modiloader | 91a4318aa3087fccfe71e96f8f26bf449aa5f11256f11606081a233202085519

General

Target

fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
Size

698KB
MD5

fea1ea38e2baf6e5e4f2e774d6f1cf3f
SHA1

83640555fa74e77e77b9c4051f547a3bfbb73ffe
SHA256

91a4318aa3087fccfe71e96f8f26bf449aa5f11256f11606081a233202085519
SHA512

1125dd7551686955562c4a94582de8a868720c16b40d32bce472c7dbab2edc163fb47f2a9ac0fbf13719b6c5cafac672884f61de4b7684a5560e709be1c29be2
SSDEEP

12288:JHLUMuiv9RgfSjAzRty+C5LsZUMrzS23NcoDa+D6kS5h:xtARK52UMrW0uu/I5h

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 21 IoCs

resource	yara_rule
behavioral1/memory/2380-5-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-9-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-15-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-13-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-16-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-11-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-19-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-20-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-29-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-51-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-54-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-60-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-62-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-65-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-68-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-71-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-74-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-78-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-81-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2480-84-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1636	mstwain32.exe
2480	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-1-5-21-3533259084-2542256011-65585152-1000\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	fea1ea38e2baf6e5e4f2e774d6f1cf3f_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

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2932-18-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe
behavioral1/memory/1636-32-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe
behavioral1/memory/1636-53-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 1636 set thread context of 2480	1636	mstwain32.exe	35

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2932-0-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral1/memory/2932-18-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral1/files/0x00060000000055d8-26.dat	upx
behavioral1/memory/1636-32-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral1/memory/1636-34-0x0000000003210000-0x000000000330B000-memory.dmp	upx
behavioral1/memory/1636-53-0x0000000000400000-0x00000000004FB000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	fea1ea38e2baf6e5e4f2e774d6f1cf3f_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 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	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fea1ea38e2baf6e5e4f2e774d6f1cf3f_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	2380	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
Token: SeBackupPrivilege	3032	vssvc.exe
Token: SeRestorePrivilege	3032	vssvc.exe
Token: SeAuditPrivilege	3032	vssvc.exe
Token: SeDebugPrivilege	2480	mstwain32.exe
Token: SeDebugPrivilege	2480	mstwain32.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
1636	mstwain32.exe
1636	mstwain32.exe
1636	mstwain32.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
1636	mstwain32.exe
1636	mstwain32.exe
1636	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2480	mstwain32.exe
2480	mstwain32.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2932 wrote to memory of 2380	2932	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	30
PID 2380 wrote to memory of 1636	2380	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	34
PID 2380 wrote to memory of 1636	2380	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	34
PID 2380 wrote to memory of 1636	2380	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	34
PID 2380 wrote to memory of 1636	2380	fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe	34
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	mstwain32.exe	35
PID 1636 wrote to memory of 2480	1636	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\fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\fea1ea38e2baf6e5e4f2e774d6f1cf3f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fea1ea38e2baf6e5e4f2e774d6f1cf3f_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 WriteProcessMemory
  PID:2380
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:1636
  - - 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:2480

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3032

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
698KB

MD5
fea1ea38e2baf6e5e4f2e774d6f1cf3f

SHA1
83640555fa74e77e77b9c4051f547a3bfbb73ffe

SHA256
91a4318aa3087fccfe71e96f8f26bf449aa5f11256f11606081a233202085519

SHA512
1125dd7551686955562c4a94582de8a868720c16b40d32bce472c7dbab2edc163fb47f2a9ac0fbf13719b6c5cafac672884f61de4b7684a5560e709be1c29be2

Download Submit
memory/1636-53-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/1636-34-0x0000000003210000-0x000000000330B000-memory.dmp

Filesize
1004KB

Download
memory/1636-32-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/2380-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-19-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-13-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-16-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-11-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-61-0x00000000031C0000-0x00000000032BB000-memory.dmp

Filesize
1004KB

Download
memory/2380-9-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-15-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-20-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-24-0x0000000002360000-0x0000000002370000-memory.dmp

Filesize
64KB

Download
memory/2380-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-30-0x00000000031C0000-0x00000000032BB000-memory.dmp

Filesize
1004KB

Download
memory/2380-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-29-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-27-0x00000000004C0000-0x0000000000500000-memory.dmp

Filesize
256KB

Download
memory/2380-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-64-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/2480-68-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-58-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/2480-60-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-84-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-62-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-81-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-63-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/2480-65-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-71-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-74-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2480-78-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2932-0-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/2932-18-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads