modiloader | 2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5

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
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 4 IoCs

resource	yara_rule
behavioral2/memory/2964-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2964-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2964-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2964-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe

Executes dropped EXE 3 IoCs

pid	Process
1220	csrsll.exe
2972	csrsll.exe
2964	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-1-5-21-3350944739-639801879-157714471-1000\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 4616 set thread context of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 1220 set thread context of 2972	1220	csrsll.exe	102
PID 1220 set thread context of 2964	1220	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4616-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4616-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1996-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1996-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1996-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4616-16-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b78-30.dat	upx
behavioral2/memory/1996-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1220-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1220-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2964-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2964-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2964-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2964-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2964-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1220-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1996-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2972-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2964-62-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe
Token: SeDebugPrivilege	2972	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
1996	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
1220	csrsll.exe
2972	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 4616 wrote to memory of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 4616 wrote to memory of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 4616 wrote to memory of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 4616 wrote to memory of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 4616 wrote to memory of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 4616 wrote to memory of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 4616 wrote to memory of 1996	4616	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	89
PID 1996 wrote to memory of 3452	1996	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	90
PID 1996 wrote to memory of 3452	1996	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	90
PID 1996 wrote to memory of 3452	1996	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	90
PID 3452 wrote to memory of 2068	3452	cmd.exe	94
PID 3452 wrote to memory of 2068	3452	cmd.exe	94
PID 3452 wrote to memory of 2068	3452	cmd.exe	94
PID 1996 wrote to memory of 1220	1996	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	95
PID 1996 wrote to memory of 1220	1996	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	95
PID 1996 wrote to memory of 1220	1996	2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe	95
PID 1220 wrote to memory of 2972	1220	csrsll.exe	102
PID 1220 wrote to memory of 2972	1220	csrsll.exe	102
PID 1220 wrote to memory of 2972	1220	csrsll.exe	102
PID 1220 wrote to memory of 2972	1220	csrsll.exe	102
PID 1220 wrote to memory of 2972	1220	csrsll.exe	102
PID 1220 wrote to memory of 2972	1220	csrsll.exe	102
PID 1220 wrote to memory of 2972	1220	csrsll.exe	102
PID 1220 wrote to memory of 2972	1220	csrsll.exe	102
PID 1220 wrote to memory of 2964	1220	csrsll.exe	103
PID 1220 wrote to memory of 2964	1220	csrsll.exe	103
PID 1220 wrote to memory of 2964	1220	csrsll.exe	103
PID 1220 wrote to memory of 2964	1220	csrsll.exe	103
PID 1220 wrote to memory of 2964	1220	csrsll.exe	103
PID 1220 wrote to memory of 2964	1220	csrsll.exe	103
PID 1220 wrote to memory of 2964	1220	csrsll.exe	103
PID 1220 wrote to memory of 2964	1220	csrsll.exe	103

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:4616
- C:\Users\Admin\AppData\Local\Temp\2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe
  "C:\Users\Admin\AppData\Local\Temp\2da681915eda013598802c0c5732ebdb9eb6897b751e56e104b30e78effb90e5N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OMQLT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3452
  - - 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:2068
- - 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:1220
  - - 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:2972
  - - 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:2964

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
5165b0c71d27217f9409e9a6898f6de1

SHA1
ed0e05a44aa184040990b18c3080f8a8de80810f

SHA256
75e1236b120206aca9e7dbaf8243f46a3f86b1206c79b855b673601e382fcc54

SHA512
bdab2f8e3f036f7bd0b2d4d0f0a9fbec2ec33c88f1a58cb29221e9ee0d8063b67c58e726cb5a9569faf94cc7d96782ac59f6ebee0a7aa67b094329d37bd3ed48

Download Submit
memory/1220-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1220-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1220-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1996-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1996-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1996-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1996-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1996-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2964-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4616-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4616-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4616-7-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/4616-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/4616-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4616-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4616-16-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads