modiloader | 1622e104bfce02d383bad13311675a5a41bbc7278fff712b99cebce5fc731f9f

General

Target

JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe
Size

384KB
MD5

493cf51c8af4ce45e73cdf36450a33da
SHA1

e2473f7bd0fe7b14d884871580aa1b0c2520db5c
SHA256

1622e104bfce02d383bad13311675a5a41bbc7278fff712b99cebce5fc731f9f
SHA512

f432b420c2248c144cb86c160522a14dd665271b6e6b0778ea3abb79972df2cba94f718f69c99fbaa853b0cea2129eb7e70a169a5bfea4202a682ef70db0ef50
SSDEEP

6144:/pUjtsbEAfwNtQVsyOCO7AjgC3laTJwld3fSoAm2Eb87Af4GIe+2NZcTakEK:RUjtsbEAINtQVsyOV7A8C3lawld3KoAl

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 20 IoCs

resource	yara_rule
behavioral1/memory/824-12-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/824-11-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/824-26-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-41-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-40-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-42-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-48-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-51-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-52-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-55-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-58-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-61-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-65-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-68-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-71-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-74-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-77-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-80-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-83-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/652-86-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2972	mstwain32.exe
652	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-1-5-21-1488793075-819845221-1497111674-1000\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_493cf51c8af4ce45e73cdf36450a33da.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 2304 set thread context of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 2972 set thread context of 652	2972	mstwain32.exe	36

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/824-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/824-8-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/824-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/824-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/824-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/824-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/824-26-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-42-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-48-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-51-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-52-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-55-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-58-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-61-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-65-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-68-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-71-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-74-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-77-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-80-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-83-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/652-86-0x0000000000400000-0x0000000000454000-memory.dmp	upx

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe
File opened for modification	C:\Windows\mstwain32.exe	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe
File opened for modification	C:\Windows\mstwain32.exe	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	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.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	824	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe
Token: SeBackupPrivilege	2268	vssvc.exe
Token: SeRestorePrivilege	2268	vssvc.exe
Token: SeAuditPrivilege	2268	vssvc.exe
Token: SeDebugPrivilege	652	mstwain32.exe
Token: SeDebugPrivilege	652	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
824	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe
2972	mstwain32.exe
652	mstwain32.exe
652	mstwain32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 2304 wrote to memory of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 2304 wrote to memory of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 2304 wrote to memory of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 2304 wrote to memory of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 2304 wrote to memory of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 2304 wrote to memory of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 2304 wrote to memory of 824	2304	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	31
PID 824 wrote to memory of 2972	824	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	35
PID 824 wrote to memory of 2972	824	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	35
PID 824 wrote to memory of 2972	824	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	35
PID 824 wrote to memory of 2972	824	JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe	35
PID 2972 wrote to memory of 652	2972	mstwain32.exe	36
PID 2972 wrote to memory of 652	2972	mstwain32.exe	36
PID 2972 wrote to memory of 652	2972	mstwain32.exe	36
PID 2972 wrote to memory of 652	2972	mstwain32.exe	36
PID 2972 wrote to memory of 652	2972	mstwain32.exe	36
PID 2972 wrote to memory of 652	2972	mstwain32.exe	36
PID 2972 wrote to memory of 652	2972	mstwain32.exe	36
PID 2972 wrote to memory of 652	2972	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\JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.exe
  C:\Users\Admin\AppData\Local\Temp\\\\\\\JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.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 FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_493cf51c8af4ce45e73cdf36450a33da.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:2972
  - - 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:652

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2268

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
384KB

MD5
493cf51c8af4ce45e73cdf36450a33da

SHA1
e2473f7bd0fe7b14d884871580aa1b0c2520db5c

SHA256
1622e104bfce02d383bad13311675a5a41bbc7278fff712b99cebce5fc731f9f

SHA512
f432b420c2248c144cb86c160522a14dd665271b6e6b0778ea3abb79972df2cba94f718f69c99fbaa853b0cea2129eb7e70a169a5bfea4202a682ef70db0ef50

Download Submit
memory/652-61-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-51-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-86-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-83-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-80-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-77-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-74-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-71-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-48-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-68-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-65-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-58-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-42-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-55-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/652-46-0x0000000001DC0000-0x0000000001DCE000-memory.dmp

Filesize
56KB

Download
memory/652-50-0x0000000001DC0000-0x0000000001DCE000-memory.dmp

Filesize
56KB

Download
memory/652-49-0x00000000002F0000-0x00000000002F8000-memory.dmp

Filesize
32KB

Download
memory/652-52-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-14-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/824-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-26-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-13-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/824-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/824-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads