modiloader | 16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 20:33

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General

Target

16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
Size

90KB
MD5

eb4e7fdc85f7ee17e02fa517b3f5b6db
SHA1

a1adb8049b2c53320a4e8ee99405a736e35373cd
SHA256

16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631
SHA512

2b808d7eef3a98266dce04ed3c7650b7ee581195ad9cd1808b1fcc26d2ea1268bf5ddf31e2d22604e23c629eb7a6affe140a843c87e22d74c48bee9c12bb25f0
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Q

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/2300-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2300-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2300-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2300-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe

Executes dropped EXE 3 IoCs

pid	Process
2860	csrsll.exe
4920	csrsll.exe
2300	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-1-5-21-2045521122-590294423-3465680274-1000\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 1716 set thread context of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 2860 set thread context of 4920	2860	csrsll.exe	101
PID 2860 set thread context of 2300	2860	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1716-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1716-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4376-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4376-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4376-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1716-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cad-29.dat	upx
behavioral2/memory/4376-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2860-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2860-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2300-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2300-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2300-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2300-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2300-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2860-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4376-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4920-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2300-62-0x0000000000400000-0x0000000000414000-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	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	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
4376	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
2860	csrsll.exe
4920	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 1716 wrote to memory of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 1716 wrote to memory of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 1716 wrote to memory of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 1716 wrote to memory of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 1716 wrote to memory of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 1716 wrote to memory of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 1716 wrote to memory of 4376	1716	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	89
PID 4376 wrote to memory of 1536	4376	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	92
PID 4376 wrote to memory of 1536	4376	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	92
PID 4376 wrote to memory of 1536	4376	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	92
PID 1536 wrote to memory of 1848	1536	cmd.exe	96
PID 1536 wrote to memory of 1848	1536	cmd.exe	96
PID 1536 wrote to memory of 1848	1536	cmd.exe	96
PID 4376 wrote to memory of 2860	4376	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	97
PID 4376 wrote to memory of 2860	4376	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	97
PID 4376 wrote to memory of 2860	4376	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	97
PID 2860 wrote to memory of 4920	2860	csrsll.exe	101
PID 2860 wrote to memory of 4920	2860	csrsll.exe	101
PID 2860 wrote to memory of 4920	2860	csrsll.exe	101
PID 2860 wrote to memory of 4920	2860	csrsll.exe	101
PID 2860 wrote to memory of 4920	2860	csrsll.exe	101
PID 2860 wrote to memory of 4920	2860	csrsll.exe	101
PID 2860 wrote to memory of 4920	2860	csrsll.exe	101
PID 2860 wrote to memory of 4920	2860	csrsll.exe	101
PID 2860 wrote to memory of 2300	2860	csrsll.exe	102
PID 2860 wrote to memory of 2300	2860	csrsll.exe	102
PID 2860 wrote to memory of 2300	2860	csrsll.exe	102
PID 2860 wrote to memory of 2300	2860	csrsll.exe	102
PID 2860 wrote to memory of 2300	2860	csrsll.exe	102
PID 2860 wrote to memory of 2300	2860	csrsll.exe	102
PID 2860 wrote to memory of 2300	2860	csrsll.exe	102
PID 2860 wrote to memory of 2300	2860	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
"C:\Users\Admin\AppData\Local\Temp\16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
  "C:\Users\Admin\AppData\Local\Temp\16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4376
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LQVCD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1536
  - - 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:1848
- - 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:2860
  - - 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:4920
  - - 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:2300

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\LQVCD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
33c516e118af31e12dcbafa3e94b60a8

SHA1
f566ec93b4e905163661b1a052d665c1ee7b872d

SHA256
2182499eb23b7e31be18bf69fd3b26b97bef323461b40617133938458bea11df

SHA512
a6ff09aba9fa8da9c2d4821f8fe9f209173c5fd66fb0dc510cbbd6b3533ece0f45a7ac157873d20c8e9c07f90a10a52aac3a9be842060675bbc622f9922b8c10

Download Submit
memory/1716-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/1716-5-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/1716-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/1716-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2300-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2300-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2300-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2300-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2300-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2300-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2860-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2860-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2860-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4376-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4376-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4376-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4376-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4376-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4376-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4920-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads