modiloader | a6ad5f33ce750fd4b92d385eab9cf73e8939f1211c73ccf37c911c8648c808ee

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 00:23

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General

Target

f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
Size

925KB
MD5

f0e9fe1ca958f85ae72a30b4fcf0b84b
SHA1

680e3bf50fb3143b309358aa061460c402fbd022
SHA256

a6ad5f33ce750fd4b92d385eab9cf73e8939f1211c73ccf37c911c8648c808ee
SHA512

0a340f18872e095fc4a2d4770126216e70fa3f5d25b4f45a8bc84acc9608167fad99c077c6b3c75c218a7d5fef464ae93e95d965c092f047dc4e5d8cd5b91e1c
SSDEEP

12288:Mko7YNQ5s4WioPJicryGBWECTqCpWG1lHAJfKEtDWXNpby4d8IEXu5otUi/gh7ps:MdwQH6icoECFpWylHAy8IYQo6zNwBJ

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

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"	xpsystem32.exe

ModiLoader Second Stage 22 IoCs

resource	yara_rule
behavioral2/memory/740-4-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/740-5-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/740-6-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/740-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/740-10-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/740-26-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-33-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-36-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-41-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-42-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-44-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-45-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-47-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-48-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-50-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-51-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4204-53-0x0000000000400000-0x000000000044B000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4304	xpsystem32.exe
4204	xpsystem32.exe

Loads dropped DLL 1 IoCs

pid	Process
4204	xpsystem32.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xpsystem32 = "C:\\Windows\\xpsystem32.exe"	xpsystem32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	xpsystem32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	xpsystem32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1268 set thread context of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 4304 set thread context of 4204	4304	xpsystem32.exe	91

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\xpsystem32.exe	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
File opened for modification	C:\Windows\xpsystem32.exe	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	xpsystem32.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	xpsystem32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xpsystem32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
Token: SeBackupPrivilege	2540	vssvc.exe
Token: SeRestorePrivilege	2540	vssvc.exe
Token: SeAuditPrivilege	2540	vssvc.exe
Token: SeDebugPrivilege	4204	xpsystem32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
740	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
4304	xpsystem32.exe
4304	xpsystem32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 1268 wrote to memory of 740	1268	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	82
PID 740 wrote to memory of 4304	740	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	88
PID 740 wrote to memory of 4304	740	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	88
PID 740 wrote to memory of 4304	740	f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe	88
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91
PID 4304 wrote to memory of 4204	4304	xpsystem32.exe	91

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"	xpsystem32.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\f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f0e9fe1ca958f85ae72a30b4fcf0b84b_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 FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:740
- - C:\Windows\xpsystem32.exe
    "C:\Windows\xpsystem32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f0e9fe1ca958f85ae72a30b4fcf0b84b_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4304
  - - C:\Windows\xpsystem32.exe
      C:\Windows\xpsystem32.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
      System policy modification
      PID:4204

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2540

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

Replay Monitor

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Downloads

C:\Windows\ntdtcstp.dll

Filesize
40KB

MD5
3f689ab34ba20ffbc647f3c4ce7c9c92

SHA1
0275be6c5d43a4916f4b6b2b4aa06398e193206f

SHA256
003eb1ba56dc99c6a6d4e8f35233edcee64aa8001ac5f7289369cae2325ff019

SHA512
5336b3d410c21746a81a67c1b0da791d5592d4dc42fe559bc9b12a89b6bc6aef04b385a1566e55a7599c2489741ee7b0953f9cb0b3b5b9a9feb006678e2bdbce

Download Submit
C:\Windows\xpsystem32.exe

Filesize
925KB

MD5
f0e9fe1ca958f85ae72a30b4fcf0b84b

SHA1
680e3bf50fb3143b309358aa061460c402fbd022

SHA256
a6ad5f33ce750fd4b92d385eab9cf73e8939f1211c73ccf37c911c8648c808ee

SHA512
0a340f18872e095fc4a2d4770126216e70fa3f5d25b4f45a8bc84acc9608167fad99c077c6b3c75c218a7d5fef464ae93e95d965c092f047dc4e5d8cd5b91e1c

Download Submit
\??\c:\users\admin\appdata\local\temp\6EF69DFE

Filesize
14B

MD5
39079ffbb855c7e6410492fc93cf401d

SHA1
ae419f746f56f11e41724ce6473e0900ac587ad6

SHA256
b4a88318197cc3ad792bccbee1414900a220ff55d43135ac42af44ee837bbc4e

SHA512
1ac0669354ed83da535516d2a8db7334d4a8d18217545785a7c3ed45b3fc76a4696c46b3a4e8d76abbf0ef6ff5d351291506a7d349b8471dec0178761dd2adb9

Download Submit
memory/740-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/740-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/740-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/740-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/740-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/740-26-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1268-9-0x0000000000400000-0x00000000007BF000-memory.dmp

Filesize
3.7MB

Download
memory/1268-0-0x0000000000400000-0x00000000007BF000-memory.dmp

Filesize
3.7MB

Download
memory/4204-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-33-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-41-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-42-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-36-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4204-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4304-35-0x0000000000400000-0x00000000007BF000-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads