modiloader | 70ea3a18e50f25c361deff05d5274eaea3b54276e72e37125ad8f2e38b484baf

General

Target

de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
Size

268KB
MD5

de4fb1a5ac8ec52a9d169f5f06ab75b8
SHA1

e160a0ffefb1cee8c9674ddf710daa8cc83650c3
SHA256

70ea3a18e50f25c361deff05d5274eaea3b54276e72e37125ad8f2e38b484baf
SHA512

5f4a49091a4d9f6e52c485b80b722b77eb7787c4897e875aeab439453c3469fd07268a4a281a9bb2d22e3adb9995902192cf23b39e0d32b07959b7364822ce9b
SSDEEP

3072:ssUoCtot/GT43M5Pgl2b9MLG70sm18rO8BRkOufWoOU7wPlbqy9u:x0Pgli9MawsmMZDkB24mlbqX

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 22 IoCs

resource	yara_rule
behavioral1/memory/2300-7-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2300-6-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2300-18-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-28-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-27-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-29-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-35-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-36-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-39-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-40-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-43-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-46-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-49-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-53-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-56-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-59-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-62-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-65-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-68-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-71-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-74-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/2280-77-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1592	mstwain32.exe
2280	mstwain32.exe

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2300-2-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2300-4-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2300-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2300-7-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2300-6-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2300-18-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-28-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-27-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-26-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-25-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-29-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-35-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-36-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-39-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-40-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-43-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-46-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-49-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-53-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-56-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-59-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-62-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-65-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-68-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-71-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-74-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2280-77-0x0000000000400000-0x0000000000451000-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-1-5-21-4177215427-74451935-3209572229-1000\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	de4fb1a5ac8ec52a9d169f5f06ab75b8_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 1928 set thread context of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1592 set thread context of 2280	1592	mstwain32.exe	35

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.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 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	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.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	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
Token: SeBackupPrivilege	2948	vssvc.exe
Token: SeRestorePrivilege	2948	vssvc.exe
Token: SeAuditPrivilege	2948	vssvc.exe
Token: SeDebugPrivilege	2280	mstwain32.exe
Token: SeDebugPrivilege	2280	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
1592	mstwain32.exe
2280	mstwain32.exe
2280	mstwain32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 1928 wrote to memory of 2300	1928	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	30
PID 2300 wrote to memory of 1592	2300	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	34
PID 2300 wrote to memory of 1592	2300	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	34
PID 2300 wrote to memory of 1592	2300	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	34
PID 2300 wrote to memory of 1592	2300	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	34
PID 1592 wrote to memory of 2280	1592	mstwain32.exe	35
PID 1592 wrote to memory of 2280	1592	mstwain32.exe	35
PID 1592 wrote to memory of 2280	1592	mstwain32.exe	35
PID 1592 wrote to memory of 2280	1592	mstwain32.exe	35
PID 1592 wrote to memory of 2280	1592	mstwain32.exe	35
PID 1592 wrote to memory of 2280	1592	mstwain32.exe	35
PID 1592 wrote to memory of 2280	1592	mstwain32.exe	35
PID 1592 wrote to memory of 2280	1592	mstwain32.exe	35
PID 1592 wrote to memory of 2280	1592	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\de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\de4fb1a5ac8ec52a9d169f5f06ab75b8_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:2300
- - 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 SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1592
  - - 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:2280

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2948

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
268KB

MD5
de4fb1a5ac8ec52a9d169f5f06ab75b8

SHA1
e160a0ffefb1cee8c9674ddf710daa8cc83650c3

SHA256
70ea3a18e50f25c361deff05d5274eaea3b54276e72e37125ad8f2e38b484baf

SHA512
5f4a49091a4d9f6e52c485b80b722b77eb7787c4897e875aeab439453c3469fd07268a4a281a9bb2d22e3adb9995902192cf23b39e0d32b07959b7364822ce9b

Download Submit
memory/2280-36-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-56-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-38-0x0000000002480000-0x000000000248E000-memory.dmp

Filesize
56KB

Download
memory/2280-39-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-74-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-71-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-28-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-27-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-26-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-25-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-29-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-33-0x0000000002480000-0x000000000248E000-memory.dmp

Filesize
56KB

Download
memory/2280-35-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-68-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-77-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-65-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-37-0x0000000001E40000-0x0000000001E48000-memory.dmp

Filesize
32KB

Download
memory/2280-40-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-43-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-46-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-49-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-53-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-62-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-59-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2300-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2300-7-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2300-2-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2300-18-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2300-4-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2300-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads