modiloader | cf11cfa9fc43491bd3b36fb4149929dd99378ead226bb293699ae4a534fbd213

General

Target

fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe
Size

152KB
MD5

fc4ff0abdacbfd71aa7a96ba016baff1
SHA1

9d675ce7917ee832c570d5e17da5922ba461293e
SHA256

cf11cfa9fc43491bd3b36fb4149929dd99378ead226bb293699ae4a534fbd213
SHA512

6fe420115e120204a746ab086a99de64da50d0d75fbb027513f392e056efba19c0e044a9c774398f351b10a40516b22bf28d02eda0d3f4b27ec88f27599c2998
SSDEEP

3072:JcfTP8/nLg1OVOOZwKLODFLv4p7XJI4Fzmk3KlcVPis/tS4ig:JoOLFL2vDKTFmk3woPiGS4N

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 16 IoCs

resource	yara_rule
behavioral1/memory/2540-56-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-66-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-69-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-70-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-73-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-76-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-79-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-83-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-86-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-89-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-92-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-95-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-98-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-101-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-104-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2084-107-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1560	sqlexec.dll.exe
2540	win.dll.exe
2084	mstwain32.exe

Loads dropped DLL 5 IoCs

pid	Process
1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe
1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe
1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe
1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe
2540	win.dll.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-1-5-21-2872745919-2748461613-2989606286-1000\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	win.dll.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2540-26-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/files/0x0008000000016d0e-25.dat	upx
behavioral1/memory/2084-59-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2540-56-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-66-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-69-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-70-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-73-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-76-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-79-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-83-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-86-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-89-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-92-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-95-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-98-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-101-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-104-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2084-107-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	win.dll.exe
File opened for modification	C:\Windows\mstwain32.exe	win.dll.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 3 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	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	win.dll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1560	sqlexec.dll.exe
1560	sqlexec.dll.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	win.dll.exe
Token: SeBackupPrivilege	2828	vssvc.exe
Token: SeRestorePrivilege	2828	vssvc.exe
Token: SeAuditPrivilege	2828	vssvc.exe
Token: SeDebugPrivilege	2084	mstwain32.exe
Token: SeDebugPrivilege	2084	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2540	win.dll.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2084	mstwain32.exe
2084	mstwain32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1560	1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe	30
PID 1964 wrote to memory of 1560	1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe	30
PID 1964 wrote to memory of 1560	1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe	30
PID 1964 wrote to memory of 1560	1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe	30
PID 1964 wrote to memory of 2540	1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe	31
PID 1964 wrote to memory of 2540	1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe	31
PID 1964 wrote to memory of 2540	1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe	31
PID 1964 wrote to memory of 2540	1964	fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe	31
PID 1560 wrote to memory of 1108	1560	sqlexec.dll.exe	20
PID 1560 wrote to memory of 1108	1560	sqlexec.dll.exe	20
PID 1560 wrote to memory of 1108	1560	sqlexec.dll.exe	20
PID 1560 wrote to memory of 1108	1560	sqlexec.dll.exe	20
PID 1560 wrote to memory of 1108	1560	sqlexec.dll.exe	20
PID 1560 wrote to memory of 1108	1560	sqlexec.dll.exe	20
PID 2540 wrote to memory of 2084	2540	win.dll.exe	35
PID 2540 wrote to memory of 2084	2540	win.dll.exe	35
PID 2540 wrote to memory of 2084	2540	win.dll.exe	35
PID 2540 wrote to memory of 2084	2540	win.dll.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:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1108
- C:\Users\Admin\AppData\Local\Temp\fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fc4ff0abdacbfd71aa7a96ba016baff1_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Users\Admin\AppData\Local\Temp\sqlexec.dll.exe
    "C:\Users\Admin\AppData\Local\Temp\sqlexec.dll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1560
- - C:\Users\Admin\AppData\Local\Temp\win.dll.exe
    "C:\Users\Admin\AppData\Local\Temp\win.dll.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - 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:2540
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\win.dll.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:2084

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2828

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\sqlexec.dll.exe

Filesize
28KB

MD5
cf5b01239d4486294e48e0fbab695918

SHA1
f22d3ae15c215bbb2ba75fd9442f6899399667cb

SHA256
c5ef4d3997865c0f8b32d336fde88270421b82f6ab53527a075082711b9bb6dc

SHA512
895d56c7f14b12cbffdfa7d05d894542b951d69e945976c7dae9506ac9be9681fa2859a350bf40b55260b696bce1d86d68feae2985205cd729b352677f579a9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\win.dll.exe

Filesize
108KB

MD5
98f3e3488e2ad85a32e2002e619aef8e

SHA1
f3d4ed7eaaf9b167f702b49b4a9141732e3e68fe

SHA256
93857e0fbb4201dd0073f43201226906996e5a59b8498a421ebf6c047ed93014

SHA512
6bb6df586b733234c221a7eb1340d9734fe3fc6439bf89e11f005aac0c07bc87a5f26dcc591b606d0a0bcb3dbafe43c5e52b22e0d417c0901975e80fbeca9fc9

Download Submit
memory/1108-31-0x000000007EFC0000-0x000000007EFC6000-memory.dmp

Filesize
24KB

Download
memory/1108-21-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

Filesize
4KB

Download
memory/1560-13-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1560-27-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/1964-12-0x0000000001FB0000-0x0000000001FB9000-memory.dmp

Filesize
36KB

Download
memory/1964-11-0x0000000001FB0000-0x0000000001FB9000-memory.dmp

Filesize
36KB

Download
memory/1964-24-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2084-79-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-92-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-107-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-104-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-101-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-63-0x0000000002470000-0x000000000247E000-memory.dmp

Filesize
56KB

Download
memory/2084-98-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-67-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/2084-68-0x0000000002470000-0x000000000247E000-memory.dmp

Filesize
56KB

Download
memory/2084-69-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-73-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-76-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-95-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-83-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-86-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2084-89-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2540-43-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2540-26-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2540-65-0x0000000003C10000-0x0000000003C60000-memory.dmp

Filesize
320KB

Download
memory/2540-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2540-57-0x0000000003C10000-0x0000000003C60000-memory.dmp

Filesize
320KB

Download
memory/2540-50-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads