modiloader | d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813

Analysis

max time kernel
119s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 02:35

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General

Target

d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
Size

90KB
MD5

ee3e75ad87bf971ed652d24a313b0790
SHA1

0e123ab45314a56d690bb646ec7a2435557e5d86
SHA256

d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813
SHA512

4084dbbfa8156fda4f255d8f491b6f4ec349197ac990111b6be04367072f552f2facfdd0f429c56ccbca98fac2f4985bc79f03711a7df4d2455da99e2e3b39cd
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3F

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/4040-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4040-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4040-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4040-61-0x0000000000400000-0x0000000000414000-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	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe

Executes dropped EXE 3 IoCs

pid	Process
3864	csrsll.exe
3340	csrsll.exe
4040	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 4076 set thread context of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 3864 set thread context of 3340	3864	csrsll.exe	97
PID 3864 set thread context of 4040	3864	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4076-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4076-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2436-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4076-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2436-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c8f-29.dat	upx
behavioral2/memory/2436-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3864-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3864-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4040-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4040-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3864-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4040-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4040-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4040-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3340-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4040-61-0x0000000000400000-0x0000000000414000-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	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.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	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe
Token: SeDebugPrivilege	3340	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
2436	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
3864	csrsll.exe
3340	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 4076 wrote to memory of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 4076 wrote to memory of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 4076 wrote to memory of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 4076 wrote to memory of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 4076 wrote to memory of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 4076 wrote to memory of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 4076 wrote to memory of 2436	4076	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	83
PID 2436 wrote to memory of 696	2436	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	84
PID 2436 wrote to memory of 696	2436	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	84
PID 2436 wrote to memory of 696	2436	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	84
PID 696 wrote to memory of 4796	696	cmd.exe	88
PID 696 wrote to memory of 4796	696	cmd.exe	88
PID 696 wrote to memory of 4796	696	cmd.exe	88
PID 2436 wrote to memory of 3864	2436	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	89
PID 2436 wrote to memory of 3864	2436	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	89
PID 2436 wrote to memory of 3864	2436	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	89
PID 3864 wrote to memory of 3340	3864	csrsll.exe	97
PID 3864 wrote to memory of 3340	3864	csrsll.exe	97
PID 3864 wrote to memory of 3340	3864	csrsll.exe	97
PID 3864 wrote to memory of 3340	3864	csrsll.exe	97
PID 3864 wrote to memory of 3340	3864	csrsll.exe	97
PID 3864 wrote to memory of 3340	3864	csrsll.exe	97
PID 3864 wrote to memory of 3340	3864	csrsll.exe	97
PID 3864 wrote to memory of 3340	3864	csrsll.exe	97
PID 3864 wrote to memory of 4040	3864	csrsll.exe	98
PID 3864 wrote to memory of 4040	3864	csrsll.exe	98
PID 3864 wrote to memory of 4040	3864	csrsll.exe	98
PID 3864 wrote to memory of 4040	3864	csrsll.exe	98
PID 3864 wrote to memory of 4040	3864	csrsll.exe	98
PID 3864 wrote to memory of 4040	3864	csrsll.exe	98
PID 3864 wrote to memory of 4040	3864	csrsll.exe	98
PID 3864 wrote to memory of 4040	3864	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
"C:\Users\Admin\AppData\Local\Temp\d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Users\Admin\AppData\Local\Temp\d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
  "C:\Users\Admin\AppData\Local\Temp\d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HFQOM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:696
  - - 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:4796
- - 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:3864
  - - 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:3340
  - - 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:4040

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3aab62b718d1ae3ac547c3df7ce8f9ee

SHA1
8adf445d07d94eb1468cc1d4ab713316352f7a2b

SHA256
a3c4fa009141d3bdc1099567e55110bdf99e291b6d55e2c1b34004179326154a

SHA512
4c6f4d56a311b61c31277332b482accf86bcba658cae94bea008d332cf606db289bcdabc7cbfb6155212b639548c33d930a0be96ad930966468a4fd190ee85dc

Download Submit
memory/2436-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2436-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2436-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2436-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2436-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3340-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3864-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3864-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4040-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4040-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4076-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4076-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4076-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4076-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4076-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4076-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads