modiloader | d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2025, 00:34

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General

Target

d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe
Size

90KB
MD5

8100e95847e307c8214b5bf8ca01f890
SHA1

dbbd2d227fadb46ad7391c3fc335db8de56d628e
SHA256

d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3
SHA512

65b2438c6962a66d6936b1624298bcb8a82e504a550e8bf4abec9b29cdbb69799d6d1c057d13d72d96a40ec8d58bcc90ba4340d9efb9d2611294558751d1ebda
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD5:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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/1080-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1080-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1080-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1080-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe

Executes dropped EXE 3 IoCs

pid	Process
2200	csrsll.exe
3660	csrsll.exe
1080	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-1-5-21-3756129449-3121373848-4276368241-1000\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 4712 set thread context of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 2200 set thread context of 3660	2200	csrsll.exe	95
PID 2200 set thread context of 1080	2200	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4712-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4712-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4468-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4468-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4468-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4712-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c97-29.dat	upx
behavioral2/memory/4468-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2200-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2200-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1080-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1080-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1080-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1080-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2200-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1080-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4468-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3660-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1080-62-0x0000000000400000-0x0000000000414000-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	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.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 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe
Token: SeDebugPrivilege	3660	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe
4468	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe
2200	csrsll.exe
3660	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 4712 wrote to memory of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 4712 wrote to memory of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 4712 wrote to memory of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 4712 wrote to memory of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 4712 wrote to memory of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 4712 wrote to memory of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 4712 wrote to memory of 4468	4712	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	84
PID 4468 wrote to memory of 4724	4468	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	85
PID 4468 wrote to memory of 4724	4468	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	85
PID 4468 wrote to memory of 4724	4468	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	85
PID 4724 wrote to memory of 220	4724	cmd.exe	88
PID 4724 wrote to memory of 220	4724	cmd.exe	88
PID 4724 wrote to memory of 220	4724	cmd.exe	88
PID 4468 wrote to memory of 2200	4468	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	89
PID 4468 wrote to memory of 2200	4468	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	89
PID 4468 wrote to memory of 2200	4468	d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe	89
PID 2200 wrote to memory of 3660	2200	csrsll.exe	95
PID 2200 wrote to memory of 3660	2200	csrsll.exe	95
PID 2200 wrote to memory of 3660	2200	csrsll.exe	95
PID 2200 wrote to memory of 3660	2200	csrsll.exe	95
PID 2200 wrote to memory of 3660	2200	csrsll.exe	95
PID 2200 wrote to memory of 3660	2200	csrsll.exe	95
PID 2200 wrote to memory of 3660	2200	csrsll.exe	95
PID 2200 wrote to memory of 3660	2200	csrsll.exe	95
PID 2200 wrote to memory of 1080	2200	csrsll.exe	96
PID 2200 wrote to memory of 1080	2200	csrsll.exe	96
PID 2200 wrote to memory of 1080	2200	csrsll.exe	96
PID 2200 wrote to memory of 1080	2200	csrsll.exe	96
PID 2200 wrote to memory of 1080	2200	csrsll.exe	96
PID 2200 wrote to memory of 1080	2200	csrsll.exe	96
PID 2200 wrote to memory of 1080	2200	csrsll.exe	96
PID 2200 wrote to memory of 1080	2200	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe
"C:\Users\Admin\AppData\Local\Temp\d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Users\Admin\AppData\Local\Temp\d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe
  "C:\Users\Admin\AppData\Local\Temp\d9e02c6352c9d04a2f9d52155b38896137163b525dbb4e474f71683eabdbb1c3N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4468
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UWIMR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4724
  - - 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:220
- - 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:2200
  - - 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:3660
  - - 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:1080

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\UWIMR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f6110ddb103099839ac182c55b0cca70

SHA1
bd55e6a13e433e4b9cf4de9002cfadb664bb7338

SHA256
40fa9a6ce8d15bcbfce4f3b0b563ee6bf59a1b8963664e4d32d4a7ea10b446c9

SHA512
891f15341c0dd2feaf889cfadc94b22f0daa4566f6a0b439d3b0e3ec091737095259424d0ccc0fe489bfa013edaae03abb5b1e31c7541d0a6f7f7a35526d19bb

Download Submit
memory/1080-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1080-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1080-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1080-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1080-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1080-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2200-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2200-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2200-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3660-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4712-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4712-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4712-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4712-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4712-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4712-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads