modiloader | 25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32

Analysis

max time kernel
119s
max time network
119s
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 11:44

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General

Target

25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
Size

300KB
MD5

ee441f556d504f00569a75539b3bf067
SHA1

41f4e053093b3479454c25b70acfed0241039918
SHA256

25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32
SHA512

b3bafa183c0dbac581102271a438bfe32142e1b0dac3f2201877b888f9736761dd37573fe52284d98c76b8fc18857e9d25911ec09e297241faff384377969f8f
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38G8:UsxD5cwohO+O1sVG0/pZ6iPC8m

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/3944-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3944-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3944-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3944-59-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe

Executes dropped EXE 3 IoCs

pid	Process
1428	csrsll.exe
1804	csrsll.exe
3944	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-1-5-21-3442511616-637977696-3186306149-1000\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 4684 set thread context of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 1428 set thread context of 1804	1428	csrsll.exe	95
PID 1428 set thread context of 3944	1428	csrsll.exe	96

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2076-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2076-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2076-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2076-37-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3944-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3944-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2076-53-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3944-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3944-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3944-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1804-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3944-59-0x0000000000400000-0x0000000000414000-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	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.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	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe
Token: SeDebugPrivilege	1804	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
2076	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
1428	csrsll.exe
1804	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 4684 wrote to memory of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 4684 wrote to memory of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 4684 wrote to memory of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 4684 wrote to memory of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 4684 wrote to memory of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 4684 wrote to memory of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 4684 wrote to memory of 2076	4684	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	86
PID 2076 wrote to memory of 5028	2076	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	87
PID 2076 wrote to memory of 5028	2076	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	87
PID 2076 wrote to memory of 5028	2076	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	87
PID 5028 wrote to memory of 768	5028	cmd.exe	90
PID 5028 wrote to memory of 768	5028	cmd.exe	90
PID 5028 wrote to memory of 768	5028	cmd.exe	90
PID 2076 wrote to memory of 1428	2076	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	92
PID 2076 wrote to memory of 1428	2076	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	92
PID 2076 wrote to memory of 1428	2076	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	92
PID 1428 wrote to memory of 1804	1428	csrsll.exe	95
PID 1428 wrote to memory of 1804	1428	csrsll.exe	95
PID 1428 wrote to memory of 1804	1428	csrsll.exe	95
PID 1428 wrote to memory of 1804	1428	csrsll.exe	95
PID 1428 wrote to memory of 1804	1428	csrsll.exe	95
PID 1428 wrote to memory of 1804	1428	csrsll.exe	95
PID 1428 wrote to memory of 1804	1428	csrsll.exe	95
PID 1428 wrote to memory of 1804	1428	csrsll.exe	95
PID 1428 wrote to memory of 3944	1428	csrsll.exe	96
PID 1428 wrote to memory of 3944	1428	csrsll.exe	96
PID 1428 wrote to memory of 3944	1428	csrsll.exe	96
PID 1428 wrote to memory of 3944	1428	csrsll.exe	96
PID 1428 wrote to memory of 3944	1428	csrsll.exe	96
PID 1428 wrote to memory of 3944	1428	csrsll.exe	96
PID 1428 wrote to memory of 3944	1428	csrsll.exe	96
PID 1428 wrote to memory of 3944	1428	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
"C:\Users\Admin\AppData\Local\Temp\25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Users\Admin\AppData\Local\Temp\25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
  "C:\Users\Admin\AppData\Local\Temp\25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LHGUB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5028
  - - 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:768
- - 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:1428
  - - 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:1804
  - - 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:3944

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\LHGUB.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
9036c984f41162091e02fa2bc2e520f9

SHA1
9f388a03f2cb10478549267d3c31d5b68c262e98

SHA256
04eb124618182095496c4735e53e6b5ce87b6d9ffb78500b4417a5e4cba7e2cd

SHA512
01ab9955eb984e510578e91057b9956450a7b0c353cc403417587d98a60e37d0739564e7a8404cae7623b94b20d18f2fc024ac993fe1cb880fb0a6e0f0cbdc4f

Download Submit
memory/1428-50-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1428-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1428-38-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1804-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2076-37-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2076-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2076-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2076-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2076-53-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3944-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3944-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3944-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3944-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3944-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3944-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4684-4-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4684-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4684-3-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4684-5-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads