modiloader | c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125

Analysis

max time kernel
59s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 1 IoCs

resource	yara_rule
behavioral1/memory/2108-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
468	csrsll.exe
952	csrsll.exe
2108	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.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-1-5-21-3533259084-2542256011-65585152-1000\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 2848 set thread context of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 468 set thread context of 952	468	csrsll.exe	36
PID 468 set thread context of 2108	468	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2848-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2848-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2848-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1572-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1572-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2848-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1572-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1572-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2848-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2848-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1572-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1572-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1572-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-132.dat	upx
behavioral1/memory/1572-134-0x0000000003240000-0x0000000003293000-memory.dmp	upx
behavioral1/memory/1572-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/468-215-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1572-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/468-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2108-252-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/952-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2108-264-0x0000000000400000-0x0000000000414000-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 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
468	csrsll.exe
952	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 2848 wrote to memory of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 2848 wrote to memory of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 2848 wrote to memory of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 2848 wrote to memory of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 2848 wrote to memory of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 2848 wrote to memory of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 2848 wrote to memory of 1572	2848	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	31
PID 1572 wrote to memory of 3060	1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	32
PID 1572 wrote to memory of 3060	1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	32
PID 1572 wrote to memory of 3060	1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	32
PID 1572 wrote to memory of 3060	1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	32
PID 3060 wrote to memory of 2616	3060	cmd.exe	34
PID 3060 wrote to memory of 2616	3060	cmd.exe	34
PID 3060 wrote to memory of 2616	3060	cmd.exe	34
PID 3060 wrote to memory of 2616	3060	cmd.exe	34
PID 1572 wrote to memory of 468	1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	35
PID 1572 wrote to memory of 468	1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	35
PID 1572 wrote to memory of 468	1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	35
PID 1572 wrote to memory of 468	1572	c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe	35
PID 468 wrote to memory of 952	468	csrsll.exe	36
PID 468 wrote to memory of 952	468	csrsll.exe	36
PID 468 wrote to memory of 952	468	csrsll.exe	36
PID 468 wrote to memory of 952	468	csrsll.exe	36
PID 468 wrote to memory of 952	468	csrsll.exe	36
PID 468 wrote to memory of 952	468	csrsll.exe	36
PID 468 wrote to memory of 952	468	csrsll.exe	36
PID 468 wrote to memory of 952	468	csrsll.exe	36
PID 468 wrote to memory of 2108	468	csrsll.exe	37
PID 468 wrote to memory of 2108	468	csrsll.exe	37
PID 468 wrote to memory of 2108	468	csrsll.exe	37
PID 468 wrote to memory of 2108	468	csrsll.exe	37
PID 468 wrote to memory of 2108	468	csrsll.exe	37
PID 468 wrote to memory of 2108	468	csrsll.exe	37
PID 468 wrote to memory of 2108	468	csrsll.exe	37
PID 468 wrote to memory of 2108	468	csrsll.exe	37

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:2848
- C:\Users\Admin\AppData\Local\Temp\c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe
  "C:\Users\Admin\AppData\Local\Temp\c54513a4544a0053feb37a83662282779f466f97f8b0332a732c9778af0d8125.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1572
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PBDGR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - 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:2616
- - 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:468
  - - 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:952
  - - 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:2108

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

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\PBDGR.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2f4ec11ab455f18bdccb41ef071b7933

SHA1
f5d1e5c7aa7e3d3f9137827aa3f67709e598ee90

SHA256
7a98c77acfc11ab16ec1ec0d41c341a042aee10a7b484a7c0c6ecb5d3ba2aa55

SHA512
4ff16746061fbd4e9bf4714bf9e8e0b029e61658c7a8217fbeb07b8a102d4d6a6df85e4a18c31f80917e0338e461cbcf53ccdad0ac571469a9e5d64c5d2e6478

Download Submit
memory/468-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/468-168-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/468-179-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/468-215-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/468-158-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/952-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1572-149-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/1572-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-242-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/1572-243-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/1572-245-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/1572-150-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/1572-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-148-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/1572-147-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/1572-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-134-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/2108-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2108-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2848-61-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2848-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2848-154-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-41-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2848-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2848-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2848-21-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2848-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-71-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2848-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2848-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2848-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads