cee67d235701d7f813b3dd8aa

SHA256
428ec07e99f55d80b4737e5a40dd4c6fee9a5fe3d56c602b00e12a967347711c

SHA512
185665e84c8d97ed204f824e91c9621cc34b3e12fde5d07705a96bad1b6e6456a3386d24a64f40a0a939439c76a883332f12615d797bff284337b77df7b26cb5

Download Submit
memory/1688-4-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/1688-3-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/1688-33-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/1688-32-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/1688-0-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2488-91-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2488-89-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2488-87-0x0000000000370000-0x000000000037A000-memory.dmp

Filesize
40KB

Download
memory/2488-86-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2488-79-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2488-82-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2608-83-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2608-47-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2608-81-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2608-50-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2652-26-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2652-38-0x0000000001F40000-0x0000000001F50000-memory.dmp

Filesize
64KB

Download
memory/2652-45-0x0000000003050000-0x0000000003158000-memory.dmp

Filesize
1.0MB

Download
memory/2652-44-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2652-9-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2652-5-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2652-7-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2652-46-0x0000000003050000-0x0000000003158000-memory.dmp

Filesize
1.0MB

Download
memory/2652-16-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2652-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-34-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2652-88-0x0000000003050000-0x0000000003158000-memory.dmp

Filesize
1.0MB

Download
memory/2652-20-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2652-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download