modiloader | fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0d

Analysis

max time kernel
120s
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
17-01-2025 08:10

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General

Target

fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe
Size

90KB
MD5

e929cc26fb8a3fe7c1fd54375d51bb80
SHA1

98af0fb9c1c18a46fa1805cbe8317cc9df74b361
SHA256

fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0d
SHA512

33b3177b0170f2646190cbf7cbcdb58bce5e26fbac36c527a0a993fc3523aeb073cc4c2b595f8b78babe0feedbf5026c30453d2d02f08deb5134724fc059b260
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDH: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/1596-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1596-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1596-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1596-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe

Executes dropped EXE 3 IoCs

pid	Process
2280	csrsll.exe
404	csrsll.exe
1596	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 4664 set thread context of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 2280 set thread context of 404	2280	csrsll.exe	93
PID 2280 set thread context of 1596	2280	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4664-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4664-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1256-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1256-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1256-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4664-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023caf-30.dat	upx
behavioral2/memory/1256-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2280-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2280-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1596-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1596-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1596-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1596-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1596-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2280-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1256-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/404-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1596-63-0x0000000000400000-0x0000000000414000-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	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	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe
1256	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe
2280	csrsll.exe
404	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 4664 wrote to memory of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 4664 wrote to memory of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 4664 wrote to memory of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 4664 wrote to memory of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 4664 wrote to memory of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 4664 wrote to memory of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 4664 wrote to memory of 1256	4664	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	82
PID 1256 wrote to memory of 3864	1256	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	83
PID 1256 wrote to memory of 3864	1256	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	83
PID 1256 wrote to memory of 3864	1256	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	83
PID 3864 wrote to memory of 1892	3864	cmd.exe	86
PID 3864 wrote to memory of 1892	3864	cmd.exe	86
PID 3864 wrote to memory of 1892	3864	cmd.exe	86
PID 1256 wrote to memory of 2280	1256	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	87
PID 1256 wrote to memory of 2280	1256	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	87
PID 1256 wrote to memory of 2280	1256	fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe	87
PID 2280 wrote to memory of 404	2280	csrsll.exe	93
PID 2280 wrote to memory of 404	2280	csrsll.exe	93
PID 2280 wrote to memory of 404	2280	csrsll.exe	93
PID 2280 wrote to memory of 404	2280	csrsll.exe	93
PID 2280 wrote to memory of 404	2280	csrsll.exe	93
PID 2280 wrote to memory of 404	2280	csrsll.exe	93
PID 2280 wrote to memory of 404	2280	csrsll.exe	93
PID 2280 wrote to memory of 404	2280	csrsll.exe	93
PID 2280 wrote to memory of 1596	2280	csrsll.exe	94
PID 2280 wrote to memory of 1596	2280	csrsll.exe	94
PID 2280 wrote to memory of 1596	2280	csrsll.exe	94
PID 2280 wrote to memory of 1596	2280	csrsll.exe	94
PID 2280 wrote to memory of 1596	2280	csrsll.exe	94
PID 2280 wrote to memory of 1596	2280	csrsll.exe	94
PID 2280 wrote to memory of 1596	2280	csrsll.exe	94
PID 2280 wrote to memory of 1596	2280	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe
"C:\Users\Admin\AppData\Local\Temp\fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Users\Admin\AppData\Local\Temp\fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe
  "C:\Users\Admin\AppData\Local\Temp\fceed09d0249a6ee4eb21f5a79ac587b5f58624061e1cdd641ad3977485e3c0dN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WUTXK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3864
  - - 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:1892
- - 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:2280
  - - 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:404
  - - 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:1596

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\WUTXK.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4ed4dfe795754630f14cb58605322fa9

SHA1
dbd1e53f5522fc3b2695c357d6e6f646193df574

SHA256
86ea128e0c0c5f9ade33111d3e32679975485a3d9de76035db7fb7073612e12e

SHA512
c239cfbe5245285483486890aedc82fc849c2d0b45b206c8261371100d32949c9d8f6bf7daf29c03cb943d34dbbf5d35190812ee7242a67e79d4cd6d751c1de1

Download Submit
memory/404-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1256-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1256-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1256-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1256-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1256-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1256-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1596-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2280-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2280-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2280-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4664-7-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/4664-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4664-4-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4664-6-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/4664-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4664-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4664-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads