modiloader | c3d8ab3258f3a6c98fd4da79c60973a1c0989e39811920b96847812a29e50aa1

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2024, 11:12

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General

Target

ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe
Size

894KB
MD5

ccafbc0dc9af3a1e10cf69eea429fb96
SHA1

884a0a8d8b4c0f165b56f831e953f05082ab08a3
SHA256

c3d8ab3258f3a6c98fd4da79c60973a1c0989e39811920b96847812a29e50aa1
SHA512

bbd36de70d7820da19dc8666bed2e26ba010aafe8448db9201ded2b9152a90e18e6311649c630ae30884ac6629e57a24d14db64c598f2abfb2e1996fdb0d88c5
SSDEEP

12288:Yxo7YNQg2YcKify3iTntxrr0cuUPnIpVwDIX9cgtWb2/ExgDj48uSeJro0okzLPs:YKwQrsiK3Sr0ckHCb2Mxg348uS8oqzLE

Score

10^/10

modiloader discovery evasion persistence trojan

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 22 IoCs

resource	yara_rule
behavioral2/memory/3816-3-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3816-4-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3816-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3816-6-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3816-16-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-25-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-27-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-55-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-70-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-76-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3412-79-0x0000000000400000-0x000000000044B000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE

Executes dropped EXE 2 IoCs

pid	Process
1132	mstwain32.exe
3412	mstwain32.EXE

Loads dropped DLL 4 IoCs

pid	Process
3412	mstwain32.EXE
3412	mstwain32.EXE
3412	mstwain32.EXE
3412	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-1-5-21-3442511616-637977696-3186306149-1000\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	ccafbc0dc9af3a1e10cf69eea429fb96_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 NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1132	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1204 set thread context of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1132 set thread context of 3412	1132	mstwain32.exe	87

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE
File opened for modification	C:\Windows\mstwain32.exe	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.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	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3816	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE
Token: SeBackupPrivilege	4084	vssvc.exe
Token: SeRestorePrivilege	4084	vssvc.exe
Token: SeAuditPrivilege	4084	vssvc.exe
Token: SeDebugPrivilege	3412	mstwain32.EXE
Token: SeDebugPrivilege	3412	mstwain32.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe
1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe
1132	mstwain32.exe
1132	mstwain32.exe
3412	mstwain32.EXE
3412	mstwain32.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 1204 wrote to memory of 3816	1204	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe	82
PID 3816 wrote to memory of 1132	3816	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE	86
PID 3816 wrote to memory of 1132	3816	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE	86
PID 3816 wrote to memory of 1132	3816	ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE	86
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87
PID 1132 wrote to memory of 3412	1132	mstwain32.exe	87

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\ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE
  ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.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 WriteProcessMemory
  PID:3816
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\ccafbc0dc9af3a1e10cf69eea429fb96_JaffaCakes118.EXE"
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1132
  - - C:\Windows\mstwain32.EXE
      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:3412

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
77bc9f1ab14b24ebf03c4ee0806acb6f

SHA1
9573b70520eecbbab92d6d39196db97bcfdc65f0

SHA256
94cc5bad36551df45a58fdc26fbb1200e1123e1d0df4af24b452b11c8e51513c

SHA512
2d9e767adf1464987f4808ca6b91155626c0036cb7e10b457f49683e383244873803f470b10dbf0910442ea7cd41cb7c90f73ad2fa863fb1963dddb654752233

Download Submit
C:\Windows\mstwain32.exe

Filesize
894KB

MD5
ccafbc0dc9af3a1e10cf69eea429fb96

SHA1
884a0a8d8b4c0f165b56f831e953f05082ab08a3

SHA256
c3d8ab3258f3a6c98fd4da79c60973a1c0989e39811920b96847812a29e50aa1

SHA512
bbd36de70d7820da19dc8666bed2e26ba010aafe8448db9201ded2b9152a90e18e6311649c630ae30884ac6629e57a24d14db64c598f2abfb2e1996fdb0d88c5

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
\??\c:\users\admin\appdata\local\temp\00000000

Filesize
14B

MD5
b7e8e583a34d4d59a3fa6d5ca7d9c3cb

SHA1
57056a74b70e0e5f616096cfef0f599e06931f52

SHA256
590355785ceb06d2f608ca3b276b8bdc3207119d296b97bb796829eeff016157

SHA512
aa05853ded06beb245fd840057fe8dc8eead9344327b5a1c014a0a63407b48af21f0bf0d94c7ee994cea0014e5910043a7b6d9b57f29893d89df30c23676c224

Download Submit
memory/1132-26-0x0000000000400000-0x00000000007AC01A-memory.dmp

Filesize
3.7MB

Download
memory/1204-5-0x0000000000400000-0x00000000007AC01A-memory.dmp

Filesize
3.7MB

Download
memory/3412-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-25-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-76-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-37-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/3412-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-70-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-42-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/3412-41-0x0000000000930000-0x0000000000938000-memory.dmp

Filesize
32KB

Download
memory/3412-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3412-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3816-16-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3816-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3816-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3816-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3816-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads