modiloader | 2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 09:07

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General

Target

2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
Size

90KB
MD5

6e98baf254695fcd1c7a981a456dac00
SHA1

21c039d267d9e9c4e15709420cf8a0afc987df5c
SHA256

2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5
SHA512

f3ea80168a6200c56a63b1667b77cb798b526126d7b904cae83ca370caea2980608871a3e3eee4489710ff85e9c277718858874c0f5e473e0487d0b3fb7fd505
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDX:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3B

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/876-265-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2808	csrsll.exe
772	csrsll.exe
876	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.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-1-5-21-1846800975-3917212583-2893086201-1000\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 2972 set thread context of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2808 set thread context of 772	2808	csrsll.exe	35
PID 2808 set thread context of 876	2808	csrsll.exe	36

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2972-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2120-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2120-91-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2972-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2972-95-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2120-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2120-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2120-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2972-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2972-99-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2120-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c00000001227d-132.dat	upx
behavioral1/memory/2120-146-0x0000000003250000-0x00000000032A3000-memory.dmp	upx
behavioral1/memory/2120-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2808-226-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2808-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/876-256-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2120-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/772-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/876-265-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe
Token: SeDebugPrivilege	772	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
2808	csrsll.exe
772	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2972 wrote to memory of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2972 wrote to memory of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2972 wrote to memory of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2972 wrote to memory of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2972 wrote to memory of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2972 wrote to memory of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2972 wrote to memory of 2120	2972	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	30
PID 2120 wrote to memory of 2896	2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	31
PID 2120 wrote to memory of 2896	2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	31
PID 2120 wrote to memory of 2896	2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	31
PID 2120 wrote to memory of 2896	2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	31
PID 2896 wrote to memory of 3068	2896	cmd.exe	33
PID 2896 wrote to memory of 3068	2896	cmd.exe	33
PID 2896 wrote to memory of 3068	2896	cmd.exe	33
PID 2896 wrote to memory of 3068	2896	cmd.exe	33
PID 2120 wrote to memory of 2808	2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	34
PID 2120 wrote to memory of 2808	2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	34
PID 2120 wrote to memory of 2808	2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	34
PID 2120 wrote to memory of 2808	2120	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	34
PID 2808 wrote to memory of 772	2808	csrsll.exe	35
PID 2808 wrote to memory of 772	2808	csrsll.exe	35
PID 2808 wrote to memory of 772	2808	csrsll.exe	35
PID 2808 wrote to memory of 772	2808	csrsll.exe	35
PID 2808 wrote to memory of 772	2808	csrsll.exe	35
PID 2808 wrote to memory of 772	2808	csrsll.exe	35
PID 2808 wrote to memory of 772	2808	csrsll.exe	35
PID 2808 wrote to memory of 772	2808	csrsll.exe	35
PID 2808 wrote to memory of 876	2808	csrsll.exe	36
PID 2808 wrote to memory of 876	2808	csrsll.exe	36
PID 2808 wrote to memory of 876	2808	csrsll.exe	36
PID 2808 wrote to memory of 876	2808	csrsll.exe	36
PID 2808 wrote to memory of 876	2808	csrsll.exe	36
PID 2808 wrote to memory of 876	2808	csrsll.exe	36
PID 2808 wrote to memory of 876	2808	csrsll.exe	36
PID 2808 wrote to memory of 876	2808	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
"C:\Users\Admin\AppData\Local\Temp\2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
  "C:\Users\Admin\AppData\Local\Temp\2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\MIJUR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - 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:3068
- - 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:2808
  - - 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:772
  - - 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:876

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MIJUR.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7bd4b0acc21dddabee61e1e4fcdc05b2

SHA1
4ca02b0796b9c0f9b0bddd48c44f83a1103be22f

SHA256
3aa192336a9c71e45229014ae29c9d306c4da863f6a73d3913520d42e70da00d

SHA512
411a557f4bd893fc3eaeeb1c1fe0ce85309373b6bdd8570be8abc6de7e0d9b77f613e739b5b8f4be0448fa2115eab7a97af0ef7b3fccf2cd0111e97366f1d408

Download Submit
memory/772-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/876-265-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/876-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2120-155-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-146-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-89-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2120-247-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-222-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-224-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-225-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-150-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2120-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2120-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2120-147-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2120-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2120-148-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-149-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2120-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2120-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2120-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2120-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2808-179-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2808-158-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2808-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2808-168-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2808-226-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2972-95-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-105-0x00000000004A0000-0x00000000004F3000-memory.dmp

Filesize
332KB

Download
memory/2972-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2972-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2972-61-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2972-99-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2972-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2972-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2972-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2972-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads