modiloader | ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c

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
03-01-2025 04:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe
Size

90KB
MD5

9860382ffe3311dd9ff321271a460cd4
SHA1

3d968a3c15f787c220132b4481ec727847acae7c
SHA256

ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c
SHA512

19ee873c2bfb305c054d6dd707f962c96426bc119896cb679a575a17a5668366f9c83c160d8ee75b455ef015e02b36b9e69001c3e3e46ae23fc2bf5dea377dfa
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3X

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/4348-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4348-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4348-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4348-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe

Executes dropped EXE 3 IoCs

pid	Process
3628	csrsll.exe
4140	csrsll.exe
4348	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-1-5-21-2878641211-696417878-3864914810-1000\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 4868 set thread context of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 3628 set thread context of 4140	3628	csrsll.exe	103
PID 3628 set thread context of 4348	3628	csrsll.exe	104

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4868-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4868-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3100-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4868-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3100-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3100-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b65-28.dat	upx
behavioral2/memory/3100-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3628-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3628-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4348-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4348-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4348-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4348-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4348-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3100-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3628-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4140-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4348-61-0x0000000000400000-0x0000000000414000-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	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	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe
Token: SeDebugPrivilege	4140	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe
3100	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe
3628	csrsll.exe
4140	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 4868 wrote to memory of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 4868 wrote to memory of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 4868 wrote to memory of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 4868 wrote to memory of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 4868 wrote to memory of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 4868 wrote to memory of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 4868 wrote to memory of 3100	4868	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	90
PID 3100 wrote to memory of 2312	3100	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	91
PID 3100 wrote to memory of 2312	3100	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	91
PID 3100 wrote to memory of 2312	3100	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	91
PID 2312 wrote to memory of 1504	2312	cmd.exe	95
PID 2312 wrote to memory of 1504	2312	cmd.exe	95
PID 2312 wrote to memory of 1504	2312	cmd.exe	95
PID 3100 wrote to memory of 3628	3100	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	97
PID 3100 wrote to memory of 3628	3100	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	97
PID 3100 wrote to memory of 3628	3100	ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe	97
PID 3628 wrote to memory of 4140	3628	csrsll.exe	103
PID 3628 wrote to memory of 4140	3628	csrsll.exe	103
PID 3628 wrote to memory of 4140	3628	csrsll.exe	103
PID 3628 wrote to memory of 4140	3628	csrsll.exe	103
PID 3628 wrote to memory of 4140	3628	csrsll.exe	103
PID 3628 wrote to memory of 4140	3628	csrsll.exe	103
PID 3628 wrote to memory of 4140	3628	csrsll.exe	103
PID 3628 wrote to memory of 4140	3628	csrsll.exe	103
PID 3628 wrote to memory of 4348	3628	csrsll.exe	104
PID 3628 wrote to memory of 4348	3628	csrsll.exe	104
PID 3628 wrote to memory of 4348	3628	csrsll.exe	104
PID 3628 wrote to memory of 4348	3628	csrsll.exe	104
PID 3628 wrote to memory of 4348	3628	csrsll.exe	104
PID 3628 wrote to memory of 4348	3628	csrsll.exe	104
PID 3628 wrote to memory of 4348	3628	csrsll.exe	104
PID 3628 wrote to memory of 4348	3628	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe
"C:\Users\Admin\AppData\Local\Temp\ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Users\Admin\AppData\Local\Temp\ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe
  "C:\Users\Admin\AppData\Local\Temp\ec368fa1461b6b458bbb4c1c8be864b78783aa91ac180dddb95237cfceafe54c.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YMYJI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2312
  - - 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:1504
- - 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:3628
  - - 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:4140
  - - 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:4348

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

Loading Replay Monitor...

Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
73940cbb7b86d78f6a56ba699022644b

SHA1
e12e7a84ff89e2516c7a08726116615f7435ff58

SHA256
6ab7c945d3eadf8af1499d485425bcf1fa9149a67f57694ca3555eb7b33b5ea5

SHA512
c4a057dd0787a6c213c1ee656af3da2e00bdcdfd0046a00995ce315b125ef5ef1ee69635aef5cca18dca0edd643eb5dac0ec885d5f20b23d42b894a7c97e46e1

Download Submit
memory/3100-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3100-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3100-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3100-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3100-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3100-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3628-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3628-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3628-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4140-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4348-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4348-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4348-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4348-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4348-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4348-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4868-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4868-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4868-5-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/4868-6-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/4868-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4868-3-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads