modiloader | d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 04:05

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General

Target

d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe
Size

90KB
MD5

812c708218e5a7eda98b6fb5f6e30177
SHA1

a7a441911b3990e0be98873caa5c569c7f0d8a0c
SHA256

d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5
SHA512

a69597d637bed849915d37b438298ccecc04ff5cfe61e50298e22434b59a8bba0032784eee3007291bcf577112240fcaecea116e7316299ed00fc48322a17e6a
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/2324-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2324-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2324-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2324-63-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe

Executes dropped EXE 3 IoCs

pid	Process
1096	csrsll.exe
1752	csrsll.exe
2324	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-1-5-21-493223053-2004649691-1575712786-1000\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 848 set thread context of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 1096 set thread context of 1752	1096	csrsll.exe	102
PID 1096 set thread context of 2324	1096	csrsll.exe	103

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/848-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/848-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2156-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2156-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/848-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2156-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2156-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b86-29.dat	upx
behavioral2/memory/1096-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2156-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1096-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2324-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1096-49-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1096-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2324-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2324-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2324-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2324-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2156-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1752-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2324-63-0x0000000000400000-0x0000000000414000-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	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	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe
Token: SeDebugPrivilege	1752	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe
2156	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe
1096	csrsll.exe
1752	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 848 wrote to memory of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 848 wrote to memory of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 848 wrote to memory of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 848 wrote to memory of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 848 wrote to memory of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 848 wrote to memory of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 848 wrote to memory of 2156	848	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	85
PID 2156 wrote to memory of 4652	2156	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	91
PID 2156 wrote to memory of 4652	2156	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	91
PID 2156 wrote to memory of 4652	2156	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	91
PID 4652 wrote to memory of 2476	4652	cmd.exe	95
PID 4652 wrote to memory of 2476	4652	cmd.exe	95
PID 4652 wrote to memory of 2476	4652	cmd.exe	95
PID 2156 wrote to memory of 1096	2156	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	96
PID 2156 wrote to memory of 1096	2156	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	96
PID 2156 wrote to memory of 1096	2156	d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe	96
PID 1096 wrote to memory of 1752	1096	csrsll.exe	102
PID 1096 wrote to memory of 1752	1096	csrsll.exe	102
PID 1096 wrote to memory of 1752	1096	csrsll.exe	102
PID 1096 wrote to memory of 1752	1096	csrsll.exe	102
PID 1096 wrote to memory of 1752	1096	csrsll.exe	102
PID 1096 wrote to memory of 1752	1096	csrsll.exe	102
PID 1096 wrote to memory of 1752	1096	csrsll.exe	102
PID 1096 wrote to memory of 1752	1096	csrsll.exe	102
PID 1096 wrote to memory of 2324	1096	csrsll.exe	103
PID 1096 wrote to memory of 2324	1096	csrsll.exe	103
PID 1096 wrote to memory of 2324	1096	csrsll.exe	103
PID 1096 wrote to memory of 2324	1096	csrsll.exe	103
PID 1096 wrote to memory of 2324	1096	csrsll.exe	103
PID 1096 wrote to memory of 2324	1096	csrsll.exe	103
PID 1096 wrote to memory of 2324	1096	csrsll.exe	103
PID 1096 wrote to memory of 2324	1096	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe
"C:\Users\Admin\AppData\Local\Temp\d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe
  "C:\Users\Admin\AppData\Local\Temp\d5c9908f84419774b5fa2516ac499cd87c8c7cf1bfde0ee9db9495f1bf02f9e5.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CHWXV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4652
  - - 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:2476
- - 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:1096
  - - 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:1752
  - - 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:2324

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\CHWXV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ce23aee3b7aa44e3f636567fa43dd076

SHA1
a3a8dcb78b41cef2c1b2de2a3cb3bc256247de0f

SHA256
59aa9a1c5be15dad09712ffa239a7fab40461087a7bb66beb83905fbcbea6dba

SHA512
5551a411f9897ca1f881a537d12d153a414e38252a0e8ed078f7e1cd0da5d6802c72072db93e0596c1f13658f4c509ecb9cedab64f3b52a6a68bb1cbdfdf5952

Download Submit
memory/848-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/848-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/848-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/1096-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1096-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1096-49-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1096-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1752-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2156-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2156-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2156-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2156-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2156-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2156-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads