modiloader | 88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2f

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 14:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe
Size

90KB
MD5

aef06d4971d63f4ceb7b40f6b5d0f8b0
SHA1

4eae71a9a4624e623dd1e903d06d5a800b7d1063
SHA256

88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2f
SHA512

fa1dfb50647c45f8e65248a92b056ceb5ffb8fe84c0fd48e8f07c34a6dd023d4b98e15562d577b137c907ae5d805737347774e9e42afc14e299da0f802768bb7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDQ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3+

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/4232-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4232-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4232-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4232-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe

Executes dropped EXE 3 IoCs

pid	Process
3056	csrsll.exe
1372	csrsll.exe
4232	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-1-5-21-2878641211-696417878-3864914810-1000\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 4936 set thread context of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 3056 set thread context of 1372	3056	csrsll.exe	91
PID 3056 set thread context of 4232	3056	csrsll.exe	92

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4936-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4936-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2568-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2568-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4936-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2568-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c9c-29.dat	upx
behavioral2/memory/2568-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3056-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3056-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4232-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3056-51-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4232-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4232-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2568-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4232-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4232-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1372-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4232-62-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe
Token: SeDebugPrivilege	1372	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe
2568	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe
3056	csrsll.exe
1372	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 4936 wrote to memory of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 4936 wrote to memory of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 4936 wrote to memory of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 4936 wrote to memory of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 4936 wrote to memory of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 4936 wrote to memory of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 4936 wrote to memory of 2568	4936	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	84
PID 2568 wrote to memory of 392	2568	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	85
PID 2568 wrote to memory of 392	2568	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	85
PID 2568 wrote to memory of 392	2568	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	85
PID 392 wrote to memory of 2500	392	cmd.exe	89
PID 392 wrote to memory of 2500	392	cmd.exe	89
PID 392 wrote to memory of 2500	392	cmd.exe	89
PID 2568 wrote to memory of 3056	2568	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	90
PID 2568 wrote to memory of 3056	2568	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	90
PID 2568 wrote to memory of 3056	2568	88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe	90
PID 3056 wrote to memory of 1372	3056	csrsll.exe	91
PID 3056 wrote to memory of 1372	3056	csrsll.exe	91
PID 3056 wrote to memory of 1372	3056	csrsll.exe	91
PID 3056 wrote to memory of 1372	3056	csrsll.exe	91
PID 3056 wrote to memory of 1372	3056	csrsll.exe	91
PID 3056 wrote to memory of 1372	3056	csrsll.exe	91
PID 3056 wrote to memory of 1372	3056	csrsll.exe	91
PID 3056 wrote to memory of 1372	3056	csrsll.exe	91
PID 3056 wrote to memory of 4232	3056	csrsll.exe	92
PID 3056 wrote to memory of 4232	3056	csrsll.exe	92
PID 3056 wrote to memory of 4232	3056	csrsll.exe	92
PID 3056 wrote to memory of 4232	3056	csrsll.exe	92
PID 3056 wrote to memory of 4232	3056	csrsll.exe	92
PID 3056 wrote to memory of 4232	3056	csrsll.exe	92
PID 3056 wrote to memory of 4232	3056	csrsll.exe	92
PID 3056 wrote to memory of 4232	3056	csrsll.exe	92

C:\Users\Admin\AppData\Local\Temp\88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe
"C:\Users\Admin\AppData\Local\Temp\88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Users\Admin\AppData\Local\Temp\88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe
  "C:\Users\Admin\AppData\Local\Temp\88b2183ba86753f38a0e9c6c4b82b944c74deea5fc78eabe1d2cdb56f18b0a2fN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TBPOA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:392
  - - 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:2500
- - 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:3056
  - - 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:1372
  - - 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:4232

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\TBPOA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
40ba3c0c0af7a22ec64f6af902719783

SHA1
703cb35f54143c424be6e48aea769554308b4e4c

SHA256
17ef60fef104d7734a92b32ab74190778d4aac6d2e8359ab617bc4c2d7c338de

SHA512
66f95a88214283537f9829e72c7778b36d666ef24fe287576bf7aa55a2258e5c3803cd49404bd4f3bad56fddcea86809f2800a2f9f5e501a0f4e40fdffe99845

Download Submit
memory/1372-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-54-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2568-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3056-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3056-51-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4232-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4232-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4232-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4232-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4232-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4232-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4936-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4936-5-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/4936-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4936-6-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4936-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4936-3-0x00000000022C0000-0x00000000022C2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads