modiloader | ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8

Analysis

max time kernel
119s
max time network
120s
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 12:01

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General

Target

ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe
Size

90KB
MD5

980557cf476d3bbc0d9bfffcdcf73380
SHA1

b9e894310881afdb931c8de1d771a59e1b83ea0e
SHA256

ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8
SHA512

0f7eaff139fc2088fd77b85e15ac0f7e57aa986bbf359547b1ed47423c5bdfa7a524f07cd17e42a0f8c53158ef58950c0abc179336937a2ef7090b7afc55d942
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/1648-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1648-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1648-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1648-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe

Executes dropped EXE 3 IoCs

pid	Process
3224	csrsll.exe
1648	csrsll.exe
3748	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 1968 set thread context of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 3224 set thread context of 3748	3224	csrsll.exe	95
PID 3224 set thread context of 1648	3224	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1968-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1968-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3880-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3880-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1968-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3880-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023bb0-29.dat	upx
behavioral2/memory/3224-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3880-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3224-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3224-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1648-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3224-53-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1648-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1648-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1648-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3880-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1648-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1648-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3748-63-0x0000000000400000-0x000000000040B000-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	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe
Token: SeDebugPrivilege	3748	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe
3880	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe
3224	csrsll.exe
3748	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 1968 wrote to memory of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 1968 wrote to memory of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 1968 wrote to memory of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 1968 wrote to memory of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 1968 wrote to memory of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 1968 wrote to memory of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 1968 wrote to memory of 3880	1968	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	82
PID 3880 wrote to memory of 2712	3880	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	83
PID 3880 wrote to memory of 2712	3880	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	83
PID 3880 wrote to memory of 2712	3880	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	83
PID 2712 wrote to memory of 4688	2712	cmd.exe	88
PID 2712 wrote to memory of 4688	2712	cmd.exe	88
PID 2712 wrote to memory of 4688	2712	cmd.exe	88
PID 3880 wrote to memory of 3224	3880	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	89
PID 3880 wrote to memory of 3224	3880	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	89
PID 3880 wrote to memory of 3224	3880	ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe	89
PID 3224 wrote to memory of 3748	3224	csrsll.exe	95
PID 3224 wrote to memory of 3748	3224	csrsll.exe	95
PID 3224 wrote to memory of 3748	3224	csrsll.exe	95
PID 3224 wrote to memory of 3748	3224	csrsll.exe	95
PID 3224 wrote to memory of 3748	3224	csrsll.exe	95
PID 3224 wrote to memory of 3748	3224	csrsll.exe	95
PID 3224 wrote to memory of 3748	3224	csrsll.exe	95
PID 3224 wrote to memory of 3748	3224	csrsll.exe	95
PID 3224 wrote to memory of 1648	3224	csrsll.exe	96
PID 3224 wrote to memory of 1648	3224	csrsll.exe	96
PID 3224 wrote to memory of 1648	3224	csrsll.exe	96
PID 3224 wrote to memory of 1648	3224	csrsll.exe	96
PID 3224 wrote to memory of 1648	3224	csrsll.exe	96
PID 3224 wrote to memory of 1648	3224	csrsll.exe	96
PID 3224 wrote to memory of 1648	3224	csrsll.exe	96
PID 3224 wrote to memory of 1648	3224	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe
"C:\Users\Admin\AppData\Local\Temp\ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe
  "C:\Users\Admin\AppData\Local\Temp\ece15fed61b059ea8996032ada8da0aeb20ebb20e6a9b8124f77a5b1131afcc8N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OCGBQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2712
  - - 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:4688
- - 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:3224
  - - 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:3748
  - - 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:1648

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\OCGBQ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2c593375659c637efe096def6157db57

SHA1
1a98b0c79592ff1c2c389c83c3ae57298339ac94

SHA256
5edae1344b77919a4059908ec8e7bacecaa1b07be5524e38093843ad2a31ec8d

SHA512
9d6d3c3624ed1be94e93bffe5ab78b198186e42fccb9b00616f2c7dc86120ccf1bc00f996c34b9ee00b1c0dd4ac690eb6a1aed01da3a043d5aeef1517c6f881b

Download Submit
memory/1648-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1648-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1648-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1648-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1648-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1648-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1968-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1968-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/1968-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/1968-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1968-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1968-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/3224-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-53-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3748-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3880-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3880-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3880-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3880-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3880-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3880-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads