modiloader | 65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e

Analysis

max time kernel
119s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 11:37

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General

Target

65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe
Size

90KB
MD5

6e4019d06b658802b7419cb005033b65
SHA1

01920ec746a6a5ddcf361614b920b260fe16a422
SHA256

65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e
SHA512

2a1675a1139343d3a4fae3403c5a3487b10d1f94c9cfc488e258a32b82a3000cdafc9dda4f5b896b9f98dce9feab1b51fd7b85e501b04bde4453c74ef04674c7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD6:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3A

Score

10^/10

modiloader discovery 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

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/720-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/720-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/720-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/720-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe

Executes dropped EXE 3 IoCs

pid	Process
1964	csrsll.exe
1236	csrsll.exe
720	csrsll.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3580 set thread context of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 1964 set thread context of 1236	1964	csrsll.exe	90
PID 1964 set thread context of 720	1964	csrsll.exe	91

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3580-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3580-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2072-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2072-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3580-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2072-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b6e-29.dat	upx
behavioral2/memory/2072-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1964-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1964-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/720-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/720-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/720-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/720-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/720-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1964-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2072-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1236-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/720-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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 7 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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe
2072	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe
1964	csrsll.exe
1236	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 3580 wrote to memory of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 3580 wrote to memory of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 3580 wrote to memory of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 3580 wrote to memory of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 3580 wrote to memory of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 3580 wrote to memory of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 3580 wrote to memory of 2072	3580	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	83
PID 2072 wrote to memory of 4744	2072	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	84
PID 2072 wrote to memory of 4744	2072	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	84
PID 2072 wrote to memory of 4744	2072	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	84
PID 4744 wrote to memory of 1924	4744	cmd.exe	88
PID 4744 wrote to memory of 1924	4744	cmd.exe	88
PID 4744 wrote to memory of 1924	4744	cmd.exe	88
PID 2072 wrote to memory of 1964	2072	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	89
PID 2072 wrote to memory of 1964	2072	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	89
PID 2072 wrote to memory of 1964	2072	65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe	89
PID 1964 wrote to memory of 1236	1964	csrsll.exe	90
PID 1964 wrote to memory of 1236	1964	csrsll.exe	90
PID 1964 wrote to memory of 1236	1964	csrsll.exe	90
PID 1964 wrote to memory of 1236	1964	csrsll.exe	90
PID 1964 wrote to memory of 1236	1964	csrsll.exe	90
PID 1964 wrote to memory of 1236	1964	csrsll.exe	90
PID 1964 wrote to memory of 1236	1964	csrsll.exe	90
PID 1964 wrote to memory of 1236	1964	csrsll.exe	90
PID 1964 wrote to memory of 720	1964	csrsll.exe	91
PID 1964 wrote to memory of 720	1964	csrsll.exe	91
PID 1964 wrote to memory of 720	1964	csrsll.exe	91
PID 1964 wrote to memory of 720	1964	csrsll.exe	91
PID 1964 wrote to memory of 720	1964	csrsll.exe	91
PID 1964 wrote to memory of 720	1964	csrsll.exe	91
PID 1964 wrote to memory of 720	1964	csrsll.exe	91
PID 1964 wrote to memory of 720	1964	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe
"C:\Users\Admin\AppData\Local\Temp\65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe
  "C:\Users\Admin\AppData\Local\Temp\65948108b6444f3f05c9ddc6a5170febd79ee525217a18e76ed082d2db427a7e.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SQUPX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4744
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1924
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1964
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1236
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:720

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\SQUPX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
90KB

MD5
6e4dddfecf65534836f41e247bdec24c

SHA1
4b127eca37d9b22a4dff8b27521faf73ad685f05

SHA256
d7178c34ff459aea2664342503a321e7d3fe05f3a25fafdc0fec14cf52d27233

SHA512
819f6f814ca63a3c4b350fda3ad05dbca3a2a65e07ca6c28bb880ab544abdaff1a66b3fb409802af5ccee2968e72936c344213b1b520ab61570fab6f11944ece

Download Submit
memory/720-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/720-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/720-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/720-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/720-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/720-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1236-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1964-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1964-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1964-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2072-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2072-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2072-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2072-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2072-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3580-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/3580-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/3580-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3580-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/3580-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3580-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads