modiloader | d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccf

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 22:53

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General

Target

d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe
Size

90KB
MD5

ca6065353cdfd4b4d2608682d1248990
SHA1

9e14f329431016b2879cdf6562bd576066a53680
SHA256

d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccf
SHA512

4c05d12bafd823b4cdcea5becb135569463263bf4185a9c937f066a7252f88491592e313a5227c895c3709a5e72bbb459d66bdf849715f24a4afa54e53d436df
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDb: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/3680-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3680-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3680-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3680-63-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe

Executes dropped EXE 3 IoCs

pid	Process
3528	csrsll.exe
1444	csrsll.exe
3680	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-1-5-21-4050598569-1597076380-177084960-1000\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 4272 set thread context of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 3528 set thread context of 1444	3528	csrsll.exe	93
PID 3528 set thread context of 3680	3528	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4272-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4272-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4664-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4664-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4272-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4664-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c9f-30.dat	upx
behavioral2/memory/4664-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3528-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3528-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3680-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3680-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3680-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3680-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3680-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3528-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4664-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1444-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3680-63-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe
Token: SeDebugPrivilege	1444	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe
4664	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe
3528	csrsll.exe
1444	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 4272 wrote to memory of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 4272 wrote to memory of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 4272 wrote to memory of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 4272 wrote to memory of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 4272 wrote to memory of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 4272 wrote to memory of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 4272 wrote to memory of 4664	4272	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	82
PID 4664 wrote to memory of 396	4664	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	83
PID 4664 wrote to memory of 396	4664	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	83
PID 4664 wrote to memory of 396	4664	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	83
PID 396 wrote to memory of 224	396	cmd.exe	86
PID 396 wrote to memory of 224	396	cmd.exe	86
PID 396 wrote to memory of 224	396	cmd.exe	86
PID 4664 wrote to memory of 3528	4664	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	87
PID 4664 wrote to memory of 3528	4664	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	87
PID 4664 wrote to memory of 3528	4664	d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe	87
PID 3528 wrote to memory of 1444	3528	csrsll.exe	93
PID 3528 wrote to memory of 1444	3528	csrsll.exe	93
PID 3528 wrote to memory of 1444	3528	csrsll.exe	93
PID 3528 wrote to memory of 1444	3528	csrsll.exe	93
PID 3528 wrote to memory of 1444	3528	csrsll.exe	93
PID 3528 wrote to memory of 1444	3528	csrsll.exe	93
PID 3528 wrote to memory of 1444	3528	csrsll.exe	93
PID 3528 wrote to memory of 1444	3528	csrsll.exe	93
PID 3528 wrote to memory of 3680	3528	csrsll.exe	94
PID 3528 wrote to memory of 3680	3528	csrsll.exe	94
PID 3528 wrote to memory of 3680	3528	csrsll.exe	94
PID 3528 wrote to memory of 3680	3528	csrsll.exe	94
PID 3528 wrote to memory of 3680	3528	csrsll.exe	94
PID 3528 wrote to memory of 3680	3528	csrsll.exe	94
PID 3528 wrote to memory of 3680	3528	csrsll.exe	94
PID 3528 wrote to memory of 3680	3528	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe
"C:\Users\Admin\AppData\Local\Temp\d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Local\Temp\d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe
  "C:\Users\Admin\AppData\Local\Temp\d260b35316072743f4c5ae8c215fbf9095aaa5dbf6db3f6ec830c77ceb067ccfN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UHLHF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:396
  - - 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:224
- - 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:3528
  - - 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:1444
  - - 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:3680

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\UHLHF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7af3be6d14f32f07f41098655d2aaa43

SHA1
d9315e60564a75b1c16d421fb3a9e0d2d3d481c3

SHA256
0cc0d2a4da1cd4fbe0001f9b774076f984aed4a444821a5a981bb39e2c4e9fa0

SHA512
44fa5035c5fed65420b307d73590ddac91b11c5d6e1b58a01ad0ed1831cea8e1bb9afce4867327c01c8f809cab71b6340e0a8f118262cd361e3664a1193b5c2e

Download Submit
memory/1444-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3528-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3528-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3528-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3680-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3680-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3680-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3680-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3680-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3680-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4272-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/4272-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4272-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/4272-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4272-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4272-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4664-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4664-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4664-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4664-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4664-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4664-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads