modiloader | a7f6dda305ae7a04d005663500a01772660db2970291010ef01adf310b872354

General

Target

8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe
Size

712KB
MD5

8aef92f2dde827d1a0ca0c26caaa77ba
SHA1

0698565f428f5aa33aabf5425f4dff27c5054ca8
SHA256

a7f6dda305ae7a04d005663500a01772660db2970291010ef01adf310b872354
SHA512

5cdae7ea208e031783b8912463fa5cfa5283fbfec2f54dc0c5904fcacd18603f391b29fe0b63b2b075d5d761c6cc21efefb7e6aa528c60ffed56dd0b4962046d
SSDEEP

12288:UQUbn1Z91Ca3bMcrDPUCUnDP2x7iBqmWdRAG6+B7jR2jUuhtTKw0e0F5U7O0M:kb13sa3bMcrTJGDPx4mmxhT4TKw0eOJ

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 8 IoCs

resource	yara_rule
behavioral1/memory/2840-26-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2840-28-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2840-31-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2840-32-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2840-42-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2504-54-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2504-55-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2504-61-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2

Executes dropped EXE 4 IoCs

pid	Process
2556	haZ-UD.exe
2840	haZ-UD.exe
2800	mstwain32.exe
2504	mstwain32.exe

Loads dropped DLL 3 IoCs

pid	Process
2876	8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe
2876	8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe
2556	haZ-UD.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-4-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/2876-17-0x0000000000400000-0x000000000040D000-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-1-5-21-2257386474-3982792636-3902186748-1000\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	mstwain32.exe
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	haZ-UD.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2556 set thread context of 2840	2556	haZ-UD.exe	31
PID 2800 set thread context of 2504	2800	mstwain32.exe	36

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	haZ-UD.exe
File opened for modification	C:\Windows\mstwain32.exe	haZ-UD.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 6 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	haZ-UD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	haZ-UD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	haZ-UD.exe
Token: SeBackupPrivilege	2632	vssvc.exe
Token: SeRestorePrivilege	2632	vssvc.exe
Token: SeAuditPrivilege	2632	vssvc.exe
Token: SeDebugPrivilege	2504	mstwain32.exe
Token: SeDebugPrivilege	2504	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
272	DllHost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2504	mstwain32.exe
2504	mstwain32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2556	2876	8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2556	2876	8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2556	2876	8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2556	2876	8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2840	2556	haZ-UD.exe	31
PID 2556 wrote to memory of 2840	2556	haZ-UD.exe	31
PID 2556 wrote to memory of 2840	2556	haZ-UD.exe	31
PID 2556 wrote to memory of 2840	2556	haZ-UD.exe	31
PID 2556 wrote to memory of 2840	2556	haZ-UD.exe	31
PID 2556 wrote to memory of 2840	2556	haZ-UD.exe	31
PID 2840 wrote to memory of 2800	2840	haZ-UD.exe	35
PID 2840 wrote to memory of 2800	2840	haZ-UD.exe	35
PID 2840 wrote to memory of 2800	2840	haZ-UD.exe	35
PID 2840 wrote to memory of 2800	2840	haZ-UD.exe	35
PID 2800 wrote to memory of 2504	2800	mstwain32.exe	36
PID 2800 wrote to memory of 2504	2800	mstwain32.exe	36
PID 2800 wrote to memory of 2504	2800	mstwain32.exe	36
PID 2800 wrote to memory of 2504	2800	mstwain32.exe	36
PID 2800 wrote to memory of 2504	2800	mstwain32.exe	36
PID 2800 wrote to memory of 2504	2800	mstwain32.exe	36

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\8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8aef92f2dde827d1a0ca0c26caaa77ba_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\haZ-UD.exe
  "C:\Users\Admin\AppData\Local\Temp\haZ-UD.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Users\Admin\AppData\Local\Temp\haZ-UD.exe
    C:\Users\Admin\AppData\Local\Temp\haZ-UD.exe
    3⤵
    - Executes dropped EXE
    - 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:2840
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\haZ-UD.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2800
    - - C:\Windows\mstwain32.exe
        
        C:\Windows\mstwain32.exe
        5⤵
        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:2504

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
PID:272

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2632

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:\Users\Admin\AppData\Local\Temp\Günbatýmý.jpg

Filesize
69KB

MD5
1bc5b77f3e50b7fbe12c792ee438da45

SHA1
5bd2ef6030d665aa615147512a0fea3055930cc6

SHA256
ea3b1238a38f72b330aac53364bd0a0481946b93fc757dde7314ce3319f1840e

SHA512
62139dfa1f200687b847462c76ff4979c4892ecfe65ff5e8c06822ca771da3bd3db472aa8bdaa61b4ba359e493cf51882f9731e3fbfa2d496dac8cba03332905

Download Submit
C:\Users\Admin\AppData\Local\Temp\haZ-UD.exe

Filesize
633KB

MD5
103a1b2da7e9fd2571881874e83549a3

SHA1
ae3e85f427a2c10f2d61ef3f8d13dda8e21ae933

SHA256
90cf61447c67073be97d23ec4f3ef0f0843a493e6e3ef7348f921443fdf219ff

SHA512
30b3abf57604cb420a188097149f7c714095e3933f92900db1ee484ea582283984c5a7a3efe1629471773241ff26efd885179f268003b0e9f140a578d4acba46

Download Submit
memory/272-62-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/272-6-0x00000000000F0000-0x00000000000F2000-memory.dmp

Filesize
8KB

Download
memory/272-9-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2504-55-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2504-64-0x00000000002E0000-0x00000000002E8000-memory.dmp

Filesize
32KB

Download
memory/2504-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2504-59-0x0000000000350000-0x000000000035E000-memory.dmp

Filesize
56KB

Download
memory/2504-54-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2504-65-0x0000000000350000-0x000000000035E000-memory.dmp

Filesize
56KB

Download
memory/2556-21-0x0000000063400000-0x000000006345EE00-memory.dmp

Filesize
379KB

Download
memory/2556-63-0x0000000063400000-0x000000006345EE00-memory.dmp

Filesize
379KB

Download
memory/2556-29-0x0000000063400000-0x000000006345EE00-memory.dmp

Filesize
379KB

Download
memory/2800-45-0x0000000063400000-0x000000006345EE00-memory.dmp

Filesize
379KB

Download
memory/2800-53-0x0000000063400000-0x000000006345EE00-memory.dmp

Filesize
379KB

Download
memory/2840-26-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2840-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2840-42-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2840-41-0x00000000033D0000-0x000000000342F000-memory.dmp

Filesize
380KB

Download
memory/2840-32-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2840-31-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2840-30-0x0000000063400000-0x000000006345EE00-memory.dmp

Filesize
379KB

Download
memory/2840-43-0x00000000033D0000-0x000000000342F000-memory.dmp

Filesize
380KB

Download
memory/2840-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-28-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2840-66-0x00000000033D0000-0x000000000342F000-memory.dmp

Filesize
380KB

Download
memory/2876-17-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2876-5-0x0000000000850000-0x0000000000852000-memory.dmp

Filesize
8KB

Download
memory/2876-4-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads