modiloader | c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125

Analysis

max time kernel
59s
max time network
59s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 19:11

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General

Target

c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
Size

90KB
MD5

cba257e9d2ab9cf1176f5b426b55c81a
SHA1

9154c7db35bad36b682a450040820bb4b2148fbd
SHA256

c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125
SHA512

690106bad7311aca648ece4796310b3d894d0716d5ef6688f2ebb01d666bb7b49153edd4e8dfc4a13bf76074a7fa08e853eadebfba8b01956a1d23b99dff9ea6
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDk:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3i

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/3280-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3280-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3280-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3280-62-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe

Executes dropped EXE 3 IoCs

pid	Process
2728	csrsll.exe
1732	csrsll.exe
3280	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 3164 set thread context of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 2728 set thread context of 1732	2728	csrsll.exe	101
PID 2728 set thread context of 3280	2728	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3164-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3164-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4944-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4944-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3164-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4944-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c94-30.dat	upx
behavioral2/memory/4944-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2728-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2728-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3280-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3280-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3280-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3280-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3280-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2728-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4944-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1732-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3280-62-0x0000000000400000-0x0000000000414000-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	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe
Token: SeDebugPrivilege	1732	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
4944	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
2728	csrsll.exe
1732	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 3164 wrote to memory of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 3164 wrote to memory of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 3164 wrote to memory of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 3164 wrote to memory of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 3164 wrote to memory of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 3164 wrote to memory of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 3164 wrote to memory of 4944	3164	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	89
PID 4944 wrote to memory of 640	4944	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	90
PID 4944 wrote to memory of 640	4944	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	90
PID 4944 wrote to memory of 640	4944	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	90
PID 640 wrote to memory of 60	640	cmd.exe	94
PID 640 wrote to memory of 60	640	cmd.exe	94
PID 640 wrote to memory of 60	640	cmd.exe	94
PID 4944 wrote to memory of 2728	4944	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	95
PID 4944 wrote to memory of 2728	4944	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	95
PID 4944 wrote to memory of 2728	4944	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	95
PID 2728 wrote to memory of 1732	2728	csrsll.exe	101
PID 2728 wrote to memory of 1732	2728	csrsll.exe	101
PID 2728 wrote to memory of 1732	2728	csrsll.exe	101
PID 2728 wrote to memory of 1732	2728	csrsll.exe	101
PID 2728 wrote to memory of 1732	2728	csrsll.exe	101
PID 2728 wrote to memory of 1732	2728	csrsll.exe	101
PID 2728 wrote to memory of 1732	2728	csrsll.exe	101
PID 2728 wrote to memory of 1732	2728	csrsll.exe	101
PID 2728 wrote to memory of 3280	2728	csrsll.exe	102
PID 2728 wrote to memory of 3280	2728	csrsll.exe	102
PID 2728 wrote to memory of 3280	2728	csrsll.exe	102
PID 2728 wrote to memory of 3280	2728	csrsll.exe	102
PID 2728 wrote to memory of 3280	2728	csrsll.exe	102
PID 2728 wrote to memory of 3280	2728	csrsll.exe	102
PID 2728 wrote to memory of 3280	2728	csrsll.exe	102
PID 2728 wrote to memory of 3280	2728	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
"C:\Users\Admin\AppData\Local\Temp\c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Users\Admin\AppData\Local\Temp\c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
  "C:\Users\Admin\AppData\Local\Temp\c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VXJPW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:640
  - - 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:60
- - 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:2728
  - - 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:1732
  - - 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:3280

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\VXJPW.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
44f21ec280a21814d498d18646471bf6

SHA1
cd384bbf8d86797224fb753784833666d23d39bd

SHA256
866bcd70c68e2bc18f48447ffd3c3ca4137531b27d3f53aca4d6eb22be56c178

SHA512
027ffd200818e86d965e2f05f19f58b0174ac96b759ea47622ae6cfe0646e27a8c644b8e5333bb2029681038d649b3c0ef8c980e7194fbeae5f8fe17e2b037dd

Download Submit
memory/1732-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2728-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2728-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3164-6-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/3164-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3164-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3164-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3164-7-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/3164-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/3164-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/3280-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3280-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3280-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3280-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3280-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3280-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4944-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4944-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4944-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4944-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4944-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads