modiloader | aecb2ddb8f4263ee7f7be40aa7eb3c1f3553a97c57fef595bf88b05bbd798533

General

Target

JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
Size

146KB
MD5

19787f3a4c80689f750b4538c090b679
SHA1

0151e05a93dd4342575060b067350a05149ae7a6
SHA256

aecb2ddb8f4263ee7f7be40aa7eb3c1f3553a97c57fef595bf88b05bbd798533
SHA512

be20cbeaef5252b480e1b8de6fd4767fc9b671782ba0341e093840770e7bc0c1a417e22aa3fde139432000780683b7ccd023bc5c50c16351b48e42739c024680
SSDEEP

3072:LvaDb3CwdRvCwCcGZZ+dq4lUDtmEV9pTSf1dGmkP7Us43vErW7I5YhP:LiDbTjhG7+dq4lUDtv7pTC1n9vsWki9

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 23 IoCs

resource	yara_rule
behavioral2/memory/4112-8-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/4112-9-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/4112-10-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/4112-24-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-32-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-31-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-35-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-47-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-48-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-51-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-52-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-55-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-58-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-61-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-64-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-67-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-70-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-73-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-76-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-79-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-82-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-85-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3196-88-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe

Executes dropped EXE 2 IoCs

pid	Process
4876	mstwain32.exe
3196	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
3196	mstwain32.exe
3196	mstwain32.exe
3196	mstwain32.exe
3196	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-1-5-21-940901362-3608833189-1915618603-1000\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	JaffaCakes118_19787f3a4c80689f750b4538c090b679.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 4716 set thread context of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4876 set thread context of 3196	4876	mstwain32.exe	93

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4112-3-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4112-5-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4112-8-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4112-9-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4112-10-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4112-24-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-30-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-32-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-31-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-35-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-47-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-48-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-51-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-52-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-55-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-58-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-61-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-64-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-67-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-70-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-73-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-76-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-79-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-82-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-85-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3196-88-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
File opened for modification	C:\Windows\mstwain32.exe	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
File opened for modification	C:\Windows\mstwain32.exe	mstwain32.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	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4112	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
Token: SeBackupPrivilege	2432	vssvc.exe
Token: SeRestorePrivilege	2432	vssvc.exe
Token: SeAuditPrivilege	2432	vssvc.exe
Token: SeDebugPrivilege	3196	mstwain32.exe
Token: SeDebugPrivilege	3196	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4112	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
4876	mstwain32.exe
3196	mstwain32.exe
3196	mstwain32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4716 wrote to memory of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4716 wrote to memory of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4716 wrote to memory of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4716 wrote to memory of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4716 wrote to memory of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4716 wrote to memory of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4716 wrote to memory of 4112	4716	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	83
PID 4112 wrote to memory of 4876	4112	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	89
PID 4112 wrote to memory of 4876	4112	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	89
PID 4112 wrote to memory of 4876	4112	JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe	89
PID 4876 wrote to memory of 3196	4876	mstwain32.exe	93
PID 4876 wrote to memory of 3196	4876	mstwain32.exe	93
PID 4876 wrote to memory of 3196	4876	mstwain32.exe	93
PID 4876 wrote to memory of 3196	4876	mstwain32.exe	93
PID 4876 wrote to memory of 3196	4876	mstwain32.exe	93
PID 4876 wrote to memory of 3196	4876	mstwain32.exe	93
PID 4876 wrote to memory of 3196	4876	mstwain32.exe	93
PID 4876 wrote to memory of 3196	4876	mstwain32.exe	93

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\JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4716
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19787f3a4c80689f750b4538c090b679.exe
  2⤵
  - Checks computer location settings
  - 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:4112
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4876
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      UAC bypass
      Executes dropped EXE
      Loads dropped DLL
      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:3196

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2432

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

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\cmsetac.dll

Filesize
32KB

MD5
6d34a0ad3a04d997aa1f894453cc2ec1

SHA1
7a6e56be3c2ceb4df37003c70c370ec9614a2d70

SHA256
80bfba133513672caed60332824852006c2a23ba2d028ae7a83b7684ace8dfa7

SHA512
dfd3fa5006c51b01dca394e637808928a43daa7ad9c6e7ba0ec284eb629767c52c38aa3caeeba61f5c23e6d02908aad904d597f24495e3719f10de3052db872c

Download Submit
C:\Windows\mstwain32.exe

Filesize
146KB

MD5
19787f3a4c80689f750b4538c090b679

SHA1
0151e05a93dd4342575060b067350a05149ae7a6

SHA256
aecb2ddb8f4263ee7f7be40aa7eb3c1f3553a97c57fef595bf88b05bbd798533

SHA512
be20cbeaef5252b480e1b8de6fd4767fc9b671782ba0341e093840770e7bc0c1a417e22aa3fde139432000780683b7ccd023bc5c50c16351b48e42739c024680

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/3196-58-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-61-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-47-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-85-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-48-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-79-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-51-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-32-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-76-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-31-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-73-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-35-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-45-0x0000000003220000-0x000000000322E000-memory.dmp

Filesize
56KB

Download
memory/3196-70-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-88-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-82-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-30-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-50-0x0000000003220000-0x000000000322E000-memory.dmp

Filesize
56KB

Download
memory/3196-49-0x0000000000970000-0x0000000000978000-memory.dmp

Filesize
32KB

Download
memory/3196-52-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-55-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-67-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3196-64-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4112-8-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4112-3-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4112-5-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4112-24-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4112-10-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4112-9-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4716-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4716-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4876-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads